X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fbdcff4a78e03963d750546b8a74752247b38d40..2b1d737b3e9413217302cde932cbc3af91d79024:/src/common/db.cpp diff --git a/src/common/db.cpp b/src/common/db.cpp index 64c41312da..a73b422186 100644 --- a/src/common/db.cpp +++ b/src/common/db.cpp @@ -1,10 +1,12 @@ /////////////////////////////////////////////////////////////////////////////// // 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: George Tasker +// Bart Jourquin +// Mark Johnson, wxWindows@mj10777.de // Mods: Dec, 1998: // -Added support for SQL statement logging and database cataloging // Mods: April, 1999 @@ -16,67 +18,36 @@ // 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 #include "wx/wxprec.h" -// Use this line for wxWindows v1.x -//#include "wx_ver.h" -// Use this line for wxWindows v2.x -#include "wx/version.h" - -#if wxMAJOR_VERSION == 2 - #ifdef __GNUG__ - #pragma implementation "db.h" - #endif +#ifdef __BORLANDC__ + #pragma hdrstop #endif #ifdef DBDEBUG_CONSOLE #include "wx/ioswrap.h" #endif -#ifdef __BORLANDC__ - #pragma hdrstop -#endif //__BORLANDC__ - -#if wxMAJOR_VERSION == 2 - #ifndef WX_PRECOMP - #include "wx/string.h" - #include "wx/object.h" - #include "wx/list.h" - #include "wx/utils.h" - #include "wx/msgdlg.h" - #include "wx/log.h" - #endif - #include "wx/filefn.h" - #include "wx/wxchar.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 @@ -86,184 +57,487 @@ #include #include -#if wxMAJOR_VERSION == 1 - #include "db.h" -#elif wxMAJOR_VERSION == 2 - #include "wx/db.h" -#endif +#include "wx/db.h" + +// DLL options compatibility check: +#include "wx/app.h" +WX_CHECK_BUILD_OPTIONS("wxODBC") -WXDLLEXPORT_DATA(wxDbList*) PtrBegDbList = 0; +WXDLLIMPEXP_DATA_ODBC(wxDbList*) PtrBegDbList = 0; -char const *SQL_LOG_FILENAME = "sqllog.txt"; -char const *SQL_CATALOG_FILENAME = "catalog.txt"; +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 -wxSqlLogState SQLLOGstate = sqlLogOFF; +wxDbSqlLogState SQLLOGstate = sqlLogOFF; -//char SQLLOGfn[DB_PATH_MAX+1] = SQL_LOG_FILENAME; -char *SQLLOGfn = (char*) SQL_LOG_FILENAME; +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 // 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]; +// 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]; -/********** wxColFor Constructor **********/ -wxColFor::wxColFor() +// This type defines the return row-struct form +// SQLTablePrivileges, and is used by wxDB::TablePrivileges. +typedef struct { - i_Nation = 0; // 0=EU, 1=UK, 2=International, 3=US - s_Field = ""; - int i; - for (i=0;i<7;i++) + 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) { - s_Format[i] = ""; - s_Menge[i] = ""; - i_Menge[i] = 0; + wxLogDebug(wxT("A problem occured while trying to get a connection to the data source")); + return false; } - Format(1,DB_DATA_TYPE_VARCHAR,0,0,0); // the Function that does the work -} // wxColFor::wxColFor() + + 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() -wxColFor::~wxColFor() +/********** wxDbColFor::Initialize() **********/ +void wxDbColFor::Initialize() { -} // wxColFor::~wxColFor() + 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() -int wxColFor::Format(int Nation,int dbDataType,SWORD sqlDataType,short columnSize,short decimalDigits) +/********** wxDbColFor::Format() **********/ +int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType, + short columnLength, short decimalDigits) { // ---------------------------------------------------------------------------------------- - // -- 19991224 : mj10777@gmx.net : Create + // -- 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, + // 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 + // There should also be a function to scan in a string to fill the variable // ---------------------------------------------------------------------------------------- - wxString Temp0; - i_Nation = Nation; // 0 = timestamp , 1=EU, 2=UK, 3=International, 4=US + 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_Menge[1].c_str(),i_Menge[1]); // OK for VARCHAR, INTEGER and FLOAT - if (i_dbDataType == 0) // Filter unsupported dbDataTypes + 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) || (i_sqlDataType == SQL_LONGVARCHAR)) + 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) + 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; + 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) // -A-> Still a lot of proper formatting to do + + switch(i_dbDataType) // TBD: Still a lot of proper formatting to do { case DB_DATA_TYPE_VARCHAR: - s_Field = "%s"; // + s_Field = wxT("%s"); break; case DB_DATA_TYPE_INTEGER: - s_Field = "%d"; // + s_Field = wxT("%d"); break; case DB_DATA_TYPE_FLOAT: if (decimalDigits == 0) decimalDigits = 2; - Temp0 = "%"; - Temp0.Printf(wxT("%s%d.%d"),Temp0.c_str(),columnSize,decimalDigits); - s_Field.Printf(wxT("%sf"),Temp0.c_str()); // + 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 = "%04d-%02d-%02d %02d:%02d:%02d.%03d"; + s_Field = wxT("%04d-%02d-%02d %02d:%02d:%02d.%03d"); } if (i_Nation == 1) // European DD.MM.YYYY HH:MM:SS.SSS { - s_Field = "%02d.%02d.%04d %02d:%02d:%02d.%03d"; + s_Field = wxT("%02d.%02d.%04d %02d:%02d:%02d.%03d"); } if (i_Nation == 2) // UK DD/MM/YYYY HH:MM:SS.SSS { - s_Field = "%02d/%02d/%04d %02d:%02d:%02d.%03d"; + s_Field = wxT("%02d/%02d/%04d %02d:%02d:%02d.%03d"); } if (i_Nation == 3) // International YYYY-MM-DD HH:MM:SS.SSS { - s_Field = "%04d-%02d-%02d %02d:%02d:%02d.%03d"; + s_Field = wxT("%04d-%02d-%02d %02d:%02d:%02d.%03d"); } if (i_Nation == 4) // US MM/DD/YYYY HH:MM:SS.SSS { - s_Field = "%02d/%02d/%04d %02d:%02d:%02d.%03d"; + 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("-E-> unknown Format(%d)-sql(%d)"),dbDataType,sqlDataType); // + s_Field.Printf(wxT("Unknown Format(%d)-SQL(%d)"), dbDataType,sqlDataType); // break; }; return TRUE; -} // wxColFor::Format() +} // 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() -/********** wxDB Constructor **********/ -wxDB::wxDB(HENV &aHenv, bool FwdOnlyCursors) +/********** 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() + + +/********** 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() +/* + * 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,wxT("")); - wxStrcpy(errorMsg,wxT("")); + wxStrcpy(sqlState,wxEmptyString); + wxStrcpy(errorMsg,wxEmptyString); nativeError = cbErrorMsg = 0; for (i = 0; i < DB_MAX_ERROR_HISTORY; i++) - wxStrcpy(errorList[i], wxT("")); + wxStrcpy(errorList[i], wxEmptyString); // Init typeInf structures - wxStrcpy(typeInfVarchar.TypeName,wxT("")); + typeInfVarchar.TypeName.Empty(); typeInfVarchar.FsqlType = 0; typeInfVarchar.Precision = 0; typeInfVarchar.CaseSensitive = 0; typeInfVarchar.MaximumScale = 0; - wxStrcpy(typeInfInteger.TypeName,wxT("")); + typeInfInteger.TypeName.Empty(); typeInfInteger.FsqlType = 0; typeInfInteger.Precision = 0; typeInfInteger.CaseSensitive = 0; typeInfInteger.MaximumScale = 0; - wxStrcpy(typeInfFloat.TypeName,wxT("")); + typeInfFloat.TypeName.Empty(); typeInfFloat.FsqlType = 0; typeInfFloat.Precision = 0; typeInfFloat.CaseSensitive = 0; typeInfFloat.MaximumScale = 0; - wxStrcpy(typeInfDate.TypeName,wxT("")); + typeInfDate.TypeName.Empty(); typeInfDate.FsqlType = 0; typeInfDate.Precision = 0; typeInfDate.CaseSensitive = 0; typeInfDate.MaximumScale = 0; - // Error reporting is turned OFF by default - silent = TRUE; + typeInfBlob.TypeName.Empty(); + typeInfBlob.FsqlType = 0; + typeInfBlob.Precision = 0; + typeInfBlob.CaseSensitive = 0; + typeInfBlob.MaximumScale = 0; - // Copy the HENV into the db class - henv = aHenv; - fwdOnlyCursors = FwdOnlyCursors; + // Error reporting is turned OFF by default + silent = true; // Allocate a data source connection handle if (SQLAllocConnect(henv, &hdbc) != SQL_SUCCESS) @@ -273,75 +547,121 @@ wxDB::wxDB(HENV &aHenv, bool FwdOnlyCursors) DB_STATUS = 0; // Mark database as not open as of yet - dbIsOpen = FALSE; + 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(); -} // wxDB::wxDB() + // dBase does not use user names, and some drivers fail if you try to pass one + if ( Dbms() == dbmsDBASE + || Dbms() == dbmsXBASE_SEQUITER ) + UserID.Empty(); + // Oracle user names may only be in uppercase, so force + // the name to uppercase + if (Dbms() == dbmsORACLE) + UserID = UserID.Upper(); -/********** wxDB::Open() **********/ -bool wxDB::Open(char *Dsn, char *Uid, char *AuthStr) -{ - assert(Dsn && wxStrlen(Dsn)); - dsn = Dsn; - uid = Uid; - authStr = AuthStr; + return UserID.c_str(); +} // wxDb::convertUserID() - RETCODE retcode; - 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); +bool wxDb::determineDataTypes(bool failOnDataTypeUnsupported) +{ + size_t iIndex; -#ifdef DBDEBUG_CONSOLE - if (retcode == SQL_SUCCESS) - cout << "SQLSetConnectOption(CURSOR_LIB) successful" << endl; - else - cout << "SQLSetConnectOption(CURSOR_LIB) failed" << endl; + // 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 - } - - // 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)); - -/* - If using Intersolv branded ODBC drivers, this is the place where you would substitute - your branded driver license information + SQL_VARCHAR, +#if wxUSE_UNICODE && defined(SQL_WVARCHAR) + SQL_WCHAR, +#endif + SQL_CHAR + }; - SQLSetConnectOption(hdbc, 1041, (UDWORD) ""); - SQLSetConnectOption(hdbc, 1042, (UDWORD) ""); -*/ + // 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 + }; - // Mark database as open - dbIsOpen = TRUE; + // 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 + }; - // Allocate a statement handle for the database connection - if (SQLAllocStmt(hdbc, &hstmt) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + // 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 + }; - // Set Connection Options - if (! setConnectionOptions()) - return(FALSE); + // 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 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 + // 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 alway's be what we want. These are just + // 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: // @@ -375,413 +695,895 @@ bool wxDB::Open(char *Dsn, char *Uid, char *AuthStr) // 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 + // 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 (! getDataTypeInfo(SQL_DATE, typeInfDate)) - return(FALSE); + // 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 - typeInfDate.FsqlType = SQL_DATE; + typeInfInteger.FsqlType = typeInfFloat.FsqlType; } -#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; -#endif + // --------------- Date/Time --------------- + for (iIndex = 0; iIndex < WXSIZEOF(PossibleSqlDateTypes) && + !getDataTypeInfo(PossibleSqlDateTypes[iIndex], typeInfDate); ++iIndex) + {} - // Completed