X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e115e77131d5a7a68d0cfb2fb41fcb98deefdd29..2b9a7d4cc2f5f55df3d83f7cf2160cf9a509a4f2:/src/common/db.cpp?ds=sidebyside diff --git a/src/common/db.cpp b/src/common/db.cpp index b5a4ae5a4d..ee2a47b16a 100644 --- a/src/common/db.cpp +++ b/src/common/db.cpp @@ -1,74 +1,53 @@ /////////////////////////////////////////////////////////////////////////////// // Name: db.cpp -// Purpose: Implementation of the wxDB class. The wxDB class represents a connection -// to an ODBC data source. The wxDB class allows operations on the data +// Purpose: Implementation of the wxDb class. The wxDb class represents a connection +// to an ODBC data source. The wxDb class allows operations on the data // source such as opening and closing the data source. // Author: Doug Card -// Modified by: -// Mods: Dec, 1998: +// Modified by: George Tasker +// Bart Jourquin +// Mark Johnson, wxWindows@mj10777.de +// Mods: Dec, 1998: // -Added support for SQL statement logging and database cataloging // Mods: April, 1999 -// -Added QUERY_ONLY mode support to reduce default number of cursors -// -Added additional SQL logging code +// -Added QUERY_ONLY mode support to reduce default number of cursors +// -Added additional SQL logging code // -Added DEBUG-ONLY tracking of wxTable objects to detect orphaned DB connections -// -Set ODBC option to only read committed writes to the DB so all +// -Set ODBC option to only read committed writes to the DB so all // databases operate the same in that respect // Created: 9.96 // RCS-ID: $Id$ // Copyright: (c) 1996 Remstar International, Inc. -// Licence: wxWindows licence, plus: -// Notice: This class library and its intellectual design are free of charge for use, -// modification, enhancement, debugging under the following conditions: -// 1) These classes may only be used as part of the implementation of a -// wxWindows-based application -// 2) All enhancements and bug fixes are to be submitted back to the wxWindows -// user groups free of all charges for use with the wxWindows library. -// 3) These classes may not be distributed as part of any other class library, -// DLL, text (written or electronic), other than a complete distribution of -// the wxWindows GUI development toolkit. +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// /* // SYNOPSIS START // SYNOPSIS STOP */ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) + #pragma implementation "db.h" +#endif -// Use this line for wxWindows v1.x -//#include "wx_ver.h" -// Use this line for wxWindows v2.x -#include "wx/version.h" #include "wx/wxprec.h" -#if wxMAJOR_VERSION == 2 - #ifdef __GNUG__ - #pragma implementation "db.h" - #endif +#ifdef __BORLANDC__ + #pragma hdrstop #endif #ifdef DBDEBUG_CONSOLE - #include -#endif - -#ifdef __BORLANDC__ - #pragma hdrstop -#endif //__BORLANDC__ - -#if wxMAJOR_VERSION == 2 - #ifndef WX_PRECOMP - #include "wx/string.h" - #endif //WX_PRECOMP + #include "wx/ioswrap.h" #endif -#if wxMAJOR_VERSION == 1 -# if defined(wx_msw) || defined(wx_x) -# ifdef WX_PRECOMP -# include "wx_prec.h" -# else -# include "wx.h" -# endif -# endif -# define wxUSE_ODBC 1 +#ifndef WX_PRECOMP + #include "wx/string.h" + #include "wx/object.h" + #include "wx/list.h" + #include "wx/utils.h" + #include "wx/log.h" #endif +#include "wx/filefn.h" +#include "wx/wxchar.h" #if wxUSE_ODBC @@ -77,1596 +56,3770 @@ #include #include #include -#if wxMAJOR_VERSION == 1 - #include "db.h" -#elif wxMAJOR_VERSION == 2 - #include "wx/db.h" -#endif -DbList* WXDLLEXPORT PtrBegDbList = 0; +#include "wx/db.h" + +// DLL options compatibility check: +#include "wx/app.h" +WX_CHECK_BUILD_OPTIONS("wxODBC") -#if __WXDEBUG__ > 0 - #if wxMAJOR_VERSION == 2 - #include "wx/object.h" - #include "wx/list.h" - #include "wx/utils.h" - #include "wx/msgdlg.h" - #endif - extern wxList TablesInUse; +WXDLLIMPEXP_DATA_ODBC(wxDbList*) PtrBegDbList = 0; + +wxChar const *SQL_LOG_FILENAME = wxT("sqllog.txt"); +wxChar const *SQL_CATALOG_FILENAME = wxT("catalog.txt"); + +#ifdef __WXDEBUG__ + extern wxList TablesInUse; #endif // SQL Log defaults to be used by GetDbConnection -enum sqlLog SQLLOGstate = sqlLogOFF; +wxDbSqlLogState SQLLOGstate = sqlLogOFF; -char SQLLOGfn[DB_PATH_MAX+1] = "sqllog.txt"; +static wxString SQLLOGfn = SQL_LOG_FILENAME; -// The wxDB::errorList is copied to this variable when the wxDB object +// The wxDb::errorList is copied to this variable when the wxDb object // is closed. This way, the error list is still available after the -// database object is closed. This is necessary if the database +// database object is closed. This is necessary if the database // connection fails so the calling application can show the operator -// why the connection failed. Note: as each wxDB object is closed, it -// will overwrite the errors of the previously destroyed wxDB object in -// this variable. -char DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN]; - -/********** wxDB Constructor **********/ -wxDB::wxDB(HENV &aHenv) -{ - int i; - - fpSqlLog = 0; // Sql Log file pointer - sqlLogState = sqlLogOFF; // By default, logging is turned off - nTables = 0; - - strcpy(sqlState,""); - strcpy(errorMsg,""); - nativeError = cbErrorMsg = 0; - for (i = 0; i < DB_MAX_ERROR_HISTORY; i++) - strcpy(errorList[i], ""); - - // Init typeInf structures - strcpy(typeInfVarchar.TypeName,""); - typeInfVarchar.FsqlType = 0; - typeInfVarchar.Precision = 0; - typeInfVarchar.CaseSensitive = 0; - typeInfVarchar.MaximumScale = 0; - - strcpy(typeInfInteger.TypeName,""); - typeInfInteger.FsqlType = 0; - typeInfInteger.Precision = 0; - typeInfInteger.CaseSensitive = 0; - typeInfInteger.MaximumScale = 0; - - strcpy(typeInfFloat.TypeName,""); - typeInfFloat.FsqlType = 0; - typeInfFloat.Precision = 0; - typeInfFloat.CaseSensitive = 0; - typeInfFloat.MaximumScale = 0; - - strcpy(typeInfDate.TypeName,""); - typeInfDate.FsqlType = 0; - typeInfDate.Precision = 0; - typeInfDate.CaseSensitive = 0; - typeInfDate.MaximumScale = 0; - - // Error reporting is turned OFF by default - silent = TRUE; - - // Copy the HENV into the db class - henv = aHenv; - - // Allocate a data source connection handle - if (SQLAllocConnect(henv, &hdbc) != SQL_SUCCESS) - DispAllErrors(henv); - - // Initialize the db status flag - DB_STATUS = 0; - - // Mark database as not open as of yet - dbIsOpen = FALSE; - -} // wxDB::wxDB() - -/********** wxDB::Open() **********/ -bool wxDB::Open(char *Dsn, char *Uid, char *AuthStr) -{ - assert(Dsn && strlen(Dsn)); - dsn = Dsn; - uid = Uid; - authStr = AuthStr; - - RETCODE retcode; - -#ifndef FWD_ONLY_CURSORS - - // Specify that the ODBC cursor library be used, if needed. This must be - // specified before the connection is made. - retcode = SQLSetConnectOption(hdbc, SQL_ODBC_CURSORS, SQL_CUR_USE_IF_NEEDED); - - #ifdef DBDEBUG_CONSOLE - if (retcode == SQL_SUCCESS) - cout << "SQLSetConnectOption(CURSOR_LIB) successful" << endl; - else - cout << "SQLSetConnectOption(CURSOR_LIB) failed" << endl; - #endif +// why the connection failed. Note: as each wxDb object is closed, it +// will overwrite the errors of the previously destroyed wxDb object in +// this variable. NOTE: This occurs during a CLOSE, not a FREEing of the +// connection +wxChar DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN+1]; + + +// This type defines the return row-struct form +// SQLTablePrivileges, and is used by wxDB::TablePrivileges. +typedef struct +{ + wxChar tableQual[128+1]; + wxChar tableOwner[128+1]; + wxChar tableName[128+1]; + wxChar grantor[128+1]; + wxChar grantee[128+1]; + wxChar privilege[128+1]; + wxChar grantable[3+1]; +} wxDbTablePrivilegeInfo; + + +/********** wxDbConnectInf Constructor - form 1 **********/ +wxDbConnectInf::wxDbConnectInf() +{ + Henv = 0; + freeHenvOnDestroy = false; + + Initialize(); +} // Constructor + + +/********** wxDbConnectInf Constructor - form 2 **********/ +wxDbConnectInf::wxDbConnectInf(HENV henv, const wxString &dsn, const wxString &userID, + const wxString &password, const wxString &defaultDir, + const wxString &fileType, const wxString &description) +{ + Henv = 0; + freeHenvOnDestroy = false; + + Initialize(); + + if (henv) + SetHenv(henv); + else + AllocHenv(); + + SetDsn(dsn); + SetUserID(userID); + SetPassword(password); + SetDescription(description); + SetFileType(fileType); + SetDefaultDir(defaultDir); +} // wxDbConnectInf Constructor + + +wxDbConnectInf::~wxDbConnectInf() +{ + if (freeHenvOnDestroy) + { + FreeHenv(); + } +} // wxDbConnectInf Destructor + + + +/********** wxDbConnectInf::Initialize() **********/ +bool wxDbConnectInf::Initialize() +{ + freeHenvOnDestroy = false; + + if (freeHenvOnDestroy && Henv) + FreeHenv(); + + Henv = 0; + Dsn[0] = 0; + Uid[0] = 0; + AuthStr[0] = 0; + ConnectionStr[0] = 0; + Description.Empty(); + FileType.Empty(); + DefaultDir.Empty(); + + useConnectionStr = false; + + return true; +} // wxDbConnectInf::Initialize() + + +/********** wxDbConnectInf::AllocHenv() **********/ +bool wxDbConnectInf::AllocHenv() +{ + // This is here to help trap if you are getting a new henv + // without releasing an existing henv + wxASSERT(!Henv); + + // Initialize the ODBC Environment for Database Operations + if (SQLAllocEnv(&Henv) != SQL_SUCCESS) + { + wxLogDebug(wxT("A problem occured while trying to get a connection to the data source")); + return false; + } + + freeHenvOnDestroy = true; + + return true; +} // wxDbConnectInf::AllocHenv() + + +void wxDbConnectInf::FreeHenv() +{ + wxASSERT(Henv); + + if (Henv) + SQLFreeEnv(Henv); + + Henv = 0; + freeHenvOnDestroy = false; + +} // wxDbConnectInf::FreeHenv() + + +void wxDbConnectInf::SetDsn(const wxString &dsn) +{ + wxASSERT(dsn.Length() < sizeof(Dsn)); + + wxStrncpy(Dsn, dsn, sizeof(Dsn)-1); + Dsn[sizeof(Dsn)-1] = 0; // Prevent buffer overrun +} // wxDbConnectInf::SetDsn() + + +void wxDbConnectInf::SetUserID(const wxString &uid) +{ + wxASSERT(uid.Length() < sizeof(Uid)); + wxStrncpy(Uid, uid, sizeof(Uid)-1); + Uid[sizeof(Uid)-1] = 0; // Prevent buffer overrun +} // wxDbConnectInf::SetUserID() + + +void wxDbConnectInf::SetPassword(const wxString &password) +{ + wxASSERT(password.Length() < sizeof(AuthStr)); + + wxStrncpy(AuthStr, password, sizeof(AuthStr)-1); + AuthStr[sizeof(AuthStr)-1] = 0; // Prevent buffer overrun +} // wxDbConnectInf::SetPassword() + +void wxDbConnectInf::SetConnectionStr(const wxString &connectStr) +{ + wxASSERT(connectStr.Length() < sizeof(ConnectionStr)); + + useConnectionStr = wxStrlen(connectStr) > 0; + wxStrncpy(ConnectionStr, connectStr, sizeof(ConnectionStr)-1); + ConnectionStr[sizeof(ConnectionStr)-1] = 0; // Prevent buffer overrun +} // wxDbConnectInf::SetConnectionStr() + + +/********** wxDbColFor Constructor **********/ +wxDbColFor::wxDbColFor() +{ + Initialize(); +} // wxDbColFor::wxDbColFor() + + +/********** wxDbColFor::Initialize() **********/ +void wxDbColFor::Initialize() +{ + s_Field.Empty(); + int i; + for (i=0; i<7; i++) + { + s_Format[i].Empty(); + s_Amount[i].Empty(); + i_Amount[i] = 0; + } + i_Nation = 0; // 0=EU, 1=UK, 2=International, 3=US + i_dbDataType = 0; + i_sqlDataType = 0; + Format(1,DB_DATA_TYPE_VARCHAR,0,0,0); // the Function that does the work +} // wxDbColFor::Initialize() + + +/********** wxDbColFor::Format() **********/ +int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType, + short columnLength, short decimalDigits) +{ + // ---------------------------------------------------------------------------------------- + // -- 19991224 : mj10777 : Create + // There is still a lot of work to do here, but it is a start + // It handles all the basic data-types that I have run into up to now + // The main work will have be with Dates and float Formatting + // (US 1,000.00 ; EU 1.000,00) + // There are wxWindow plans for locale support and the new wxDateTime. If + // they define some constants (wxEUROPEAN) that can be gloably used, + // they should be used here. + // ---------------------------------------------------------------------------------------- + // There should also be a function to scan in a string to fill the variable + // ---------------------------------------------------------------------------------------- + wxString tempStr; + i_Nation = Nation; // 0 = timestamp , 1=EU, 2=UK, 3=International, 4=US + i_dbDataType = dbDataType; + i_sqlDataType = sqlDataType; + s_Field.Printf(wxT("%s%d"),s_Amount[1].c_str(),i_Amount[1]); // OK for VARCHAR, INTEGER and FLOAT + + if (i_dbDataType == 0) // Filter unsupported dbDataTypes + { + if ((i_sqlDataType == SQL_VARCHAR) +#if wxUSE_UNICODE + #if defined(SQL_WCHAR) + || (i_sqlDataType == SQL_WCHAR) + #endif + #if defined(SQL_WVARCHAR) + || (i_sqlDataType == SQL_WVARCHAR) + #endif #endif + || (i_sqlDataType == SQL_LONGVARCHAR)) + i_dbDataType = DB_DATA_TYPE_VARCHAR; + if ((i_sqlDataType == SQL_C_DATE) || (i_sqlDataType == SQL_C_TIMESTAMP)) + i_dbDataType = DB_DATA_TYPE_DATE; + if (i_sqlDataType == SQL_C_BIT) + i_dbDataType = DB_DATA_TYPE_INTEGER; + if (i_sqlDataType == SQL_NUMERIC) + i_dbDataType = DB_DATA_TYPE_VARCHAR; // glt - ??? is this right? + if (i_sqlDataType == SQL_REAL) + i_dbDataType = DB_DATA_TYPE_FLOAT; + if (i_sqlDataType == SQL_C_BINARY) + i_dbDataType = DB_DATA_TYPE_BLOB; + } + + if ((i_dbDataType == DB_DATA_TYPE_INTEGER) && (i_sqlDataType == SQL_C_DOUBLE)) + { // DBASE Numeric + i_dbDataType = DB_DATA_TYPE_FLOAT; + } + + switch(i_dbDataType) // TBD: Still a lot of proper formatting to do + { + case DB_DATA_TYPE_VARCHAR: + s_Field = wxT("%s"); + break; + case DB_DATA_TYPE_INTEGER: + s_Field = wxT("%d"); + break; + case DB_DATA_TYPE_FLOAT: + if (decimalDigits == 0) + decimalDigits = 2; + tempStr = wxT("%"); + tempStr.Printf(wxT("%s%d.%d"), tempStr.c_str(),columnLength, decimalDigits); + s_Field.Printf(wxT("%sf"), tempStr.c_str()); + break; + case DB_DATA_TYPE_DATE: + if (i_Nation == 0) // timestamp YYYY-MM-DD HH:MM:SS.SSS (tested for SYBASE) + { + s_Field = wxT("%04d-%02d-%02d %02d:%02d:%02d.%03d"); + } + if (i_Nation == 1) // European DD.MM.YYYY HH:MM:SS.SSS + { + s_Field = wxT("%02d.%02d.%04d %02d:%02d:%02d.%03d"); + } + if (i_Nation == 2) // UK DD/MM/YYYY HH:MM:SS.SSS + { + s_Field = wxT("%02d/%02d/%04d %02d:%02d:%02d.%03d"); + } + if (i_Nation == 3) // International YYYY-MM-DD HH:MM:SS.SSS + { + s_Field = wxT("%04d-%02d-%02d %02d:%02d:%02d.%03d"); + } + if (i_Nation == 4) // US MM/DD/YYYY HH:MM:SS.SSS + { + s_Field = wxT("%02d/%02d/%04d %02d:%02d:%02d.%03d"); + } + break; + case DB_DATA_TYPE_BLOB: + s_Field.Printf(wxT("Unable to format(%d)-SQL(%d)"), dbDataType,sqlDataType); // + break; + default: + s_Field.Printf(wxT("Unknown Format(%d)-SQL(%d)"), dbDataType,sqlDataType); // + break; + }; + return TRUE; +} // wxDbColFor::Format() + + +/********** wxDbColInf Constructor **********/ +wxDbColInf::wxDbColInf() +{ + Initialize(); +} // wxDbColInf::wxDbColInf() + + +/********** wxDbColInf Destructor ********/ +wxDbColInf::~wxDbColInf() +{ + if (pColFor) + delete pColFor; + pColFor = NULL; +} // wxDbColInf::~wxDbColInf() + + +bool wxDbColInf::Initialize() +{ + catalog[0] = 0; + schema[0] = 0; + tableName[0] = 0; + colName[0] = 0; + sqlDataType = 0; + typeName[0] = 0; + columnLength = 0; + bufferSize = 0; + decimalDigits = 0; + numPrecRadix = 0; + nullable = 0; + remarks[0] = 0; + dbDataType = 0; + PkCol = 0; + PkTableName[0] = 0; + FkCol = 0; + FkTableName[0] = 0; + pColFor = NULL; + + return true; +} // wxDbColInf::Initialize() + + +/********** wxDbTableInf Constructor ********/ +wxDbTableInf::wxDbTableInf() +{ + Initialize(); +} // wxDbTableInf::wxDbTableInf() + + +/********** wxDbTableInf Constructor ********/ +wxDbTableInf::~wxDbTableInf() +{ + if (pColInf) + delete [] pColInf; + pColInf = NULL; +} // wxDbTableInf::~wxDbTableInf() + + +bool wxDbTableInf::Initialize() +{ + tableName[0] = 0; + tableType[0] = 0; + tableRemarks[0] = 0; + numCols = 0; + pColInf = NULL; + + return true; +} // wxDbTableInf::Initialize() + + +/********** wxDbInf Constructor *************/ +wxDbInf::wxDbInf() +{ + Initialize(); +} // wxDbInf::wxDbInf() + + +/********** wxDbInf Destructor *************/ +wxDbInf::~wxDbInf() +{ + if (pTableInf) + delete [] pTableInf; + pTableInf = NULL; +} // wxDbInf::~wxDbInf() + + +/********** wxDbInf::Initialize() *************/ +bool wxDbInf::Initialize() +{ + catalog[0] = 0; + schema[0] = 0; + numTables = 0; + pTableInf = NULL; + + return true; +} // wxDbInf::Initialize() + - // Connect to the data source - retcode = SQLConnect(hdbc, (UCHAR FAR *) Dsn, SQL_NTS, - (UCHAR FAR *) Uid, SQL_NTS, - (UCHAR FAR *) AuthStr,SQL_NTS); - if (retcode == SQL_SUCCESS_WITH_INFO) - DispAllErrors(henv, hdbc); - else if (retcode != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); +/********** wxDb Constructor **********/ +wxDb::wxDb(const HENV &aHenv, bool FwdOnlyCursors) +{ + // Copy the HENV into the db class + henv = aHenv; + fwdOnlyCursors = FwdOnlyCursors; + + initialize(); +} // wxDb::wxDb() + + +/********** wxDb Destructor **********/ +wxDb::~wxDb() +{ + wxASSERT_MSG(!IsCached(),wxT("Cached connections must not be manually deleted, use\nwxDbFreeConnection() or wxDbCloseConnections().")); + + if (IsOpen()) + { + Close(); + } +} // wxDb destructor + + +/********** PRIVATE! wxDb::initialize PRIVATE! **********/ +/********** wxDb::initialize() **********/ +void wxDb::initialize() /* - If using Intersolv branded ODBC drivers, this is the place where you would substitute - your branded driver license information + * Private member function that sets all wxDb member variables to + * known values at creation of the wxDb + */ +{ + int i; + + fpSqlLog = 0; // Sql Log file pointer + sqlLogState = sqlLogOFF; // By default, logging is turned off + nTables = 0; + dbmsType = dbmsUNIDENTIFIED; + + wxStrcpy(sqlState,wxEmptyString); + wxStrcpy(errorMsg,wxEmptyString); + nativeError = cbErrorMsg = 0; + for (i = 0; i < DB_MAX_ERROR_HISTORY; i++) + wxStrcpy(errorList[i], wxEmptyString); + + // Init typeInf structures + typeInfVarchar.TypeName.Empty(); + typeInfVarchar.FsqlType = 0; + typeInfVarchar.Precision = 0; + typeInfVarchar.CaseSensitive = 0; + typeInfVarchar.MaximumScale = 0; + + typeInfInteger.TypeName.Empty(); + typeInfInteger.FsqlType = 0; + typeInfInteger.Precision = 0; + typeInfInteger.CaseSensitive = 0; + typeInfInteger.MaximumScale = 0; + + typeInfFloat.TypeName.Empty(); + typeInfFloat.FsqlType = 0; + typeInfFloat.Precision = 0; + typeInfFloat.CaseSensitive = 0; + typeInfFloat.MaximumScale = 0; + + typeInfDate.TypeName.Empty(); + typeInfDate.FsqlType = 0; + typeInfDate.Precision = 0; + typeInfDate.CaseSensitive = 0; + typeInfDate.MaximumScale = 0; + + typeInfBlob.TypeName.Empty(); + typeInfBlob.FsqlType = 0; + typeInfBlob.Precision = 0; + typeInfBlob.CaseSensitive = 0; + typeInfBlob.MaximumScale = 0; + + // Error reporting is turned OFF by default + silent = true; + + // Allocate a data source connection handle + if (SQLAllocConnect(henv, &hdbc) != SQL_SUCCESS) + DispAllErrors(henv); + + // Initialize the db status flag + DB_STATUS = 0; + + // Mark database as not open as of yet + dbIsOpen = false; + dbIsCached = false; + dbOpenedWithConnectionString = false; +} // wxDb::initialize() + + +/********** PRIVATE! wxDb::convertUserID PRIVATE! **********/ +// +// NOTE: Return value from this function MUST be copied +// immediately, as the value is not good after +// this function has left scope. +// +const wxChar *wxDb::convertUserID(const wxChar *userID, wxString &UserID) +{ + if (userID) + { + if (!wxStrlen(userID)) + UserID = uid; + else + UserID = userID; + } + else + UserID.Empty(); + + // dBase does not use user names, and some drivers fail if you try to pass one + if ( Dbms() == dbmsDBASE + || Dbms() == dbmsXBASE_SEQUITER ) + UserID.Empty(); + + // Some databases require user names to be specified in uppercase, + // so force the name to uppercase + if ((Dbms() == dbmsORACLE) || + (Dbms() == dbmsMAXDB)) + UserID = UserID.Upper(); + + return UserID.c_str(); +} // wxDb::convertUserID() + + +bool wxDb::determineDataTypes(bool failOnDataTypeUnsupported) +{ + size_t iIndex; + + // These are the possible SQL types we check for use against the datasource we are connected + // to for the purpose of determining which data type to use for the basic character strings + // column types + // + // NOTE: The first type in this enumeration that is determined to be supported by the + // datasource/driver is the one that will be used. + SWORD PossibleSqlCharTypes[] = { +#if wxUSE_UNICODE && defined(SQL_WVARCHAR) + SQL_WVARCHAR, +#endif + SQL_VARCHAR, +#if wxUSE_UNICODE && defined(SQL_WVARCHAR) + SQL_WCHAR, +#endif + SQL_CHAR + }; + + // These are the possible SQL types we check for use against the datasource we are connected + // to for the purpose of determining which data type to use for the basic non-floating point + // column types + // + // NOTE: The first type in this enumeration that is determined to be supported by the + // datasource/driver is the one that will be used. + SWORD PossibleSqlIntegerTypes[] = { + SQL_INTEGER + }; + + // These are the possible SQL types we check for use against the datasource we are connected + // to for the purpose of determining which data type to use for the basic floating point number + // column types + // + // NOTE: The first type in this enumeration that is determined to be supported by the + // datasource/driver is the one that will be used. + SWORD PossibleSqlFloatTypes[] = { + SQL_DOUBLE, + SQL_REAL, + SQL_FLOAT, + SQL_DECIMAL, + SQL_NUMERIC + }; + + // These are the possible SQL types we check for use agains the datasource we are connected + // to for the purpose of determining which data type to use for the date/time column types + // + // NOTE: The first type in this enumeration that is determined to be supported by the + // datasource/driver is the one that will be used. + SWORD PossibleSqlDateTypes[] = { + SQL_TIMESTAMP, + SQL_DATE, +#ifdef SQL_DATETIME + SQL_DATETIME +#endif + }; + + // These are the possible SQL types we check for use agains the datasource we are connected + // to for the purpose of determining which data type to use for the BLOB column types. + // + // NOTE: The first type in this enumeration that is determined to be supported by the + // datasource/driver is the one that will be used. + SWORD PossibleSqlBlobTypes[] = { + SQL_LONGVARBINARY, + SQL_VARBINARY + }; + + + // Query the data source regarding data type information + + // + // The way it was determined which SQL data types to use was by calling SQLGetInfo + // for all of the possible SQL data types to see which ones were supported. If + // a type