Successfully - return(TRUE); + if (iIndex < WXSIZEOF(PossibleSqlDateTypes)) + typeInfDate.FsqlType = PossibleSqlDateTypes[iIndex]; + else if (failOnDataTypeUnsupported) + return false; -} // wxDB::Open() + // --------------- 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; -/********** wxDB::setConnectionOptions() **********/ -bool wxDB::setConnectionOptions(void) -/* - * NOTE: The Intersolv/Oracle 7 driver was "Not Capable" of setting the login timeout. - */ + return true; +} // wxDb::determineDataTypes + + +bool wxDb::open(bool failOnDataTypeUnsupported) { - SQLSetConnectOption(hdbc, SQL_AUTOCOMMIT, SQL_AUTOCOMMIT_OFF); - SQLSetConnectOption(hdbc, SQL_OPT_TRACE, SQL_OPT_TRACE_OFF); +/* + If using Intersolv branded ODBC drivers, this is the place where you would substitute + your branded driver license information - // Display the connection options to verify them -#ifdef DBDEBUG_CONSOLE - long l; - cout << "****** CONNECTION OPTIONS ******" << endl; + SQLSetConnectOption(hdbc, 1041, (UDWORD) wxEmptyString); + SQLSetConnectOption(hdbc, 1042, (UDWORD) wxEmptyString); +*/ - if (SQLGetConnectOption(hdbc, SQL_AUTOCOMMIT, &l) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); - cout << "AUTOCOMMIT: " << (l == SQL_AUTOCOMMIT_OFF ? "OFF" : "ON") << endl; + // Mark database as open + dbIsOpen = true; - if (SQLGetConnectOption(hdbc, SQL_ODBC_CURSORS, &l) != SQL_SUCCESS) + // Allocate a statement handle for the database connection + if (SQLAllocStmt(hdbc, &hstmt) != 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; + // Set Connection Options + if (!setConnectionOptions()) + return false; + + if (!determineDataTypes(failOnDataTypeUnsupported)) + return false; +#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 // Completed Successfully - return(TRUE); - -} // wxDB::setConnectionOptions() - + return true; +} -/********** wxDB::getDbInfo() **********/ -bool wxDB::getDbInfo(void) +bool wxDb::Open(const wxString& inConnectStr, bool failOnDataTypeUnsupported) { - SWORD cb; + wxASSERT(inConnectStr.Length()); + dsn = wxT(""); + uid = wxT(""); + authStr = wxT(""); + RETCODE retcode; - if (SQLGetInfo(hdbc, SQL_SERVER_NAME, (UCHAR*) dbInf.serverName, 80, &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_DATABASE_NAME, (UCHAR*) dbInf.databaseName, 128, &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 (SQLGetInfo(hdbc, SQL_DBMS_NAME, (UCHAR*) dbInf.dbmsName, 40, &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + // Connect to the data source + SQLTCHAR outConnectBuffer[SQL_MAX_CONNECTSTR_LEN+1]; // MS recommends at least 1k buffer + short outConnectBufferLen; - // 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); + inConnectionStr = inConnectStr; - if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO ) - return(DispAllErrors(henv, hdbc)); + 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_ACTIVE_CONNECTIONS, (UCHAR*) &dbInf.maxConnections, sizeof(dbInf.maxConnections), &cb) != SQL_SUCCESS) + if ((retcode != SQL_SUCCESS) && + (retcode != SQL_SUCCESS_WITH_INFO)) return(DispAllErrors(henv, hdbc)); - if (SQLGetInfo(hdbc, SQL_ACTIVE_STATEMENTS, (UCHAR*) &dbInf.maxStmts, sizeof(dbInf.maxStmts), &cb) != SQL_SUCCESS) + outConnectBuffer[outConnectBufferLen] = 0; + outConnectionStr = outConnectBuffer; + dbOpenedWithConnectionString = true; + + return open(failOnDataTypeUnsupported); +} + +/********** 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; + + inConnectionStr = wxT(""); + outConnectionStr = wxT(""); + + RETCODE retcode; + + 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); + +#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 + } + + // 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_DRIVER_NAME, (UCHAR*) dbInf.driverName, 40, &cb) != SQL_SUCCESS) + return open(failOnDataTypeUnsupported); + +} // wxDb::Open() + + +bool wxDb::Open(wxDbConnectInf *dbConnectInf, bool failOnDataTypeUnsupported) +{ + wxASSERT(dbConnectInf); + + // 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() + + +bool wxDb::Open(wxDb *copyDb) +{ + dsn = copyDb->GetDatasourceName(); + uid = copyDb->GetUsername(); + authStr = copyDb->GetPassword(); + inConnectionStr = copyDb->GetConnectionInStr(); + outConnectionStr = copyDb->GetConnectionOutStr(); + + RETCODE retcode; + + 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); + +#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_DRIVER_ODBC_VER, (UCHAR*) dbInf.odbcVer, 60, &cb) == SQL_ERROR) +/* + 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); +*/ + + // Mark database as open + dbIsOpen = true; + + // Allocate a statement handle for the database connection + if (SQLAllocStmt(hdbc, &hstmt) != SQL_SUCCESS) return(DispAllErrors(henv, hdbc)); - retcode = SQLGetInfo(hdbc, SQL_ODBC_VER, (UCHAR*) dbInf.drvMgrOdbcVer, 60, &cb); + // 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; + +#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 + + // Completed Successfully + return true; +} // wxDb::Open() 2 + + +/********** 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)); - if (SQLGetInfo(hdbc, SQL_DRIVER_VER, (UCHAR*) dbInf.driverVer, 60, &cb) == SQL_ERROR) - 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 - if (SQLGetInfo(hdbc, SQL_ODBC_API_CONFORMANCE, (UCHAR*) &dbInf.apiConfLvl, sizeof(dbInf.apiConfLvl), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + // 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); + } - if (SQLGetInfo(hdbc, SQL_ODBC_SAG_CLI_CONFORMANCE, (UCHAR*) &dbInf.cliConfLvl, sizeof(dbInf.cliConfLvl), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + // Display the connection options to verify them +#ifdef DBDEBUG_CONSOLE + long l; + cout << wxT("****** CONNECTION OPTIONS ******") << endl; - if (SQLGetInfo(hdbc, SQL_ODBC_SQL_CONFORMANCE, (UCHAR*) &dbInf.sqlConfLvl, sizeof(dbInf.sqlConfLvl), &cb) != SQL_SUCCESS) + retcode = SQLGetConnectOption(hdbc, SQL_AUTOCOMMIT, &l); + if (retcode != SQL_SUCCESS) return(DispAllErrors(henv, hdbc)); + cout << wxT("AUTOCOMMIT: ") << (l == SQL_AUTOCOMMIT_OFF ? "OFF" : "ON") << endl; - if (SQLGetInfo(hdbc, SQL_OUTER_JOINS, (UCHAR*) dbInf.outerJoins, 2, &cb) != SQL_SUCCESS) + 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; - if (SQLGetInfo(hdbc, SQL_PROCEDURES, (UCHAR*) dbInf.procedureSupport, 2, &cb) != SQL_SUCCESS) + 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; - if (SQLGetInfo(hdbc, SQL_CURSOR_COMMIT_BEHAVIOR, (UCHAR*) &dbInf.cursorCommitBehavior, sizeof(dbInf.cursorCommitBehavior), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + cout << endl; +#endif - if (SQLGetInfo(hdbc, SQL_CURSOR_ROLLBACK_BEHAVIOR, (UCHAR*) &dbInf.cursorRollbackBehavior, sizeof(dbInf.cursorRollbackBehavior), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + // Completed Successfully + return true; - if (SQLGetInfo(hdbc, SQL_NON_NULLABLE_COLUMNS, (UCHAR*) &dbInf.supportNotNullClause, sizeof(dbInf.supportNotNullClause), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); +} // wxDb::setConnectionOptions() - if (SQLGetInfo(hdbc, SQL_ODBC_SQL_OPT_IEF, (UCHAR*) dbInf.supportIEF, 2, &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); - if (SQLGetInfo(hdbc, SQL_DEFAULT_TXN_ISOLATION, (UCHAR*) &dbInf.txnIsolation, sizeof(dbInf.txnIsolation), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); +/********** wxDb::getDbInfo() **********/ +bool wxDb::getDbInfo(bool failOnDataTypeUnsupported) +{ + SWORD cb; + RETCODE retcode; - if (SQLGetInfo(hdbc, SQL_TXN_ISOLATION_OPTION, (UCHAR*) &dbInf.txnIsolationOptions, sizeof(dbInf.txnIsolationOptions), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + 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; + } - if (SQLGetInfo(hdbc, SQL_FETCH_DIRECTION, (UCHAR*) &dbInf.fetchDirections, sizeof(dbInf.fetchDirections), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + 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; + } - if (SQLGetInfo(hdbc, SQL_LOCK_TYPES, (UCHAR*) &dbInf.lockTypes, sizeof(dbInf.lockTypes), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + 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; + } - if (SQLGetInfo(hdbc, SQL_POS_OPERATIONS, (UCHAR*) &dbInf.posOperations, sizeof(dbInf.posOperations), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + // 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; + } - if (SQLGetInfo(hdbc, SQL_POSITIONED_STATEMENTS, (UCHAR*) &dbInf.posStmts, sizeof(dbInf.posStmts), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + 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; + } - if (SQLGetInfo(hdbc, SQL_SCROLL_CONCURRENCY, (UCHAR*) &dbInf.scrollConcurrency, sizeof(dbInf.scrollConcurrency), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + 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; + } - if (SQLGetInfo(hdbc, SQL_SCROLL_OPTIONS, (UCHAR*) &dbInf.scrollOptions, sizeof(dbInf.scrollOptions), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + 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; + } - if (SQLGetInfo(hdbc, SQL_STATIC_SENSITIVITY, (UCHAR*) &dbInf.staticSensitivity, sizeof(dbInf.staticSensitivity), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + 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; + } - if (SQLGetInfo(hdbc, SQL_TXN_CAPABLE, (UCHAR*) &dbInf.txnCapable, sizeof(dbInf.txnCapable), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + 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; + } - if (SQLGetInfo(hdbc, SQL_LOGIN_TIMEOUT, (UCHAR*) &dbInf.loginTimeout, sizeof(dbInf.loginTimeout), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); + 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 << 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 << "API Conf. Level: "; + cout << wxT("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; + 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 << "SAG CLI Conf. Level: "; + cout << wxT("SAG CLI Conf. Level: "); switch(dbInf.cliConfLvl) { - case SQL_OSCC_NOT_COMPLIANT: cout << "Not Compliant"; break; - case SQL_OSCC_COMPLIANT: cout << "Compliant"; break; + case SQL_OSCC_NOT_COMPLIANT: cout << wxT("Not Compliant"); break; + case SQL_OSCC_COMPLIANT: cout << wxT("Compliant"); break; } cout << endl; - cout << "SQL Conf. Level: "; + cout << wxT("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; + 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 << "Max. Connections: " << dbInf.maxConnections << endl; - cout << "Outer Joins: " << dbInf.outerJoins << endl; - cout << "Support for Procedures: " << dbInf.procedureSupport << endl; - - cout << "Cursor COMMIT Behavior: "; + 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 << "Delete cursors"; break; - case SQL_CB_CLOSE: cout << "Close cursors"; break; - case SQL_CB_PRESERVE: cout << "Preserve cursors"; break; + 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 << "Cursor ROLLBACK Behavior: "; + cout << wxT("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; + 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 << "Support NOT NULL clause: "; + cout << wxT("Support NOT NULL clause: "); switch(dbInf.supportNotNullClause) { - case SQL_NNC_NULL: cout << "No"; break; - case SQL_NNC_NON_NULL: cout << "Yes"; break; + case SQL_NNC_NULL: cout << wxT("No"); break; + case SQL_NNC_NON_NULL: cout << wxT("Yes"); break; } cout << endl; - cout << "Support IEF (Ref. Integrity): " << dbInf.supportIEF << endl; - cout << "Login Timeout: " << dbInf.loginTimeout << endl; + cout << wxT("Support IEF (Ref. Integrity): ") << dbInf.supportIEF << endl; + cout << wxT("Login Timeout: ") << dbInf.loginTimeout << endl; - cout << endl << endl << "more ..." << endl; + cout << endl << endl << wxT("more ...") << endl; getchar(); - cout << "Default Transaction Isolation: "; + cout << wxT("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; + 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: "; + cout << wxT("Transaction Isolation Options: "); if (dbInf.txnIsolationOptions & SQL_TXN_READ_UNCOMMITTED) - cout << "Read Uncommitted, "; + cout << wxT("Read Uncommitted, "); if (dbInf.txnIsolationOptions & SQL_TXN_READ_COMMITTED) - cout << "Read Committed, "; + cout << wxT("Read Committed, "); if (dbInf.txnIsolationOptions & SQL_TXN_REPEATABLE_READ) - cout << "Repeatable Read, "; + cout << wxT("Repeatable Read, "); if (dbInf.txnIsolationOptions & SQL_TXN_SERIALIZABLE) - cout << "Serializable, "; + cout << wxT("Serializable, "); #ifdef ODBC_V20 if (dbInf.txnIsolationOptions & SQL_TXN_VERSIONING) - cout << "Versioning"; + cout << wxT("Versioning"); #endif cout << endl; - cout << "Fetch Directions Supported:" << endl << " "; + cout << wxT("Fetch Directions Supported:") << endl << wxT(" "); if (dbInf.fetchDirections & SQL_FD_FETCH_NEXT) - cout << "Next, "; + cout << wxT("Next, "); if (dbInf.fetchDirections & SQL_FD_FETCH_PRIOR) - cout << "Prev, "; + cout << wxT("Prev, "); if (dbInf.fetchDirections & SQL_FD_FETCH_FIRST) - cout << "First, "; + cout << wxT("First, "); if (dbInf.fetchDirections & SQL_FD_FETCH_LAST) - cout << "Last, "; + cout << wxT("Last, "); if (dbInf.fetchDirections & SQL_FD_FETCH_ABSOLUTE) - cout << "Absolute, "; + cout << wxT("Absolute, "); if (dbInf.fetchDirections & SQL_FD_FETCH_RELATIVE) - cout << "Relative, "; + cout << wxT("Relative, "); #ifdef ODBC_V20 if (dbInf.fetchDirections & SQL_FD_FETCH_RESUME) - cout << "Resume, "; + cout << wxT("Resume, "); #endif if (dbInf.fetchDirections & SQL_FD_FETCH_BOOKMARK) - cout << "Bookmark"; + cout << wxT("Bookmark"); cout << endl; - cout << "Lock Types Supported (SQLSetPos): "; + cout << wxT("Lock Types Supported (SQLSetPos): "); if (dbInf.lockTypes & SQL_LCK_NO_CHANGE) - cout << "No Change, "; + cout << wxT("No Change, "); if (dbInf.lockTypes & SQL_LCK_EXCLUSIVE) - cout << "Exclusive, "; + cout << wxT("Exclusive, "); if (dbInf.lockTypes & SQL_LCK_UNLOCK) - cout << "UnLock"; + cout << wxT("UnLock"); cout << endl; - cout << "Position Operations Supported (SQLSetPos): "; + cout << wxT("Position Operations Supported (SQLSetPos): "); if (dbInf.posOperations & SQL_POS_POSITION) - cout << "Position, "; + cout << wxT("Position, "); if (dbInf.posOperations & SQL_POS_REFRESH) - cout << "Refresh, "; + cout << wxT("Refresh, "); if (dbInf.posOperations & SQL_POS_UPDATE) - cout << "Upd, "; + cout << wxT("Upd, ")); if (dbInf.posOperations & SQL_POS_DELETE) - cout << "Del, "; + cout << wxT("Del, "); if (dbInf.posOperations & SQL_POS_ADD) - cout << "Add"; + cout << wxT("Add"); cout << endl; - cout << "Positioned Statements Supported: "; + cout << wxT("Positioned Statements Supported: "); if (dbInf.posStmts & SQL_PS_POSITIONED_DELETE) - cout << "Pos delete, "; + cout << wxT("Pos delete, "); if (dbInf.posStmts & SQL_PS_POSITIONED_UPDATE) - cout << "Pos update, "; + cout << wxT("Pos update, "); if (dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE) - cout << "Select for update"; + cout << wxT("Select for update"); cout << endl; - cout << "Scroll Concurrency: "; + cout << wxT("Scroll Concurrency: "); if (dbInf.scrollConcurrency & SQL_SCCO_READ_ONLY) - cout << "Read Only, "; + cout << wxT("Read Only, "); if (dbInf.scrollConcurrency & SQL_SCCO_LOCK) - cout << "Lock, "; + cout << wxT("Lock, "); if (dbInf.scrollConcurrency & SQL_SCCO_OPT_ROWVER) - cout << "Opt. Rowver, "; + cout << wxT("Opt. Rowver, "); if (dbInf.scrollConcurrency & SQL_SCCO_OPT_VALUES) - cout << "Opt. Values"; + cout << wxT("Opt. Values"); cout << endl; - cout << "Scroll Options: "; + cout << wxT("Scroll Options: "); if (dbInf.scrollOptions & SQL_SO_FORWARD_ONLY) - cout << "Fwd Only, "; + cout << wxT("Fwd Only, "); if (dbInf.scrollOptions & SQL_SO_STATIC) - cout << "Static, "; + cout << wxT("Static, "); if (dbInf.scrollOptions & SQL_SO_KEYSET_DRIVEN) - cout << "Keyset Driven, "; + cout << wxT("Keyset Driven, "); if (dbInf.scrollOptions & SQL_SO_DYNAMIC) - cout << "Dynamic, "; + cout << wxT("Dynamic, "); if (dbInf.scrollOptions & SQL_SO_MIXED) - cout << "Mixed"; + cout << wxT("Mixed"); cout << endl; - cout << "Static Sensitivity: "; + cout << wxT("Static Sensitivity: "); if (dbInf.staticSensitivity & SQL_SS_ADDITIONS) - cout << "Additions, "; + cout << wxT("Additions, "); if (dbInf.staticSensitivity & SQL_SS_DELETIONS) - cout << "Deletions, "; + cout << wxT("Deletions, "); if (dbInf.staticSensitivity & SQL_SS_UPDATES) - cout << "Updates"; + cout << wxT("Updates"); cout << endl; - cout << "Transaction Capable?: "; + cout << wxT("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; + 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; @@ -789,51 +1591,75 @@ bool wxDB::getDbInfo(void) #endif // Completed Successfully - return(TRUE); + return true; -} // wxDB::getDbInfo() +} // wxDb::getDbInfo() -/********** wxDB::getDataTypeInfo() **********/ -bool wxDB::getDataTypeInfo(SWORD fSqlType, wxSqlTypeInfo &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. * - * wxSqlTypeInfo is a structure that is filled in with data type information, + * wxDbSqlTypeInfo is a structure that is filled in with data type information, */ RETCODE retcode; - SDWORD cbRet; + SDWORD cbRet; // 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) + 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; + cout << wxT("SQL_NO_DATA_FOUND fetching information about data type.") << endl; #endif DispAllErrors(henv, hdbc, hstmt); SQLFreeStmt(hstmt, SQL_CLOSE); - return(FALSE); + return false; } + + wxChar typeName[DB_TYPE_NAME_LEN+1]; + // Obtain columns from the record - if (SQLGetData(hstmt, 1, SQL_C_CHAR, (UCHAR*) structSQLTypeInfo.TypeName, DB_TYPE_NAME_LEN, &cbRet) != SQL_SUCCESS) + 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 (!strcmp(structSQLTypeInfo.TypeName, "middleint")) strcpy(structSQLTypeInfo.TypeName, "mediumint"); - if (!strcmp(structSQLTypeInfo.TypeName, "middleint unsigned")) strcpy(structSQLTypeInfo.TypeName, "mediumint unsigned"); - if (!strcmp(structSQLTypeInfo.TypeName, "integer")) strcpy(structSQLTypeInfo.TypeName, "int"); - if (!strcmp(structSQLTypeInfo.TypeName, "integer unsigned")) strcpy(structSQLTypeInfo.TypeName, "int unsigned"); - if (!strcmp(structSQLTypeInfo.TypeName, "middleint")) strcpy(structSQLTypeInfo.TypeName, "mediumint"); - if (!strcmp(structSQLTypeInfo.TypeName, "varchar")) strcpy(structSQLTypeInfo.TypeName, "char"); + 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 if (SQLGetData(hstmt, 3, SQL_C_LONG, (UCHAR*) &structSQLTypeInfo.Precision, 0, &cbRet) != SQL_SUCCESS) return(DispAllErrors(henv, hdbc, hstmt)); @@ -853,13 +1679,13 @@ bool wxDB::getDataTypeInfo(SWORD fSqlType, wxSqlTypeInfo &structSQLTypeInfo) return(DispAllErrors(henv, hdbc, hstmt)); // Completed Successfully - return(TRUE); + return true; -} // wxDB::getDataTypeInfo() +} // wxDb::getDataTypeInfo() -/********** wxDB::Close() **********/ -void wxDB::Close(void) +/********** wxDb::Close() **********/ +void wxDb::Close(void) { // Close the Sql Log file if (fpSqlLog) @@ -884,36 +1710,39 @@ void wxDB::Close(void) DispAllErrors(henv, hdbc); // There should be zero Ctable objects still connected to this db object - assert(nTables == 0); + wxASSERT(nTables == 0); #ifdef __WXDEBUG__ wxTablesInUse *tiu; - wxNode *pNode; - pNode = TablesInUse.First(); + wxList::compatibility_iterator pNode; + pNode = TablesInUse.GetFirst(); wxString s,s2; while (pNode) { - tiu = (wxTablesInUse *)pNode->Data(); + tiu = (wxTablesInUse *)pNode->GetData(); if (tiu->pDb == this) { - s.sprintf(wxT("(%-20s) tableID:[%6lu] pDb:[%p]"), tiu->tableName,tiu->tableID,tiu->pDb); - s2.sprintf(wxT("Orphaned found using pDb:[%p]"),this); - wxLogDebug (s.c_str(),s2.c_str()); + 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->Next(); + 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]); + wxStrcpy(DBerrorList[i], errorList[i]); + + dbmsType = dbmsUNIDENTIFIED; + dbIsOpen = false; -} // wxDB::Close() +} // wxDb::Close() -/********** wxDB::CommitTrans() **********/ -bool wxDB::CommitTrans(void) +/********** wxDb::CommitTrans() **********/ +bool wxDb::CommitTrans(void) { if (this) { @@ -923,91 +1752,115 @@ bool wxDB::CommitTrans(void) } // Completed successfully - return(TRUE); + return true; -} // wxDB::CommitTrans() +} // wxDb::CommitTrans() -/********** wxDB::RollbackTrans() **********/ -bool wxDB::RollbackTrans(void) +/********** wxDb::RollbackTrans() **********/ +bool wxDb::RollbackTrans(void) { // Rollback the transaction if (SQLTransact(henv, hdbc, SQL_ROLLBACK) != SQL_SUCCESS) return(DispAllErrors(henv, hdbc)); // Completed successfully - return(TRUE); + return true; -} // wxDB::RollbackTrans() +} // wxDb::RollbackTrans() -/********** wxDB::DispAllErrors() **********/ -bool wxDB::DispAllErrors(HENV aHenv, HDBC aHdbc, HSTMT aHstmt) +/********** 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 + */ { -// char odbcErrMsg[DB_MAX_ERROR_MSG_LEN]; wxString odbcErrMsg; - while (SQLError(aHenv, aHdbc, aHstmt, (UCHAR FAR *) sqlState, &nativeError, (UCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS) - { - odbcErrMsg.sprintf("SQL State = %s\nNative Error Code = %li\nError Message = %s\n", sqlState, nativeError, errorMsg); - logError(odbcErrMsg.GetData(), sqlState); +#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.GetData() << endl; - cout << "Press any key to continue..." << endl; + cout << odbcErrMsg.c_str() << endl; + cout << wxT("Press