is not supported, the SQLFetch() that's called from getDataTypeInfo() + // fails with SQL_NO_DATA_FOUND. This is ugly because I'm sure the three SQL data + // types I've selected below will not always be what we want. These are just + // what happened to work against an Oracle 7/Intersolv combination. The following is + // a complete list of the results I got back against the Oracle 7 database: + // + // SQL_BIGINT SQL_NO_DATA_FOUND + // SQL_BINARY SQL_NO_DATA_FOUND + // SQL_BIT SQL_NO_DATA_FOUND + // SQL_CHAR type name = 'CHAR', Precision = 255 + // SQL_DATE SQL_NO_DATA_FOUND + // SQL_DECIMAL type name = 'NUMBER', Precision = 38 + // SQL_DOUBLE type name = 'NUMBER', Precision = 15 + // SQL_FLOAT SQL_NO_DATA_FOUND + // SQL_INTEGER SQL_NO_DATA_FOUND + // SQL_LONGVARBINARY type name = 'LONG RAW', Precision = 2 billion + // SQL_LONGVARCHAR type name = 'LONG', Precision = 2 billion + // SQL_NUMERIC SQL_NO_DATA_FOUND + // SQL_REAL SQL_NO_DATA_FOUND + // SQL_SMALLINT SQL_NO_DATA_FOUND + // SQL_TIME SQL_NO_DATA_FOUND + // SQL_TIMESTAMP type name = 'DATE', Precision = 19 + // SQL_VARBINARY type name = 'RAW', Precision = 255 + // SQL_VARCHAR type name = 'VARCHAR2', Precision = 2000 + // ===================================================================== + // Results from a Microsoft Access 7.0 db, using a driver from Microsoft + // + // SQL_VARCHAR type name = 'TEXT', Precision = 255 + // SQL_TIMESTAMP type name = 'DATETIME' + // SQL_DECIMAL SQL_NO_DATA_FOUND + // SQL_NUMERIC type name = 'CURRENCY', Precision = 19 + // SQL_FLOAT SQL_NO_DATA_FOUND + // SQL_REAL type name = 'SINGLE', Precision = 7 + // SQL_DOUBLE type name = 'DOUBLE', Precision = 15 + // SQL_INTEGER type name = 'LONG', Precision = 10 + + // Query the data source for info about itself + if (!getDbInfo(failOnDataTypeUnsupported)) + return false; + + // --------------- Varchar - (Variable length character string) --------------- + for (iIndex = 0; iIndex < WXSIZEOF(PossibleSqlCharTypes) && + !getDataTypeInfo(PossibleSqlCharTypes[iIndex], typeInfVarchar); ++iIndex) + {} + + if (iIndex < WXSIZEOF(PossibleSqlCharTypes)) + typeInfVarchar.FsqlType = PossibleSqlCharTypes[iIndex]; + else if (failOnDataTypeUnsupported) + return false; + + // --------------- Float --------------- + for (iIndex = 0; iIndex < WXSIZEOF(PossibleSqlFloatTypes) && + !getDataTypeInfo(PossibleSqlFloatTypes[iIndex], typeInfFloat); ++iIndex) + {} + + if (iIndex < WXSIZEOF(PossibleSqlFloatTypes)) + typeInfFloat.FsqlType = PossibleSqlFloatTypes[iIndex]; + else if (failOnDataTypeUnsupported) + return false; + + // --------------- Integer ------------- + for (iIndex = 0; iIndex < WXSIZEOF(PossibleSqlIntegerTypes) && + !getDataTypeInfo(PossibleSqlIntegerTypes[iIndex], typeInfInteger); ++iIndex) + {} + + if (iIndex < WXSIZEOF(PossibleSqlIntegerTypes)) + typeInfInteger.FsqlType = PossibleSqlIntegerTypes[iIndex]; + else if (failOnDataTypeUnsupported) + { + // If no non-floating point data types are supported, we'll + // use the type assigned for floats to store integers as well + if (!getDataTypeInfo(typeInfFloat.FsqlType, typeInfInteger)) + { + if (failOnDataTypeUnsupported) + return false; + } + else + typeInfInteger.FsqlType = typeInfFloat.FsqlType; + } + + // --------------- Date/Time --------------- + for (iIndex = 0; iIndex < WXSIZEOF(PossibleSqlDateTypes) && + !getDataTypeInfo(PossibleSqlDateTypes[iIndex], typeInfDate); ++iIndex) + {} + + if (iIndex < WXSIZEOF(PossibleSqlDateTypes)) + typeInfDate.FsqlType = PossibleSqlDateTypes[iIndex]; + else if (failOnDataTypeUnsupported) + return false; + + // --------------- BLOB --------------- + for (iIndex = 0; iIndex < WXSIZEOF(PossibleSqlBlobTypes) && + !getDataTypeInfo(PossibleSqlBlobTypes[iIndex], typeInfBlob); ++iIndex) + {} + + if (iIndex < WXSIZEOF(PossibleSqlBlobTypes)) + typeInfBlob.FsqlType = PossibleSqlBlobTypes[iIndex]; + else if (failOnDataTypeUnsupported) + return false; + + return true; +} // wxDb::determineDataTypes + + +bool wxDb::open(bool failOnDataTypeUnsupported) +{ +/* + If using Intersolv branded ODBC drivers, this is the place where you would substitute + your branded driver license information - SQLSetConnectOption(hdbc, 1041, (UDWORD) ""); - SQLSetConnectOption(hdbc, 1042, (UDWORD) ""); + SQLSetConnectOption(hdbc, 1041, (UDWORD) wxEmptyString); + SQLSetConnectOption(hdbc, 1042, (UDWORD) wxEmptyString); */ - // Mark database as open - dbIsOpen = TRUE; - - // Allocate a statement handle for the database connection - if (SQLAllocStmt(hdbc, &hstmt) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); - - // Set Connection Options - if (! setConnectionOptions()) - return(FALSE); - - // Query the data source for inf. about itself - if (! getDbInfo()) - return(FALSE); - - // Query the data source regarding data type information - - // - // The way I determined which SQL data types to use was by calling SQLGetInfo - // for all of the possible SQL data types to see which ones were supported. If - // a type is not supported, the SQLFetch() that's called from getDataTypeInfo() - // fails with SQL_NO_DATA_FOUND. This is ugly because I'm sure the three SQL data - // types I've selected below will not alway's be what we want. These are just - // what happened to work against an Oracle 7/Intersolv combination. The following is - // a complete list of the results I got back against the Oracle 7 database: - // - // SQL_BIGINT SQL_NO_DATA_FOUND - // SQL_BINARY SQL_NO_DATA_FOUND - // SQL_BIT SQL_NO_DATA_FOUND - // SQL_CHAR type name = 'CHAR', Precision = 255 - // SQL_DATE SQL_NO_DATA_FOUND - // SQL_DECIMAL type name = 'NUMBER', Precision = 38 - // SQL_DOUBLE type name = 'NUMBER', Precision = 15 - // SQL_FLOAT SQL_NO_DATA_FOUND - // SQL_INTEGER SQL_NO_DATA_FOUND - // SQL_LONGVARBINARY type name = 'LONG RAW', Precision = 2 billion - // SQL_LONGVARCHAR type name = 'LONG', Precision = 2 billion - // SQL_NUMERIC SQL_NO_DATA_FOUND - // SQL_REAL SQL_NO_DATA_FOUND - // SQL_SMALLINT SQL_NO_DATA_FOUND - // SQL_TIME SQL_NO_DATA_FOUND - // SQL_TIMESTAMP type name = 'DATE', Precision = 19 - // SQL_VARBINARY type name = 'RAW', Precision = 255 - // SQL_VARCHAR type name = 'VARCHAR2', Precision = 2000 - // ===================================================================== - // Results from a Microsoft Access 7.0 db, using a driver from Microsoft - // - // SQL_VARCHAR type name = 'TEXT', Precision = 255 - // SQL_TIMESTAMP type name = 'DATETIME' - // SQL_DECIMAL SQL_NO_DATA_FOUND - // SQL_NUMERIC type name = 'CURRENCY', Precision = 19 - // SQL_FLOAT SQL_NO_DATA_FOUND - // SQL_REAL type name = 'SINGLE', Precision = 7 - // SQL_DOUBLE type name = 'DOUBLE', Precision = 15 - // SQL_INTEGER type name = 'LONG', Precision = 10 - - // VARCHAR = Variable length character string - if (! getDataTypeInfo(SQL_VARCHAR, typeInfVarchar)) - if (! getDataTypeInfo(SQL_CHAR, typeInfVarchar)) - return(FALSE); - else - typeInfVarchar.FsqlType = SQL_CHAR; - else - typeInfVarchar.FsqlType = SQL_VARCHAR; - - // Float - if (! getDataTypeInfo(SQL_DOUBLE, typeInfFloat)) - if (! getDataTypeInfo(SQL_REAL, typeInfFloat)) - if (! getDataTypeInfo(SQL_FLOAT, typeInfFloat)) - if (! getDataTypeInfo(SQL_DECIMAL, typeInfFloat)) - if (! getDataTypeInfo(SQL_NUMERIC, typeInfFloat)) - return(FALSE); - else - typeInfFloat.FsqlType = SQL_NUMERIC; - else - typeInfFloat.FsqlType = SQL_DECIMAL; - else - typeInfFloat.FsqlType = SQL_FLOAT; - else - typeInfFloat.FsqlType = SQL_REAL; - else - typeInfFloat.FsqlType = SQL_DOUBLE; - - // Integer - if (! getDataTypeInfo(SQL_INTEGER, typeInfInteger)) - // If SQL_INTEGER is not supported, use the floating point - // data type to store integers as well as floats - if (! getDataTypeInfo(typeInfFloat.FsqlType, typeInfInteger)) - return(FALSE); - else - typeInfInteger.FsqlType = typeInfFloat.FsqlType; - else - typeInfInteger.FsqlType = SQL_INTEGER; - - // Date/Time - if (Dbms() != dbmsDBASE) - { - if (! getDataTypeInfo(SQL_TIMESTAMP, typeInfDate)) - return(FALSE); - else - typeInfDate.FsqlType = SQL_TIMESTAMP; - } - else - { - if (! getDataTypeInfo(SQL_DATE, typeInfDate)) - return(FALSE); - else - typeInfDate.FsqlType = SQL_DATE; - } + + // Mark database as open + dbIsOpen = true; + + // Allocate a statement handle for the database connection + if (SQLAllocStmt(hdbc, &hstmt) != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc)); + + // Set Connection Options + if (!setConnectionOptions()) + return false; + + if (!determineDataTypes(failOnDataTypeUnsupported)) + return false; #ifdef DBDEBUG_CONSOLE - cout << "VARCHAR DATA TYPE: " << typeInfVarchar.TypeName << endl; - cout << "INTEGER DATA TYPE: " << typeInfInteger.TypeName << endl; - cout << "FLOAT DATA TYPE: " << typeInfFloat.TypeName << endl; - cout << "DATE DATA TYPE: " << typeInfDate.TypeName << endl; - cout << endl; + cout << wxT("VARCHAR DATA TYPE: ") << typeInfVarchar.TypeName << endl; + cout << wxT("INTEGER DATA TYPE: ") << typeInfInteger.TypeName << endl; + cout << wxT("FLOAT DATA TYPE: ") << typeInfFloat.TypeName << endl; + cout << wxT("DATE DATA TYPE: ") << typeInfDate.TypeName << endl; + cout << wxT("BLOB DATA TYPE: ") << typeInfBlob.TypeName << endl; + cout << endl; #endif - // Completed Successfully - return(TRUE); + // Completed Successfully + return true; +} -} // wxDB::Open() +bool wxDb::Open(const wxString& inConnectStr, bool failOnDataTypeUnsupported) +{ + wxASSERT(inConnectStr.Length()); + dsn = wxT(""); + uid = wxT(""); + authStr = wxT(""); -// The Intersolv/Oracle 7 driver was "Not Capable" of setting the login timeout. + RETCODE retcode; -/********** wxDB::setConnectionOptions() **********/ -bool wxDB::setConnectionOptions(void) -{ - SQLSetConnectOption(hdbc, SQL_AUTOCOMMIT, SQL_AUTOCOMMIT_OFF); - SQLSetConnectOption(hdbc, SQL_OPT_TRACE, SQL_OPT_TRACE_OFF); + if (!FwdOnlyCursors()) + { + // Specify that the ODBC cursor library be used, if needed. This must be + // specified before the connection is made. + retcode = SQLSetConnectOption(hdbc, SQL_ODBC_CURSORS, SQL_CUR_USE_IF_NEEDED); - // Display the connection options to verify them #ifdef DBDEBUG_CONSOLE - long l; - cout << ">>>>> CONNECTION OPTIONS <<<<<<" << endl; - - if (SQLGetConnectOption(hdbc, SQL_AUTOCOMMIT, &l) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); - cout << "AUTOCOMMIT: " << (l == SQL_AUTOCOMMIT_OFF ? "OFF" : "ON") << endl; - - if (SQLGetConnectOption(hdbc, SQL_ODBC_CURSORS, &l) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); - cout << "ODBC CURSORS: "; - switch(l) - { - case(SQL_CUR_USE_IF_NEEDED): - cout << "SQL_CUR_USE_IF_NEEDED"; - break; - case(SQL_CUR_USE_ODBC): - cout << "SQL_CUR_USE_ODBC"; - break; - case(SQL_CUR_USE_DRIVER): - cout << "SQL_CUR_USE_DRIVER"; - break; - } - cout << endl; - - if (SQLGetConnectOption(hdbc, SQL_OPT_TRACE, &l) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); - cout << "TRACING: " << (l == SQL_OPT_TRACE_OFF ? "OFF" : "ON") << endl; - - cout << endl; + if (retcode == SQL_SUCCESS) + cout << wxT("SQLSetConnectOption(CURSOR_LIB) successful") << endl; + else + cout << wxT("SQLSetConnectOption(CURSOR_LIB) failed") << endl; +#else + wxUnusedVar(retcode); #endif + } - // Completed Successfully - return(TRUE); + // Connect to the data source + SQLTCHAR outConnectBuffer[SQL_MAX_CONNECTSTR_LEN+1]; // MS recommends at least 1k buffer + short outConnectBufferLen; -} // wxDB::setConnectionOptions() + inConnectionStr = inConnectStr; -/********** wxDB::getDbInfo() **********/ -bool wxDB::getDbInfo(void) -{ - SWORD cb; - RETCODE retcode; + retcode = SQLDriverConnect(hdbc, NULL, (SQLTCHAR FAR *)inConnectionStr.c_str(), + (SWORD)inConnectionStr.Length(), (SQLTCHAR FAR *)outConnectBuffer, + sizeof(outConnectBuffer), &outConnectBufferLen, SQL_DRIVER_COMPLETE ); - if (SQLGetInfo(hdbc, SQL_SERVER_NAME, (UCHAR*) dbInf.serverName, 80, &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + if ((retcode != SQL_SUCCESS) && + (retcode != SQL_SUCCESS_WITH_INFO)) + return(DispAllErrors(henv, hdbc)); - if (SQLGetInfo(hdbc, SQL_DATABASE_NAME, (UCHAR*) dbInf.databaseName, 128, &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + outConnectBuffer[outConnectBufferLen] = 0; + outConnectionStr = outConnectBuffer; + dbOpenedWithConnectionString = true; - if (SQLGetInfo(hdbc, SQL_DBMS_NAME, (UCHAR*) dbInf.dbmsName, 40, &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + return open(failOnDataTypeUnsupported); +} - // 16-Mar-1999 - // After upgrading to MSVC6, the original 20 char buffer below was insufficient, - // causing database connectivity to fail in some cases. - retcode = SQLGetInfo(hdbc, SQL_DBMS_VER, (UCHAR*) dbInf.dbmsVer, 64, &cb); - if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) - return(DispAllErrors(henv, hdbc)); +/********** wxDb::Open() **********/ +bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthStr, bool failOnDataTypeUnsupported) +{ + wxASSERT(Dsn.Length()); + dsn = Dsn; + uid = Uid; + authStr = AuthStr; - if (SQLGetInfo(hdbc, SQL_ACTIVE_CONNECTIONS, (UCHAR*) &dbInf.maxConnections, sizeof(dbInf.maxConnections), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + inConnectionStr = wxT(""); + outConnectionStr = wxT(""); - if (SQLGetInfo(hdbc, SQL_ACTIVE_STATEMENTS, (UCHAR*) &dbInf.maxStmts, sizeof(dbInf.maxStmts), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + RETCODE retcode; - if (SQLGetInfo(hdbc, SQL_DRIVER_NAME, (UCHAR*) dbInf.driverName, 40, &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + if (!FwdOnlyCursors()) + { + // Specify that the ODBC cursor library be used, if needed. This must be + // specified before the connection is made. + retcode = SQLSetConnectOption(hdbc, SQL_ODBC_CURSORS, SQL_CUR_USE_IF_NEEDED); - if (SQLGetInfo(hdbc, SQL_DRIVER_ODBC_VER, (UCHAR*) dbInf.odbcVer, 60, &cb) == SQL_ERROR) - return(DispAllErrors(henv, hdbc)); +#ifdef DBDEBUG_CONSOLE + if (retcode == SQL_SUCCESS) + cout << wxT("SQLSetConnectOption(CURSOR_LIB) successful") << endl; + else + cout << wxT("SQLSetConnectOption(CURSOR_LIB) failed") << endl; +#else + wxUnusedVar( retcode ); +#endif + } - retcode = SQLGetInfo(hdbc, SQL_ODBC_VER, (UCHAR*) dbInf.drvMgrOdbcVer, 60, &cb); - if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) - return(DispAllErrors(henv, hdbc)); + // Connect to the data source + retcode = SQLConnect(hdbc, (SQLTCHAR FAR *) dsn.c_str(), SQL_NTS, + (SQLTCHAR FAR *) uid.c_str(), SQL_NTS, + (SQLTCHAR FAR *) authStr.c_str(), SQL_NTS); - if (SQLGetInfo(hdbc, SQL_DRIVER_VER, (UCHAR*) dbInf.driverVer, 60, &cb) == SQL_ERROR) - return(DispAllErrors(henv, hdbc)); + if ((retcode != SQL_SUCCESS) && + (retcode != SQL_SUCCESS_WITH_INFO)) + return(DispAllErrors(henv, hdbc)); - if (SQLGetInfo(hdbc, SQL_ODBC_API_CONFORMANCE, (UCHAR*) &dbInf.apiConfLvl, sizeof(dbInf.apiConfLvl), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + return open(failOnDataTypeUnsupported); - if (SQLGetInfo(hdbc, SQL_ODBC_SAG_CLI_CONFORMANCE, (UCHAR*) &dbInf.cliConfLvl, sizeof(dbInf.cliConfLvl), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); +} // wxDb::Open() - if (SQLGetInfo(hdbc, SQL_ODBC_SQL_CONFORMANCE, (UCHAR*) &dbInf.sqlConfLvl, sizeof(dbInf.sqlConfLvl), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); - if (SQLGetInfo(hdbc, SQL_OUTER_JOINS, (UCHAR*) dbInf.outerJoins, 2, &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); +bool wxDb::Open(wxDbConnectInf *dbConnectInf, bool failOnDataTypeUnsupported) +{ + wxASSERT(dbConnectInf); - if (SQLGetInfo(hdbc, SQL_PROCEDURES, (UCHAR*) dbInf.procedureSupport, 2, &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + // Use the connection string if one is present + if (dbConnectInf->UseConnectionStr()) + return Open(GetConnectionInStr(), failOnDataTypeUnsupported); + else + return Open(dbConnectInf->GetDsn(), dbConnectInf->GetUserID(), + dbConnectInf->GetPassword(), failOnDataTypeUnsupported); +} // wxDb::Open() - if (SQLGetInfo(hdbc, SQL_CURSOR_COMMIT_BEHAVIOR, (UCHAR*) &dbInf.cursorCommitBehavior, sizeof(dbInf.cursorCommitBehavior), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); - if (SQLGetInfo(hdbc, SQL_CURSOR_ROLLBACK_BEHAVIOR, (UCHAR*) &dbInf.cursorRollbackBehavior, sizeof(dbInf.cursorRollbackBehavior), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); +bool wxDb::Open(wxDb *copyDb) +{ + dsn = copyDb->GetDatasourceName(); + uid = copyDb->GetUsername(); + authStr = copyDb->GetPassword(); + inConnectionStr = copyDb->GetConnectionInStr(); + outConnectionStr = copyDb->GetConnectionOutStr(); - if (SQLGetInfo(hdbc, SQL_NON_NULLABLE_COLUMNS, (UCHAR*) &dbInf.supportNotNullClause, sizeof(dbInf.supportNotNullClause), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + RETCODE retcode; - if (SQLGetInfo(hdbc, SQL_ODBC_SQL_OPT_IEF, (UCHAR*) dbInf.supportIEF, 2, &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + if (!FwdOnlyCursors()) + { + // Specify that the ODBC cursor library be used, if needed. This must be + // specified before the connection is made. + retcode = SQLSetConnectOption(hdbc, SQL_ODBC_CURSORS, SQL_CUR_USE_IF_NEEDED); - if (SQLGetInfo(hdbc, SQL_DEFAULT_TXN_ISOLATION, (UCHAR*) &dbInf.txnIsolation, sizeof(dbInf.txnIsolation), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); +#ifdef DBDEBUG_CONSOLE + if (retcode == SQL_SUCCESS) + cout << wxT("SQLSetConnectOption(CURSOR_LIB) successful") << endl; + else + cout << wxT("SQLSetConnectOption(CURSOR_LIB) failed") << endl; +#else + wxUnusedVar( retcode ); +#endif + } + + if (copyDb->OpenedWithConnectionString()) + { + // Connect to the data source + SQLTCHAR outConnectBuffer[SQL_MAX_CONNECTSTR_LEN+1]; + short outConnectBufferLen; + + inConnectionStr = copyDb->GetConnectionInStr(); + + retcode = SQLDriverConnect(hdbc, NULL, (SQLTCHAR FAR *)inConnectionStr.c_str(), + (SWORD)inConnectionStr.Length(), (SQLTCHAR FAR *)outConnectBuffer, + sizeof(outConnectBuffer), &outConnectBufferLen, SQL_DRIVER_COMPLETE); + + if ((retcode != SQL_SUCCESS) && + (retcode != SQL_SUCCESS_WITH_INFO)) + return(DispAllErrors(henv, hdbc)); + + outConnectBuffer[outConnectBufferLen] = 0; + outConnectionStr = outConnectBuffer; + dbOpenedWithConnectionString = true; + } + else + { + // Connect to the data source + retcode = SQLConnect(hdbc, (SQLTCHAR FAR *) dsn.c_str(), SQL_NTS, + (SQLTCHAR FAR *) uid.c_str(), SQL_NTS, + (SQLTCHAR FAR *) authStr.c_str(), SQL_NTS); + } + + if ((retcode != SQL_SUCCESS) && + (retcode != SQL_SUCCESS_WITH_INFO)) + return(DispAllErrors(henv, hdbc)); - if (SQLGetInfo(hdbc, SQL_TXN_ISOLATION_OPTION, (UCHAR*) &dbInf.txnIsolationOptions, sizeof(dbInf.txnIsolationOptions), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); +/* + If using Intersolv branded ODBC drivers, this is the place where you would substitute + your branded driver license information + + SQLSetConnectOption(hdbc, 1041, (UDWORD) wxEmptyString); + SQLSetConnectOption(hdbc, 1042, (UDWORD) wxEmptyString); +*/ - if (SQLGetInfo(hdbc, SQL_FETCH_DIRECTION, (UCHAR*) &dbInf.fetchDirections, sizeof(dbInf.fetchDirections), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + // Mark database as open + dbIsOpen = true; + + // Allocate a statement handle for the database connection + if (SQLAllocStmt(hdbc, &hstmt) != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc)); + + // Set Connection Options + if (!setConnectionOptions()) + return false; + + // Instead of Querying the data source for info about itself, it can just be copied + // from the wxDb instance that was passed in (copyDb). + wxStrcpy(dbInf.serverName,copyDb->dbInf.serverName); + wxStrcpy(dbInf.databaseName,copyDb->dbInf.databaseName); + wxStrcpy(dbInf.dbmsName,copyDb->dbInf.dbmsName); + wxStrcpy(dbInf.dbmsVer,copyDb->dbInf.dbmsVer); + dbInf.maxConnections = copyDb->dbInf.maxConnections; + dbInf.maxStmts = copyDb->dbInf.maxStmts; + wxStrcpy(dbInf.driverName,copyDb->dbInf.driverName); + wxStrcpy(dbInf.odbcVer,copyDb->dbInf.odbcVer); + wxStrcpy(dbInf.drvMgrOdbcVer,copyDb->dbInf.drvMgrOdbcVer); + wxStrcpy(dbInf.driverVer,copyDb->dbInf.driverVer); + dbInf.apiConfLvl = copyDb->dbInf.apiConfLvl; + dbInf.cliConfLvl = copyDb->dbInf.cliConfLvl; + dbInf.sqlConfLvl = copyDb->dbInf.sqlConfLvl; + wxStrcpy(dbInf.outerJoins,copyDb->dbInf.outerJoins); + wxStrcpy(dbInf.procedureSupport,copyDb->dbInf.procedureSupport); + wxStrcpy(dbInf.accessibleTables,copyDb->dbInf.accessibleTables); + dbInf.cursorCommitBehavior = copyDb->dbInf.cursorCommitBehavior; + dbInf.cursorRollbackBehavior = copyDb->dbInf.cursorRollbackBehavior; + dbInf.supportNotNullClause = copyDb->dbInf.supportNotNullClause; + wxStrcpy(dbInf.supportIEF,copyDb->dbInf.supportIEF); + dbInf.txnIsolation = copyDb->dbInf.txnIsolation; + dbInf.txnIsolationOptions = copyDb->dbInf.txnIsolationOptions; + dbInf.fetchDirections = copyDb->dbInf.fetchDirections; + dbInf.lockTypes = copyDb->dbInf.lockTypes; + dbInf.posOperations = copyDb->dbInf.posOperations; + dbInf.posStmts = copyDb->dbInf.posStmts; + dbInf.scrollConcurrency = copyDb->dbInf.scrollConcurrency; + dbInf.scrollOptions = copyDb->dbInf.scrollOptions; + dbInf.staticSensitivity = copyDb->dbInf.staticSensitivity; + dbInf.txnCapable = copyDb->dbInf.txnCapable; + dbInf.loginTimeout = copyDb->dbInf.loginTimeout; + + // VARCHAR = Variable length character string + typeInfVarchar.FsqlType = copyDb->typeInfVarchar.FsqlType; + typeInfVarchar.TypeName = copyDb->typeInfVarchar.TypeName; + typeInfVarchar.Precision = copyDb->typeInfVarchar.Precision; + typeInfVarchar.CaseSensitive = copyDb->typeInfVarchar.CaseSensitive; + typeInfVarchar.MaximumScale = copyDb->typeInfVarchar.MaximumScale; + + // Float + typeInfFloat.FsqlType = copyDb->typeInfFloat.FsqlType; + typeInfFloat.TypeName = copyDb->typeInfFloat.TypeName; + typeInfFloat.Precision = copyDb->typeInfFloat.Precision; + typeInfFloat.CaseSensitive = copyDb->typeInfFloat.CaseSensitive; + typeInfFloat.MaximumScale = copyDb->typeInfFloat.MaximumScale; + + // Integer + typeInfInteger.FsqlType = copyDb->typeInfInteger.FsqlType; + typeInfInteger.TypeName = copyDb->typeInfInteger.TypeName; + typeInfInteger.Precision = copyDb->typeInfInteger.Precision; + typeInfInteger.CaseSensitive = copyDb->typeInfInteger.CaseSensitive; + typeInfInteger.MaximumScale = copyDb->typeInfInteger.MaximumScale; + + // Date/Time + typeInfDate.FsqlType = copyDb->typeInfDate.FsqlType; + typeInfDate.TypeName = copyDb->typeInfDate.TypeName; + typeInfDate.Precision = copyDb->typeInfDate.Precision; + typeInfDate.CaseSensitive = copyDb->typeInfDate.CaseSensitive; + typeInfDate.MaximumScale = copyDb->typeInfDate.MaximumScale; + + // Blob + typeInfBlob.FsqlType = copyDb->typeInfBlob.FsqlType; + typeInfBlob.TypeName = copyDb->typeInfBlob.TypeName; + typeInfBlob.Precision = copyDb->typeInfBlob.Precision; + typeInfBlob.CaseSensitive = copyDb->typeInfBlob.CaseSensitive; + typeInfBlob.MaximumScale = copyDb->typeInfBlob.MaximumScale; - if (SQLGetInfo(hdbc, SQL_LOCK_TYPES, (UCHAR*) &dbInf.lockTypes, sizeof(dbInf.lockTypes), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); +#ifdef DBDEBUG_CONSOLE + cout << wxT("VARCHAR DATA TYPE: ") << typeInfVarchar.TypeName << endl; + cout << wxT("INTEGER DATA TYPE: ") << typeInfInteger.TypeName << endl; + cout << wxT("FLOAT DATA TYPE: ") << typeInfFloat.TypeName << endl; + cout << wxT("DATE DATA TYPE: ") << typeInfDate.TypeName << endl; + cout << wxT("BLOB DATA TYPE: ") << typeInfBlob.TypeName << endl; + cout << endl; +#endif - if (SQLGetInfo(hdbc, SQL_POS_OPERATIONS, (UCHAR*) &dbInf.posOperations, sizeof(dbInf.posOperations), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + // Completed Successfully + return true; +} // wxDb::Open() 2 - if (SQLGetInfo(hdbc, SQL_POSITIONED_STATEMENTS, (UCHAR*) &dbInf.posStmts, sizeof(dbInf.posStmts), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); - if (SQLGetInfo(hdbc, SQL_SCROLL_CONCURRENCY, (UCHAR*) &dbInf.scrollConcurrency, sizeof(dbInf.scrollConcurrency), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); +/********** wxDb::setConnectionOptions() **********/ +bool wxDb::setConnectionOptions(void) +/* + * NOTE: The Intersolv/Oracle 7 driver was "Not Capable" of setting the login timeout. + */ +{ + SWORD cb; + + // I need to get the DBMS name here, because some of the connection options + // are database specific and need to call the Dbms() function. + RETCODE retcode; + + retcode = SQLGetInfo(hdbc, SQL_DBMS_NAME, (UCHAR *) dbInf.dbmsName, sizeof(dbInf.dbmsName), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) + return(DispAllErrors(henv, hdbc)); + + /* retcode = */ SQLSetConnectOption(hdbc, SQL_AUTOCOMMIT, SQL_AUTOCOMMIT_OFF); + /* retcode = */ SQLSetConnectOption(hdbc, SQL_OPT_TRACE, SQL_OPT_TRACE_OFF); +// SQLSetConnectOption(hdbc, SQL_TXN_ISOLATION, SQL_TXN_READ_COMMITTED); // No dirty reads + + // By default, MS Sql Server closes cursors on commit and rollback. The following + // call to SQLSetConnectOption() is needed to force SQL Server to preserve cursors + // after a transaction. This is a driver specific option and is not part of the + // ODBC standard. Note: this behavior is specific to the ODBC interface to SQL Server. + // The database settings don't have any effect one way or the other. + if (Dbms() == dbmsMS_SQL_SERVER) + { + const long SQL_PRESERVE_CURSORS = 1204L; + const long SQL_PC_ON = 1L; + /* retcode = */ SQLSetConnectOption(hdbc, SQL_PRESERVE_CURSORS, SQL_PC_ON); + } + + // Display the connection options to verify them +#ifdef DBDEBUG_CONSOLE + long l; + cout << wxT("****** CONNECTION OPTIONS ******") << endl; + + retcode = SQLGetConnectOption(hdbc, SQL_AUTOCOMMIT, &l); + if (retcode != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc)); + cout << wxT("AUTOCOMMIT: ") << (l == SQL_AUTOCOMMIT_OFF ? "OFF" : "ON") << endl; + + retcode = SQLGetConnectOption(hdbc, SQL_ODBC_CURSORS, &l); + if (retcode != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc)); + cout << wxT("ODBC CURSORS: "); + switch(l) + { + case(SQL_CUR_USE_IF_NEEDED): + cout << wxT("SQL_CUR_USE_IF_NEEDED"); + break; + case(SQL_CUR_USE_ODBC): + cout << wxT("SQL_CUR_USE_ODBC"); + break; + case(SQL_CUR_USE_DRIVER): + cout << wxT("SQL_CUR_USE_DRIVER"); + break; + } + cout << endl; + + retcode = SQLGetConnectOption(hdbc, SQL_OPT_TRACE, &l) + if (retcode != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc)); + cout << wxT("TRACING: ") << (l == SQL_OPT_TRACE_OFF ? wxT("OFF") : wxT("ON")) << endl; + + cout << endl; +#endif - if (SQLGetInfo(hdbc, SQL_SCROLL_OPTIONS, (UCHAR*) &dbInf.scrollOptions, sizeof(dbInf.scrollOptions), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + // Completed Successfully + return true; - if (SQLGetInfo(hdbc, SQL_STATIC_SENSITIVITY, (UCHAR*) &dbInf.staticSensitivity, sizeof(dbInf.staticSensitivity), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); +} // wxDb::setConnectionOptions() - if (SQLGetInfo(hdbc, SQL_TXN_CAPABLE, (UCHAR*) &dbInf.txnCapable, sizeof(dbInf.txnCapable), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); - if (SQLGetInfo(hdbc, SQL_LOGIN_TIMEOUT, (UCHAR*) &dbInf.loginTimeout, sizeof(dbInf.loginTimeout), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); +/********** wxDb::getDbInfo() **********/ +bool wxDb::getDbInfo(bool failOnDataTypeUnsupported) +{ + SWORD cb; + RETCODE retcode; + + retcode = SQLGetInfo(hdbc, SQL_SERVER_NAME, (UCHAR*) dbInf.serverName, sizeof(dbInf.serverName), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_DATABASE_NAME, (UCHAR*) dbInf.databaseName, sizeof(dbInf.databaseName), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_DBMS_NAME, (UCHAR*) dbInf.dbmsName, sizeof(dbInf.dbmsName), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + // 16-Mar-1999 + // After upgrading to MSVC6, the original 20 char buffer below was insufficient, + // causing database connectivity to fail in some cases. + retcode = SQLGetInfo(hdbc, SQL_DBMS_VER, (UCHAR*) dbInf.dbmsVer, sizeof(dbInf.dbmsVer), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_ACTIVE_CONNECTIONS, (UCHAR*) &dbInf.maxConnections, sizeof(dbInf.maxConnections), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_ACTIVE_STATEMENTS, (UCHAR*) &dbInf.maxStmts, sizeof(dbInf.maxStmts), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_DRIVER_NAME, (UCHAR*) dbInf.driverName, sizeof(dbInf.driverName), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_DRIVER_ODBC_VER, (UCHAR*) dbInf.odbcVer, sizeof(dbInf.odbcVer), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_ODBC_VER, (UCHAR*) dbInf.drvMgrOdbcVer, sizeof(dbInf.drvMgrOdbcVer), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_DRIVER_VER, (UCHAR*) dbInf.driverVer, sizeof(dbInf.driverVer), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_ODBC_API_CONFORMANCE, (UCHAR*) &dbInf.apiConfLvl, sizeof(dbInf.apiConfLvl), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_ODBC_SAG_CLI_CONFORMANCE, (UCHAR*) &dbInf.cliConfLvl, sizeof(dbInf.cliConfLvl), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + // Not all drivers support this call - Nick Gorham(unixODBC) + dbInf.cliConfLvl = 0; + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_ODBC_SQL_CONFORMANCE, (UCHAR*) &dbInf.sqlConfLvl, sizeof(dbInf.sqlConfLvl), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_OUTER_JOINS, (UCHAR*) dbInf.outerJoins, sizeof(dbInf.outerJoins), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_PROCEDURES, (UCHAR*) dbInf.procedureSupport, sizeof(dbInf.procedureSupport), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_ACCESSIBLE_TABLES, (UCHAR*) dbInf.accessibleTables, sizeof(dbInf.accessibleTables), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_CURSOR_COMMIT_BEHAVIOR, (UCHAR*) &dbInf.cursorCommitBehavior, sizeof(dbInf.cursorCommitBehavior), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_CURSOR_ROLLBACK_BEHAVIOR, (UCHAR*) &dbInf.cursorRollbackBehavior, sizeof(dbInf.cursorRollbackBehavior), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_NON_NULLABLE_COLUMNS, (UCHAR*) &dbInf.supportNotNullClause, sizeof(dbInf.supportNotNullClause), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_ODBC_SQL_OPT_IEF, (UCHAR*) dbInf.supportIEF, sizeof(dbInf.supportIEF), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_DEFAULT_TXN_ISOLATION, (UCHAR*) &dbInf.txnIsolation, sizeof(dbInf.txnIsolation), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_TXN_ISOLATION_OPTION, (UCHAR*) &dbInf.txnIsolationOptions, sizeof(dbInf.txnIsolationOptions), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_FETCH_DIRECTION, (UCHAR*) &dbInf.fetchDirections, sizeof(dbInf.fetchDirections), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_LOCK_TYPES, (UCHAR*) &dbInf.lockTypes, sizeof(dbInf.lockTypes), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_POS_OPERATIONS, (UCHAR*) &dbInf.posOperations, sizeof(dbInf.posOperations), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_POSITIONED_STATEMENTS, (UCHAR*) &dbInf.posStmts, sizeof(dbInf.posStmts), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_SCROLL_CONCURRENCY, (UCHAR*) &dbInf.scrollConcurrency, sizeof(dbInf.scrollConcurrency), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_SCROLL_OPTIONS, (UCHAR*) &dbInf.scrollOptions, sizeof(dbInf.scrollOptions), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_STATIC_SENSITIVITY, (UCHAR*) &dbInf.staticSensitivity, sizeof(dbInf.staticSensitivity), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_TXN_CAPABLE, (UCHAR*) &dbInf.txnCapable, sizeof(dbInf.txnCapable), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } + + retcode = SQLGetInfo(hdbc, SQL_LOGIN_TIMEOUT, (UCHAR*) &dbInf.loginTimeout, sizeof(dbInf.loginTimeout), &cb); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) + { + DispAllErrors(henv, hdbc); + if (failOnDataTypeUnsupported) + return false; + } #ifdef DBDEBUG_CONSOLE - cout << ">>>>> DATA SOURCE INFORMATION <<<<<" << endl; - cout << "SERVER Name: " << dbInf.serverName << endl; - cout << "DBMS Name: " << dbInf.dbmsName << "; DBMS Version: " << dbInf.dbmsVer << endl; - cout << "ODBC Version: " << dbInf.odbcVer << "; Driver Version: " << dbInf.driverVer << endl; - - cout << "API Conf. Level: "; - switch(dbInf.apiConfLvl) - { - case SQL_OAC_NONE: cout << "None"; break; - case SQL_OAC_LEVEL1: cout << "Level 1"; break; - case SQL_OAC_LEVEL2: cout << "Level 2"; break; - } - cout << endl; - - cout << "SAG CLI Conf. Level: "; - switch(dbInf.cliConfLvl) - { - case SQL_OSCC_NOT_COMPLIANT: cout << "Not Compliant"; break; - case SQL_OSCC_COMPLIANT: cout << "Compliant"; break; - } - cout << endl; - - cout << "SQL Conf. Level: "; - switch(dbInf.sqlConfLvl) - { - case SQL_OSC_MINIMUM: cout << "Minimum Grammer"; break; - case SQL_OSC_CORE: cout << "Core Grammer"; break; - case SQL_OSC_EXTENDED: cout << "Extended Grammer"; break; - } - cout << endl; - - cout << "Max. Connections: " << dbInf.maxConnections << endl; - cout << "Outer Joins: " << dbInf.outerJoins << endl; - cout << "Support for Procedures: " << dbInf.procedureSupport << endl; - - cout << "Cursor COMMIT Behavior: "; - switch(dbInf.cursorCommitBehavior) - { - case SQL_CB_DELETE: cout << "Delete cursors"; break; - case SQL_CB_CLOSE: cout << "Close cursors"; break; - case SQL_CB_PRESERVE: cout << "Preserve cursors"; break; - } - cout << endl; - - cout << "Cursor ROLLBACK Behavior: "; - switch(dbInf.cursorRollbackBehavior) - { - case SQL_CB_DELETE: cout << "Delete cursors"; break; - case SQL_CB_CLOSE: cout << "Close cursors"; break; - case SQL_CB_PRESERVE: cout << "Preserve cursors"; break; - } - cout << endl; - - cout << "Support NOT NULL clause: "; - switch(dbInf.supportNotNullClause) - { - case SQL_NNC_NULL: cout << "No"; break; - case SQL_NNC_NON_NULL: cout << "Yes"; break; - } - cout << endl; - - cout << "Support IEF (Ref. Integrity): " << dbInf.supportIEF << endl; - cout << "Login Timeout: " << dbInf.loginTimeout << endl; - - cout << endl << endl << "more ..." << endl; - getchar(); - - cout << "Default Transaction Isolation: "; - switch(dbInf.txnIsolation) - { - case SQL_TXN_READ_UNCOMMITTED: cout << "Read Uncommitted"; break; - case SQL_TXN_READ_COMMITTED: cout << "Read Committed"; break; - case SQL_TXN_REPEATABLE_READ: cout << "Repeatable Read"; break; - case SQL_TXN_SERIALIZABLE: cout << "Serializable"; break; + cout << wxT("***** DATA SOURCE INFORMATION *****") << endl; + cout << wxT(wxT("SERVER Name: ") << dbInf.serverName << endl; + cout << wxT("DBMS Name: ") << dbInf.dbmsName << wxT("; DBMS Version: ") << dbInf.dbmsVer << endl; + cout << wxT("ODBC Version: ") << dbInf.odbcVer << wxT("; Driver Version: ") << dbInf.driverVer << endl; + + cout << wxT("API Conf. Level: "); + switch(dbInf.apiConfLvl) + { + case SQL_OAC_NONE: cout << wxT("None"); break; + case SQL_OAC_LEVEL1: cout << wxT("Level 1"); break; + case SQL_OAC_LEVEL2: cout << wxT("Level 2"); break; + } + cout << endl; + + cout << wxT("SAG CLI Conf. Level: "); + switch(dbInf.cliConfLvl) + { + case SQL_OSCC_NOT_COMPLIANT: cout << wxT("Not Compliant"); break; + case SQL_OSCC_COMPLIANT: cout << wxT("Compliant"); break; + } + cout << endl; + + cout << wxT("SQL Conf. Level: "); + switch(dbInf.sqlConfLvl) + { + case SQL_OSC_MINIMUM: cout << wxT("Minimum Grammar"); break; + case SQL_OSC_CORE: cout << wxT("Core Grammar"); break; + case SQL_OSC_EXTENDED: cout << wxT("Extended Grammar"); break; + } + cout << endl; + + cout << wxT("Max. Connections: ") << dbInf.maxConnections << endl; + cout << wxT("Outer Joins: ") << dbInf.outerJoins << endl; + cout << wxT("Support for Procedures: ") << dbInf.procedureSupport << endl; + cout << wxT("All tables accessible : ") << dbInf.accessibleTables << endl; + cout << wxT("Cursor COMMIT Behavior: "); + switch(dbInf.cursorCommitBehavior) + { + case SQL_CB_DELETE: cout << wxT("Delete cursors"); break; + case SQL_CB_CLOSE: cout << wxT("Close cursors"); break; + case SQL_CB_PRESERVE: cout << wxT("Preserve cursors"); break; + } + cout << endl; + + cout << wxT("Cursor ROLLBACK Behavior: "); + switch(dbInf.cursorRollbackBehavior) + { + case SQL_CB_DELETE: cout << wxT("Delete cursors"); break; + case SQL_CB_CLOSE: cout << wxT("Close cursors"); break; + case SQL_CB_PRESERVE: cout << wxT("Preserve cursors"); break; + } + cout << endl; + + cout << wxT("Support NOT NULL clause: "); + switch(dbInf.supportNotNullClause) + { + case SQL_NNC_NULL: cout << wxT("No"); break; + case SQL_NNC_NON_NULL: cout << wxT("Yes"); break; + } + cout << endl; + + cout << wxT("Support IEF (Ref. Integrity): ") << dbInf.supportIEF << endl; + cout << wxT("Login Timeout: ") << dbInf.loginTimeout << endl; + + cout << endl << endl << wxT("more ...") << endl; + getchar(); + + cout << wxT("Default Transaction Isolation: "; + switch(dbInf.txnIsolation) + { + case SQL_TXN_READ_UNCOMMITTED: cout << wxT("Read Uncommitted"); break; + case SQL_TXN_READ_COMMITTED: cout << wxT("Read Committed"); break; + case SQL_TXN_REPEATABLE_READ: cout << wxT("Repeatable Read"); break; + case SQL_TXN_SERIALIZABLE: cout << wxT("Serializable"); break; #ifdef ODBC_V20 - case SQL_TXN_VERSIONING: cout << "Versioning"; break; + case SQL_TXN_VERSIONING: cout << wxT("Versioning"); break; #endif - } - cout << endl; - - cout << "Transaction Isolation Options: "; - if (dbInf.txnIsolationOptions & SQL_TXN_READ_UNCOMMITTED) - cout << "Read Uncommitted, "; - if (dbInf.txnIsolationOptions & SQL_TXN_READ_COMMITTED) - cout << "Read Committed, "; - if (dbInf.txnIsolationOptions & SQL_TXN_REPEATABLE_READ) - cout << "Repeatable Read, "; - if (dbInf.txnIsolationOptions & SQL_TXN_SERIALIZABLE) - cout << "Serializable, "; + } + cout << endl; + + cout << wxT("Transaction Isolation Options: "); + if (dbInf.txnIsolationOptions & SQL_TXN_READ_UNCOMMITTED) + cout << wxT("Read Uncommitted, "); + if (dbInf.txnIsolationOptions & SQL_TXN_READ_COMMITTED) + cout << wxT("Read Committed, "); + if (dbInf.txnIsolationOptions & SQL_TXN_REPEATABLE_READ) + cout << wxT("Repeatable Read, "); + if (dbInf.txnIsolationOptions & SQL_TXN_SERIALIZABLE) + cout << wxT("Serializable, "); #ifdef ODBC_V20 - if (dbInf.txnIsolationOptions & SQL_TXN_VERSIONING) - cout << "Versioning"; + if (dbInf.txnIsolationOptions & SQL_TXN_VERSIONING) + cout << wxT("Versioning"); #endif - cout << endl; - - cout << "Fetch Directions Supported:" << endl << " "; - if (dbInf.fetchDirections & SQL_FD_FETCH_NEXT) - cout << "Next, "; - if (dbInf.fetchDirections & SQL_FD_FETCH_PRIOR) - cout << "Prev, "; - if (dbInf.fetchDirections & SQL_FD_FETCH_FIRST) - cout << "First, "; - if (dbInf.fetchDirections & SQL_FD_FETCH_LAST) - cout << "Last, "; - if (dbInf.fetchDirections & SQL_FD_FETCH_ABSOLUTE) - cout << "Absolute, "; - if (dbInf.fetchDirections & SQL_FD_FETCH_RELATIVE) - cout << "Relative, "; + cout << endl; + + cout << wxT("Fetch Directions Supported:") << endl << wxT(" "); + if (dbInf.fetchDirections & SQL_FD_FETCH_NEXT) + cout << wxT("Next, "); + if (dbInf.fetchDirections & SQL_FD_FETCH_PRIOR) + cout << wxT("Prev, "); + if (dbInf.fetchDirections & SQL_FD_FETCH_FIRST) + cout << wxT("First, "); + if (dbInf.fetchDirections & SQL_FD_FETCH_LAST) + cout << wxT("Last, "); + if (dbInf.fetchDirections & SQL_FD_FETCH_ABSOLUTE) + cout << wxT("Absolute, "); + if (dbInf.fetchDirections & SQL_FD_FETCH_RELATIVE) + cout << wxT("Relative, "); #ifdef ODBC_V20 - if (dbInf.fetchDirections & SQL_FD_FETCH_RESUME) - cout << "Resume, "; + if (dbInf.fetchDirections & SQL_FD_FETCH_RESUME) + cout << wxT("Resume, "); #endif - if (dbInf.fetchDirections & SQL_FD_FETCH_BOOKMARK) - cout << "Bookmark"; - cout << endl; - - cout << "Lock Types Supported (SQLSetPos): "; - if (dbInf.lockTypes & SQL_LCK_NO_CHANGE) - cout << "No Change, "; - if (dbInf.lockTypes & SQL_LCK_EXCLUSIVE) - cout << "Exclusive, "; - if (dbInf.lockTypes & SQL_LCK_UNLOCK) - cout << "UnLock"; - cout << endl; - - cout << "Position Operations Supported (SQLSetPos): "; - if (dbInf.posOperations & SQL_POS_POSITION) - cout << "Position, "; - if (dbInf.posOperations & SQL_POS_REFRESH) - cout << "Refresh, "; - if (dbInf.posOperations & SQL_POS_UPDATE) - cout << "Upd, "; - if (dbInf.posOperations & SQL_POS_DELETE) - cout << "Del, "; - if (dbInf.posOperations & SQL_POS_ADD) - cout << "Add"; - cout << endl; - - cout << "Positioned Statements Supported: "; - if (dbInf.posStmts & SQL_PS_POSITIONED_DELETE) - cout << "Pos delete, "; - if (dbInf.posStmts & SQL_PS_POSITIONED_UPDATE) - cout << "Pos update, "; - if (dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE) - cout << "Select for update"; - cout << endl; - - cout << "Scroll Concurrency: "; - if (dbInf.scrollConcurrency & SQL_SCCO_READ_ONLY) - cout << "Read Only, "; - if (dbInf.scrollConcurrency & SQL_SCCO_LOCK) - cout << "Lock, "; - if (dbInf.scrollConcurrency & SQL_SCCO_OPT_ROWVER) - cout << "Opt. Rowver, "; - if (dbInf.scrollConcurrency & SQL_SCCO_OPT_VALUES) - cout << "Opt. Values"; - cout << endl; - - cout << "Scroll Options: "; - if (dbInf.scrollOptions & SQL_SO_FORWARD_ONLY) - cout << "Fwd Only, "; - if (dbInf.scrollOptions & SQL_SO_STATIC) - cout << "Static, "; - if (dbInf.scrollOptions & SQL_SO_KEYSET_DRIVEN) - cout << "Keyset Driven, "; - if (dbInf.scrollOptions & SQL_SO_DYNAMIC) - cout << "Dynamic, "; - if (dbInf.scrollOptions & SQL_SO_MIXED) - cout << "Mixed"; - cout << endl; - - cout << "Static Sensitivity: "; - if (dbInf.staticSensitivity & SQL_SS_ADDITIONS) - cout << "Additions, "; - if (dbInf.staticSensitivity & SQL_SS_DELETIONS) - cout << "Deletions, "; - if (dbInf.staticSensitivity & SQL_SS_UPDATES) - cout << "Updates"; - cout << endl; - - cout << "Transaction Capable?: "; - switch(dbInf.txnCapable) - { - case SQL_TC_NONE: cout << "No"; break; - case SQL_TC_DML: cout << "DML Only"; break; - case SQL_TC_DDL_COMMIT: cout << "DDL Commit"; break; - case SQL_TC_DDL_IGNORE: cout << "DDL Ignore"; break; - case SQL_TC_ALL: cout << "DDL & DML"; break; - } - cout << endl; - - cout << endl; - + if (dbInf.fetchDirections & SQL_FD_FETCH_BOOKMARK) + cout << wxT("Bookmark"); + cout << endl; + + cout << wxT("Lock Types Supported (SQLSetPos): "); + if (dbInf.lockTypes & SQL_LCK_NO_CHANGE) + cout << wxT("No Change, "); + if (dbInf.lockTypes & SQL_LCK_EXCLUSIVE) + cout << wxT("Exclusive, "); + if (dbInf.lockTypes & SQL_LCK_UNLOCK) + cout << wxT("UnLock"); + cout << endl; + + cout << wxT("Position Operations Supported (SQLSetPos): "); + if (dbInf.posOperations & SQL_POS_POSITION) + cout << wxT("Position, "); + if (dbInf.posOperations & SQL_POS_REFRESH) + cout << wxT("Refresh, "); + if (dbInf.posOperations & SQL_POS_UPDATE) + cout << wxT("Upd, ")); + if (dbInf.posOperations & SQL_POS_DELETE) + cout << wxT("Del, "); + if (dbInf.posOperations & SQL_POS_ADD) + cout << wxT("Add"); + cout << endl; + + cout << wxT("Positioned Statements Supported: "); + if (dbInf.posStmts & SQL_PS_POSITIONED_DELETE) + cout << wxT("Pos delete, "); + if (dbInf.posStmts & SQL_PS_POSITIONED_UPDATE) + cout << wxT("Pos update, "); + if (dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE) + cout << wxT("Select for update"); + cout << endl; + + cout << wxT("Scroll Concurrency: "); + if (dbInf.scrollConcurrency & SQL_SCCO_READ_ONLY) + cout << wxT("Read Only, "); + if (dbInf.scrollConcurrency & SQL_SCCO_LOCK) + cout << wxT("Lock, "); + if (dbInf.scrollConcurrency & SQL_SCCO_OPT_ROWVER) + cout << wxT("Opt. Rowver, "); + if (dbInf.scrollConcurrency & SQL_SCCO_OPT_VALUES) + cout << wxT("Opt. Values"); + cout << endl; + + cout << wxT("Scroll Options: "); + if (dbInf.scrollOptions & SQL_SO_FORWARD_ONLY) + cout << wxT("Fwd Only, "); + if (dbInf.scrollOptions & SQL_SO_STATIC) + cout << wxT("Static, "); + if (dbInf.scrollOptions & SQL_SO_KEYSET_DRIVEN) + cout << wxT("Keyset Driven, "); + if (dbInf.scrollOptions & SQL_SO_DYNAMIC) + cout << wxT("Dynamic, "); + if (dbInf.scrollOptions & SQL_SO_MIXED) + cout << wxT("Mixed"); + cout << endl; + + cout << wxT("Static Sensitivity: "); + if (dbInf.staticSensitivity & SQL_SS_ADDITIONS) + cout << wxT("Additions, "); + if (dbInf.staticSensitivity & SQL_SS_DELETIONS) + cout << wxT("Deletions, "); + if (dbInf.staticSensitivity & SQL_SS_UPDATES) + cout << wxT("Updates"); + cout << endl; + + cout << wxT("Transaction Capable?: "); + switch(dbInf.txnCapable) + { + case SQL_TC_NONE: cout << wxT("No"); break; + case SQL_TC_DML: cout << wxT("DML Only"); break; + case SQL_TC_DDL_COMMIT: cout << wxT("DDL Commit"); break; + case SQL_TC_DDL_IGNORE: cout << wxT("DDL Ignore"); break; + case SQL_TC_ALL: cout << wxT("DDL & DML"); break; + } + cout << endl; + + cout << endl; #endif - // Completed Successfully - return(TRUE); + // Completed Successfully + return true; -} // wxDB::getDbInfo() +} // wxDb::getDbInfo() -/********** wxDB::getDataTypeInfo() **********/ -bool wxDB::getDataTypeInfo(SWORD fSqlType, SqlTypeInfo &structSQLTypeInfo) + +/********** wxDb::getDataTypeInfo() **********/ +bool wxDb::getDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo) { - // fSqlType will be something like SQL_VARCHAR. This parameter determines - // the data type inf. is gathered for. - // - // SqlTypeInfo is a structure that is filled in with data type information, +/* + * fSqlType will be something like SQL_VARCHAR. This parameter determines + * the data type inf. is gathered for. + * + * wxDbSqlTypeInfo is a structure that is filled in with data type information, + */ + RETCODE retcode; + SDWORD cbRet; - RETCODE retcode; - SDWORD cbRet; + // Get information about the data type specified + if (SQLGetTypeInfo(hstmt, fSqlType) != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc, hstmt)); - // Get information about the data type specified - if (SQLGetTypeInfo(hstmt, fSqlType) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc, hstmt)); - // Fetch the record - if ((retcode = SQLFetch(hstmt)) != SQL_SUCCESS) - { + // Fetch the record + retcode = SQLFetch(hstmt); + if (retcode != SQL_SUCCESS) + { #ifdef DBDEBUG_CONSOLE - if (retcode == SQL_NO_DATA_FOUND) - cout << "SQL_NO_DATA_FOUND fetching inf. about data type." << endl; + if (retcode == SQL_NO_DATA_FOUND) + cout << wxT("SQL_NO_DATA_FOUND fetching information about data type.") << endl; #endif - DispAllErrors(henv, hdbc, hstmt); - SQLFreeStmt(hstmt, SQL_CLOSE); - return(FALSE); - } - // Obtain columns from the record - if (SQLGetData(hstmt, 1, SQL_C_CHAR, (UCHAR*) structSQLTypeInfo.TypeName, DB_TYPE_NAME_LEN, &cbRet) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc, hstmt)); - if (SQLGetData(hstmt, 3, SQL_C_LONG, (UCHAR*) &structSQLTypeInfo.Precision, 0, &cbRet) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc, hstmt)); - if (SQLGetData(hstmt, 8, SQL_C_SHORT, (UCHAR*) &structSQLTypeInfo.CaseSensitive, 0, &cbRet) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc, hstmt)); -// if (SQLGetData(hstmt, 14, SQL_C_SHORT, (UCHAR*) &structSQLTypeInfo.MinimumScale, 0, &cbRet) != SQL_SUCCESS) -// return(DispAllErrors(henv, hdbc, hstmt)); - -//#ifdef __UNIX__ // BJO : IODBC knows about 5, not 15... -// if (SQLGetData(hstmt, 5, SQL_C_SHORT,(UCHAR*) &structSQLTypeInfo.MaximumScale, 0, &cbRet) != SQL_SUCCESS) -// return(DispAllErrors(henv, hdbc, hstmt)); -//#else - if (SQLGetData(hstmt, 15, SQL_C_SHORT,(UCHAR*) &structSQLTypeInfo.MaximumScale, 0, &cbRet) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc, hstmt)); -//#endif - - if (structSQLTypeInfo.MaximumScale < 0) - structSQLTypeInfo.MaximumScale = 0; - - // Close the statement handle which closes open cursors - if (SQLFreeStmt(hstmt, SQL_CLOSE) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc, hstmt)); - - // Completed Successfully - return(TRUE); - -} // wxDB::getDataTypeInfo() - -/********** wxDB::Close() **********/ -void wxDB::Close(void) -{ - // Close the Sql Log file - if (fpSqlLog) - { - fclose(fpSqlLog); - fpSqlLog = 0; - } - - // Free statement handle - if (dbIsOpen) - { - if (SQLFreeStmt(hstmt, SQL_DROP) != SQL_SUCCESS) - DispAllErrors(henv, hdbc); - } - - // Disconnect from the datasource - if (SQLDisconnect(hdbc) != SQL_SUCCESS) - DispAllErrors(henv, hdbc); - - // Free the connection to the datasource - if (SQLFreeConnect(hdbc) != SQL_SUCCESS) - DispAllErrors(henv, hdbc); - - // There should be zero Ctable objects still connected to this db object - assert(nTables == 0); - -#if __WXDEBUG__ > 0 - CstructTablesInUse *tiu; - wxNode *pNode; - pNode = TablesInUse.First(); - char s[80]; - char s2[80]; - while (pNode) - { - tiu = (CstructTablesInUse *)pNode->Data(); - if (tiu->pDb == this) - { - sprintf(s, "(%-20s) tableID:[%6lu] pDb:[%lu]", tiu->tableName,tiu->tableID,tiu->pDb); - sprintf(s2,"Orphaned found using pDb:[%lu]",this); - wxMessageBox (s,s2); - } - pNode = pNode->Next(); - } + DispAllErrors(henv, hdbc, hstmt); + SQLFreeStmt(hstmt, SQL_CLOSE); + return false; + } + + wxChar typeName[DB_TYPE_NAME_LEN+1]; + + // Obtain columns from the record + if (SQLGetData(hstmt, 1, SQL_C_WXCHAR, typeName, sizeof(typeName), &cbRet) != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc, hstmt)); + + structSQLTypeInfo.TypeName = typeName; + + // BJO 20000503: no more needed with new GetColumns... +#if OLD_GETCOLUMNS + // BJO 991209 + if (Dbms() == dbmsMY_SQL) + { + if (structSQLTypeInfo.TypeName == wxT("middleint")) + structSQLTypeInfo.TypeName = wxT("mediumint"); + else if (structSQLTypeInfo.TypeName == wxT("middleint unsigned")) + structSQLTypeInfo.TypeName = wxT("mediumint unsigned"); + else if (structSQLTypeInfo.TypeName == wxT("integer")) + structSQLTypeInfo.TypeName = wxT("int"); + else if (structSQLTypeInfo.TypeName == wxT("integer unsigned")) + structSQLTypeInfo.TypeName = wxT("int unsigned"); + else if (structSQLTypeInfo.TypeName == wxT("middleint")) + structSQLTypeInfo.TypeName = wxT("mediumint"); + else if (structSQLTypeInfo.TypeName == wxT("varchar")) + structSQLTypeInfo.TypeName = wxT("char"); + } + + // BJO 20000427 : OpenLink driver + if (!wxStrncmp(dbInf.driverName, wxT("oplodbc"), 7) || + !wxStrncmp(dbInf.driverName, wxT("OLOD"), 4)) + { + if (structSQLTypeInfo.TypeName == wxT("double precision")) + structSQLTypeInfo.TypeName = wxT("real"); + } #endif - // Copy the error messages to a global variable - for (int i = 0; i < DB_MAX_ERROR_HISTORY; i++) - strcpy(DBerrorList[i],errorList[i]); + if (SQLGetData(hstmt, 3, SQL_C_LONG, (UCHAR*) &structSQLTypeInfo.Precision, 0, &cbRet) != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc, hstmt)); + if (SQLGetData(hstmt, 8, SQL_C_SHORT, (UCHAR*) &structSQLTypeInfo.CaseSensitive, 0, &cbRet) != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc, hstmt)); +// if (SQLGetData(hstmt, 14, SQL_C_SHORT, (UCHAR*) &structSQLTypeInfo.MinimumScale, 0, &cbRet) != SQL_SUCCESS) +// return(DispAllErrors(henv, hdbc, hstmt)); + + if (SQLGetData(hstmt, 15, SQL_C_SHORT,(UCHAR*) &structSQLTypeInfo.MaximumScale, 0, &cbRet) != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc, hstmt)); + + if (structSQLTypeInfo.MaximumScale < 0) + structSQLTypeInfo.MaximumScale = 0; + + // Close the statement handle which closes open cursors + if (SQLFreeStmt(hstmt, SQL_CLOSE) != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc, hstmt)); + + // Completed Successfully + return true; -} // wxDB::Close() +} // wxDb::getDataTypeInfo() -/********** wxDB::CommitTrans() **********/ -bool wxDB::CommitTrans(void) + +/********** wxDb::Close() **********/ +void wxDb::Close(void) { - if (this) - { - // Commit the transaction - if (SQLTransact(henv, hdbc, SQL_COMMIT) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); - } + // Close the Sql Log file + if (fpSqlLog) + { + fclose(fpSqlLog); + fpSqlLog = 0; + } + + // Free statement handle + if (dbIsOpen) + { + if (SQLFreeStmt(hstmt, SQL_DROP) != SQL_SUCCESS) + DispAllErrors(henv, hdbc); + } + + // Disconnect from the datasource + if (SQLDisconnect(hdbc) != SQL_SUCCESS) + DispAllErrors(henv, hdbc); + + // Free the connection to the datasource + if (SQLFreeConnect(hdbc) != SQL_SUCCESS) + DispAllErrors(henv, hdbc); + + // There should be zero Ctable objects still connected to this db object + wxASSERT(nTables == 0); + +#ifdef __WXDEBUG__ + wxTablesInUse *tiu; + wxList::compatibility_iterator pNode; + pNode = TablesInUse.GetFirst(); + wxString s,s2; + while (pNode) + { + tiu = (wxTablesInUse *)pNode->GetData(); + if (tiu->pDb == this) + { + s.Printf(wxT("(%-20s) tableID:[%6lu] pDb:[%p]"), tiu->tableName,tiu->tableID,tiu->pDb); + s2.Printf(wxT("Orphaned table found using pDb:[%p]"),this); + wxLogDebug(s.c_str(),s2.c_str()); + } + pNode = pNode->GetNext(); + } +#endif + + // Copy the error messages to a global variable + int i; + for (i = 0; i < DB_MAX_ERROR_HISTORY; i++) + wxStrcpy(DBerrorList[i], errorList[i]); + + dbmsType = dbmsUNIDENTIFIED; + dbIsOpen = false; - // Completed successfully - return(TRUE); +} // wxDb::Close() -} // wxDB::CommitTrans() -/********** wxDB::RollbackTrans() **********/ -bool wxDB::RollbackTrans(void) +/********** wxDb::CommitTrans() **********/ +bool wxDb::CommitTrans(void) { - // Rollback the transaction - if (SQLTransact(henv, hdbc, SQL_ROLLBACK) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + if (this) + { + // Commit the transaction + if (SQLTransact(henv, hdbc, SQL_COMMIT) != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc)); + } - // Completed successfully - return(TRUE); + // Completed successfully + return true; -} // wxDB::RollbackTrans() +} // wxDb::CommitTrans() -/********** wxDB::DispAllErrors() **********/ -bool wxDB::DispAllErrors(HENV aHenv, HDBC aHdbc, HSTMT aHstmt) + +/********** wxDb::RollbackTrans() **********/ +bool wxDb::RollbackTrans(void) { - char odbcErrMsg[DB_MAX_ERROR_MSG_LEN]; + // Rollback the transaction + if (SQLTransact(henv, hdbc, SQL_ROLLBACK) != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc)); + + // Completed successfully + return true; + +} // wxDb::RollbackTrans() - while (SQLError(aHenv, aHdbc, aHstmt, (UCHAR FAR *) sqlState, &nativeError, (UCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS) - { - sprintf(odbcErrMsg, "SQL State = %s\nNative Error Code = %li\nError Message = %s\n", sqlState, nativeError, errorMsg); - logError(odbcErrMsg, sqlState); - if (!silent) - { + +/********** wxDb::DispAllErrors() **********/ +bool wxDb::DispAllErrors(HENV aHenv, HDBC aHdbc, HSTMT aHstmt) +/* + * This function is called internally whenever an error condition prevents the user's + * request from being executed. This function will query the datasource as to the + * actual error(s) that just occured on the previous request of the datasource. + * + * The function will retrieve each error condition from the datasource and + * Printf the codes/text values into a string which it then logs via logError(). + * If in DBDEBUG_CONSOLE mode, the constructed string will be displayed in the console + * window and program execution will be paused until the user presses a key. + * + * This function always returns a false, so that functions which call this function + * can have a line like "return (DispAllErrors(henv, hdbc));" to indicate the failure + * of the users request, so that the calling code can then process the error msg log + */ +{ + wxString odbcErrMsg; + +#ifdef __VMS + while (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, (SQLINTEGER *) &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS) +#else + while (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, (long*) &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS) +#endif + { + odbcErrMsg.Printf(wxT("SQL State = %s\nNative Error Code = %li\nError Message = %s\n"), sqlState, nativeError, errorMsg); + logError(odbcErrMsg, sqlState); + if (!silent) + { #ifdef DBDEBUG_CONSOLE - // When run in console mode, use standard out to display errors. - cout << odbcErrMsg << endl; - cout << "Press any key to continue..." << endl; - getchar(); + // When run in console mode, use standard out to display errors. + cout << odbcErrMsg.c_str() << endl; + cout << wxT("Press any key to continue...") << endl; + getchar(); #endif - } #ifdef __WXDEBUG__ - wxMessageBox(odbcErrMsg); + wxLogDebug(odbcErrMsg,wxT("ODBC DEBUG MESSAGE from DispAllErrors()")); #endif - } + } + } - return(FALSE); // This function always returns false. + return false; // This function always returns false. -} // wxDB::DispAllErrors() +} // wxDb::DispAllErrors() -/********** wxDB::GetNextError() **********/ -bool wxDB::GetNextError(HENV aHenv, HDBC aHdbc, HSTMT aHstmt) + +/********** wxDb::GetNextError() **********/ +bool wxDb::GetNextError(HENV aHenv, HDBC aHdbc, HSTMT aHstmt) { - if (SQLError(aHenv, aHdbc, aHstmt, (UCHAR FAR *) sqlState, &nativeError, (UCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS) - return(TRUE); - else - return(FALSE); +#ifdef __VMS + if (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, (SQLINTEGER *) &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS) +#else + if (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, (long*) &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS) +#endif + return true; + else + return false; + +} // wxDb::GetNextError() -} // wxDB::GetNextError() -/********** wxDB::DispNextError() **********/ -void wxDB::DispNextError(void) +/********** wxDb::DispNextError() **********/ +void wxDb::DispNextError(void) { - char odbcErrMsg[DB_MAX_ERROR_MSG_LEN]; + wxString odbcErrMsg; - sprintf(odbcErrMsg, "SQL State = %s\nNative Error Code = %li\nError Message = %s\n", sqlState, nativeError, errorMsg); - logError(odbcErrMsg, sqlState); + odbcErrMsg.Printf(wxT("SQL State = %s\nNative Error Code = %li\nError Message = %s\n"), sqlState, nativeError, errorMsg); + logError(odbcErrMsg, sqlState); - if (silent) - return; + if (silent) + return; #ifdef DBDEBUG_CONSOLE - // When run in console mode, use standard out to display errors. - cout << odbcErrMsg << endl; - cout << "Press any key to continue..." << endl; - getchar(); + // When run in console mode, use standard out to display errors. + cout << odbcErrMsg.c_str() << endl; + cout << wxT("Press any key to continue...") << endl; + getchar(); #endif -} // wxDB::DispNextError() - -/********** wxDB::logError() **********/ -void wxDB::logError(char *errMsg, char *SQLState) -{ - assert(errMsg && strlen(errMsg)); - - static int pLast = -1; - int dbStatus; - - if (++pLast == DB_MAX_ERROR_HISTORY) - { - int i; - for (i = 0; i < DB_MAX_ERROR_HISTORY; i++) - strcpy(errorList[i], errorList[i+1]); - pLast--; - } - - strcpy(errorList[pLast], errMsg); - - if (SQLState && strlen(SQLState)) - if ((dbStatus = TranslateSqlState(SQLState)) != DB_ERR_FUNCTION_SEQUENCE_ERROR) - DB_STATUS = dbStatus; - - // Add the errmsg to the sql log - WriteSqlLog(errMsg); - -} // wxDB::logError() - -/**********wxDB::TranslateSqlState() **********/ -int wxDB::TranslateSqlState(char *SQLState) -{ - if (!strcmp(SQLState, "01000")) - return(DB_ERR_GENERAL_WARNING); - if (!strcmp(SQLState, "01002")) - return(DB_ERR_DISCONNECT_ERROR); - if (!strcmp(SQLState, "01004")) - return(DB_ERR_DATA_TRUNCATED); - if (!strcmp(SQLState, "01006")) - return(DB_ERR_PRIV_NOT_REVOKED); - if (!strcmp(SQLState, "01S00")) - return(DB_ERR_INVALID_CONN_STR_ATTR); - if (!strcmp(SQLState, "01S01")) - return(DB_ERR_ERROR_IN_ROW); - if (!strcmp(SQLState, "01S02")) - return(DB_ERR_OPTION_VALUE_CHANGED); - if (!strcmp(SQLState, "01S03")) - return(DB_ERR_NO_ROWS_UPD_OR_DEL); - if (!strcmp(SQLState, "01S04")) - return(DB_ERR_MULTI_ROWS_UPD_OR_DEL); - if (!strcmp(SQLState, "07001")) - return(DB_ERR_WRONG_NO_OF_PARAMS); - if (!strcmp(SQLState, "07006")) - return(DB_ERR_DATA_TYPE_ATTR_VIOL); - if (!strcmp(SQLState, "08001")) - return(DB_ERR_UNABLE_TO_CONNECT); - if (!strcmp(SQLState, "08002")) - return(DB_ERR_CONNECTION_IN_USE); - if (!strcmp(SQLState, "08003")) - return(DB_ERR_CONNECTION_NOT_OPEN); - if (!strcmp(SQLState, "08004")) - return(DB_ERR_REJECTED_CONNECTION); - if (!strcmp(SQLState, "08007")) - return(DB_ERR_CONN_FAIL_IN_TRANS); - if (!strcmp(SQLState, "08S01")) - return(DB_ERR_COMM_LINK_FAILURE); - if (!strcmp(SQLState, "21S01")) - return(DB_ERR_INSERT_VALUE_LIST_MISMATCH); - if (!strcmp(SQLState, "21S02")) - return(DB_ERR_DERIVED_TABLE_MISMATCH); - if (!strcmp(SQLState, "22001")) - return(DB_ERR_STRING_RIGHT_TRUNC); - if (!strcmp(SQLState, "22003")) - return(DB_ERR_NUMERIC_VALUE_OUT_OF_RNG); - if (!strcmp(SQLState, "22005")) - return(DB_ERR_ERROR_IN_ASSIGNMENT); - if (!strcmp(SQLState, "22008")) - return(DB_ERR_DATETIME_FLD_OVERFLOW); - if (!strcmp(SQLState, "22012")) - return(DB_ERR_DIVIDE_BY_ZERO); - if (!strcmp(SQLState, "22026")) - return(DB_ERR_STR_DATA_LENGTH_MISMATCH); - if (!strcmp(SQLState, "23000")) - return(DB_ERR_INTEGRITY_CONSTRAINT_VIOL); - if (!strcmp(SQLState, "24000")) - return(DB_ERR_INVALID_CURSOR_STATE); - if (!strcmp(SQLState, "25000")) - return(DB_ERR_INVALID_TRANS_STATE); - if (!strcmp(SQLState, "28000")) - return(DB_ERR_INVALID_AUTH_SPEC); - if (!strcmp(SQLState, "34000")) - return(DB_ERR_INVALID_CURSOR_NAME); - if (!strcmp(SQLState, "37000")) - return(DB_ERR_SYNTAX_ERROR_OR_ACCESS_VIOL); - if (!strcmp(SQLState, "3C000")) - return(DB_ERR_DUPLICATE_CURSOR_NAME); - if (!strcmp(SQLState, "40001")) - return(DB_ERR_SERIALIZATION_FAILURE); - if (!strcmp(SQLState, "42000")) - return(DB_ERR_SYNTAX_ERROR_OR_ACCESS_VIOL2); - if (!strcmp(SQLState, "70100")) - return(DB_ERR_OPERATION_ABORTED); - if (!strcmp(SQLState, "IM001")) - return(DB_ERR_UNSUPPORTED_FUNCTION); - if (!strcmp(SQLState, "IM002")) - return(DB_ERR_NO_DATA_SOURCE); - if (!strcmp(SQLState, "IM003")) - return(DB_ERR_DRIVER_LOAD_ERROR); - if (!strcmp(SQLState, "IM004")) - return(DB_ERR_SQLALLOCENV_FAILED); - if (!strcmp(SQLState, "IM005")) - return(DB_ERR_SQLALLOCCONNECT_FAILED); - if (!strcmp(SQLState, "IM006")) - return(DB_ERR_SQLSETCONNECTOPTION_FAILED); - if (!strcmp(SQLState, "IM007")) - return(DB_ERR_NO_DATA_SOURCE_DLG_PROHIB); - if (!strcmp(SQLState, "IM008")) - return(DB_ERR_DIALOG_FAILED); - if (!strcmp(SQLState, "IM009")) - return(DB_ERR_UNABLE_TO_LOAD_TRANSLATION_DLL); - if (!strcmp(SQLState, "IM010")) - return(DB_ERR_DATA_SOURCE_NAME_TOO_LONG); - if (!strcmp(SQLState, "IM011")) - return(DB_ERR_DRIVER_NAME_TOO_LONG); - if (!strcmp(SQLState, "IM012")) - return(DB_ERR_DRIVER_KEYWORD_SYNTAX_ERROR); - if (!strcmp(SQLState, "IM013")) - return(DB_ERR_TRACE_FILE_ERROR); - if (!strcmp(SQLState, "S0001")) - return(DB_ERR_TABLE_OR_VIEW_ALREADY_EXISTS); - if (!strcmp(SQLState, "S0002")) - return(DB_ERR_TABLE_NOT_FOUND); - if (!strcmp(SQLState, "S0011")) - return(DB_ERR_INDEX_ALREADY_EXISTS); - if (!strcmp(SQLState, "S0012")) - return(DB_ERR_INDEX_NOT_FOUND); - if (!strcmp(SQLState, "S0021")) - return(DB_ERR_COLUMN_ALREADY_EXISTS); - if (!strcmp(SQLState, "S0022")) - return(DB_ERR_COLUMN_NOT_FOUND); - if (!strcmp(SQLState, "S0023")) - return(DB_ERR_NO_DEFAULT_FOR_COLUMN); - if (!strcmp(SQLState, "S1000")) - return(DB_ERR_GENERAL_ERROR); - if (!strcmp(SQLState, "S1001")) - return(DB_ERR_MEMORY_ALLOCATION_FAILURE); - if (!strcmp(SQLState, "S1002")) - return(DB_ERR_INVALID_COLUMN_NUMBER); - if (!strcmp(SQLState, "S1003")) - return(DB_ERR_PROGRAM_TYPE_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1004")) - return(DB_ERR_SQL_DATA_TYPE_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1008")) - return(DB_ERR_OPERATION_CANCELLED); - if (!strcmp(SQLState, "S1009")) - return(DB_ERR_INVALID_ARGUMENT_VALUE); - if (!strcmp(SQLState, "S1010")) - return(DB_ERR_FUNCTION_SEQUENCE_ERROR); - if (!strcmp(SQLState, "S1011")) - return(DB_ERR_OPERATION_INVALID_AT_THIS_TIME); - if (!strcmp(SQLState, "S1012")) - return(DB_ERR_INVALID_TRANS_OPERATION_CODE); - if (!strcmp(SQLState, "S1015")) - return(DB_ERR_NO_CURSOR_NAME_AVAIL); - if (!strcmp(SQLState, "S1090")) - return(DB_ERR_INVALID_STR_OR_BUF_LEN); - if (!strcmp(SQLState, "S1091")) - return(DB_ERR_DESCRIPTOR_TYPE_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1092")) - return(DB_ERR_OPTION_TYPE_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1093")) - return(DB_ERR_INVALID_PARAM_NO); - if (!strcmp(SQLState, "S1094")) - return(DB_ERR_INVALID_SCALE_VALUE); - if (!strcmp(SQLState, "S1095")) - return(DB_ERR_FUNCTION_TYPE_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1096")) - return(DB_ERR_INF_TYPE_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1097")) - return(DB_ERR_COLUMN_TYPE_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1098")) - return(DB_ERR_SCOPE_TYPE_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1099")) - return(DB_ERR_NULLABLE_TYPE_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1100")) - return(DB_ERR_UNIQUENESS_OPTION_TYPE_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1101")) - return(DB_ERR_ACCURACY_OPTION_TYPE_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1103")) - return(DB_ERR_DIRECTION_OPTION_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1104")) - return(DB_ERR_INVALID_PRECISION_VALUE); - if (!strcmp(SQLState, "S1105")) - return(DB_ERR_INVALID_PARAM_TYPE); - if (!strcmp(SQLState, "S1106")) - return(DB_ERR_FETCH_TYPE_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1107")) - return(DB_ERR_ROW_VALUE_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1108")) - return(DB_ERR_CONCURRENCY_OPTION_OUT_OF_RANGE); - if (!strcmp(SQLState, "S1109")) - return(DB_ERR_INVALID_CURSOR_POSITION); - if (!strcmp(SQLState, "S1110")) - return(DB_ERR_INVALID_DRIVER_COMPLETION); - if (!strcmp(SQLState, "S1111")) - return(DB_ERR_INVALID_BOOKMARK_VALUE); - if (!strcmp(SQLState, "S1C00")) - return(DB_ERR_DRIVER_NOT_CAPABLE); - if (!strcmp(SQLState, "S1T00")) - return(DB_ERR_TIMEOUT_EXPIRED); - - // No match - return(0); - -} // wxDB::TranslateSqlState() - -/********** wxDB::Grant() **********/ -bool wxDB::Grant(int privileges, char *tableName, char *userList) -{ - char sqlStmt[DB_MAX_STATEMENT_LEN]; - - // Build the grant statement - strcpy(sqlStmt, "GRANT "); - if (privileges == DB_GRANT_ALL) - strcat(sqlStmt, "ALL"); - else - { - int c = 0; - if (privileges & DB_GRANT_SELECT) - { - strcat(sqlStmt, "SELECT"); - c++; - } - if (privileges & DB_GRANT_INSERT) - { - if (c++) - strcat(sqlStmt, ", "); - strcat(sqlStmt, "INSERT"); - } - if (privileges & DB_GRANT_UPDATE) - { - if (c++) - strcat(sqlStmt, ", "); - strcat(sqlStmt, "UPDATE"); - } - if (privileges & DB_GRANT_DELETE) - { - if (c++) - strcat(sqlStmt, ", "); - strcat(sqlStmt, "DELETE"); - } - } - - strcat(sqlStmt, " ON "); - strcat(sqlStmt, tableName); - strcat(sqlStmt, " TO "); - strcat(sqlStmt, userList); +#ifdef __WXDEBUG__ + wxLogDebug(odbcErrMsg,wxT("ODBC DEBUG MESSAGE")); +#endif // __WXDEBUG__ + +} // wxDb::DispNextError() + + +/********** wxDb::logError() **********/ +void wxDb::logError(const wxString &errMsg, const wxString &SQLState) +{ + wxASSERT(errMsg.Length()); + + static int pLast = -1; + int dbStatus; + + if (++pLast == DB_MAX_ERROR_HISTORY) + { + int i; + for (i = 0; i < DB_MAX_ERROR_HISTORY-1; i++) + wxStrcpy(errorList[i], errorList[i+1]); + pLast--; + } + + wxStrncpy(errorList[pLast], errMsg, DB_MAX_ERROR_MSG_LEN); + errorList[pLast][DB_MAX_ERROR_MSG_LEN] = 0; + + if (SQLState.Length()) + if ((dbStatus = TranslateSqlState(SQLState)) != DB_ERR_FUNCTION_SEQUENCE_ERROR) + DB_STATUS = dbStatus; + + // Add the errmsg to the sql log + WriteSqlLog(errMsg); + +} // wxDb::logError() + + +/**********wxDb::TranslateSqlState() **********/ +int wxDb::TranslateSqlState(const wxString &SQLState) +{ + if (!wxStrcmp(SQLState, wxT("01000"))) + return(DB_ERR_GENERAL_WARNING); + if (!wxStrcmp(SQLState, wxT("01002"))) + return(DB_ERR_DISCONNECT_ERROR); + if (!wxStrcmp(SQLState, wxT("01004"))) + return(DB_ERR_DATA_TRUNCATED); + if (!wxStrcmp(SQLState, wxT("01006"))) + return(DB_ERR_PRIV_NOT_REVOKED); + if (!wxStrcmp(SQLState, wxT("01S00"))) + return(DB_ERR_INVALID_CONN_STR_ATTR); + if (!wxStrcmp(SQLState, wxT("01S01"))) + return(DB_ERR_ERROR_IN_ROW); + if (!wxStrcmp(SQLState, wxT("01S02"))) + return(DB_ERR_OPTION_VALUE_CHANGED); + if (!wxStrcmp(SQLState, wxT("01S03"))) + return(DB_ERR_NO_ROWS_UPD_OR_DEL); + if (!wxStrcmp(SQLState, wxT("01S04"))) + return(DB_ERR_MULTI_ROWS_UPD_OR_DEL); + if (!wxStrcmp(SQLState, wxT("07001"))) + return(DB_ERR_WRONG_NO_OF_PARAMS); + if (!wxStrcmp(SQLState, wxT("07006"))) + return(DB_ERR_DATA_TYPE_ATTR_VIOL); + if (!wxStrcmp(SQLState, wxT("08001"))) + return(DB_ERR_UNABLE_TO_CONNECT); + if (!wxStrcmp(SQLState, wxT("08002"))) + return(DB_ERR_CONNECTION_IN_USE); + if (!wxStrcmp(SQLState, wxT("08003"))) + return(DB_ERR_CONNECTION_NOT_OPEN); + if (!wxStrcmp(SQLState, wxT("08004"))) + return(DB_ERR_REJECTED_CONNECTION); + if (!wxStrcmp(SQLState, wxT("08007"))) + return(DB_ERR_CONN_FAIL_IN_TRANS); + if (!wxStrcmp(SQLState, wxT("08S01"))) + return(DB_ERR_COMM_LINK_FAILURE); + if (!wxStrcmp(SQLState, wxT("21S01"))) + return(DB_ERR_INSERT_VALUE_LIST_MISMATCH); + if (!wxStrcmp(SQLState, wxT("21S02"))) + return(DB_ERR_DERIVED_TABLE_MISMATCH); + if (!wxStrcmp(SQLState, wxT("22001"))) + return(DB_ERR_STRING_RIGHT_TRUNC); + if (!wxStrcmp(SQLState, wxT("22003"))) + return(DB_ERR_NUMERIC_VALUE_OUT_OF_RNG); + if (!wxStrcmp(SQLState, wxT("22005"))) + return(DB_ERR_ERROR_IN_ASSIGNMENT); + if (!wxStrcmp(SQLState, wxT("22008"))) + return(DB_ERR_DATETIME_FLD_OVERFLOW); + if (!wxStrcmp(SQLState, wxT("22012"))) + return(DB_ERR_DIVIDE_BY_ZERO); + if (!wxStrcmp(SQLState, wxT("22026"))) + return(DB_ERR_STR_DATA_LENGTH_MISMATCH); + if (!wxStrcmp(SQLState, wxT("23000"))) + return(DB_ERR_INTEGRITY_CONSTRAINT_VIOL); + if (!wxStrcmp(SQLState, wxT("24000"))) + return(DB_ERR_INVALID_CURSOR_STATE); + if (!wxStrcmp(SQLState, wxT("25000"))) + return(DB_ERR_INVALID_TRANS_STATE); + if (!wxStrcmp(SQLState, wxT("28000"))) + return(DB_ERR_INVALID_AUTH_SPEC); + if (!wxStrcmp(SQLState, wxT("34000"))) + return(DB_ERR_INVALID_CURSOR_NAME); + if (!wxStrcmp(SQLState, wxT("37000"))) + return(DB_ERR_SYNTAX_ERROR_OR_ACCESS_VIOL); + if (!wxStrcmp(SQLState, wxT("3C000"))) + return(DB_ERR_DUPLICATE_CURSOR_NAME); + if (!wxStrcmp(SQLState, wxT("40001"))) + return(DB_ERR_SERIALIZATION_FAILURE); + if (!wxStrcmp(SQLState, wxT("42000"))) + return(DB_ERR_SYNTAX_ERROR_OR_ACCESS_VIOL2); + if (!wxStrcmp(SQLState, wxT("70100"))) + return(DB_ERR_OPERATION_ABORTED); + if (!wxStrcmp(SQLState, wxT("IM001"))) + return(DB_ERR_UNSUPPORTED_FUNCTION); + if (!wxStrcmp(SQLState, wxT("IM002"))) + return(DB_ERR_NO_DATA_SOURCE); + if (!wxStrcmp(SQLState, wxT("IM003"))) + return(DB_ERR_DRIVER_LOAD_ERROR); + if (!wxStrcmp(SQLState, wxT("IM004"))) + return(DB_ERR_SQLALLOCENV_FAILED); + if (!wxStrcmp(SQLState, wxT("IM005"))) + return(DB_ERR_SQLALLOCCONNECT_FAILED); + if (!wxStrcmp(SQLState, wxT("IM006"))) + return(DB_ERR_SQLSETCONNECTOPTION_FAILED); + if (!wxStrcmp(SQLState, wxT("IM007"))) + return(DB_ERR_NO_DATA_SOURCE_DLG_PROHIB); + if (!wxStrcmp(SQLState, wxT("IM008"))) + return(DB_ERR_DIALOG_FAILED); + if (!wxStrcmp(SQLState, wxT("IM009"))) + return(DB_ERR_UNABLE_TO_LOAD_TRANSLATION_DLL); + if (!wxStrcmp(SQLState, wxT("IM010"))) + return(DB_ERR_DATA_SOURCE_NAME_TOO_LONG); + if (!wxStrcmp(SQLState, wxT("IM011"))) + return(DB_ERR_DRIVER_NAME_TOO_LONG); + if (!wxStrcmp(SQLState, wxT("IM012"))) + return(DB_ERR_DRIVER_KEYWORD_SYNTAX_ERROR); + if (!wxStrcmp(SQLState, wxT("IM013"))) + return(DB_ERR_TRACE_FILE_ERROR); + if (!wxStrcmp(SQLState, wxT("S0001"))) + return(DB_ERR_TABLE_OR_VIEW_ALREADY_EXISTS); + if (!wxStrcmp(SQLState, wxT("S0002"))) + return(DB_ERR_TABLE_NOT_FOUND); + if (!wxStrcmp(SQLState, wxT("S0011"))) + return(DB_ERR_INDEX_ALREADY_EXISTS); + if (!wxStrcmp(SQLState, wxT("S0012"))) + return(DB_ERR_INDEX_NOT_FOUND); + if (!wxStrcmp(SQLState, wxT("S0021"))) + return(DB_ERR_COLUMN_ALREADY_EXISTS); + if (!wxStrcmp(SQLState, wxT("S0022"))) + return(DB_ERR_COLUMN_NOT_FOUND); + if (!wxStrcmp(SQLState, wxT("S0023"))) + return(DB_ERR_NO_DEFAULT_FOR_COLUMN); + if (!wxStrcmp(SQLState, wxT("S1000"))) + return(DB_ERR_GENERAL_ERROR); + if (!wxStrcmp(SQLState, wxT("S1001"))) + return(DB_ERR_MEMORY_ALLOCATION_FAILURE); + if (!wxStrcmp(SQLState, wxT("S1002"))) + return(DB_ERR_INVALID_COLUMN_NUMBER); + if (!wxStrcmp(SQLState, wxT("S1003"))) + return(DB_ERR_PROGRAM_TYPE_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1004"))) + return(DB_ERR_SQL_DATA_TYPE_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1008"))) + return(DB_ERR_OPERATION_CANCELLED); + if (!wxStrcmp(SQLState, wxT("S1009"))) + return(DB_ERR_INVALID_ARGUMENT_VALUE); + if (!wxStrcmp(SQLState, wxT("S1010"))) + return(DB_ERR_FUNCTION_SEQUENCE_ERROR); + if (!wxStrcmp(SQLState, wxT("S1011"))) + return(DB_ERR_OPERATION_INVALID_AT_THIS_TIME); + if (!wxStrcmp(SQLState, wxT("S1012"))) + return(DB_ERR_INVALID_TRANS_OPERATION_CODE); + if (!wxStrcmp(SQLState, wxT("S1015"))) + return(DB_ERR_NO_CURSOR_NAME_AVAIL); + if (!wxStrcmp(SQLState, wxT("S1090"))) + return(DB_ERR_INVALID_STR_OR_BUF_LEN); + if (!wxStrcmp(SQLState, wxT("S1091"))) + return(DB_ERR_DESCRIPTOR_TYPE_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1092"))) + return(DB_ERR_OPTION_TYPE_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1093"))) + return(DB_ERR_INVALID_PARAM_NO); + if (!wxStrcmp(SQLState, wxT("S1094"))) + return(DB_ERR_INVALID_SCALE_VALUE); + if (!wxStrcmp(SQLState, wxT("S1095"))) + return(DB_ERR_FUNCTION_TYPE_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1096"))) + return(DB_ERR_INF_TYPE_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1097"))) + return(DB_ERR_COLUMN_TYPE_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1098"))) + return(DB_ERR_SCOPE_TYPE_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1099"))) + return(DB_ERR_NULLABLE_TYPE_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1100"))) + return(DB_ERR_UNIQUENESS_OPTION_TYPE_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1101"))) + return(DB_ERR_ACCURACY_OPTION_TYPE_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1103"))) + return(DB_ERR_DIRECTION_OPTION_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1104"))) + return(DB_ERR_INVALID_PRECISION_VALUE); + if (!wxStrcmp(SQLState, wxT("S1105"))) + return(DB_ERR_INVALID_PARAM_TYPE); + if (!wxStrcmp(SQLState, wxT("S1106"))) + return(DB_ERR_FETCH_TYPE_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1107"))) + return(DB_ERR_ROW_VALUE_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1108"))) + return(DB_ERR_CONCURRENCY_OPTION_OUT_OF_RANGE); + if (!wxStrcmp(SQLState, wxT("S1109"))) + return(DB_ERR_INVALID_CURSOR_POSITION); + if (!wxStrcmp(SQLState, wxT("S1110"))) + return(DB_ERR_INVALID_DRIVER_COMPLETION); + if (!wxStrcmp(SQLState, wxT("S1111"))) + return(DB_ERR_INVALID_BOOKMARK_VALUE); + if (!wxStrcmp(SQLState, wxT("S1C00"))) + return(DB_ERR_DRIVER_NOT_CAPABLE); + if (!wxStrcmp(SQLState, wxT("S1T00"))) + return(DB_ERR_TIMEOUT_EXPIRED); + + // No match + return(0); + +} // wxDb::TranslateSqlState() + + +/********** wxDb::Grant() **********/ +bool wxDb::Grant(int privileges, const wxString &tableName, const wxString &userList) +{ + wxString sqlStmt; + + // Build the grant statement + sqlStmt = wxT("GRANT "); + if (privileges == DB_GRANT_ALL) + sqlStmt += wxT("ALL"); + else + { + int c = 0; + if (privileges & DB_GRANT_SELECT) + { + sqlStmt += wxT("SELECT"); + c++; + } + if (privileges & DB_GRANT_INSERT) + { + if (c++) + sqlStmt += wxT(", "); + sqlStmt += wxT("INSERT"); + } + if (privileges & DB_GRANT_UPDATE) + { + if (c++) + sqlStmt += wxT(", "); + sqlStmt += wxT("UPDATE"); + } + if (privileges & DB_GRANT_DELETE) + { + if (c++) + sqlStmt += wxT(", "); + sqlStmt += wxT("DELETE"); + } + } + + sqlStmt += wxT(" ON "); + sqlStmt += SQLTableName(tableName); + sqlStmt += wxT(" TO "); + sqlStmt += userList; #ifdef DBDEBUG_CONSOLE - cout << endl << sqlStmt << endl; + cout << endl << sqlStmt.c_str() << endl; #endif - WriteSqlLog(sqlStmt); + WriteSqlLog(sqlStmt); + + return(ExecSql(sqlStmt)); - return(ExecSql(sqlStmt)); +} // wxDb::Grant() -} // wxDB::Grant() -/********** wxDB::CreateView() **********/ -bool wxDB::CreateView(char *viewName, char *colList, char *pSqlStmt, bool attemptDrop) +/********** wxDb::CreateView() **********/ +bool wxDb::CreateView(const wxString &viewName, const wxString &colList, + const wxString &pSqlStmt, bool attemptDrop) { - char sqlStmt[DB_MAX_STATEMENT_LEN]; + wxString sqlStmt; + + // Drop the view first + if (attemptDrop && !DropView(viewName)) + return false; - // Drop the view first - if (attemptDrop && !DropView(viewName)) - return FALSE; + // Build the create view statement + sqlStmt = wxT("CREATE VIEW "); + sqlStmt += viewName; - // Build the create view statement - strcpy(sqlStmt, "CREATE VIEW "); - strcat(sqlStmt, viewName); - - if (strlen(colList)) - { - strcat(sqlStmt, " ("); - strcat(sqlStmt, colList); - strcat(sqlStmt, ")"); - } + if (colList.Length()) + { + sqlStmt += wxT(" ("); + sqlStmt += colList; + sqlStmt += wxT(")"); + } - strcat(sqlStmt, " AS "); - strcat(sqlStmt, pSqlStmt); + sqlStmt += wxT(" AS "); + sqlStmt += pSqlStmt; - WriteSqlLog(sqlStmt); + WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE - cout << sqlStmt << endl; + cout << sqlStmt.c_str() << endl; #endif - return(ExecSql(sqlStmt)); + return(ExecSql(sqlStmt)); -} // wxDB::CreateView() +} // wxDb::CreateView() -/********** wxDB::DropView() **********/ -bool wxDB::DropView(char *viewName) -{ - // NOTE: This function returns TRUE if the View does not exist, but - // only for identified databases. Code will need to be added - // below for any other databases when those databases are defined - // to handle this situation consistently - char sqlStmt[DB_MAX_STATEMENT_LEN]; +/********** wxDb::DropView() **********/ +bool wxDb::DropView(const wxString &viewName) +{ +/* + * NOTE: This function returns true if the View does not exist, but + * only for identified databases. Code will need to be added + * below for any other databases when those databases are defined + * to handle this situation consistently + */ + wxString sqlStmt; - sprintf(sqlStmt, "DROP VIEW %s", viewName); + sqlStmt.Printf(wxT("DROP VIEW %s"), viewName.c_str()); - WriteSqlLog(sqlStmt); + WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE - cout << endl << sqlStmt << endl; + cout << endl << sqlStmt.c_str() << endl; +#endif + + if (SQLExecDirect(hstmt, (SQLTCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) + { + // Check for "Base table not found" error and ignore + GetNextError(henv, hdbc, hstmt); + if (wxStrcmp(sqlState,wxT("S0002"))) // "Base table not found" + { + // Check for product specific error codes + if (!((Dbms() == dbmsSYBASE_ASA && !wxStrcmp(sqlState,wxT("42000"))))) // 5.x (and lower?) + { + DispNextError(); + DispAllErrors(henv, hdbc, hstmt); + RollbackTrans(); + return false; + } + } + } + + // Commit the transaction + if (!CommitTrans()) + return false; + + return true; + +} // wxDb::DropView() + + +/********** wxDb::ExecSql() **********/ +bool wxDb::ExecSql(const wxString &pSqlStmt) +{ + RETCODE retcode; + + SQLFreeStmt(hstmt, SQL_CLOSE); + + retcode = SQLExecDirect(hstmt, (SQLTCHAR FAR *) pSqlStmt.c_str(), SQL_NTS); + if (retcode == SQL_SUCCESS || + (Dbms() == dbmsDB2 && (retcode == SQL_SUCCESS_WITH_INFO || retcode == SQL_NO_DATA_FOUND))) + { + return true; + } + else + { + DispAllErrors(henv, hdbc, hstmt); + return false; + } + +} // wxDb::ExecSql() + + +/********** wxDb::ExecSql() with column info **********/ +bool wxDb::ExecSql(const wxString &pSqlStmt, wxDbColInf** columns, short& numcols) +{ + //execute the statement first + if (!ExecSql(pSqlStmt)) + return false; + + SWORD noCols; + if (SQLNumResultCols(hstmt, &noCols) != SQL_SUCCESS) + { + DispAllErrors(henv, hdbc, hstmt); + return false; + } + + if (noCols == 0) + return false; + else + numcols = noCols; + + // Get column information + short colNum; + wxChar name[DB_MAX_COLUMN_NAME_LEN+1]; + SWORD Sword; + SDWORD Sdword; + wxDbColInf* pColInf = new wxDbColInf[noCols]; + + // Fill in column information (name, datatype) + for (colNum = 0; colNum < noCols; colNum++) + { + if (SQLColAttributes(hstmt, (UWORD)(colNum+1), SQL_COLUMN_NAME, + name, sizeof(name), + &Sword, &Sdword) != SQL_SUCCESS) + { + DispAllErrors(henv, hdbc, hstmt); + delete[] pColInf; + return false; + } + + wxStrncpy(pColInf[colNum].colName, name, DB_MAX_COLUMN_NAME_LEN); + pColInf[colNum].colName[DB_MAX_COLUMN_NAME_LEN] = 0; // Prevent buffer overrun + + if (SQLColAttributes(hstmt, (UWORD)(colNum+1), SQL_COLUMN_TYPE, + NULL, 0, &Sword, &Sdword) != SQL_SUCCESS) + { + DispAllErrors(henv, hdbc, hstmt); + delete[] pColInf; + return false; + } + + switch (Sdword) + { +#if wxUSE_UNICODE + #if defined(SQL_WCHAR) + case SQL_WCHAR: + #endif + #if defined(SQL_WVARCHAR) + case SQL_WVARCHAR: + #endif +#endif + case SQL_VARCHAR: + case SQL_CHAR: + pColInf[colNum].dbDataType = DB_DATA_TYPE_VARCHAR; + break; + case SQL_TINYINT: + case SQL_SMALLINT: + case SQL_INTEGER: + case SQL_BIT: + pColInf[colNum].dbDataType = DB_DATA_TYPE_INTEGER; + break; + case SQL_DOUBLE: + case SQL_DECIMAL: + case SQL_NUMERIC: + case SQL_FLOAT: + case SQL_REAL: + pColInf[colNum].dbDataType = DB_DATA_TYPE_FLOAT; + break; + case SQL_DATE: + case SQL_TIMESTAMP: + pColInf[colNum].dbDataType = DB_DATA_TYPE_DATE; + break; + case SQL_BINARY: + pColInf[colNum].dbDataType = DB_DATA_TYPE_BLOB; + break; +#ifdef __WXDEBUG__ + default: + wxString errMsg; + errMsg.Printf(wxT("SQL Data type %ld currently not supported by wxWidgets"), (long)Sdword); + wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE")); +#endif + } + } + + *columns = pColInf; + return true; +} // wxDb::ExecSql() + +/********** wxDb::GetNext() **********/ +bool wxDb::GetNext(void) +{ + if (SQLFetch(hstmt) == SQL_SUCCESS) + return true; + else + { + DispAllErrors(henv, hdbc, hstmt); + return false; + } + +} // wxDb::GetNext() + + +/********** wxDb::GetData() **********/ +bool wxDb::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FAR *cbReturned) +{ + wxASSERT(pData); + wxASSERT(cbReturned); + + long bufferSize = maxLen; + + if (cType == SQL_C_WXCHAR) + bufferSize = maxLen * sizeof(wxChar); + + if (SQLGetData(hstmt, colNo, cType, pData, bufferSize, cbReturned) == SQL_SUCCESS) + return true; + else + { + DispAllErrors(henv, hdbc, hstmt); + return false; + } + +} // wxDb::GetData() + + +/********** wxDb::GetKeyFields() **********/ +int wxDb::GetKeyFields(const wxString &tableName, wxDbColInf* colInf, UWORD noCols) +{ + wxChar szPkTable[DB_MAX_TABLE_NAME_LEN+1]; /* Primary key table name */ + wxChar szFkTable[DB_MAX_TABLE_NAME_LEN+1]; /* Foreign key table name */ + SWORD iKeySeq; + wxChar szPkCol[DB_MAX_COLUMN_NAME_LEN+1]; /* Primary key column */ + wxChar szFkCol[DB_MAX_COLUMN_NAME_LEN+1]; /* Foreign key column */ + SQLRETURN retcode; + SDWORD cb; + SWORD i; + wxString tempStr; + /* + * ----------------------------------------------------------------------- + * -- 19991224 : mj10777 : Create ------ + * -- : Three things are done and stored here : ------ + * -- : 1) which Column(s) is/are Primary Key(s) ------ + * -- : 2) which tables use this Key as a Foreign Key ------ + * -- : 3) which columns are Foreign Key and the name ------ + * -- : of the Table where the Key is the Primary Key ----- + * -- : Called from GetColumns(const wxString &tableName, ------ + * -- int *numCols,const wxChar *userID ) ------ + * ----------------------------------------------------------------------- + */ + + /*---------------------------------------------------------------------*/ + /* Get the names of the columns in the primary key. */ + /*---------------------------------------------------------------------*/ + retcode = SQLPrimaryKeys(hstmt, + NULL, 0, /* Catalog name */ + NULL, 0, /* Schema name */ + (SQLTCHAR FAR *) tableName.c_str(), SQL_NTS); /* Table name */ + + /*---------------------------------------------------------------------*/ + /* Fetch and display the result set. This will be a list of the */ + /* columns in the primary key of the tableName table. */ + /*---------------------------------------------------------------------*/ + while ((retcode == SQL_SUCCESS) || (retcode == SQL_SUCCESS_WITH_INFO)) + { + retcode = SQLFetch(hstmt); + if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO) + { + GetData( 4, SQL_C_WXCHAR, szPkCol, DB_MAX_COLUMN_NAME_LEN+1, &cb); + GetData( 5, SQL_C_SSHORT, &iKeySeq, 0, &cb); + //------- + for (i=0;iGetColumns(tableList, userID); + * if (colInf) + * { + * // Use the column inf + * ....... + * // Destroy the memory + * delete [] colInf; + * } + * + * userID is evaluated in the following manner: + * userID == NULL ... UserID is ignored + * userID == "" ... UserID set equal to 'this->uid' + * userID != "" ... UserID set equal to 'userID' + * + * NOTE: ALL column bindings associated with this wxDb instance are unbound + * by this function. This function should use its own wxDb instance + * to avoid undesired unbinding of columns. + */ +{ + UWORD noCols = 0; + UWORD colNo = 0; + wxDbColInf *colInf = 0; + + RETCODE retcode; + SDWORD cb; + + wxString TableName; + + wxString UserID; + convertUserID(userID,UserID); + + // Pass 1 - Determine how many columns there are. + // Pass 2 - Allocate the wxDbColInf array and fill in + // the array with the column information. + int pass; + for (pass = 1; pass <= 2; pass++) + { + if (pass == 2) + { + if (noCols == 0) // Probably a bogus table name(s) + break; + // Allocate n wxDbColInf objects to hold the column information + colInf = new wxDbColInf[noCols+1]; + if (!colInf) + break; + // Mark the end of the array + wxStrcpy(colInf[noCols].tableName, wxEmptyString); + wxStrcpy(colInf[noCols].colName, wxEmptyString); + colInf[noCols].sqlDataType = 0; + } + // Loop through each table name + int tbl; + for (tbl = 0; tableName[tbl]; tbl++) + { + TableName = tableName[tbl]; + // Oracle and Interbase table names are uppercase only, so force + // the name to uppercase just in case programmer forgot to do this + if ((Dbms() == dbmsORACLE) || + (Dbms() == dbmsFIREBIRD) || + (Dbms() == dbmsINTERBASE)) + TableName = TableName.Upper(); + + SQLFreeStmt(hstmt, SQL_CLOSE); + + // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we + // use the call below that leaves out the user name + if (!UserID.empty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsMS_SQL_SERVER) + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + (SQLTCHAR *) UserID.c_str(), SQL_NTS, // Owner + (SQLTCHAR *) TableName.c_str(), SQL_NTS, + NULL, 0); // All columns + } + else + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + NULL, 0, // Owner + (SQLTCHAR *) TableName.c_str(), SQL_NTS, + NULL, 0); // All columns + } + if (retcode != SQL_SUCCESS) + { // Error occured, abort + DispAllErrors(henv, hdbc, hstmt); + if (colInf) + delete [] colInf; + SQLFreeStmt(hstmt, SQL_CLOSE); + return(0); + } + + while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) + { + if (pass == 1) // First pass, just add up the number of columns + noCols++; + else // Pass 2; Fill in the array of structures + { + if (colNo < noCols) // Some extra error checking to prevent memory overwrites + { + // NOTE: Only the ODBC 1.x fields are retrieved + GetData( 1, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb); + GetData( 2, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb); + GetData( 3, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb); + GetData( 4, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb); + GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType, 0, &cb); + GetData( 6, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb); + GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnLength, 0, &cb); + GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferSize, 0, &cb); + GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0, &cb); + GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb); + GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb); + GetData(12, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb); + + // Determine the wxDb data type that is used to represent the native data type of this data source + colInf[colNo].dbDataType = 0; + if (!wxStricmp(typeInfVarchar.TypeName,colInf[colNo].typeName)) + { +#ifdef _IODBC_ + // IODBC does not return a correct columnLength, so we set + // columnLength = bufferSize if no column length was returned + // IODBC returns the columnLength in bufferSize. (bug) + if (colInf[colNo].columnLength < 1) + { + colInf[colNo].columnLength = colInf[colNo].bufferSize; + } +#endif + colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR; + } + else if (!wxStricmp(typeInfInteger.TypeName, colInf[colNo].typeName)) + colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER; + else if (!wxStricmp(typeInfFloat.TypeName, colInf[colNo].typeName)) + colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT; + else if (!wxStricmp(typeInfDate.TypeName, colInf[colNo].typeName)) + colInf[colNo].dbDataType = DB_DATA_TYPE_DATE; + else if (!wxStricmp(typeInfBlob.TypeName, colInf[colNo].typeName)) + colInf[colNo].dbDataType = DB_DATA_TYPE_BLOB; + colNo++; + } + } + } + if (retcode != SQL_NO_DATA_FOUND) + { // Error occured, abort + DispAllErrors(henv, hdbc, hstmt); + if (colInf) + delete [] colInf; + SQLFreeStmt(hstmt, SQL_CLOSE); + return(0); + } + } + } + + SQLFreeStmt(hstmt, SQL_CLOSE); + return colInf; + +} // wxDb::GetColumns() + + +/********** wxDb::GetColumns() **********/ + +wxDbColInf *wxDb::GetColumns(const wxString &tableName, UWORD *numCols, const wxChar *userID) +// +// Same as the above GetColumns() function except this one gets columns +// only for a single table, and if 'numCols' is not NULL, the number of +// columns stored in the returned wxDbColInf is set in '*numCols' +// +// userID is evaluated in the following manner: +// userID == NULL ... UserID is ignored +// userID == "" ... UserID set equal to 'this->uid' +// userID != "" ... UserID set equal to 'userID' +// +// NOTE: ALL column bindings associated with this wxDb instance are unbound +// by this function. This function should use its own wxDb instance +// to avoid undesired unbinding of columns. + +{ + UWORD noCols = 0; + UWORD colNo = 0; + wxDbColInf *colInf = 0; + + RETCODE retcode; + SDWORD cb; + + wxString TableName; + + wxString UserID; + convertUserID(userID,UserID); + + // Pass 1 - Determine how many columns there are. + // Pass 2 - Allocate the wxDbColInf array and fill in + // the array with the column information. + int pass; + for (pass = 1; pass <= 2; pass++) + { + if (pass == 2) + { + if (noCols == 0) // Probably a bogus table name(s) + break; + // Allocate n wxDbColInf objects to hold the column information + colInf = new wxDbColInf[noCols+1]; + if (!colInf) + break; + // Mark the end of the array + wxStrcpy(colInf[noCols].tableName, wxEmptyString); + wxStrcpy(colInf[noCols].colName, wxEmptyString); + colInf[noCols].sqlDataType = 0; + } + + TableName = tableName; + // Oracle and Interbase table names are uppercase only, so force + // the name to uppercase just in case programmer forgot to do this + if ((Dbms() == dbmsORACLE) || + (Dbms() == dbmsFIREBIRD) || + (Dbms() == dbmsINTERBASE)) + TableName = TableName.Upper(); + + SQLFreeStmt(hstmt, SQL_CLOSE); + + // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we + // use the call below that leaves out the user name + if (!UserID.empty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsMS_SQL_SERVER) + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + (SQLTCHAR *) UserID.c_str(), SQL_NTS, // Owner + (SQLTCHAR *) TableName.c_str(), SQL_NTS, + NULL, 0); // All columns + } + else + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + NULL, 0, // Owner + (SQLTCHAR *) TableName.c_str(), SQL_NTS, + NULL, 0); // All columns + } + if (retcode != SQL_SUCCESS) + { // Error occured, abort + DispAllErrors(henv, hdbc, hstmt); + if (colInf) + delete [] colInf; + SQLFreeStmt(hstmt, SQL_CLOSE); + if (numCols) + *numCols = 0; + return(0); + } + + while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) + { + if (pass == 1) // First pass, just add up the number of columns + noCols++; + else // Pass 2; Fill in the array of structures + { + if (colNo < noCols) // Some extra error checking to prevent memory overwrites + { + // NOTE: Only the ODBC 1.x fields are retrieved + GetData( 1, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb); + GetData( 2, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb); + GetData( 3, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb); + GetData( 4, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb); + GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType, 0, &cb); + GetData( 6, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb); + GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnLength, 0, &cb); + // BJO 991214 : SQL_C_SSHORT instead of SQL_C_SLONG, otherwise fails on Sparc (probably all 64 bit architectures) + GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferSize, 0, &cb); + GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0, &cb); + GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb); + GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb); + GetData(12, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb); + // Start Values for Primary/Foriegn Key (=No) + colInf[colNo].PkCol = 0; // Primary key column 0=No; 1= First Key, 2 = Second Key etc. + colInf[colNo].PkTableName[0] = 0; // Tablenames where Primary Key is used as a Foreign Key + colInf[colNo].FkCol = 0; // Foreign key column 0=No; 1= First Key, 2 = Second Key etc. + colInf[colNo].FkTableName[0] = 0; // Foreign key table name + + // BJO 20000428 : Virtuoso returns type names with upper cases! + if (Dbms() == dbmsVIRTUOSO) + { + wxString s = colInf[colNo].typeName; + s = s.MakeLower(); + wxStrcmp(colInf[colNo].typeName, s.c_str()); + } + + // Determine the wxDb data type that is used to represent the native data type of this data source + colInf[colNo].dbDataType = 0; + if (!wxStricmp(typeInfVarchar.TypeName, colInf[colNo].typeName)) + { +#ifdef _IODBC_ + // IODBC does not return a correct columnLength, so we set + // columnLength = bufferSize if no column length was returned + // IODBC returns the columnLength in bufferSize. (bug) + if (colInf[colNo].columnLength < 1) + { + colInf[colNo].columnLength = colInf[colNo].bufferSize; + } +#endif + + colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR; + } + else if (!wxStricmp(typeInfInteger.TypeName, colInf[colNo].typeName)) + colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER; + else if (!wxStricmp(typeInfFloat.TypeName, colInf[colNo].typeName)) + colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT; + else if (!wxStricmp(typeInfDate.TypeName, colInf[colNo].typeName)) + colInf[colNo].dbDataType = DB_DATA_TYPE_DATE; + else if (!wxStricmp(typeInfBlob.TypeName, colInf[colNo].typeName)) + colInf[colNo].dbDataType = DB_DATA_TYPE_BLOB; + + colNo++; + } + } + } + if (retcode != SQL_NO_DATA_FOUND) + { // Error occured, abort + DispAllErrors(henv, hdbc, hstmt); + if (colInf) + delete [] colInf; + SQLFreeStmt(hstmt, SQL_CLOSE); + if (numCols) + *numCols = 0; + return(0); + } + } + + SQLFreeStmt(hstmt, SQL_CLOSE); + + // Store Primary and Foriegn Keys + GetKeyFields(tableName,colInf,noCols); + + if (numCols) + *numCols = noCols; + return colInf; + +} // wxDb::GetColumns() + + +#else // New GetColumns + + +/* + BJO 20000503 + These are tentative new GetColumns members which should be more database + independant and which always returns the columns in the order they were + created. + + - The first one (wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const + wxChar* userID)) calls the second implementation for each separate table + before merging the results. This makes the code easier to maintain as + only one member (the second) makes the real work + - wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const + wxChar *userID) is a little bit improved + - It doesn't anymore rely on the type-name to find out which database-type + each column has + - It ends by sorting the columns, so that they are returned in the same + order they were created +*/ + +typedef struct +{ + UWORD noCols; + wxDbColInf *colInf; +} _TableColumns; + + +wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID) +{ + int i, j; + // The last array element of the tableName[] argument must be zero (null). + // This is how the end of the array is detected. + + UWORD noCols = 0; + + // How many tables ? + int tbl; + for (tbl = 0 ; tableName[tbl]; tbl++); + + // Create a table to maintain the columns for each separate table + _TableColumns *TableColumns = new _TableColumns[tbl]; + + // Fill the table + for (i = 0 ; i < tbl ; i++) + + { + TableColumns[i].colInf = GetColumns(tableName[i], &TableColumns[i].noCols, userID); + if (TableColumns[i].colInf == NULL) + return NULL; + noCols += TableColumns[i].noCols; + } + + // Now merge all the separate table infos + wxDbColInf *colInf = new wxDbColInf[noCols+1]; + + // Mark the end of the array + wxStrcpy(colInf[noCols].tableName, wxEmptyString); + wxStrcpy(colInf[noCols].colName, wxEmptyString); + colInf[noCols].sqlDataType = 0; + + // Merge ... + int offset = 0; + + for (i = 0 ; i < tbl ; i++) + { + for (j = 0 ; j < TableColumns[i].noCols ; j++) + { + colInf[offset++] = TableColumns[i].colInf[j]; + } + } + + delete [] TableColumns; + + return colInf; +} // wxDb::GetColumns() -- NEW + + +wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxChar *userID) +// +// Same as the above GetColumns() function except this one gets columns +// only for a single table, and if 'numCols' is not NULL, the number of +// columns stored in the returned wxDbColInf is set in '*numCols' +// +// userID is evaluated in the following manner: +// userID == NULL ... UserID is ignored +// userID == "" ... UserID set equal to 'this->uid' +// userID != "" ... UserID set equal to 'userID' +// +// NOTE: ALL column bindings associated with this wxDb instance are unbound +// by this function. This function should use its own wxDb instance +// to avoid undesired unbinding of columns. +{ + UWORD noCols = 0; + UWORD colNo = 0; + wxDbColInf *colInf = 0; + + RETCODE retcode; + SDWORD cb; + + wxString TableName; + + wxString UserID; + convertUserID(userID,UserID); + + // Pass 1 - Determine how many columns there are. + // Pass 2 - Allocate the wxDbColInf array and fill in + // the array with the column information. + int pass; + for (pass = 1; pass <= 2; pass++) + { + if (pass == 2) + { + if (noCols == 0) // Probably a bogus table name(s) + break; + // Allocate n wxDbColInf objects to hold the column information + colInf = new wxDbColInf[noCols+1]; + if (!colInf) + break; + // Mark the end of the array + wxStrcpy(colInf[noCols].tableName, wxEmptyString); + wxStrcpy(colInf[noCols].colName, wxEmptyString); + colInf[noCols].sqlDataType = 0; + } + + TableName = tableName; + // Oracle and Interbase table names are uppercase only, so force + // the name to uppercase just in case programmer forgot to do this + if ((Dbms() == dbmsORACLE) || + (Dbms() == dbmsFIREBIRD) || + (Dbms() == dbmsINTERBASE)) + TableName = TableName.Upper(); + + SQLFreeStmt(hstmt, SQL_CLOSE); + + // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we + // use the call below that leaves out the user name + if (!UserID.empty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsMS_SQL_SERVER) + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + (UCHAR *) UserID.c_str(), SQL_NTS, // Owner + (UCHAR *) TableName.c_str(), SQL_NTS, + NULL, 0); // All columns + } + else + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + NULL, 0, // Owner + (UCHAR *) TableName.c_str(), SQL_NTS, + NULL, 0); // All columns + } + if (retcode != SQL_SUCCESS) + { // Error occured, abort + DispAllErrors(henv, hdbc, hstmt); + if (colInf) + delete [] colInf; + SQLFreeStmt(hstmt, SQL_CLOSE); + if (numCols) + *numCols = 0; + return(0); + } + + while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) + { + if (pass == 1) // First pass, just add up the number of columns + noCols++; + else // Pass 2; Fill in the array of structures + { + if (colNo < noCols) // Some extra error checking to prevent memory overwrites + { + // NOTE: Only the ODBC 1.x fields are retrieved + GetData( 1, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb); + GetData( 2, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb); + GetData( 3, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb); + GetData( 4, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb); + GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType, 0, &cb); + GetData( 6, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb); + GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnLength, 0, &cb); + GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferSize, 0, &cb); + GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0, &cb); + GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb); + GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb); + GetData(12, SQL_C_WXCHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb); + // Start Values for Primary/Foriegn Key (=No) + colInf[colNo].PkCol = 0; // Primary key column 0=No; 1= First Key, 2 = Second Key etc. + colInf[colNo].PkTableName[0] = 0; // Tablenames where Primary Key is used as a Foreign Key + colInf[colNo].FkCol = 0; // Foreign key column 0=No; 1= First Key, 2 = Second Key etc. + colInf[colNo].FkTableName[0] = 0; // Foreign key table name + +#ifdef _IODBC_ + // IODBC does not return a correct columnLength, so we set + // columnLength = bufferSize if no column length was returned + // IODBC returns the columnLength in bufferSize. (bug) + if (colInf[colNo].columnLength < 1) + { + colInf[colNo].columnLength = colInf[colNo].bufferSize; + } #endif - if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS) - { - // Check for "Base table not found" error and ignore - GetNextError(henv, hdbc, hstmt); - if (strcmp(sqlState,"S0002")) // "Base table not found" - { - // Check for product specific error codes - if (!((Dbms() == dbmsSYBASE_ASA && !strcmp(sqlState,"42000")))) // 5.x (and lower?) - { - DispNextError(); - DispAllErrors(henv, hdbc, hstmt); - RollbackTrans(); - return(FALSE); - } - } - } - - // Commit the transaction - if (! CommitTrans()) - return(FALSE); - - return TRUE; - -} // wxDB::DropView() - - -/********** wxDB::ExecSql() **********/ -bool wxDB::ExecSql(char *pSqlStmt) -{ - SQLFreeStmt(hstmt, SQL_CLOSE); - if (SQLExecDirect(hstmt, (UCHAR FAR *) pSqlStmt, SQL_NTS) == SQL_SUCCESS) - return(TRUE); - else - { - DispAllErrors(henv, hdbc, hstmt); - return(FALSE); - } - -} // wxDB::ExecSql() - -/********** wxDB::GetNext() **********/ -bool wxDB::GetNext(void) -{ - if (SQLFetch(hstmt) == SQL_SUCCESS) - return(TRUE); - else - { - DispAllErrors(henv, hdbc, hstmt); - return(FALSE); - } - -} // wxDB::GetNext() - -/********** wxDB::GetData() **********/ -bool wxDB::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FAR *cbReturned) -{ - assert(pData); - assert(cbReturned); - - if (SQLGetData(hstmt, colNo, cType, pData, maxLen, cbReturned) == SQL_SUCCESS) - return(TRUE); - else - { - DispAllErrors(henv, hdbc, hstmt); - return(FALSE); - } - -} // wxDB::GetData() - -/********** wxDB::GetColumns() **********/ + // Determine the wxDb data type that is used to represent the native data type of this data source + colInf[colNo].dbDataType = 0; + // Get the intern datatype + switch (colInf[colNo].sqlDataType) + { +#if wxUSE_UNICODE + #if defined(SQL_WCHAR) + case SQL_WCHAR: + #endif + #if defined(SQL_WVARCHAR) + case SQL_WVARCHAR: + #endif +#endif + case SQL_VARCHAR: + case SQL_CHAR: + colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR; + break; + case SQL_TINYINT: + case SQL_SMALLINT: + case SQL_INTEGER: + case SQL_BIT: + colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER; + break; + case SQL_DOUBLE: + case SQL_DECIMAL: + case SQL_NUMERIC: + case SQL_FLOAT: + case SQL_REAL: + colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT; + break; + case SQL_DATE: + case SQL_TIMESTAMP: + colInf[colNo].dbDataType = DB_DATA_TYPE_DATE; + break; + case SQL_BINARY: + colInf[colNo].dbDataType = DB_DATA_TYPE_BLOB; + break; +#ifdef __WXDEBUG__ + default: + wxString errMsg; + errMsg.Printf(wxT("SQL Data type %d currently not supported by wxWidgets"), colInf[colNo].sqlDataType); + wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE")); +#endif + } + colNo++; + } + } + } + if (retcode != SQL_NO_DATA_FOUND) + { // Error occured, abort + DispAllErrors(henv, hdbc, hstmt); + if (colInf) + delete [] colInf; + SQLFreeStmt(hstmt, SQL_CLOSE); + if (numCols) + *numCols = 0; + return(0); + } + } + + SQLFreeStmt(hstmt, SQL_CLOSE); + + // Store Primary and Foreign Keys + GetKeyFields(tableName,colInf,noCols); + + /////////////////////////////////////////////////////////////////////////// + // Now sort the the columns in order to make them appear in the right order + /////////////////////////////////////////////////////////////////////////// + + // Build a generic SELECT statement which returns 0 rows + wxString Stmt; + + Stmt.Printf(wxT("select * from \"%s\" where 0=1"), tableName); + + // Execute query + if (SQLExecDirect(hstmt, (UCHAR FAR *) Stmt.c_str(), SQL_NTS) != SQL_SUCCESS) + { + DispAllErrors(henv, hdbc, hstmt); + return NULL; + } + + // Get the number of result columns + if (SQLNumResultCols (hstmt, &noCols) != SQL_SUCCESS) + { + DispAllErrors(henv, hdbc, hstmt); + return NULL; + } + + if (noCols == 0) // Probably a bogus table name + return NULL; + + // Get the name + int i; + short colNum; + UCHAR name[100]; + SWORD Sword; + SDWORD Sdword; + for (colNum = 0; colNum < noCols; colNum++) + { + if (SQLColAttributes(hstmt,colNum+1, SQL_COLUMN_NAME, + name, sizeof(name), + &Sword, &Sdword) != SQL_SUCCESS) + { + DispAllErrors(henv, hdbc, hstmt); + return NULL; + } + + wxString Name1 = name; + Name1 = Name1.Upper(); + + // Where is this name in the array ? + for (i = colNum ; i < noCols ; i++) + { + wxString Name2 = colInf[i].colName; + Name2 = Name2.Upper(); + if (Name2 == Name1) + { + if (colNum != i) // swap to sort + { + wxDbColInf tmpColInf = colInf[colNum]; + colInf[colNum] = colInf[i]; + colInf[i] = tmpColInf; + } + break; + } + } + } + SQLFreeStmt(hstmt, SQL_CLOSE); + + /////////////////////////////////////////////////////////////////////////// + // End sorting + /////////////////////////////////////////////////////////////////////////// + + if (numCols) + *numCols = noCols; + return colInf; + +} // wxDb::GetColumns() + + +#endif // #else OLD_GETCOLUMNS + + +/********** wxDb::GetColumnCount() **********/ +int wxDb::GetColumnCount(const wxString &tableName, const wxChar *userID) /* - * 1) The last array element of the tableName[] argument must be zero (null). - * This is how the end of the array is detected. - * 2) This function returns an array of CcolInf structures. If no columns - * were found, or an error occured, this pointer will be zero (null). THE - * CALLING FUNCTION IS RESPONSIBLE FOR DELETING THE MEMORY RETURNED WHEN IT - * IS FINISHED WITH IT. i.e. + * Returns a count of how many columns are in a table. + * If an error occurs in computing the number of columns + * this function will return a -1 for the count + * + * userID is evaluated in the following manner: + * userID == NULL ... UserID is ignored + * userID == "" ... UserID set equal to 'this->uid' + * userID != "" ... UserID set equal to 'userID' * - * CcolInf *colInf = pDb->GetColumns(tableList, userID); - * if (colInf) - * { - * // Use the column inf - * ....... - * // Destroy the memory - * delete [] colInf; - * } + * NOTE: ALL column bindings associated with this wxDb instance are unbound + * by this function. This function should use its own wxDb instance + * to avoid undesired unbinding of columns. */ -CcolInf *wxDB::GetColumns(char *tableName[], char *userID) -{ - UINT noCols = 0; - UINT colNo = 0; - CcolInf *colInf = 0; - RETCODE retcode; - SDWORD cb; - char tblName[DB_MAX_TABLE_NAME_LEN+1]; - char colName[DB_MAX_COLUMN_NAME_LEN+1]; - SWORD sqlDataType; - char userIdUC[80+1]; - char tableNameUC[DB_MAX_TABLE_NAME_LEN+1]; - - if (!userID || !strlen(userID)) - userID = uid; - - // dBase does not use user names, and some drivers fail if you try to pass one - if (Dbms() == dbmsDBASE) - userID = ""; - - // Oracle user names may only be in uppercase, so force - // the name to uppercase - if (Dbms() == dbmsORACLE) - { - int i = 0; - for (char *p = userID; *p; p++) - userIdUC[i++] = toupper(*p); - userIdUC[i] = 0; - userID = userIdUC; - } - - // Pass 1 - Determine how many columns there are. - // Pass 2 - Allocate the CcolInf array and fill in - // the array with the column information. - int pass; - for (pass = 1; pass <= 2; pass++) - { - if (pass == 2) - { - if (noCols == 0) // Probably a bogus table name(s) - break; - // Allocate n CcolInf objects to hold the column information - colInf = new CcolInf[noCols+1]; - if (!colInf) - break; - // Mark the end of the array - strcpy(colInf[noCols].tableName, ""); - strcpy(colInf[noCols].colName, ""); - colInf[noCols].sqlDataType = 0; - } - // Loop through each table name - int tbl; - for (tbl = 0; tableName[tbl]; tbl++) - { - // Oracle table names are uppercase only, so force - // the name to uppercase just in case programmer forgot to do this - if (Dbms() == dbmsORACLE) - { - int i = 0; - for (char *p = tableName[tbl]; *p; p++) - tableNameUC[i++] = toupper(*p); - tableNameUC[i] = 0; - } - else - sprintf(tableNameUC,tableName[tbl]); - - SQLFreeStmt(hstmt, SQL_CLOSE); - - // MySQL and Access cannot accept a user name when looking up column names, so we - // use the call below that leaves out the user name - if (strcmp(userID,"") && - Dbms() != dbmsMY_SQL && - Dbms() != dbmsACCESS) - { - retcode = SQLColumns(hstmt, - NULL, 0, // All qualifiers - (UCHAR *) userID, SQL_NTS, // Owner - (UCHAR *) tableNameUC, SQL_NTS, - NULL, 0); // All columns - } - else - { - retcode = SQLColumns(hstmt, - NULL, 0, // All qualifiers - NULL, 0, // Owner - (UCHAR *) tableNameUC, SQL_NTS, - NULL, 0); // All columns - } - if (retcode != SQL_SUCCESS) - { // Error occured, abort - DispAllErrors(henv, hdbc, hstmt); - if (colInf) - delete [] colInf; - SQLFreeStmt(hstmt, SQL_UNBIND); - SQLFreeStmt(hstmt, SQL_CLOSE); - return(0); - } - SQLBindCol(hstmt, 3, SQL_C_CHAR, (UCHAR*) tblName, DB_MAX_TABLE_NAME_LEN+1, &cb); - SQLBindCol(hstmt, 4, SQL_C_CHAR, (UCHAR*) colName, DB_MAX_COLUMN_NAME_LEN+1, &cb); - SQLBindCol(hstmt, 5, SQL_C_SSHORT, (UCHAR*) &sqlDataType, 0, &cb); - while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) - { - if (pass == 1) // First pass, just add up the number of columns - noCols++; - else // Pass 2; Fill in the array of structures - { - if (colNo < noCols) // Some extra error checking to prevent memory overwrites - { - strcpy(colInf[colNo].tableName, tblName); - strcpy(colInf[colNo].colName, colName); - colInf[colNo].sqlDataType = sqlDataType; - colNo++; - } - } - } - if (retcode != SQL_NO_DATA_FOUND) - { // Error occured, abort - DispAllErrors(henv, hdbc, hstmt); - if (colInf) - delete [] colInf; - SQLFreeStmt(hstmt, SQL_UNBIND); - SQLFreeStmt(hstmt, SQL_CLOSE); - return(0); - } - } - } - - SQLFreeStmt(hstmt, SQL_UNBIND); - SQLFreeStmt(hstmt, SQL_CLOSE); - return colInf; - -} // wxDB::GetColumns() - - -/********** wxDB::Catalog() **********/ -bool wxDB::Catalog(char *userID, char *fileName) -{ - assert(fileName && strlen(fileName)); - - RETCODE retcode; - SDWORD cb; - char tblName[DB_MAX_TABLE_NAME_LEN+1]; - char tblNameSave[DB_MAX_TABLE_NAME_LEN+1]; - char colName[DB_MAX_COLUMN_NAME_LEN+1]; - SWORD sqlDataType; - char typeName[30+1]; - SWORD precision, length; - - FILE *fp = fopen(fileName,"wt"); - if (fp == NULL) - return(FALSE); - - SQLFreeStmt(hstmt, SQL_CLOSE); - - if (!userID || !strlen(userID)) - userID = uid; - - char userIdUC[80+1]; - // Oracle user names may only be in uppercase, so force - // the name to uppercase - if (Dbms() == dbmsORACLE) - { - int i = 0; - for (char *p = userID; *p; p++) - userIdUC[i++] = toupper(*p); - userIdUC[i] = 0; - userID = userIdUC; - } - - if (strcmp(userID,"")) - { - retcode = SQLColumns(hstmt, - NULL, 0, // All qualifiers - (UCHAR *) userID, SQL_NTS, // User specified - NULL, 0, // All tables - NULL, 0); // All columns - } - else - { - retcode = SQLColumns(hstmt, - NULL, 0, // All qualifiers - NULL, 0, // User specified - NULL, 0, // All tables - NULL, 0); // All columns - } - if (retcode != SQL_SUCCESS) - { - DispAllErrors(henv, hdbc, hstmt); - fclose(fp); - return(FALSE); - } - - SQLBindCol(hstmt, 3, SQL_C_CHAR, (UCHAR*) tblName, DB_MAX_TABLE_NAME_LEN+1, &cb); - SQLBindCol(hstmt, 4, SQL_C_CHAR, (UCHAR*) colName, DB_MAX_COLUMN_NAME_LEN+1, &cb); - SQLBindCol(hstmt, 5, SQL_C_SSHORT, (UCHAR*) &sqlDataType, 0, &cb); - SQLBindCol(hstmt, 6, SQL_C_CHAR, (UCHAR*) typeName, sizeof(typeName), &cb); - SQLBindCol(hstmt, 7, SQL_C_SSHORT, (UCHAR*) &precision, 0, &cb); - SQLBindCol(hstmt, 8, SQL_C_SSHORT, (UCHAR*) &length, 0, &cb); - - char outStr[256]; - strcpy(tblNameSave,""); - int cnt = 0; - - while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) - { - if (strcmp(tblName,tblNameSave)) - { - if (cnt) - fputs("\n", fp); - fputs("================================ ", fp); - fputs("================================ ", fp); - fputs("===================== ", fp); - fputs("========= ", fp); - fputs("=========\n", fp); - sprintf(outStr, "%-32s %-32s %-21s %9s %9s\n", - "TABLE NAME", "COLUMN NAME", "DATA TYPE", "PRECISION", "LENGTH"); - fputs(outStr, fp); - fputs("================================ ", fp); - fputs("================================ ", fp); - fputs("===================== ", fp); - fputs("========= ", fp); - fputs("=========\n", fp); - strcpy(tblNameSave,tblName); - } - sprintf(outStr, "%-32s %-32s (%04d)%-15s %9d %9d\n", - tblName, colName, sqlDataType, typeName, precision, length); - if (fputs(outStr, fp) == EOF) - { - SQLFreeStmt(hstmt, SQL_UNBIND); - SQLFreeStmt(hstmt, SQL_CLOSE); - fclose(fp); - return(FALSE); - } - cnt++; - } - - if (retcode != SQL_NO_DATA_FOUND) - DispAllErrors(henv, hdbc, hstmt); - - SQLFreeStmt(hstmt, SQL_UNBIND); - SQLFreeStmt(hstmt, SQL_CLOSE); - - fclose(fp); - return(retcode == SQL_NO_DATA_FOUND); - -} // wxDB::Catalog() - - -// Table name can refer to a table, view, alias or synonym. Returns true -// if the object exists in the database. This function does not indicate -// whether or not the user has privleges to query or perform other functions -// on the table. -bool wxDB::TableExists(char *tableName, char *userID, char *tablePath) -{ - assert(tableName && strlen(tableName)); - - if (Dbms() == dbmsDBASE) - { - wxString dbName; - if (tablePath && strlen(tablePath)) - dbName.sprintf("%s/%s.dbf",tablePath,tableName); - else - dbName.sprintf("%s.dbf",tableName); - bool glt; - glt = wxFileExists(dbName.GetData()); - return glt; - } - - if (!userID || !strlen(userID)) - userID = uid; - - char userIdUC[80+1]; - // Oracle user names may only be in uppercase, so force - // the name to uppercase - if (Dbms() == dbmsORACLE) - { - int i = 0; - for (char *p = userID; *p; p++) - userIdUC[i++] = toupper(*p); - userIdUC[i] = 0; - userID = userIdUC; - } - - char tableNameUC[DB_MAX_TABLE_NAME_LEN+1]; - // Oracle table names are uppercase only, so force - // the name to uppercase just in case programmer forgot to do this - if (Dbms() == dbmsORACLE) - { - int i = 0; - for (char *p = tableName; *p; p++) - tableNameUC[i++] = toupper(*p); - tableNameUC[i] = 0; - } - else - sprintf(tableNameUC,tableName); - - SQLFreeStmt(hstmt, SQL_CLOSE); - RETCODE retcode; - - // MySQL and Access cannot accept a user name when looking up table names, so we - // use the call below that leaves out the user name - if (strcmp(userID,"") && - Dbms() != dbmsMY_SQL && - Dbms() != dbmsACCESS) - { - retcode = SQLTables(hstmt, - NULL, 0, // All qualifiers - (UCHAR *) userID, SQL_NTS, // All owners - (UCHAR FAR *)tableNameUC, SQL_NTS, - NULL, 0); // All table types - } - else - { - retcode = SQLTables(hstmt, - NULL, 0, // All qualifiers - NULL, 0, // All owners - (UCHAR FAR *)tableNameUC, SQL_NTS, - NULL, 0); // All table types - } - if (retcode != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc, hstmt)); - - retcode = SQLFetch(hstmt); - if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) - { - SQLFreeStmt(hstmt, SQL_CLOSE); - return(DispAllErrors(henv, hdbc, hstmt)); - } - - SQLFreeStmt(hstmt, SQL_CLOSE); - return(TRUE); - -} // wxDB::TableExists() - - -/********** wxDB::SqlLog() **********/ -bool wxDB::SqlLog(enum sqlLog state, char *filename, bool append) -{ - assert(state == sqlLogON || state == sqlLogOFF); - assert(state == sqlLogOFF || filename); - - if (state == sqlLogON) - { - if (fpSqlLog == 0) - { - fpSqlLog = fopen(filename, (append ? "at" : "wt")); - if (fpSqlLog == NULL) - return(FALSE); - } - } - else // sqlLogOFF - { - if (fpSqlLog) - { - if (fclose(fpSqlLog)) - return(FALSE); - fpSqlLog = 0; - } - } - - sqlLogState = state; - return(TRUE); - -} // wxDB::SqlLog() - - -/********** wxDB::WriteSqlLog() **********/ -bool wxDB::WriteSqlLog(char *logMsg) -{ - assert(logMsg); - - if (fpSqlLog == 0 || sqlLogState == sqlLogOFF) - return(FALSE); - - if (fputs("\n", fpSqlLog) == EOF) return(FALSE); - if (fputs(logMsg, fpSqlLog) == EOF) return(FALSE); - if (fputs("\n", fpSqlLog) == EOF) return(FALSE); - - return(TRUE); - -} // wxDB::WriteSqlLog() - - -/********** wxDB::Dbms() **********/ +{ + UWORD noCols = 0; + + RETCODE retcode; + + wxString TableName; + + wxString UserID; + convertUserID(userID,UserID); + + TableName = tableName; + // Oracle and Interbase table names are uppercase only, so force + // the name to uppercase just in case programmer forgot to do this + if ((Dbms() == dbmsORACLE) || + (Dbms() == dbmsFIREBIRD) || + (Dbms() == dbmsINTERBASE)) + TableName = TableName.Upper(); + + SQLFreeStmt(hstmt, SQL_CLOSE); + + // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we + // use the call below that leaves out the user name + if (!UserID.empty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsMS_SQL_SERVER) + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + (SQLTCHAR *) UserID.c_str(), SQL_NTS, // Owner + (SQLTCHAR *) TableName.c_str(), SQL_NTS, + NULL, 0); // All columns + } + else + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + NULL, 0, // Owner + (SQLTCHAR *) TableName.c_str(), SQL_NTS, + NULL, 0); // All columns + } + if (retcode != SQL_SUCCESS) + { // Error occured, abort + DispAllErrors(henv, hdbc, hstmt); + SQLFreeStmt(hstmt, SQL_CLOSE); + return(-1); + } + + // Count the columns + while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) + noCols++; + + if (retcode != SQL_NO_DATA_FOUND) + { // Error occured, abort + DispAllErrors(henv, hdbc, hstmt); + SQLFreeStmt(hstmt, SQL_CLOSE); + return(-1); + } + + SQLFreeStmt(hstmt, SQL_CLOSE); + return noCols; + +} // wxDb::GetColumnCount() + + +/********** wxDb::GetCatalog() *******/ +wxDbInf *wxDb::GetCatalog(const wxChar *userID) +/* + * --------------------------------------------------------------------- + * -- 19991203 : mj10777 : Create ------ + * -- : Creates a wxDbInf with Tables / Cols Array ------ + * -- : uses SQLTables and fills pTableInf; ------ + * -- : pColInf is set to NULL and numCols to 0; ------ + * -- : returns pDbInf (wxDbInf) ------ + * -- - if unsuccesfull (pDbInf == NULL) ------ + * -- : pColInf can be filled with GetColumns(..); ------ + * -- : numCols can be filled with GetColumnCount(..); ------ + * --------------------------------------------------------------------- + * + * userID is evaluated in the following manner: + * userID == NULL ... UserID is ignored + * userID == "" ... UserID set equal to 'this->uid' + * userID != "" ... UserID set equal to 'userID' + * + * NOTE: ALL column bindings associated with this wxDb instance are unbound + * by this function. This function should use its own wxDb instance + * to avoid undesired unbinding of columns. + */ +{ + int noTab = 0; // Counter while filling table entries + int pass; + RETCODE retcode; + SDWORD cb; + wxString tblNameSave; + + wxString UserID; + convertUserID(userID,UserID); + + //------------------------------------------------------------- + // Create the Database Array of catalog entries + + wxDbInf *pDbInf = new wxDbInf; + + //------------------------------------------------------------- + // Table Information + // Pass 1 - Determine how many Tables there are. + // Pass 2 - Create the Table array and fill it + // - Create the Cols array = NULL + //------------------------------------------------------------- + + for (pass = 1; pass <= 2; pass++) + { + SQLFreeStmt(hstmt, SQL_CLOSE); // Close if Open + tblNameSave.Empty(); + + if (!UserID.empty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsMS_SQL_SERVER) + { + retcode = SQLTables(hstmt, + NULL, 0, // All qualifiers + (SQLTCHAR *) UserID.c_str(), SQL_NTS, // User specified + NULL, 0, // All tables + NULL, 0); // All columns + } + else + { + retcode = SQLTables(hstmt, + NULL, 0, // All qualifiers + NULL, 0, // User specified + NULL, 0, // All tables + NULL, 0); // All columns + } + + if (retcode != SQL_SUCCESS) + { + DispAllErrors(henv, hdbc, hstmt); + pDbInf = NULL; + SQLFreeStmt(hstmt, SQL_CLOSE); + return pDbInf; + } + + while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) // Table Information + { + if (pass == 1) // First pass, just count the Tables + { + if (pDbInf->numTables == 0) + { + GetData( 1, SQL_C_WXCHAR, (UCHAR*) pDbInf->catalog, 128+1, &cb); + GetData( 2, SQL_C_WXCHAR, (UCHAR*) pDbInf->schema, 128+1, &cb); + } + pDbInf->numTables++; // Counter for Tables + } // if (pass == 1) + if (pass == 2) // Create and fill the Table entries + { + if (pDbInf->pTableInf == NULL) // Has the Table Array been created + { // no, then create the Array + pDbInf->pTableInf = new wxDbTableInf[pDbInf->numTables]; + noTab = 0; + } // if (pDbInf->pTableInf == NULL) // Has the Table Array been created + + GetData( 3, SQL_C_WXCHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableName, DB_MAX_TABLE_NAME_LEN+1, &cb); + GetData( 4, SQL_C_WXCHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableType, 30+1, &cb); + GetData( 5, SQL_C_WXCHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableRemarks, 254+1, &cb); + + noTab++; + } // if + } // while + } // for + SQLFreeStmt(hstmt, SQL_CLOSE); + + // Query how many columns are in each table + for (noTab=0;noTabnumTables;noTab++) + { + (pDbInf->pTableInf+noTab)->numCols = (UWORD)GetColumnCount((pDbInf->pTableInf+noTab)->tableName,UserID); + } + + return pDbInf; + +} // wxDb::GetCatalog() + + +/********** wxDb::Catalog() **********/ +bool wxDb::Catalog(const wxChar *userID, const wxString &fileName) +/* + * Creates the text file specified in 'filename' which will contain + * a minimal data dictionary of all tables accessible by the user specified + * in 'userID' + * + * userID is evaluated in the following manner: + * userID == NULL ... UserID is ignored + * userID == "" ... UserID set equal to 'this->uid' + * userID != "" ... UserID set equal to 'userID' + * + * NOTE: ALL column bindings associated with this wxDb instance are unbound + * by this function. This function should use its own wxDb instance + * to avoid undesired unbinding of columns. + */ +{ + wxASSERT(fileName.Length()); + + RETCODE retcode; + SDWORD cb; + wxChar tblName[DB_MAX_TABLE_NAME_LEN+1]; + wxString tblNameSave; + wxChar colName[DB_MAX_COLUMN_NAME_LEN+1]; + SWORD sqlDataType; + wxChar typeName[30+1]; + SDWORD precision, length; + + FILE *fp = wxFopen(fileName.c_str(),wxT("wt")); + if (fp == NULL) + return false; + + SQLFreeStmt(hstmt, SQL_CLOSE); + + wxString UserID; + convertUserID(userID,UserID); + + if (!UserID.empty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsFIREBIRD && + Dbms() != dbmsINTERBASE && + Dbms() != dbmsMS_SQL_SERVER) + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + (SQLTCHAR *) UserID.c_str(), SQL_NTS, // User specified + NULL, 0, // All tables + NULL, 0); // All columns + } + else + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + NULL, 0, // User specified + NULL, 0, // All tables + NULL, 0); // All columns + } + if (retcode != SQL_SUCCESS) + { + DispAllErrors(henv, hdbc, hstmt); + fclose(fp); + return false; + } + + wxString outStr; + tblNameSave.Empty(); + int cnt = 0; + + while (true) + { + retcode = SQLFetch(hstmt); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) + break; + + GetData(3,SQL_C_WXCHAR, (UCHAR *) tblName, DB_MAX_TABLE_NAME_LEN+1, &cb); + GetData(4,SQL_C_WXCHAR, (UCHAR *) colName, DB_MAX_COLUMN_NAME_LEN+1,&cb); + GetData(5,SQL_C_SSHORT, (UCHAR *)&sqlDataType, 0, &cb); + GetData(6,SQL_C_WXCHAR, (UCHAR *) typeName, sizeof(typeName), &cb); + GetData(7,SQL_C_SLONG, (UCHAR *)&precision, 0, &cb); + GetData(8,SQL_C_SLONG, (UCHAR *)&length, 0, &cb); + + if (wxStrcmp(tblName, tblNameSave.c_str())) + { + if (cnt) + wxFputs(wxT("\n"), fp); + wxFputs(wxT("================================ "), fp); + wxFputs(wxT("================================ "), fp); + wxFputs(wxT("===================== "), fp); + wxFputs(wxT("========= "), fp); + wxFputs(wxT("=========\n"), fp); + outStr.Printf(wxT("%-32s %-32s %-21s %9s %9s\n"), + wxT("TABLE NAME"), wxT("COLUMN NAME"), wxT("DATA TYPE"), wxT("PRECISION"), wxT("LENGTH")); + wxFputs(outStr.c_str(), fp); + wxFputs(wxT("================================ "), fp); + wxFputs(wxT("================================ "), fp); + wxFputs(wxT("===================== "), fp); + wxFputs(wxT("========= "), fp); + wxFputs(wxT("=========\n"), fp); + tblNameSave = tblName; + } + + outStr.Printf(wxT("%-32s %-32s (%04d)%-15s %9ld %9ld\n"), + tblName, colName, sqlDataType, typeName, precision, length); + if (wxFputs(outStr.c_str(), fp) == EOF) + { + SQLFreeStmt(hstmt, SQL_CLOSE); + fclose(fp); + return false; + } + cnt++; + } + + if (retcode != SQL_NO_DATA_FOUND) + DispAllErrors(henv, hdbc, hstmt); + + SQLFreeStmt(hstmt, SQL_CLOSE); + + fclose(fp); + return(retcode == SQL_NO_DATA_FOUND); + +} // wxDb::Catalog() + + +bool wxDb::TableExists(const wxString &tableName, const wxChar *userID, const wxString &tablePath) +/* + * Table name can refer to a table, view, alias or synonym. Returns true + * if the object exists in the database. This function does not indicate + * whether or not the user has privleges to query or perform other functions + * on the table. + * + * userID is evaluated in the following manner: + * userID == NULL ... UserID is ignored + * userID == "" ... UserID set equal to 'this->uid' + * userID != "" ... UserID set equal to 'userID' + */ +{ + wxASSERT(tableName.Length()); + + wxString TableName; + + if (Dbms() == dbmsDBASE) + { + wxString dbName; + if (tablePath.Length()) + dbName.Printf(wxT("%s/%s.dbf"), tablePath.c_str(), tableName.c_str()); + else + dbName.Printf(wxT("%s.dbf"), tableName.c_str()); + + bool exists; + exists = wxFileExists(dbName); + return exists; + } + + wxString UserID; + convertUserID(userID,UserID); + + TableName = tableName; + // Oracle and Interbase table names are uppercase only, so force + // the name to uppercase just in case programmer forgot to do this + if ((Dbms() == dbmsORACLE) || + (Dbms() == dbmsFIREBIRD) || + (Dbms() == dbmsINTERBASE)) + TableName = TableName.Upper(); + + SQLFreeStmt(hstmt, SQL_CLOSE); + RETCODE retcode; + + // Some databases cannot accept a user name when looking up table names, + // so we use the call below that leaves out the user name + if (!UserID.empty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsMS_SQL_SERVER && + Dbms() != dbmsDB2 && + Dbms() != dbmsFIREBIRD && + Dbms() != dbmsINTERBASE && + Dbms() != dbmsPERVASIVE_SQL) + { + retcode = SQLTables(hstmt, + NULL, 0, // All qualifiers + (SQLTCHAR *) UserID.c_str(), SQL_NTS, // Only tables owned by this user + (SQLTCHAR FAR *)TableName.c_str(), SQL_NTS, + NULL, 0); // All table types + } + else + { + retcode = SQLTables(hstmt, + NULL, 0, // All qualifiers + NULL, 0, // All owners + (SQLTCHAR FAR *)TableName.c_str(), SQL_NTS, + NULL, 0); // All table types + } + if (retcode != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc, hstmt)); + + retcode = SQLFetch(hstmt); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) + { + SQLFreeStmt(hstmt, SQL_CLOSE); + return(DispAllErrors(henv, hdbc, hstmt)); + } + + SQLFreeStmt(hstmt, SQL_CLOSE); + + return true; + +} // wxDb::TableExists() + + +/********** wxDb::TablePrivileges() **********/ +bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, const wxChar *userID, + const wxChar *schema, const wxString &WXUNUSED(tablePath)) +{ + wxASSERT(tableName.Length()); + + wxDbTablePrivilegeInfo result; + SDWORD cbRetVal; + RETCODE retcode; + + // We probably need to be able to dynamically set this based on + // the driver type, and state. + wxChar curRole[]=wxT("public"); + + wxString TableName; + + wxString UserID,Schema; + convertUserID(userID,UserID); + convertUserID(schema,Schema); + + TableName = tableName; + // Oracle and Interbase table names are uppercase only, so force + // the name to uppercase just in case programmer forgot to do this + if ((Dbms() == dbmsORACLE) || + (Dbms() == dbmsFIREBIRD) || + (Dbms() == dbmsINTERBASE)) + TableName = TableName.Upper(); + + SQLFreeStmt(hstmt, SQL_CLOSE); + + // Some databases cannot accept a user name when looking up table names, + // so we use the call below that leaves out the user name + if (!Schema.empty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsMS_SQL_SERVER) + { + retcode = SQLTablePrivileges(hstmt, + NULL, 0, // Catalog + (SQLTCHAR FAR *)Schema.c_str(), SQL_NTS, // Schema + (SQLTCHAR FAR *)TableName.c_str(), SQL_NTS); + } + else + { + retcode = SQLTablePrivileges(hstmt, + NULL, 0, // Catalog + NULL, 0, // Schema + (SQLTCHAR FAR *)TableName.c_str(), SQL_NTS); + } + +#ifdef DBDEBUG_CONSOLE + wxFprintf(stderr ,wxT("SQLTablePrivileges() returned %i \n"),retcode); +#endif + + if ((retcode != SQL_SUCCESS) && (retcode != SQL_SUCCESS_WITH_INFO)) + return (DispAllErrors(henv, hdbc, hstmt)); + + bool failed = false; + retcode = SQLFetch(hstmt); + while (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO) + { + if (SQLGetData(hstmt, 1, SQL_C_WXCHAR, (UCHAR*) result.tableQual, sizeof(result.tableQual), &cbRetVal) != SQL_SUCCESS) + failed = true; + + if (!failed && SQLGetData(hstmt, 2, SQL_C_WXCHAR, (UCHAR*) result.tableOwner, sizeof(result.tableOwner), &cbRetVal) != SQL_SUCCESS) + failed = true; + + if (!failed && SQLGetData(hstmt, 3, SQL_C_WXCHAR, (UCHAR*) result.tableName, sizeof(result.tableName), &cbRetVal) != SQL_SUCCESS) + failed = true; + + if (!failed && SQLGetData(hstmt, 4, SQL_C_WXCHAR, (UCHAR*) result.grantor, sizeof(result.grantor), &cbRetVal) != SQL_SUCCESS) + failed = true; + + if (!failed && SQLGetData(hstmt, 5, SQL_C_WXCHAR, (UCHAR*) result.grantee, sizeof(result.grantee), &cbRetVal) != SQL_SUCCESS) + failed = true; + + if (!failed && SQLGetData(hstmt, 6, SQL_C_WXCHAR, (UCHAR*) result.privilege, sizeof(result.privilege), &cbRetVal) != SQL_SUCCESS) + failed = true; + + if (!failed && SQLGetData(hstmt, 7, SQL_C_WXCHAR, (UCHAR*) result.grantable, sizeof(result.grantable), &cbRetVal) != SQL_SUCCESS) + failed = true; + + if (failed) + { + return(DispAllErrors(henv, hdbc, hstmt)); + } +#ifdef DBDEBUG_CONSOLE + wxFprintf(stderr,wxT("Scanning %s privilege on table %s.%s granted by %s to %s\n"), + result.privilege,result.tableOwner,result.tableName, + result.grantor, result.grantee); +#endif + + if (UserID.IsSameAs(result.tableOwner,false)) + { + SQLFreeStmt(hstmt, SQL_CLOSE); + return true; + } + + if (UserID.IsSameAs(result.grantee,false) && + !wxStrcmp(result.privilege,priv)) + { + SQLFreeStmt(hstmt, SQL_CLOSE); + return true; + } + + if (!wxStrcmp(result.grantee,curRole) && + !wxStrcmp(result.privilege,priv)) + { + SQLFreeStmt(hstmt, SQL_CLOSE); + return true; + } + + retcode = SQLFetch(hstmt); + } + + SQLFreeStmt(hstmt, SQL_CLOSE); + return false; + +} // wxDb::TablePrivileges + + +const wxString wxDb::SQLTableName(const wxChar *tableName) +{ + wxString TableName; + + if (Dbms() == dbmsACCESS) + TableName = _T("\""); + TableName += tableName; + if (Dbms() == dbmsACCESS) + TableName += _T("\""); + + return TableName; +} // wxDb::SQLTableName() + + +const wxString wxDb::SQLColumnName(const wxChar *colName) +{ + wxString ColName; + + if (Dbms() == dbmsACCESS) + ColName = _T("\""); + ColName += colName; + if (Dbms() == dbmsACCESS) + ColName += _T("\""); + + return ColName; +} // wxDb::SQLColumnName() + + +/********** wxDb::SetSqlLogging() **********/ +bool wxDb::SetSqlLogging(wxDbSqlLogState state, const wxString &filename, bool append) +{ + wxASSERT(state == sqlLogON || state == sqlLogOFF); + wxASSERT(state == sqlLogOFF || filename.Length()); + + if (state == sqlLogON) + { + if (fpSqlLog == 0) + { + fpSqlLog = wxFopen(filename.c_str(), (append ? wxT("at") : wxT("wt"))); + if (fpSqlLog == NULL) + return false; + } + } + else // sqlLogOFF + { + if (fpSqlLog) + { + if (fclose(fpSqlLog)) + return false; + fpSqlLog = 0; + } + } + + sqlLogState = state; + return true; + +} // wxDb::SetSqlLogging() + + +/********** wxDb::WriteSqlLog() **********/ +bool wxDb::WriteSqlLog(const wxString &logMsg) +{ + wxASSERT(logMsg.Length()); + + if (fpSqlLog == 0 || sqlLogState == sqlLogOFF) + return false; + + if (wxFputs(wxT("\n"), fpSqlLog) == EOF) + return false; + if (wxFputs(logMsg, fpSqlLog) == EOF) + return false; + if (wxFputs(wxT("\n"), fpSqlLog) == EOF) + return false; + + return true; + +} // wxDb::WriteSqlLog() + + +/********** wxDb::Dbms() **********/ +wxDBMS wxDb::Dbms(void) /* * Be aware that not all database engines use the exact same syntax, and not * every ODBC compliant database is compliant to the same level of compliancy. * Some manufacturers support the minimum Level 1 compliancy, and others up * through Level 3. Others support subsets of features for levels above 1. * - * If you find an inconsistency between the wxDB class and a specific database + * If you find an inconsistency between the wxDb class and a specific database * engine, and an identifier to this section, and special handle the database in * the area where behavior is non-conforming with the other databases. * @@ -1675,208 +3828,632 @@ bool wxDB::WriteSqlLog(char *logMsg) * --------------------------------------------------- * * ORACLE - * - Currently the only database supported by the class to support VIEWS + * - Currently the only database supported by the class to support VIEWS * * DBASE - * - Does not support the SQL_TIMESTAMP structure - * - Supports only one cursor and one connect (apparently? with Microsoft driver only?) - * - Does not automatically create the primary index if the 'keyField' param of SetColDef - * is TRUE. The user must create ALL indexes from their program. - * - Table names can only be 8 characters long - * - Column names can only be 10 characters long + * - Does not support the SQL_TIMESTAMP structure + * - Supports only one cursor and one connect (apparently? with Microsoft driver only?) + * - Does not automatically create the primary index if the 'keyField' param of SetColDef + * is true. The user must create ALL indexes from their program. + * - Table names can only be 8 characters long + * - Column names can only be 10 characters long * * SYBASE (all) - * - To lock a record during QUERY functions, the reserved word 'HOLDLOCK' must be added - * after every table name involved in the query/join if that tables matching record(s) - * are to be locked - * - Ignores the keywords 'FOR UPDATE'. Use the HOLDLOCK functionality described above + * - To lock a record during QUERY functions, the reserved word 'HOLDLOCK' must be added + * after every table name involved in the query/join if that tables matching record(s) + * are to be locked + * - Ignores the keywords 'FOR UPDATE'. Use the HOLDLOCK functionality described above * * SYBASE (Enterprise) - * - If a column is part of the Primary Key, the column cannot be NULL + * - If a