any key to continue...") << endl; getchar(); #endif - } #ifdef __WXDEBUG__ - wxLogDebug(odbcErrMsg.GetData(),"DEBUG MESSAGE from DispAllErrors()"); + 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); +#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); + 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; - odbcErrMsg.sprintf("SQL State = %s\nNative Error Code = %li\nError Message = %s\n", sqlState, nativeError, errorMsg); - logError(odbcErrMsg.GetData(), sqlState); + odbcErrMsg.Printf(wxT("SQL State = %s\nNative Error Code = %li\nError Message = %s\n"), sqlState, nativeError, errorMsg); + logError(odbcErrMsg, sqlState); if (silent) return; #ifdef DBDEBUG_CONSOLE // When run in console mode, use standard out to display errors. - cout << odbcErrMsg.GetData() << endl; - cout << "Press any key to continue..." << endl; + cout << odbcErrMsg.c_str() << endl; + cout << wxT("Press any key to continue...") << endl; getchar(); #endif -} // wxDB::DispNextError() +#ifdef __WXDEBUG__ + wxLogDebug(odbcErrMsg,wxT("ODBC DEBUG MESSAGE")); +#endif // __WXDEBUG__ + +} // wxDb::DispNextError() -/********** wxDB::logError() **********/ -void wxDB::logError(const char *errMsg, const char *SQLState) +/********** wxDb::logError() **********/ +void wxDb::logError(const wxString &errMsg, const wxString &SQLState) { - assert(errMsg && wxStrlen(errMsg)); + wxASSERT(errMsg.Length()); static int pLast = -1; int dbStatus; @@ -1015,425 +1868,531 @@ void wxDB::logError(const char *errMsg, const char *SQLState) if (++pLast == DB_MAX_ERROR_HISTORY) { int i; - for (i = 0; i < DB_MAX_ERROR_HISTORY; i++) + for (i = 0; i < DB_MAX_ERROR_HISTORY-1; i++) wxStrcpy(errorList[i], errorList[i+1]); pLast--; } - wxStrcpy(errorList[pLast], errMsg); + wxStrncpy(errorList[pLast], errMsg, DB_MAX_ERROR_MSG_LEN); + errorList[pLast][DB_MAX_ERROR_MSG_LEN] = 0; - if (SQLState && wxStrlen(SQLState)) + 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::logError() -/**********wxDB::TranslateSqlState() **********/ -int wxDB::TranslateSqlState(const char *SQLState) +/**********wxDb::TranslateSqlState() **********/ +int wxDb::TranslateSqlState(const wxString &SQLState) { - if (!wxStrcmp(SQLState, "01000")) + if (!wxStrcmp(SQLState, wxT("01000"))) return(DB_ERR_GENERAL_WARNING); - if (!wxStrcmp(SQLState, "01002")) + if (!wxStrcmp(SQLState, wxT("01002"))) return(DB_ERR_DISCONNECT_ERROR); - if (!wxStrcmp(SQLState, "01004")) + if (!wxStrcmp(SQLState, wxT("01004"))) return(DB_ERR_DATA_TRUNCATED); - if (!wxStrcmp(SQLState, "01006")) + if (!wxStrcmp(SQLState, wxT("01006"))) return(DB_ERR_PRIV_NOT_REVOKED); - if (!wxStrcmp(SQLState, "01S00")) + if (!wxStrcmp(SQLState, wxT("01S00"))) return(DB_ERR_INVALID_CONN_STR_ATTR); - if (!wxStrcmp(SQLState, "01S01")) + if (!wxStrcmp(SQLState, wxT("01S01"))) return(DB_ERR_ERROR_IN_ROW); - if (!wxStrcmp(SQLState, "01S02")) + if (!wxStrcmp(SQLState, wxT("01S02"))) return(DB_ERR_OPTION_VALUE_CHANGED); - if (!wxStrcmp(SQLState, "01S03")) + if (!wxStrcmp(SQLState, wxT("01S03"))) return(DB_ERR_NO_ROWS_UPD_OR_DEL); - if (!wxStrcmp(SQLState, "01S04")) + if (!wxStrcmp(SQLState, wxT("01S04"))) return(DB_ERR_MULTI_ROWS_UPD_OR_DEL); - if (!wxStrcmp(SQLState, "07001")) + if (!wxStrcmp(SQLState, wxT("07001"))) return(DB_ERR_WRONG_NO_OF_PARAMS); - if (!wxStrcmp(SQLState, "07006")) + if (!wxStrcmp(SQLState, wxT("07006"))) return(DB_ERR_DATA_TYPE_ATTR_VIOL); - if (!wxStrcmp(SQLState, "08001")) + if (!wxStrcmp(SQLState, wxT("08001"))) return(DB_ERR_UNABLE_TO_CONNECT); - if (!wxStrcmp(SQLState, "08002")) + if (!wxStrcmp(SQLState, wxT("08002"))) return(DB_ERR_CONNECTION_IN_USE); - if (!wxStrcmp(SQLState, "08003")) + if (!wxStrcmp(SQLState, wxT("08003"))) return(DB_ERR_CONNECTION_NOT_OPEN); - if (!wxStrcmp(SQLState, "08004")) + if (!wxStrcmp(SQLState, wxT("08004"))) return(DB_ERR_REJECTED_CONNECTION); - if (!wxStrcmp(SQLState, "08007")) + if (!wxStrcmp(SQLState, wxT("08007"))) return(DB_ERR_CONN_FAIL_IN_TRANS); - if (!wxStrcmp(SQLState, "08S01")) + if (!wxStrcmp(SQLState, wxT("08S01"))) return(DB_ERR_COMM_LINK_FAILURE); - if (!wxStrcmp(SQLState, "21S01")) + if (!wxStrcmp(SQLState, wxT("21S01"))) return(DB_ERR_INSERT_VALUE_LIST_MISMATCH); - if (!wxStrcmp(SQLState, "21S02")) + if (!wxStrcmp(SQLState, wxT("21S02"))) return(DB_ERR_DERIVED_TABLE_MISMATCH); - if (!wxStrcmp(SQLState, "22001")) + if (!wxStrcmp(SQLState, wxT("22001"))) return(DB_ERR_STRING_RIGHT_TRUNC); - if (!wxStrcmp(SQLState, "22003")) + if (!wxStrcmp(SQLState, wxT("22003"))) return(DB_ERR_NUMERIC_VALUE_OUT_OF_RNG); - if (!wxStrcmp(SQLState, "22005")) + if (!wxStrcmp(SQLState, wxT("22005"))) return(DB_ERR_ERROR_IN_ASSIGNMENT); - if (!wxStrcmp(SQLState, "22008")) + if (!wxStrcmp(SQLState, wxT("22008"))) return(DB_ERR_DATETIME_FLD_OVERFLOW); - if (!wxStrcmp(SQLState, "22012")) + if (!wxStrcmp(SQLState, wxT("22012"))) return(DB_ERR_DIVIDE_BY_ZERO); - if (!wxStrcmp(SQLState, "22026")) + if (!wxStrcmp(SQLState, wxT("22026"))) return(DB_ERR_STR_DATA_LENGTH_MISMATCH); - if (!wxStrcmp(SQLState, "23000")) + if (!wxStrcmp(SQLState, wxT("23000"))) return(DB_ERR_INTEGRITY_CONSTRAINT_VIOL); - if (!wxStrcmp(SQLState, "24000")) + if (!wxStrcmp(SQLState, wxT("24000"))) return(DB_ERR_INVALID_CURSOR_STATE); - if (!wxStrcmp(SQLState, "25000")) + if (!wxStrcmp(SQLState, wxT("25000"))) return(DB_ERR_INVALID_TRANS_STATE); - if (!wxStrcmp(SQLState, "28000")) + if (!wxStrcmp(SQLState, wxT("28000"))) return(DB_ERR_INVALID_AUTH_SPEC); - if (!wxStrcmp(SQLState, "34000")) + if (!wxStrcmp(SQLState, wxT("34000"))) return(DB_ERR_INVALID_CURSOR_NAME); - if (!wxStrcmp(SQLState, "37000")) + if (!wxStrcmp(SQLState, wxT("37000"))) return(DB_ERR_SYNTAX_ERROR_OR_ACCESS_VIOL); - if (!wxStrcmp(SQLState, "3C000")) + if (!wxStrcmp(SQLState, wxT("3C000"))) return(DB_ERR_DUPLICATE_CURSOR_NAME); - if (!wxStrcmp(SQLState, "40001")) + if (!wxStrcmp(SQLState, wxT("40001"))) return(DB_ERR_SERIALIZATION_FAILURE); - if (!wxStrcmp(SQLState, "42000")) + if (!wxStrcmp(SQLState, wxT("42000"))) return(DB_ERR_SYNTAX_ERROR_OR_ACCESS_VIOL2); - if (!wxStrcmp(SQLState, "70100")) + if (!wxStrcmp(SQLState, wxT("70100"))) return(DB_ERR_OPERATION_ABORTED); - if (!wxStrcmp(SQLState, "IM001")) + if (!wxStrcmp(SQLState, wxT("IM001"))) return(DB_ERR_UNSUPPORTED_FUNCTION); - if (!wxStrcmp(SQLState, "IM002")) + if (!wxStrcmp(SQLState, wxT("IM002"))) return(DB_ERR_NO_DATA_SOURCE); - if (!wxStrcmp(SQLState, "IM003")) + if (!wxStrcmp(SQLState, wxT("IM003"))) return(DB_ERR_DRIVER_LOAD_ERROR); - if (!wxStrcmp(SQLState, "IM004")) + if (!wxStrcmp(SQLState, wxT("IM004"))) return(DB_ERR_SQLALLOCENV_FAILED); - if (!wxStrcmp(SQLState, "IM005")) + if (!wxStrcmp(SQLState, wxT("IM005"))) return(DB_ERR_SQLALLOCCONNECT_FAILED); - if (!wxStrcmp(SQLState, "IM006")) + if (!wxStrcmp(SQLState, wxT("IM006"))) return(DB_ERR_SQLSETCONNECTOPTION_FAILED); - if (!wxStrcmp(SQLState, "IM007")) + if (!wxStrcmp(SQLState, wxT("IM007"))) return(DB_ERR_NO_DATA_SOURCE_DLG_PROHIB); - if (!wxStrcmp(SQLState, "IM008")) + if (!wxStrcmp(SQLState, wxT("IM008"))) return(DB_ERR_DIALOG_FAILED); - if (!wxStrcmp(SQLState, "IM009")) + if (!wxStrcmp(SQLState, wxT("IM009"))) return(DB_ERR_UNABLE_TO_LOAD_TRANSLATION_DLL); - if (!wxStrcmp(SQLState, "IM010")) + if (!wxStrcmp(SQLState, wxT("IM010"))) return(DB_ERR_DATA_SOURCE_NAME_TOO_LONG); - if (!wxStrcmp(SQLState, "IM011")) + if (!wxStrcmp(SQLState, wxT("IM011"))) return(DB_ERR_DRIVER_NAME_TOO_LONG); - if (!wxStrcmp(SQLState, "IM012")) + if (!wxStrcmp(SQLState, wxT("IM012"))) return(DB_ERR_DRIVER_KEYWORD_SYNTAX_ERROR); - if (!wxStrcmp(SQLState, "IM013")) + if (!wxStrcmp(SQLState, wxT("IM013"))) return(DB_ERR_TRACE_FILE_ERROR); - if (!wxStrcmp(SQLState, "S0001")) + if (!wxStrcmp(SQLState, wxT("S0001"))) return(DB_ERR_TABLE_OR_VIEW_ALREADY_EXISTS); - if (!wxStrcmp(SQLState, "S0002")) + if (!wxStrcmp(SQLState, wxT("S0002"))) return(DB_ERR_TABLE_NOT_FOUND); - if (!wxStrcmp(SQLState, "S0011")) + if (!wxStrcmp(SQLState, wxT("S0011"))) return(DB_ERR_INDEX_ALREADY_EXISTS); - if (!wxStrcmp(SQLState, "S0012")) + if (!wxStrcmp(SQLState, wxT("S0012"))) return(DB_ERR_INDEX_NOT_FOUND); - if (!wxStrcmp(SQLState, "S0021")) + if (!wxStrcmp(SQLState, wxT("S0021"))) return(DB_ERR_COLUMN_ALREADY_EXISTS); - if (!wxStrcmp(SQLState, "S0022")) + if (!wxStrcmp(SQLState, wxT("S0022"))) return(DB_ERR_COLUMN_NOT_FOUND); - if (!wxStrcmp(SQLState, "S0023")) + if (!wxStrcmp(SQLState, wxT("S0023"))) return(DB_ERR_NO_DEFAULT_FOR_COLUMN); - if (!wxStrcmp(SQLState, "S1000")) + if (!wxStrcmp(SQLState, wxT("S1000"))) return(DB_ERR_GENERAL_ERROR); - if (!wxStrcmp(SQLState, "S1001")) + if (!wxStrcmp(SQLState, wxT("S1001"))) return(DB_ERR_MEMORY_ALLOCATION_FAILURE); - if (!wxStrcmp(SQLState, "S1002")) + if (!wxStrcmp(SQLState, wxT("S1002"))) return(DB_ERR_INVALID_COLUMN_NUMBER); - if (!wxStrcmp(SQLState, "S1003")) + if (!wxStrcmp(SQLState, wxT("S1003"))) return(DB_ERR_PROGRAM_TYPE_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1004")) + if (!wxStrcmp(SQLState, wxT("S1004"))) return(DB_ERR_SQL_DATA_TYPE_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1008")) + if (!wxStrcmp(SQLState, wxT("S1008"))) return(DB_ERR_OPERATION_CANCELLED); - if (!wxStrcmp(SQLState, "S1009")) + if (!wxStrcmp(SQLState, wxT("S1009"))) return(DB_ERR_INVALID_ARGUMENT_VALUE); - if (!wxStrcmp(SQLState, "S1010")) + if (!wxStrcmp(SQLState, wxT("S1010"))) return(DB_ERR_FUNCTION_SEQUENCE_ERROR); - if (!wxStrcmp(SQLState, "S1011")) + if (!wxStrcmp(SQLState, wxT("S1011"))) return(DB_ERR_OPERATION_INVALID_AT_THIS_TIME); - if (!wxStrcmp(SQLState, "S1012")) + if (!wxStrcmp(SQLState, wxT("S1012"))) return(DB_ERR_INVALID_TRANS_OPERATION_CODE); - if (!wxStrcmp(SQLState, "S1015")) + if (!wxStrcmp(SQLState, wxT("S1015"))) return(DB_ERR_NO_CURSOR_NAME_AVAIL); - if (!wxStrcmp(SQLState, "S1090")) + if (!wxStrcmp(SQLState, wxT("S1090"))) return(DB_ERR_INVALID_STR_OR_BUF_LEN); - if (!wxStrcmp(SQLState, "S1091")) + if (!wxStrcmp(SQLState, wxT("S1091"))) return(DB_ERR_DESCRIPTOR_TYPE_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1092")) + if (!wxStrcmp(SQLState, wxT("S1092"))) return(DB_ERR_OPTION_TYPE_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1093")) + if (!wxStrcmp(SQLState, wxT("S1093"))) return(DB_ERR_INVALID_PARAM_NO); - if (!wxStrcmp(SQLState, "S1094")) + if (!wxStrcmp(SQLState, wxT("S1094"))) return(DB_ERR_INVALID_SCALE_VALUE); - if (!wxStrcmp(SQLState, "S1095")) + if (!wxStrcmp(SQLState, wxT("S1095"))) return(DB_ERR_FUNCTION_TYPE_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1096")) + if (!wxStrcmp(SQLState, wxT("S1096"))) return(DB_ERR_INF_TYPE_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1097")) + if (!wxStrcmp(SQLState, wxT("S1097"))) return(DB_ERR_COLUMN_TYPE_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1098")) + if (!wxStrcmp(SQLState, wxT("S1098"))) return(DB_ERR_SCOPE_TYPE_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1099")) + if (!wxStrcmp(SQLState, wxT("S1099"))) return(DB_ERR_NULLABLE_TYPE_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1100")) + if (!wxStrcmp(SQLState, wxT("S1100"))) return(DB_ERR_UNIQUENESS_OPTION_TYPE_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1101")) + if (!wxStrcmp(SQLState, wxT("S1101"))) return(DB_ERR_ACCURACY_OPTION_TYPE_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1103")) + if (!wxStrcmp(SQLState, wxT("S1103"))) return(DB_ERR_DIRECTION_OPTION_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1104")) + if (!wxStrcmp(SQLState, wxT("S1104"))) return(DB_ERR_INVALID_PRECISION_VALUE); - if (!wxStrcmp(SQLState, "S1105")) + if (!wxStrcmp(SQLState, wxT("S1105"))) return(DB_ERR_INVALID_PARAM_TYPE); - if (!wxStrcmp(SQLState, "S1106")) + if (!wxStrcmp(SQLState, wxT("S1106"))) return(DB_ERR_FETCH_TYPE_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1107")) + if (!wxStrcmp(SQLState, wxT("S1107"))) return(DB_ERR_ROW_VALUE_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1108")) + if (!wxStrcmp(SQLState, wxT("S1108"))) return(DB_ERR_CONCURRENCY_OPTION_OUT_OF_RANGE); - if (!wxStrcmp(SQLState, "S1109")) + if (!wxStrcmp(SQLState, wxT("S1109"))) return(DB_ERR_INVALID_CURSOR_POSITION); - if (!wxStrcmp(SQLState, "S1110")) + if (!wxStrcmp(SQLState, wxT("S1110"))) return(DB_ERR_INVALID_DRIVER_COMPLETION); - if (!wxStrcmp(SQLState, "S1111")) + if (!wxStrcmp(SQLState, wxT("S1111"))) return(DB_ERR_INVALID_BOOKMARK_VALUE); - if (!wxStrcmp(SQLState, "S1C00")) + if (!wxStrcmp(SQLState, wxT("S1C00"))) return(DB_ERR_DRIVER_NOT_CAPABLE); - if (!wxStrcmp(SQLState, "S1T00")) + if (!wxStrcmp(SQLState, wxT("S1T00"))) return(DB_ERR_TIMEOUT_EXPIRED); // No match return(0); -} // wxDB::TranslateSqlState() +} // wxDb::TranslateSqlState() -/********** wxDB::Grant() **********/ -bool wxDB::Grant(int privileges, const char *tableName, const char *userList) +/********** wxDb::Grant() **********/ +bool wxDb::Grant(int privileges, const wxString &tableName, const wxString &userList) { -// char sqlStmt[DB_MAX_STATEMENT_LEN]; wxString sqlStmt; // Build the grant statement - sqlStmt = "GRANT "; + sqlStmt = wxT("GRANT "); if (privileges == DB_GRANT_ALL) - sqlStmt += "ALL"; + sqlStmt += wxT("ALL"); else { int c = 0; if (privileges & DB_GRANT_SELECT) { - sqlStmt += "SELECT"; + sqlStmt += wxT("SELECT"); c++; } if (privileges & DB_GRANT_INSERT) { if (c++) - sqlStmt += ", "; - sqlStmt += "INSERT"; + sqlStmt += wxT(", "); + sqlStmt += wxT("INSERT"); } if (privileges & DB_GRANT_UPDATE) { if (c++) - sqlStmt += ", "; - sqlStmt += "UPDATE"; + sqlStmt += wxT(", "); + sqlStmt += wxT("UPDATE"); } if (privileges & DB_GRANT_DELETE) { if (c++) - sqlStmt += ", "; - sqlStmt += "DELETE"; + sqlStmt += wxT(", "); + sqlStmt += wxT("DELETE"); } } - sqlStmt += " ON "; - sqlStmt += tableName; - sqlStmt += " TO "; + sqlStmt += wxT(" ON "); + sqlStmt += SQLTableName(tableName); + sqlStmt += wxT(" TO "); sqlStmt += userList; #ifdef DBDEBUG_CONSOLE - cout << endl << sqlStmt.GetData() << endl; + cout << endl << sqlStmt.c_str() << endl; #endif - WriteSqlLog(sqlStmt.GetData()); + WriteSqlLog(sqlStmt); - return(ExecSql(sqlStmt.GetData())); + return(ExecSql(sqlStmt)); -} // wxDB::Grant() +} // wxDb::Grant() -/********** wxDB::CreateView() **********/ -bool wxDB::CreateView(const char *viewName, const char *colList, const 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; + return false; // Build the create view statement - sqlStmt = "CREATE VIEW "; + sqlStmt = wxT("CREATE VIEW "); sqlStmt += viewName; - if (wxStrlen(colList)) + if (colList.Length()) { - sqlStmt += " ("; + sqlStmt += wxT(" ("); sqlStmt += colList; - sqlStmt += ")"; + sqlStmt += wxT(")"); } - sqlStmt += " AS "; + sqlStmt += wxT(" AS "); sqlStmt += pSqlStmt; - WriteSqlLog(sqlStmt.GetData()); + WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE - cout << sqlStmt.GetData() << endl; + cout << sqlStmt.c_str() << endl; #endif - return(ExecSql(sqlStmt.GetData())); + return(ExecSql(sqlStmt)); -} // wxDB::CreateView() +} // wxDb::CreateView() -/********** wxDB::DropView() **********/ -bool wxDB::DropView(const char *viewName) +/********** wxDb::DropView() **********/ +bool wxDb::DropView(const wxString &viewName) { /* - * NOTE: This function returns TRUE if the View does not exist, but + * 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]; wxString sqlStmt; - sqlStmt.sprintf("DROP VIEW %s", viewName); + sqlStmt.Printf(wxT("DROP VIEW %s"), viewName.c_str()); - WriteSqlLog(sqlStmt.GetData()); + WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE - cout << endl << sqlStmt.GetData() << endl; + cout << endl << sqlStmt.c_str() << endl; #endif - if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.GetData(), SQL_NTS) != SQL_SUCCESS) + 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,"S0002")) // "Base table not found" + if (wxStrcmp(sqlState,wxT("S0002"))) // "Base table not found" { // Check for product specific error codes - if (!((Dbms() == dbmsSYBASE_ASA && !wxStrcmp(sqlState,"42000")))) // 5.x (and lower?) + if (!((Dbms() == dbmsSYBASE_ASA && !wxStrcmp(sqlState,wxT("42000"))))) // 5.x (and lower?) { DispNextError(); DispAllErrors(henv, hdbc, hstmt); RollbackTrans(); - return(FALSE); + return false; } } } // Commit the transaction - if (! CommitTrans()) - return(FALSE); + if (!CommitTrans()) + return false; - return TRUE; + return true; -} // wxDB::DropView() +} // wxDb::DropView() -/********** wxDB::ExecSql() **********/ -bool wxDB::ExecSql(const char *pSqlStmt) +/********** wxDb::ExecSql() **********/ +bool wxDb::ExecSql(const wxString &pSqlStmt) { + RETCODE retcode; + SQLFreeStmt(hstmt, SQL_CLOSE); - if (SQLExecDirect(hstmt, (UCHAR FAR *) pSqlStmt, SQL_NTS) == SQL_SUCCESS) - return(TRUE); + + 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); + return false; } -} // wxDB::ExecSql() +} // wxDb::ExecSql() -/********** wxDB::GetNext() **********/ -bool wxDB::GetNext(void) +/********** 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); + return true; else { DispAllErrors(henv, hdbc, hstmt); - return(FALSE); + return false; } -} // wxDB::GetNext() +} // wxDb::GetNext() -/********** wxDB::GetData() **********/ -bool wxDB::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FAR *cbReturned) +/********** wxDb::GetData() **********/ +bool wxDb::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FAR *cbReturned) { - assert(pData); - assert(cbReturned); + wxASSERT(pData); + wxASSERT(cbReturned); + + long bufferSize = maxLen; + + if (cType == SQL_C_WXCHAR) + bufferSize = maxLen * sizeof(wxChar); - if (SQLGetData(hstmt, colNo, cType, pData, maxLen, cbReturned) == SQL_SUCCESS) - return(TRUE); + if (SQLGetData(hstmt, colNo, cType, pData, bufferSize, cbReturned) == SQL_SUCCESS) + return true; else { DispAllErrors(henv, hdbc, hstmt); - return(FALSE); + return false; } -} // wxDB::GetData() +} // wxDb::GetData() -/********** wxDB::GetKeyFields() **********/ -int wxDB::GetKeyFields(char *tableName, wxColInf* colInf,int noCols) +/********** wxDb::GetKeyFields() **********/ +int wxDb::GetKeyFields(const wxString &tableName, wxDbColInf* colInf, UWORD noCols) { - char szPkTable[DB_MAX_TABLE_NAME_LEN+1]; /* Primary key table name */ - char szFkTable[DB_MAX_TABLE_NAME_LEN+1]; /* Foreign key table name */ - short iKeySeq; -// SQLSMALLINT iKeySeq; - char szPkCol[DB_MAX_COLUMN_NAME_LEN+1]; /* Primary key column */ - char szFkCol[DB_MAX_COLUMN_NAME_LEN+1]; /* Foreign key column */ + 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; - int i; - wxString Temp0; + SWORD i; + wxString tempStr; /* - * --------------------------------------------------------------------- - * -- 19991224 : mj10777@gmx.net : 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(char *tableName, ------ - * -- int *numCols,const char *userID ) ------ - * --------------------------------------------------------------------- + * ----------------------------------------------------------------------- + * -- 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 */ - (UCHAR *) tableName, SQL_NTS); /* Table name */ + 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 */ @@ -1444,109 +2403,117 @@ int wxDB::GetKeyFields(char *tableName, wxColInf* colInf,int noCols) retcode = SQLFetch(hstmt); if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO) { - GetData( 4, SQL_C_CHAR, szPkCol, DB_MAX_COLUMN_NAME_LEN+1, &cb); + 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); + * wxDbColInf *colInf = pDb->GetColumns(tableList, userID); * if (colInf) * { * // Use the column inf @@ -1560,42 +2527,25 @@ wxColInf *wxDB::GetColumns(char *tableName[], const char *userID) * 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 + * 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 noCols = 0; - int colNo = 0; - wxColInf *colInf = 0; + UWORD noCols = 0; + UWORD colNo = 0; + wxDbColInf *colInf = 0; RETCODE retcode; SDWORD cb; - wxString UserID; wxString TableName; - if (userID) - { - if (!wxStrlen(userID)) - UserID = uid; - else - UserID = userID; - } - else - UserID = ""; - - // 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) - UserID = UserID.Upper(); + wxString UserID; + convertUserID(userID,UserID); // Pass 1 - Determine how many columns there are. - // Pass 2 - Allocate the wxColInf array and fill in + // Pass 2 - Allocate the wxDbColInf array and fill in // the array with the column information. int pass; for (pass = 1; pass <= 2; pass++) @@ -1604,13 +2554,13 @@ wxColInf *wxDB::GetColumns(char *tableName[], const char *userID) { if (noCols == 0) // Probably a bogus table name(s) break; - // Allocate n wxColInf objects to hold the column information - colInf = new wxColInf[noCols+1]; + // 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, ""); - wxStrcpy(colInf[noCols].colName, ""); + wxStrcpy(colInf[noCols].tableName, wxEmptyString); + wxStrcpy(colInf[noCols].colName, wxEmptyString); colInf[noCols].sqlDataType = 0; } // Loop through each table name @@ -1618,23 +2568,26 @@ wxColInf *wxDB::GetColumns(char *tableName[], const char *userID) for (tbl = 0; tableName[tbl]; tbl++) { TableName = tableName[tbl]; - // Oracle table names are uppercase only, so force + // 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) + if ((Dbms() == dbmsORACLE) || + (Dbms() == dbmsFIREBIRD) || + (Dbms() == dbmsINTERBASE)) TableName = TableName.Upper(); SQLFreeStmt(hstmt, SQL_CLOSE); - // MySQL and Access