column is part of the Primary Key, the column cannot be NULL + * - Maximum row size is somewhere in the neighborhood of 1920 bytes * * MY_SQL - * - If a column is part of the Primary Key, the column cannot be NULL - * - Cannot support selecting for update [::CanSelectForUpdate()]. Always returns FALSE + * - If a column is part of the Primary Key, the column cannot be NULL + * - Cannot support selecting for update [::CanSelectForUpdate()]. Always returns FALSE + * - Columns that are part of primary or secondary keys must be defined as being NOT NULL + * when they are created. Some code is added in ::CreateIndex to try to adjust the + * column definition if it is not defined correctly, but it is experimental + * - Does not support sub-queries in SQL statements * * POSTGRES - * - Does not support the keywords 'ASC' or 'DESC' as of release v6.5.0 + * - Does not support the keywords 'ASC' or 'DESC' as of release v6.5.0 + * - Does not support sub-queries in SQL statements * + * DB2 + * - Primary keys must be declared as NOT NULL + * - Table and index names must not be longer than 13 characters in length (technically + * table names can be up to 18 characters, but the primary index is created using the + * base table name plus "_PIDX", so the limit if the table has a primary index is 13. * + * PERVASIVE SQL + * + * INTERBASE + * - Columns that are part of primary keys must be defined as being NOT NULL + * when they are created. Some code is added in ::CreateIndex to try to adjust the + * column definition if it is not defined correctly, but it is experimental */ -DBMS wxDB::Dbms(void) -{ - if (!strnicmp(dbInf.dbmsName,"Oracle",6)) - return(dbmsORACLE); - if (!stricmp(dbInf.dbmsName,"Adaptive Server Anywhere")) - return(dbmsSYBASE_ASA); - if (!stricmp(dbInf.dbmsName,"SQL Server")) // Sybase Adaptive Server Enterprise - return(dbmsSYBASE_ASE); - if (!stricmp(dbInf.dbmsName,"Microsoft SQL Server")) - return(dbmsMS_SQL_SERVER); - if (!stricmp(dbInf.dbmsName,"MySQL")) - return(dbmsMY_SQL); - if (!stricmp(dbInf.dbmsName,"PostgresSQL")) // v6.5.0 - return(dbmsPOSTGRES); - if (!stricmp(dbInf.dbmsName,"ACCESS")) - return(dbmsACCESS); - if (!strnicmp(dbInf.dbmsName,"DBASE",5)) - return(dbmsDBASE); - return(dbmsUNIDENTIFIED); - -} // wxDB::Dbms() - - -/********** GetDbConnection() **********/ -wxDB* WXDLLEXPORT GetDbConnection(DbStuff *pDbStuff) -{ - DbList *pList; - - // Scan the linked list searching for an available database connection - // that's already been opened but is currently not in use. - for (pList = PtrBegDbList; pList; pList = pList->PtrNext) - { - // The database connection must be for the same datasource - // name and must currently not be in use. - if (pList->Free && (! strcmp(pDbStuff->Dsn, pList->Dsn))) // Found a free connection - { - pList->Free = FALSE; - return(pList->PtrDb); - } - } - - // No available connections. A new connection must be made and - // appended to the end of the linked list. - if (PtrBegDbList) - { - // Find the end of the list - for (pList = PtrBegDbList; pList->PtrNext; pList = pList->PtrNext); - // Append a new list item - pList->PtrNext = new DbList; - pList->PtrNext->PtrPrev = pList; - pList = pList->PtrNext; - } - else // Empty list - { - // Create the first node on the list - pList = PtrBegDbList = new DbList; - pList->PtrPrev = 0; - } - - // Initialize new node in the linked list - pList->PtrNext = 0; - pList->Free = FALSE; - strcpy(pList->Dsn, pDbStuff->Dsn); - pList->PtrDb = new wxDB(pDbStuff->Henv); - - // Connect to the datasource - if (pList->PtrDb->Open(pDbStuff->Dsn, pDbStuff->Uid, pDbStuff->AuthStr)) - { - pList->PtrDb->SqlLog(SQLLOGstate,SQLLOGfn,TRUE); - return(pList->PtrDb); - } - else // Unable to connect, destroy list item - { - if (pList->PtrPrev) - pList->PtrPrev->PtrNext = 0; - else - PtrBegDbList = 0; // Empty list again - pList->PtrDb->CommitTrans(); // Commit any open transactions on wxDB object - pList->PtrDb->Close(); // Close the wxDB object - delete pList->PtrDb; // Deletes the wxDB object - delete pList; // Deletes the linked list object - return(0); - } - -} // GetDbConnection() - -/********** FreeDbConnection() **********/ -bool WXDLLEXPORT FreeDbConnection(wxDB *pDb) -{ - DbList *pList; - - // Scan the linked list searching for the database connection - for (pList = PtrBegDbList; pList; pList = pList->PtrNext) - { - if (pList->PtrDb == pDb) // Found it!!! - return(pList->Free = TRUE); - } - - // Never found the database object, return failure - return(FALSE); - -} // FreeDbConnection() - -/********** CloseDbConnections() **********/ -void WXDLLEXPORT CloseDbConnections(void) -{ - DbList *pList, *pNext; - - // Traverse the linked list closing database connections and freeing memory as I go. - for (pList = PtrBegDbList; pList; pList = pNext) - { - pNext = pList->PtrNext; // Save the pointer to next - pList->PtrDb->CommitTrans(); // Commit any open transactions on wxDB object - pList->PtrDb->Close(); // Close the wxDB object - delete pList->PtrDb; // Deletes the wxDB object - delete pList; // Deletes the linked list object - } - - // Mark the list as empty - PtrBegDbList = 0; - -} // CloseDbConnections() - -/********** NumberDbConnectionsInUse() **********/ -int WXDLLEXPORT NumberDbConnectionsInUse(void) -{ - DbList *pList; - int cnt = 0; - - // Scan the linked list counting db connections that are currently in use - for (pList = PtrBegDbList; pList; pList = pList->PtrNext) - { - if (pList->Free == FALSE) - cnt++; - } - - return(cnt); - -} // NumberDbConnectionsInUse() - -/********** SqlLog() **********/ -bool SqlLog(enum sqlLog state, char *filename) -{ - bool append = FALSE; - DbList *pList; - - for (pList = PtrBegDbList; pList; pList = pList->PtrNext) - { - if (!pList->PtrDb->SqlLog(state,filename,append)) - return(FALSE); - append = TRUE; - } - - SQLLOGstate = state; - strcpy(SQLLOGfn,filename); - - return(TRUE); - -} // SqlLog() - -/********** GetDataSource() **********/ -bool GetDataSource(HENV henv, char *Dsn, SWORD DsnMax, char *DsDesc, SWORD DsDescMax, - UWORD direction) { - SWORD cb; + // Should only need to do this once for each new database connection + // so return the value we already determined it to be to save time + // and lots of string comparisons + if (dbmsType != dbmsUNIDENTIFIED) + return(dbmsType); + +#ifdef DBDEBUG_CONSOLE + // When run in console mode, use standard out to display errors. + cout << "Database connecting to: " << dbInf.dbmsName << endl; +#endif // DBDEBUG_CONSOLE + + wxLogDebug(wxT("Database connecting to: ")); + wxLogDebug(dbInf.dbmsName); + + wxChar baseName[25+1]; + wxStrncpy(baseName, dbInf.dbmsName, 25); + baseName[25] = 0; + + // RGG 20001025 : add support for Interbase + // GT : Integrated to base classes on 20001121 + if (!wxStricmp(dbInf.dbmsName,wxT("Interbase"))) + return((wxDBMS)(dbmsType = dbmsINTERBASE)); + + // BJO 20000428 : add support for Virtuoso + if (!wxStricmp(dbInf.dbmsName,wxT("OpenLink Virtuoso VDBMS"))) + return((wxDBMS)(dbmsType = dbmsVIRTUOSO)); + + if (!wxStricmp(dbInf.dbmsName,wxT("Adaptive Server Anywhere"))) + return((wxDBMS)(dbmsType = dbmsSYBASE_ASA)); + + // BJO 20000427 : The "SQL Server" string is also returned by SQLServer when + // connected through an OpenLink driver. + // Is it also returned by Sybase Adapatitve server? + // OpenLink driver name is OLOD3032.DLL for msw and oplodbc.so for unix + if (!wxStricmp(dbInf.dbmsName,wxT("SQL Server"))) + { + if (!wxStrncmp(dbInf.driverName, wxT("oplodbc"), 7) || + !wxStrncmp(dbInf.driverName, wxT("OLOD"), 4)) + return ((wxDBMS)(dbmsMS_SQL_SERVER)); + else + return ((wxDBMS)(dbmsType = dbmsSYBASE_ASE)); + } + + if (!wxStricmp(dbInf.dbmsName,wxT("Microsoft SQL Server"))) + return((wxDBMS)(dbmsType = dbmsMS_SQL_SERVER)); + + baseName[10] = 0; + if (!wxStricmp(baseName,wxT("PostgreSQL"))) // v6.5.0 + return((wxDBMS)(dbmsType = dbmsPOSTGRES)); + + baseName[9] = 0; + if (!wxStricmp(baseName,wxT("Pervasive"))) + return((wxDBMS)(dbmsType = dbmsPERVASIVE_SQL)); + + baseName[8] = 0; + if (!wxStricmp(baseName,wxT("Informix"))) + return((wxDBMS)(dbmsType = dbmsINFORMIX)); + + if (!wxStricmp(baseName,wxT("Firebird"))) + return((wxDBMS)(dbmsType = dbmsFIREBIRD)); + + baseName[6] = 0; + if (!wxStricmp(baseName,wxT("Oracle"))) + return((wxDBMS)(dbmsType = dbmsORACLE)); + if (!wxStricmp(baseName,wxT("ACCESS"))) + return((wxDBMS)(dbmsType = dbmsACCESS)); + if (!wxStricmp(baseName,wxT("Sybase"))) + return((wxDBMS)(dbmsType = dbmsSYBASE_ASE)); + + baseName[5] = 0; + if (!wxStricmp(baseName,wxT("DBASE"))) + return((wxDBMS)(dbmsType = dbmsDBASE)); + if (!wxStricmp(baseName,wxT("xBase"))) + return((wxDBMS)(dbmsType = dbmsXBASE_SEQUITER)); + if (!wxStricmp(baseName,wxT("MySQL"))) + return((wxDBMS)(dbmsType = dbmsMY_SQL)); + if (!wxStricmp(baseName,wxT("MaxDB"))) + return((wxDBMS)(dbmsType = dbmsMAXDB)); + + baseName[3] = 0; + if (!wxStricmp(baseName,wxT("DB2"))) + return((wxDBMS)(dbmsType = dbmsDBASE)); + + return((wxDBMS)(dbmsType = dbmsUNIDENTIFIED)); + +} // wxDb::Dbms() + + +bool wxDb::ModifyColumn(const wxString &tableName, const wxString &columnName, + int dataType, ULONG columnLength, + const wxString &optionalParam) +{ + wxASSERT(tableName.Length()); + wxASSERT(columnName.Length()); + wxASSERT((dataType == DB_DATA_TYPE_VARCHAR && columnLength > 0) || + dataType != DB_DATA_TYPE_VARCHAR); + + // Must specify a columnLength if modifying a VARCHAR type column + if (dataType == DB_DATA_TYPE_VARCHAR && !columnLength) + return false; + + wxString dataTypeName; + wxString sqlStmt; + wxString alterSlashModify; + + switch(dataType) + { + case DB_DATA_TYPE_VARCHAR : + dataTypeName = typeInfVarchar.TypeName; + break; + case DB_DATA_TYPE_INTEGER : + dataTypeName = typeInfInteger.TypeName; + break; + case DB_DATA_TYPE_FLOAT : + dataTypeName = typeInfFloat.TypeName; + break; + case DB_DATA_TYPE_DATE : + dataTypeName = typeInfDate.TypeName; + break; + case DB_DATA_TYPE_BLOB : + dataTypeName = typeInfBlob.TypeName; + break; + default: + return false; + } + + // Set the modify or alter syntax depending on the type of database connected to + switch (Dbms()) + { + case dbmsORACLE : + alterSlashModify = _T("MODIFY"); + break; + case dbmsMS_SQL_SERVER : + alterSlashModify = _T("ALTER COLUMN"); + break; + case dbmsUNIDENTIFIED : + return false; + case dbmsSYBASE_ASA : + case dbmsSYBASE_ASE : + case dbmsMY_SQL : + case dbmsPOSTGRES : + case dbmsACCESS : + case dbmsDBASE : + case dbmsXBASE_SEQUITER : + default : + alterSlashModify = _T("MODIFY"); + break; + } + + // create the SQL statement + if ( Dbms() == dbmsMY_SQL ) + { + sqlStmt.Printf(wxT("ALTER TABLE %s %s %s %s"), tableName.c_str(), alterSlashModify.c_str(), + columnName.c_str(), dataTypeName.c_str()); + } + else + { + sqlStmt.Printf(wxT("ALTER TABLE \"%s\" \"%s\" \"%s\" %s"), tableName.c_str(), alterSlashModify.c_str(), + columnName.c_str(), dataTypeName.c_str()); + } + + // For varchars only, append the size of the column + if (dataType == DB_DATA_TYPE_VARCHAR && + (Dbms() != dbmsMY_SQL || dataTypeName != _T("text"))) + { + wxString s; + s.Printf(wxT("(%lu)"), columnLength); + sqlStmt += s; + } + + // for passing things like "NOT NULL" + if (optionalParam.Length()) + { + sqlStmt += wxT(" "); + sqlStmt += optionalParam; + } + + return ExecSql(sqlStmt); + +} // wxDb::ModifyColumn() + + +/********** wxDbGetConnection() **********/ +wxDb WXDLLIMPEXP_ODBC *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnlyCursors) +{ + wxDbList *pList; + + // Used to keep a pointer to a DB connection that matches the requested + // DSN and FwdOnlyCursors settings, even if it is not FREE, so that the + // data types can be copied from it (using the wxDb::Open(wxDb *) function) + // rather than having to re-query the datasource to get all the values + // using the wxDb::Open(Dsn,Uid,AuthStr) function + wxDb *matchingDbConnection = NULL; + + // Scan the linked list searching for an available database connection + // that's already been opened but is currently not in use. + for (pList = PtrBegDbList; pList; pList = pList->PtrNext) + { + // The database connection must be for the same datasource + // name and must currently not be in use. + if (pList->Free && + (pList->PtrDb->FwdOnlyCursors() == FwdOnlyCursors)) + { + if (pDbConfig->UseConnectionStr()) + { + if (pList->PtrDb->OpenedWithConnectionString() && + (!wxStrcmp(pDbConfig->GetConnectionStr(), pList->ConnectionStr))) + { + // Found a free connection + pList->Free = false; + return(pList->PtrDb); + } + } + else + { + if (!pList->PtrDb->OpenedWithConnectionString() && + (!wxStrcmp(pDbConfig->GetDsn(), pList->Dsn))) + { + // Found a free connection + pList->Free = false; + return(pList->PtrDb); + } + } + } + + if (pDbConfig->UseConnectionStr()) + { + if (!wxStrcmp(pDbConfig->GetConnectionStr(), pList->ConnectionStr)) + matchingDbConnection = pList->PtrDb; + } + else + { + if (!wxStrcmp(pDbConfig->GetDsn(), pList->Dsn) && + !wxStrcmp(pDbConfig->GetUserID(), pList->Uid) && + !wxStrcmp(pDbConfig->GetPassword(), pList->AuthStr)) + matchingDbConnection = pList->PtrDb; + } + } + + // No available connections. A new connection must be made and + // appended to the end of the linked list. + if (PtrBegDbList) + { + // Find the end of the list + for (pList = PtrBegDbList; pList->PtrNext; pList = pList->PtrNext); + // Append a new list item + pList->PtrNext = new wxDbList; + pList->PtrNext->PtrPrev = pList; + pList = pList->PtrNext; + } + else // Empty list + { + // Create the first node on the list + pList = PtrBegDbList = new wxDbList; + pList->PtrPrev = 0; + } + + // Initialize new node in the linked list + pList->PtrNext = 0; + pList->Free = false; + pList->Dsn = pDbConfig->GetDsn(); + pList->Uid = pDbConfig->GetUserID(); + pList->AuthStr = pDbConfig->GetPassword(); + pList->ConnectionStr = pDbConfig->GetConnectionStr(); + + pList->PtrDb = new wxDb(pDbConfig->GetHenv(), FwdOnlyCursors); + + bool opened; + + if (!matchingDbConnection) + { + if (pDbConfig->UseConnectionStr()) + { + opened = pList->PtrDb->Open(pDbConfig->GetConnectionStr()); + } + else + { + opened = pList->PtrDb->Open(pDbConfig->GetDsn(), pDbConfig->GetUserID(), pDbConfig->GetPassword()); + } + } + else + opened = pList->PtrDb->Open(matchingDbConnection); + + // Connect to the datasource + if (opened) + { + pList->PtrDb->setCached(true); // Prevent a user from deleting a cached connection + pList->PtrDb->SetSqlLogging(SQLLOGstate, SQLLOGfn, true); + return(pList->PtrDb); + } + else // Unable to connect, destroy list item + { + if (pList->PtrPrev) + pList->PtrPrev->PtrNext = 0; + else + PtrBegDbList = 0; // Empty list again + + pList->PtrDb->CommitTrans(); // Commit any open transactions on wxDb object + pList->PtrDb->Close(); // Close the wxDb object + delete pList->PtrDb; // Deletes the wxDb object + delete pList; // Deletes the linked list object + return(0); + } + +} // wxDbGetConnection() + + +/********** wxDbFreeConnection() **********/ +bool WXDLLIMPEXP_ODBC wxDbFreeConnection(wxDb *pDb) +{ + wxDbList *pList; + + // Scan the linked list searching for the database connection + for (pList = PtrBegDbList; pList; pList = pList->PtrNext) + { + if (pList->PtrDb == pDb) // Found it, now free it!!! + return (pList->Free = true); + } + + // Never found the database object, return failure + return false; + +} // wxDbFreeConnection() + + +/********** wxDbCloseConnections() **********/ +void WXDLLIMPEXP_ODBC wxDbCloseConnections(void) +{ + wxDbList *pList, *pNext; + + // Traverse the linked list closing database connections and freeing memory as I go. + for (pList = PtrBegDbList; pList; pList = pNext) + { + pNext = pList->PtrNext; // Save the pointer to next + pList->PtrDb->CommitTrans(); // Commit any open transactions on wxDb object + pList->PtrDb->Close(); // Close the wxDb object + pList->PtrDb->setCached(false); // Allows deletion of the wxDb instance + delete pList->PtrDb; // Deletes the wxDb object + delete pList; // Deletes the linked list object + } + + // Mark the list as empty + PtrBegDbList = 0; + +} // wxDbCloseConnections() + + +/********** wxDbConnectionsInUse() **********/ +int WXDLLIMPEXP_ODBC wxDbConnectionsInUse(void) +{ + wxDbList *pList; + int cnt = 0; - if (SQLDataSources(henv, direction, (UCHAR FAR *) Dsn, DsnMax, &cb, - (UCHAR FAR *) DsDesc, DsDescMax, &cb) == SQL_SUCCESS) - return(TRUE); - else - return(FALSE); + // Scan the linked list counting db connections that are currently in use + for (pList = PtrBegDbList; pList; pList = pList->PtrNext) + { + if (pList->Free == false) + cnt++; + } -} // GetDataSource() + return(cnt); +} // wxDbConnectionsInUse() + + + +/********** wxDbLogExtendedErrorMsg() **********/ +// DEBUG ONLY function +const wxChar WXDLLIMPEXP_ODBC *wxDbLogExtendedErrorMsg(const wxChar *userText, + wxDb *pDb, + const wxChar *ErrFile, + int ErrLine) +{ + static wxString msg; + msg = userText; + + wxString tStr; + + if (ErrFile || ErrLine) + { + msg += wxT("File: "); + msg += ErrFile; + msg += wxT(" Line: "); + tStr.Printf(wxT("%d"),ErrLine); + msg += tStr.c_str(); + msg += wxT("\n"); + } + + msg.Append (wxT("\nODBC errors:\n")); + msg += wxT("\n"); + + // Display errors for this connection + int i; + for (i = 0; i < DB_MAX_ERROR_HISTORY; i++) + { + if (pDb->errorList[i]) + { + msg.Append(pDb->errorList[i]); + if (wxStrcmp(pDb->errorList[i], wxEmptyString) != 0) + msg.Append(wxT("\n")); + // Clear the errmsg buffer so the next error will not + // end up showing the previous error that have occurred + wxStrcpy(pDb->errorList[i], wxEmptyString); + } + } + msg += wxT("\n"); + + wxLogDebug(msg.c_str()); + + return msg.c_str(); +} // wxDbLogExtendedErrorMsg() + + +/********** wxDbSqlLog() **********/ +bool wxDbSqlLog(wxDbSqlLogState state, const wxChar *filename) +{ + bool append = false; + wxDbList *pList; + + for (pList = PtrBegDbList; pList; pList = pList->PtrNext) + { + if (!pList->PtrDb->SetSqlLogging(state,filename,append)) + return false; + append = true; + } + + SQLLOGstate = state; + SQLLOGfn = filename; + + return true; + +} // wxDbSqlLog() + + +#if 0 +/********** wxDbCreateDataSource() **********/ +int wxDbCreateDataSource(const wxString &driverName, const wxString &dsn, const wxString &description, + bool sysDSN, const wxString &defDir, wxWindow *parent) +/* + * !!!! ONLY FUNCTIONAL UNDER MSW with VC6 !!!! + * Very rudimentary creation of an ODBC data source. + * + * ODBC driver must be ODBC 3.0 compliant to use this function + */ +{ + int result = FALSE; + +//!!!! ONLY FUNCTIONAL UNDER MSW with VC6 !!!! +#ifdef __VISUALC__ + int dsnLocation; + wxString setupStr; + + if (sysDSN) + dsnLocation = ODBC_ADD_SYS_DSN; + else + dsnLocation = ODBC_ADD_DSN; + + // NOTE: The decimal 2 is an invalid character in all keyword pairs + // so that is why I used it, as wxString does not deal well with + // embedded nulls in strings + setupStr.Printf(wxT("DSN=%s%cDescription=%s%cDefaultDir=%s%c"),dsn,2,description,2,defDir,2); + + // Replace the separator from above with the '\0' seperator needed + // by the SQLConfigDataSource() function + int k; + do + { + k = setupStr.Find((wxChar)2,true); + if (k != wxNOT_FOUND) + setupStr[(UINT)k] = wxT('\0'); + } + while (k != wxNOT_FOUND); + + result = SQLConfigDataSource((HWND)parent->GetHWND(), dsnLocation, + driverName, setupStr.c_str()); + + if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) + { + // check for errors caused by ConfigDSN based functions + DWORD retcode = 0; + WORD cb; + wxChar errMsg[SQL_MAX_MESSAGE_LENGTH]; + errMsg[0] = wxT('\0'); + + // This function is only supported in ODBC drivers v3.0 compliant and above + SQLInstallerError(1,&retcode,errMsg,SQL_MAX_MESSAGE_LENGTH-1,&cb); + if (retcode) + { +#ifdef DBDEBUG_CONSOLE + // When run in console mode, use standard out to display errors. + cout << errMsg << endl; + cout << wxT("Press any key to continue...") << endl; + getchar(); +#endif // DBDEBUG_CONSOLE + +#ifdef __WXDEBUG__ + wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE")); +#endif // __WXDEBUG__ + } + } + else + result = TRUE; +#else + // Using iODBC/unixODBC or some other compiler which does not support the APIs + // necessary to use this function, so this function is not supported +#ifdef __WXDEBUG__ + wxLogDebug(wxT("wxDbCreateDataSource() not available except under VC++/MSW"),wxT("ODBC DEBUG MESSAGE")); +#endif + result = FALSE; +#endif // __VISUALC__ + + return result; + +} // wxDbCreateDataSource() #endif - // wxUSE_ODBC + +/********** wxDbGetDataSource() **********/ +bool wxDbGetDataSource(HENV henv, wxChar *Dsn, SWORD DsnMaxLength, wxChar *DsDesc, + SWORD DsDescMaxLength, UWORD direction) +/* + * Dsn and DsDesc will contain the data source name and data source + * description upon return + */ +{ + SWORD cb1,cb2; + SWORD lengthDsn = (SWORD)(DsnMaxLength*sizeof(wxChar)); + SWORD lengthDsDesc = (SWORD)(DsDescMaxLength*sizeof(wxChar)); + + if (SQLDataSources(henv, direction, (SQLTCHAR FAR *) Dsn, lengthDsn, &cb1, + (SQLTCHAR FAR *) DsDesc, lengthDsDesc, &cb2) == SQL_SUCCESS) + return true; + else + return false; + +} // wxDbGetDataSource() + + +// Change this to 0 to remove use of all deprecated functions +#if wxODBC_BACKWARD_COMPATABILITY +/******************************************************************** + ******************************************************************** + * + * The following functions are all DEPRECATED and are included for + * backward compatability reasons only + * + ******************************************************************** + ********************************************************************/ +bool SqlLog(sqlLog state, const wxChar *filename) +{ + return wxDbSqlLog((enum wxDbSqlLogState)state, filename); +} +/***** DEPRECATED: use wxGetDataSource() *****/ +bool GetDataSource(HENV henv, char *Dsn, SWORD DsnMax, char *DsDesc, SWORD DsDescMax, + UWORD direction) +{ + return wxDbGetDataSource(henv, Dsn, DsnMax, DsDesc, DsDescMax, direction); +} +/***** DEPRECATED: use wxDbGetConnection() *****/ +wxDb WXDLLIMPEXP_ODBC *GetDbConnection(DbStuff *pDbStuff, bool FwdOnlyCursors) +{ + return wxDbGetConnection((wxDbConnectInf *)pDbStuff, FwdOnlyCursors); +} +/***** DEPRECATED: use wxDbFreeConnection() *****/ +bool WXDLLIMPEXP_ODBC FreeDbConnection(wxDb *pDb) +{ + return wxDbFreeConnection(pDb); +} +/***** DEPRECATED: use wxDbCloseConnections() *****/ +void WXDLLIMPEXP_ODBC CloseDbConnections(void) +{ + wxDbCloseConnections(); +} +/***** DEPRECATED: use wxDbConnectionsInUse() *****/ +int WXDLLIMPEXP_ODBC NumberDbConnectionsInUse(void) +{ + return wxDbConnectionsInUse(); +} +#endif + + +#endif + // wxUSE_ODBC