cannot accept a user name when looking up column names, so we + // 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 (wxStrcmp(UserID.GetData(),"") && - Dbms() != dbmsMY_SQL && - Dbms() != dbmsACCESS) + if (!UserID.empty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsMS_SQL_SERVER) { retcode = SQLColumns(hstmt, NULL, 0, // All qualifiers - (UCHAR *) UserID.GetData(), SQL_NTS, // Owner - (UCHAR *) TableName.GetData(), SQL_NTS, + (SQLTCHAR *) UserID.c_str(), SQL_NTS, // Owner + (SQLTCHAR *) TableName.c_str(), SQL_NTS, NULL, 0); // All columns } else @@ -1642,7 +2595,7 @@ wxColInf *wxDB::GetColumns(char *tableName[], const char *userID) retcode = SQLColumns(hstmt, NULL, 0, // All qualifiers NULL, 0, // Owner - (UCHAR *) TableName.GetData(), SQL_NTS, + (SQLTCHAR *) TableName.c_str(), SQL_NTS, NULL, 0); // All columns } if (retcode != SQL_SUCCESS) @@ -1663,38 +2616,42 @@ wxColInf *wxDB::GetColumns(char *tableName[], const char *userID) if (colNo < noCols) // Some extra error checking to prevent memory overwrites { // NOTE: Only the ODBC 1.x fields are retrieved - GetData( 1, SQL_C_CHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb); - GetData( 2, SQL_C_CHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb); - GetData( 3, SQL_C_CHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb); - GetData( 4, SQL_C_CHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb); + 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_CHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb); - GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb); - GetData( 8, SQL_C_SLONG, (UCHAR*) &colInf[colNo].bufferLength, 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_CHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &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 + // 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)) { - if (colInf[colNo].columnSize < 1) +#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) { - // IODBC does not return a correct columnSize, so we set - // columnSize = bufferLength if no column size was returned - colInf[colNo].columnSize = colInf[colNo].bufferLength; + colInf[colNo].columnLength = colInf[colNo].bufferSize; } +#endif colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR; } - else if (!wxStricmp(typeInfInteger.TypeName,colInf[colNo].typeName)) + else if (!wxStricmp(typeInfInteger.TypeName, colInf[colNo].typeName)) colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER; - else if (!wxStricmp(typeInfFloat.TypeName,colInf[colNo].typeName)) + else if (!wxStricmp(typeInfFloat.TypeName, colInf[colNo].typeName)) colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT; - else if (!wxStricmp(typeInfDate.TypeName,colInf[colNo].typeName)) + 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++; } } @@ -1713,57 +2670,41 @@ wxColInf *wxDB::GetColumns(char *tableName[], const char *userID) SQLFreeStmt(hstmt, SQL_CLOSE); return colInf; -} // wxDB::GetColumns() +} // wxDb::GetColumns() -/********** wxDB::GetColumns() **********/ -wxColInf *wxDB::GetColumns(char *tableName, int *numCols, const char *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 wxColInf 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. - */ +/********** 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. + { - int noCols = 0; - int colNo = 0; - wxColInf *colInf = 0; + UWORD noCols = 0; + UWORD colNo = 0; + wxDbColInf *colInf = 0; RETCODE retcode; SDWORD cb; - wxString UserID; wxString TableName; - if (userID) - { - if (!wxStrlen(userID)) - UserID = uid; - else - UserID = userID; - } - else - UserID = ""; - - // 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) - UserID = UserID.Upper(); + wxString UserID; + convertUserID(userID,UserID); // Pass 1 - Determine how many columns there are. - // Pass 2 - Allocate the wxColInf array and fill in + // Pass 2 - Allocate the wxDbColInf array and fill in // the array with the column information. int pass; for (pass = 1; pass <= 2; pass++) @@ -1772,34 +2713,37 @@ wxColInf *wxDB::GetColumns(char *tableName, int *numCols, const char *userID) { if (noCols == 0) // Probably a bogus table name(s) break; - // Allocate n wxColInf objects to hold the column information - colInf = new wxColInf[noCols+1]; + // 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, ""); - wxStrcpy(colInf[noCols].colName, ""); + wxStrcpy(colInf[noCols].tableName, wxEmptyString); + wxStrcpy(colInf[noCols].colName, wxEmptyString); colInf[noCols].sqlDataType = 0; } TableName = tableName; - // Oracle table names are uppercase only, so force + // 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) + if ((Dbms() == dbmsORACLE) || + (Dbms() == dbmsFIREBIRD) || + (Dbms() == dbmsINTERBASE)) TableName = TableName.Upper(); SQLFreeStmt(hstmt, SQL_CLOSE); - // MySQL and Access cannot accept a user name when looking up column names, so we + // 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 (wxStrcmp(UserID.GetData(),"") && - Dbms() != dbmsMY_SQL && - Dbms() != dbmsACCESS) + if (!UserID.empty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsMS_SQL_SERVER) { retcode = SQLColumns(hstmt, NULL, 0, // All qualifiers - (UCHAR *) UserID.GetData(), SQL_NTS, // Owner - (UCHAR *) TableName.GetData(), SQL_NTS, + (SQLTCHAR *) UserID.c_str(), SQL_NTS, // Owner + (SQLTCHAR *) TableName.c_str(), SQL_NTS, NULL, 0); // All columns } else @@ -1807,7 +2751,7 @@ wxColInf *wxDB::GetColumns(char *tableName, int *numCols, const char *userID) retcode = SQLColumns(hstmt, NULL, 0, // All qualifiers NULL, 0, // Owner - (UCHAR *) TableName.GetData(), SQL_NTS, + (SQLTCHAR *) TableName.c_str(), SQL_NTS, NULL, 0); // All columns } if (retcode != SQL_SUCCESS) @@ -1830,43 +2774,57 @@ wxColInf *wxDB::GetColumns(char *tableName, int *numCols, const char *userID) if (colNo < noCols) // Some extra error checking to prevent memory overwrites { // NOTE: Only the ODBC 1.x fields are retrieved - GetData( 1, SQL_C_CHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb); - GetData( 2, SQL_C_CHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb); - GetData( 3, SQL_C_CHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb); - GetData( 4, SQL_C_CHAR, (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_CHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb); - GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb); + 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].bufferLength, 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_CHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &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 - // Determine the wxDB data type that is used to represent the native data type of this data source + // 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)) + if (!wxStricmp(typeInfVarchar.TypeName, colInf[colNo].typeName)) { - if (colInf[colNo].columnSize < 1) +#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) { - // IODBC does not return a correct columnSize, so we set - // columnSize = bufferLength if no column size was returned - colInf[colNo].columnSize = colInf[colNo].bufferLength; + colInf[colNo].columnLength = colInf[colNo].bufferSize; } +#endif + colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR; } - else if (!wxStricmp(typeInfInteger.TypeName,colInf[colNo].typeName)) + else if (!wxStricmp(typeInfInteger.TypeName, colInf[colNo].typeName)) colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER; - else if (!wxStricmp(typeInfFloat.TypeName,colInf[colNo].typeName)) + else if (!wxStricmp(typeInfFloat.TypeName, colInf[colNo].typeName)) colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT; - else if (!wxStricmp(typeInfDate.TypeName,colInf[colNo].typeName)) + 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++; } @@ -1893,11 +2851,358 @@ wxColInf *wxDB::GetColumns(char *tableName, int *numCols, const char *userID) *numCols = noCols; return colInf; -} // wxDB::GetColumns() +} // 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 + + // 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(char *tableName, const char *userID) + +/********** wxDb::GetColumnCount() **********/ +int wxDb::GetColumnCount(const wxString &tableName, const wxChar *userID) /* * Returns a count of how many columns are in a table. * If an error occurs in computing the number of columns @@ -1908,99 +3213,80 @@ int wxDB::GetColumnCount(char *tableName, const char *userID) * 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 + * 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 noCols = 0; + UWORD noCols = 0; RETCODE retcode; - wxString UserID; wxString TableName; - if (userID) - { - if (!wxStrlen(userID)) - UserID = uid; - else - UserID = userID; - } - else - UserID = ""; + wxString UserID; + convertUserID(userID,UserID); - // dBase does not use user names, and some drivers fail if you try to pass one - if (Dbms() == dbmsDBASE) - 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(); - // Oracle user names may only be in uppercase, so force - // the name to uppercase - if (Dbms() == dbmsORACLE) - UserID = UserID.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) { - // Loop through each table name - { - TableName = tableName; - // Oracle table names are uppercase only, so force - // the name to uppercase just in case programmer forgot to do this - if (Dbms() == dbmsORACLE) - TableName = TableName.Upper(); - - 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 (wxStrcmp(UserID.GetData(),"") && - Dbms() != dbmsMY_SQL && - Dbms() != dbmsACCESS) - { - retcode = SQLColumns(hstmt, - NULL, 0, // All qualifiers - (UCHAR *) UserID.GetData(), SQL_NTS, // Owner - (UCHAR *) TableName.GetData(), SQL_NTS, - NULL, 0); // All columns - } - else - { - retcode = SQLColumns(hstmt, - NULL, 0, // All qualifiers - NULL, 0, // Owner - (UCHAR *) TableName.GetData(), SQL_NTS, - NULL, 0); // All columns - } - if (retcode != SQL_SUCCESS) - { // Error occured, abort - DispAllErrors(henv, hdbc, hstmt); - SQLFreeStmt(hstmt, SQL_CLOSE); - return(-1); - } + 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++; + // 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); - } - } + 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::GetColumnCount() -/********** wxDB::GetCatalog() *******/ -wxDbInf *wxDB::GetCatalog(char *userID) +/********** wxDb::GetCatalog() *******/ +wxDbInf *wxDb::GetCatalog(const wxChar *userID) /* * --------------------------------------------------------------------- - * -- 19991203 : mj10777@gmx.net : Create ------ + * -- 19991203 : mj10777 : Create ------ * -- : Creates a wxDbInf with Tables / Cols Array ------ * -- : uses SQLTables and fills pTableInf; ------ * -- : pColInf is set to NULL and numCols to 0; ------ @@ -2015,64 +3301,45 @@ wxDbInf *wxDB::GetCatalog(char *userID) * 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 + * 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. */ { - wxDbInf *pDbInf = NULL; // Array of catalog entries int noTab = 0; // Counter while filling table entries int pass; RETCODE retcode; SDWORD cb; -// char tblNameSave[DB_MAX_TABLE_NAME_LEN+1]; wxString tblNameSave; wxString UserID; + convertUserID(userID,UserID); - if (userID) - { - if (!wxStrlen(userID)) - UserID = uid; - else - UserID = userID; - } - else - UserID = ""; - - // dBase does not use user names, and some drivers fail if you try to pass one - if (Dbms() == dbmsDBASE) - UserID = ""; + //------------------------------------------------------------- + // Create the Database Array of catalog entries - // Oracle user names may only be in uppercase, so force - // the name to uppercase - if (Dbms() == dbmsORACLE) - UserID = UserID.Upper(); + wxDbInf *pDbInf = new wxDbInf; - //------------------------------------------------------------- - pDbInf = new wxDbInf; // Create the Database Arrray - pDbInf->catalog[0] = 0; - pDbInf->schema[0] = 0; - pDbInf->numTables = 0; // Counter for Tables - pDbInf->pTableInf = NULL; // Array of Tables //------------------------------------------------------------- // 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 = ""; + tblNameSave.Empty(); - if (wxStrcmp(UserID.GetData(),"") && - Dbms() != dbmsMY_SQL && - Dbms() != dbmsACCESS) + if (!UserID.empty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsMS_SQL_SERVER) { retcode = SQLTables(hstmt, NULL, 0, // All qualifiers - (UCHAR *) UserID.GetData(), SQL_NTS, // User specified + (SQLTCHAR *) UserID.c_str(), SQL_NTS, // User specified NULL, 0, // All tables NULL, 0); // All columns } @@ -2084,6 +3351,7 @@ wxDbInf *wxDB::GetCatalog(char *userID) NULL, 0, // All tables NULL, 0); // All columns } + if (retcode != SQL_SUCCESS) { DispAllErrors(henv, hdbc, hstmt); @@ -2098,8 +3366,8 @@ wxDbInf *wxDB::GetCatalog(char *userID) { if (pDbInf->numTables == 0) { - GetData( 1, SQL_C_CHAR, (UCHAR*) pDbInf->catalog, 128+1, &cb); - GetData( 2, SQL_C_CHAR, (UCHAR*) pDbInf->schema, 128+1, &cb); + 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) @@ -2107,37 +3375,33 @@ wxDbInf *wxDB::GetCatalog(char *userID) { if (pDbInf->pTableInf == NULL) // Has the Table Array been created { // no, then create the Array - pDbInf->pTableInf = new wxTableInf[pDbInf->numTables]; - for (noTab=0;noTabnumTables;noTab++) - { - (pDbInf->pTableInf+noTab)->tableName[0] = 0; - (pDbInf->pTableInf+noTab)->tableType[0] = 0; - (pDbInf->pTableInf+noTab)->tableRemarks[0] = 0; - (pDbInf->pTableInf+noTab)->numCols = 0; - (pDbInf->pTableInf+noTab)->pColInf = NULL; - } + pDbInf->pTableInf = new wxDbTableInf[pDbInf->numTables]; noTab = 0; } // if (pDbInf->pTableInf == NULL) // Has the Table Array been created - GetData( 3, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableName, DB_MAX_TABLE_NAME_LEN+1, &cb); - GetData( 4, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableType, 30+1, &cb); - GetData( 5, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableRemarks, 254+1, &cb); + + 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 (pass == 2) We now know the amount of Tables - } // while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) - } // for (pass = 1; pass <= 2; pass++) + } // if + } // while + } // for SQLFreeStmt(hstmt, SQL_CLOSE); // Query how many columns are in each table for (noTab=0;noTabnumTables;noTab++) { - (pDbInf->pTableInf+noTab)->numCols = GetColumnCount((pDbInf->pTableInf+noTab)->tableName,UserID); + (pDbInf->pTableInf+noTab)->numCols = (UWORD)GetColumnCount((pDbInf->pTableInf+noTab)->tableName,UserID); } + return pDbInf; -} // wxDB::GetCatalog() + +} // wxDb::GetCatalog() -/********** wxDB::Catalog() **********/ -bool wxDB::Catalog(const char *userID, const char *fileName) +/********** 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 @@ -2148,56 +3412,41 @@ bool wxDB::Catalog(const char *userID, const char *fileName) * 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 + * 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. */ { - assert(fileName && wxStrlen(fileName)); + wxASSERT(fileName.Length()); RETCODE retcode; SDWORD cb; - char tblName[DB_MAX_TABLE_NAME_LEN+1]; + wxChar tblName[DB_MAX_TABLE_NAME_LEN+1]; wxString tblNameSave; - char colName[DB_MAX_COLUMN_NAME_LEN+1]; + wxChar colName[DB_MAX_COLUMN_NAME_LEN+1]; SWORD sqlDataType; - char typeName[30+1]; - SWORD precision, length; + wxChar typeName[30+1]; + SDWORD precision, length; - wxString UserID; - - FILE *fp = fopen(fileName,"wt"); + FILE *fp = wxFopen(fileName.c_str(),wxT("wt")); if (fp == NULL) - return(FALSE); + return false; SQLFreeStmt(hstmt, SQL_CLOSE); - if (userID) - { - if (!wxStrlen(userID)) - UserID = uid; - else - UserID = userID; - } - else - UserID = ""; - - // 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) - UserID = UserID.Upper(); - - if (wxStrcmp(UserID.GetData(),"") && - Dbms() != dbmsMY_SQL && - Dbms() != dbmsACCESS) + 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 - (UCHAR *) UserID.GetData(), SQL_NTS, // User specified + (SQLTCHAR *) UserID.c_str(), SQL_NTS, // User specified NULL, 0, // All tables NULL, 0); // All columns } @@ -2213,49 +3462,53 @@ bool wxDB::Catalog(const char *userID, const char *fileName) { DispAllErrors(henv, hdbc, hstmt); fclose(fp); - return(FALSE); + return false; } wxString outStr; - tblNameSave = ""; + tblNameSave.Empty(); int cnt = 0; - while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) + while (true) { - if (wxStrcmp(tblName,tblNameSave.GetData())) + 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) - fputs("\n", fp); - fputs("================================ ", fp); - fputs("================================ ", fp); - fputs("===================== ", fp); - fputs("========= ", fp); - fputs("=========\n", fp); - outStr.sprintf("%-32s %-32s %-21s %9s %9s\n", - "TABLE NAME", "COLUMN NAME", "DATA TYPE", "PRECISION", "LENGTH"); - fputs(outStr.GetData(), fp); - fputs("================================ ", fp); - fputs("================================ ", fp); - fputs("===================== ", fp); - fputs("========= ", fp); - fputs("=========\n", fp); + 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; } - GetData(3,SQL_C_CHAR, (UCHAR *)tblName, DB_MAX_TABLE_NAME_LEN+1, &cb); - GetData(4,SQL_C_CHAR, (UCHAR *)colName, DB_MAX_COLUMN_NAME_LEN+1,&cb); - GetData(5,SQL_C_SSHORT,(UCHAR *)&sqlDataType,0, &cb); - GetData(6,SQL_C_CHAR, (UCHAR *)typeName, sizeof(typeName), &cb); - GetData(7,SQL_C_SSHORT,(UCHAR *)&precision, 0, &cb); - GetData(8,SQL_C_SSHORT,(UCHAR *)&length, 0, &cb); - - outStr.sprintf("%-32s %-32s (%04d)%-15s %9d %9d\n", + outStr.Printf(wxT("%-32s %-32s (%04d)%-15s %9ld %9ld\n"), tblName, colName, sqlDataType, typeName, precision, length); - if (fputs(outStr.GetData(), fp) == EOF) + if (wxFputs(outStr.c_str(), fp) == EOF) { SQLFreeStmt(hstmt, SQL_CLOSE); fclose(fp); - return(FALSE); + return false; } cnt++; } @@ -2268,10 +3521,10 @@ bool wxDB::Catalog(const char *userID, const char *fileName) fclose(fp); return(retcode == SQL_NO_DATA_FOUND); -} // wxDB::Catalog() +} // wxDb::Catalog() -bool wxDB::TableExists(const char *tableName, const char *userID, const char *tablePath) +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 @@ -2284,97 +3537,241 @@ bool wxDB::TableExists(const char *tableName, const char *userID, const char *ta * userID != "" ... UserID set equal to 'userID' */ { - wxString UserID; - wxString TableName; + wxASSERT(tableName.Length()); - assert(tableName && wxStrlen(tableName)); + wxString TableName; if (Dbms() == dbmsDBASE) { wxString dbName; - if (tablePath && wxStrlen(tablePath)) - dbName.sprintf("%s/%s.dbf",tablePath,tableName); + if (tablePath.Length()) + dbName.Printf(wxT("%s/%s.dbf"), tablePath.c_str(), tableName.c_str()); else - dbName.sprintf("%s.dbf",tableName); + dbName.Printf(wxT("%s.dbf"), tableName.c_str()); bool exists; - exists = wxFileExists(dbName.GetData()); + exists = wxFileExists(dbName); return exists; } - if (userID) - { - if (!wxStrlen(userID)) - UserID = uid; - else - UserID = userID; - } - else - UserID = ""; - - // Oracle user names may only be in uppercase, so force - // the name to uppercase - if (Dbms() == dbmsORACLE) - UserID = UserID.Upper(); + wxString UserID; + convertUserID(userID,UserID); TableName = tableName; - // Oracle table names are uppercase only, so force + // 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) + if ((Dbms() == dbmsORACLE) || + (Dbms() == dbmsFIREBIRD) || + (Dbms() == dbmsINTERBASE)) TableName = TableName.Upper(); 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 (wxStrcmp(UserID,"") && - Dbms() != dbmsMY_SQL && - Dbms() != dbmsACCESS) + // 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 - (UCHAR *) UserID.GetData(), SQL_NTS, // All owners - (UCHAR FAR *)TableName.GetData(), SQL_NTS, - NULL, 0); // All table types + 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 - (UCHAR FAR *)TableName.GetData(), SQL_NTS, - NULL, 0); // All table types + 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) + 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() + 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 -/********** wxDB::SqlLog() **********/ -bool wxDB::SqlLog(wxSqlLogState state, const char *filename, bool append) +const wxString wxDb::SQLTableName(const wxChar *tableName) { - assert(state == sqlLogON || state == sqlLogOFF); - assert(state == sqlLogOFF || filename); + 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 = fopen(filename, (append ? "at" : "wt")); + fpSqlLog = wxFopen(filename.c_str(), (append ? wxT("at") : wxT("wt"))); if (fpSqlLog == NULL) - return(FALSE); + return false; } } else // sqlLogOFF @@ -2382,43 +3779,46 @@ bool wxDB::SqlLog(wxSqlLogState state, const char *filename, bool append) if (fpSqlLog) { if (fclose(fpSqlLog)) - return(FALSE); + return false; fpSqlLog = 0; } } sqlLogState = state; - return(TRUE); + return true; -} // wxDB::SqlLog() +} // wxDb::SetSqlLogging() -/********** wxDB::WriteSqlLog() **********/ -bool wxDB::WriteSqlLog(const char *logMsg) +/********** wxDb::WriteSqlLog() **********/ +bool wxDb::WriteSqlLog(const wxString &logMsg) { - assert(logMsg); + wxASSERT(logMsg.Length()); if (fpSqlLog == 0 || sqlLogState == sqlLogOFF) - return(FALSE); + return false; - if (fputs("\n", fpSqlLog) == EOF) return(FALSE); - if (fputs(logMsg, fpSqlLog) == EOF) return(FALSE); - if (fputs("\n", fpSqlLog) == EOF) 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); + return true; -} // wxDB::WriteSqlLog() +} // wxDb::WriteSqlLog() -/********** wxDB::Dbms() **********/ -wxDBMS wxDB::Dbms(void) +/********** 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. * @@ -2433,7 +3833,7 @@ wxDBMS wxDB::Dbms(void) * - 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. + * 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 * @@ -2445,66 +3845,268 @@ wxDBMS wxDB::Dbms(void) * * SYBASE (Enterprise) * - 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 + * - 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 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 */ { + // 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)); + } - wxStrncpy(baseName,dbInf.dbmsName,25); - if (!wxStricmp(dbInf.dbmsName,"Adaptive Server Anywhere")) - return(dbmsSYBASE_ASA); - if (!wxStricmp(dbInf.dbmsName,"SQL Server")) // Sybase Adaptive Server - return(dbmsSYBASE_ASE); - if (!wxStricmp(dbInf.dbmsName,"Microsoft SQL Server")) - return(dbmsMS_SQL_SERVER); - if (!wxStricmp(dbInf.dbmsName,"MySQL")) - return(dbmsMY_SQL); - if (!wxStricmp(dbInf.dbmsName,"PostgreSQL")) // v6.5.0 - return(dbmsPOSTGRES); + 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,"Informix")) - return(dbmsINFORMIX); + if (!wxStricmp(baseName,wxT("Informix"))) + return((wxDBMS)(dbmsType = dbmsINFORMIX)); + + if (!wxStricmp(baseName,wxT("Firebird"))) + return((wxDBMS)(dbmsType = dbmsFIREBIRD)); baseName[6] = 0; - if (!wxStricmp(baseName,"Oracle")) - return(dbmsORACLE); - if (!wxStricmp(dbInf.dbmsName,"ACCESS")) - return(dbmsACCESS); - if (!wxStricmp(dbInf.dbmsName,"MySQL")) - return(dbmsMY_SQL); + 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,"DBASE")) - return(dbmsDBASE); + 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)); + + 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; + } - return(dbmsUNIDENTIFIED); -} // wxDB::Dbms() + // for passing things like "NOT NULL" + if (optionalParam.Length()) + { + sqlStmt += wxT(" "); + sqlStmt += optionalParam; + } + + return ExecSql(sqlStmt); + +} // wxDb::ModifyColumn() /********** wxDbGetConnection() **********/ -wxDB WXDLLEXPORT *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnlyCursors) +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 && (! wxStrcmp(pDbConfig->Dsn, pList->Dsn))) // Found a free connection + 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 { - pList->Free = FALSE; - return(pList->PtrDb); + if (!wxStrcmp(pDbConfig->GetDsn(), pList->Dsn) && + !wxStrcmp(pDbConfig->GetUserID(), pList->Uid) && + !wxStrcmp(pDbConfig->GetPassword(), pList->AuthStr)) + matchingDbConnection = pList->PtrDb; } } @@ -2519,7 +4121,7 @@ wxDB WXDLLEXPORT *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnlyCurso pList->PtrNext->PtrPrev = pList; pList = pList->PtrNext; } - else // Empty list + else // Empty list { // Create the first node on the list pList = PtrBegDbList = new wxDbList; @@ -2527,15 +4129,36 @@ wxDB WXDLLEXPORT *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnlyCurso } // Initialize new node in the linked list - pList->PtrNext = 0; - pList->Free = FALSE; - wxStrcpy(pList->Dsn, pDbConfig->Dsn); - pList->PtrDb = new wxDB(pDbConfig->Henv,FwdOnlyCursors); + 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 (pList->PtrDb->Open(pDbConfig->Dsn, pDbConfig->Uid, pDbConfig->AuthStr)) + if (opened) { - pList->PtrDb->SqlLog(SQLLOGstate,SQLLOGfn,TRUE); + 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 @@ -2543,11 +4166,12 @@ wxDB WXDLLEXPORT *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnlyCurso 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 + 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); } @@ -2555,25 +4179,25 @@ wxDB WXDLLEXPORT *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnlyCurso /********** wxDbFreeConnection() **********/ -bool WXDLLEXPORT wxDbFreeConnection(wxDB *pDb) +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!!! - return(pList->Free = TRUE); + if (pList->PtrDb == pDb) // Found it, now free it!!! + return (pList->Free = true); } // Never found the database object, return failure - return(FALSE); + return false; } // wxDbFreeConnection() /********** wxDbCloseConnections() **********/ -void WXDLLEXPORT wxDbCloseConnections(void) +void WXDLLIMPEXP_ODBC wxDbCloseConnections(void) { wxDbList *pList, *pNext; @@ -2581,9 +4205,10 @@ void WXDLLEXPORT wxDbCloseConnections(void) 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 + 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 } @@ -2593,8 +4218,8 @@ void WXDLLEXPORT wxDbCloseConnections(void) } // wxDbCloseConnections() -/********** wxDbNumberConnectionsInUse() **********/ -int WXDLLEXPORT wxDbConnectionsInUse(void) +/********** wxDbConnectionsInUse() **********/ +int WXDLLIMPEXP_ODBC wxDbConnectionsInUse(void) { wxDbList *pList; int cnt = 0; @@ -2602,7 +4227,7 @@ int WXDLLEXPORT wxDbConnectionsInUse(void) // Scan the linked list counting db connections that are currently in use for (pList = PtrBegDbList; pList; pList = pList->PtrNext) { - if (pList->Free == FALSE) + if (pList->Free == false) cnt++; } @@ -2611,39 +4236,90 @@ int WXDLLEXPORT wxDbConnectionsInUse(void) } // 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(wxSqlLogState state, char *filename) +bool wxDbSqlLog(wxDbSqlLogState state, const wxChar *filename) { - bool append = FALSE; + bool append = false; wxDbList *pList; for (pList = PtrBegDbList; pList; pList = pList->PtrNext) { - if (!pList->PtrDb->SqlLog(state,filename,append)) - return(FALSE); - append = TRUE; + if (!pList->PtrDb->SetSqlLogging(state,filename,append)) + return false; + append = true; } SQLLOGstate = state; - wxStrcpy(SQLLOGfn,filename); + SQLLOGfn = filename; - return(TRUE); + return true; } // wxDbSqlLog() #if 0 /********** wxDbCreateDataSource() **********/ -int wxDbCreateDataSource(const char *driverName, const char *dsn, const char *description, - bool sysDSN, const char *defDir, wxWindow *parent) +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. + * Very rudimentary creation of an ODBC data source. + * + * ODBC driver must be ODBC 3.0 compliant to use this function */ { int result = FALSE; -#ifdef __WXMSW__ +//!!!! ONLY FUNCTIONAL UNDER MSW with VC6 !!!! +#ifdef __VISUALC__ int dsnLocation; wxString setupStr; @@ -2653,59 +4329,58 @@ int wxDbCreateDataSource(const char *driverName, const char *dsn, const char *de 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 + // so that is why I used it, as wxString does not deal well with // embedded nulls in strings - setupStr.sprintf("DSN=%s%cDescription=%s%cDefaultDir=%s%c",dsn,2,description,2,defDir,2); + 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); + k = setupStr.Find((wxChar)2,true); if (k != wxNOT_FOUND) - setupStr[(UINT)k] = '\0'; + setupStr[(UINT)k] = wxT('\0'); } while (k != wxNOT_FOUND); result = SQLConfigDataSource((HWND)parent->GetHWND(), dsnLocation, - driverName, setupStr.GetData()); + driverName, setupStr.c_str()); - if (!result) + if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) { // check for errors caused by ConfigDSN based functions DWORD retcode = 0; WORD cb; - wxChar errMsg[500+1]; - errMsg[0] = '\0'; + wxChar errMsg[SQL_MAX_MESSAGE_LENGTH]; + errMsg[0] = wxT('\0'); - SQLInstallerError(1,&retcode,errMsg,500,&cb); + // 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) { -// logError(errMsg, sqlState); -// if (!silent) -// { #ifdef DBDEBUG_CONSOLE - // When run in console mode, use standard out to display errors. - cout << errMsg << endl; - cout << "Press any key to continue..." << endl; - getchar(); + // 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,"DEBUG MESSAGE"); + wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE")); #endif // __WXDEBUG__ } } else result = TRUE; - -#else // __WXMSW__ +#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("wxDbCreateDataSource() not available except under MSW","DEBUG MESSAGE"); + wxLogDebug(wxT("wxDbCreateDataSource() not available except under VC++/MSW"),wxT("ODBC DEBUG MESSAGE")); #endif -#endif // __WXMSW__ + result = FALSE; +#endif // __VISUALC__ return result; @@ -2714,26 +4389,28 @@ int wxDbCreateDataSource(const char *driverName, const char *dsn, const char *de /********** wxDbGetDataSource() **********/ -bool wxDbGetDataSource(HENV henv, char *Dsn, SWORD DsnMax, char *DsDesc, SWORD DsDescMax, - UWORD direction) +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, (UCHAR FAR *) Dsn, DsnMax, &cb1, - (UCHAR FAR *) DsDesc, DsDescMax, &cb2) == SQL_SUCCESS) - return(TRUE); + if (SQLDataSources(henv, direction, (SQLTCHAR FAR *) Dsn, lengthDsn, &cb1, + (SQLTCHAR FAR *) DsDesc, lengthDsDesc, &cb2) == SQL_SUCCESS) + return true; else - return(FALSE); + return false; } // wxDbGetDataSource() // Change this to 0 to remove use of all deprecated functions -#if 1 +#if wxODBC_BACKWARD_COMPATABILITY /******************************************************************** ******************************************************************** * @@ -2742,9 +4419,9 @@ bool wxDbGetDataSource(HENV henv, char *Dsn, SWORD DsnMax, char *DsDesc, SWORD D * ******************************************************************** ********************************************************************/ -bool SqlLog(sqlLog state, char *filename) +bool SqlLog(sqlLog state, const wxChar *filename) { - return wxDbSqlLog((enum wxSqlLogState)state, filename); + return wxDbSqlLog((enum wxDbSqlLogState)state, filename); } /***** DEPRECATED: use wxGetDataSource() *****/ bool GetDataSource(HENV henv, char *Dsn, SWORD DsnMax, char *DsDesc, SWORD DsDescMax, @@ -2753,30 +4430,27 @@ bool GetDataSource(HENV henv, char *Dsn, SWORD DsnMax, char *DsDesc, SWORD DsDes return wxDbGetDataSource(henv, Dsn, DsnMax, DsDesc, DsDescMax, direction); } /***** DEPRECATED: use wxDbGetConnection() *****/ -wxDB WXDLLEXPORT *GetDbConnection(DbStuff *pDbStuff, bool FwdOnlyCursors) +wxDb WXDLLIMPEXP_ODBC *GetDbConnection(DbStuff *pDbStuff, bool FwdOnlyCursors) { return wxDbGetConnection((wxDbConnectInf *)pDbStuff, FwdOnlyCursors); } /***** DEPRECATED: use wxDbFreeConnection() *****/ -bool WXDLLEXPORT FreeDbConnection(wxDB *pDb) +bool WXDLLIMPEXP_ODBC FreeDbConnection(wxDb *pDb) { return wxDbFreeConnection(pDb); } /***** DEPRECATED: use wxDbCloseConnections() *****/ -void WXDLLEXPORT CloseDbConnections(void) +void WXDLLIMPEXP_ODBC CloseDbConnections(void) { wxDbCloseConnections(); } /***** DEPRECATED: use wxDbConnectionsInUse() *****/ -int WXDLLEXPORT NumberDbConnectionsInUse(void) +int WXDLLIMPEXP_ODBC NumberDbConnectionsInUse(void) { return wxDbConnectionsInUse(); } #endif - - - #endif // wxUSE_ODBC