X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..8168de4c791743534263e43bde4d312e88e01d65:/src/common/db.cpp diff --git a/src/common/db.cpp b/src/common/db.cpp index cd146b9004..d9ce256f6d 100644 --- a/src/common/db.cpp +++ b/src/common/db.cpp @@ -5,6 +5,8 @@ // 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 @@ -32,53 +34,32 @@ // SYNOPSIS START // SYNOPSIS STOP */ +#ifdef __GNUG__ + #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" +#ifndef WX_PRECOMP + #include "wx/string.h" + #include "wx/object.h" + #include "wx/list.h" + #include "wx/utils.h" + #if wxUSE_GUI #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 + #include "wx/log.h" #endif +#include "wx/filefn.h" +#include "wx/wxchar.h" #if wxUSE_ODBC @@ -88,17 +69,13 @@ #include #include -#if wxMAJOR_VERSION == 1 - #include "db.h" -#elif wxMAJOR_VERSION == 2 - #include "wx/db.h" -#endif +#include "wx/db.h" WXDLLEXPORT_DATA(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; @@ -107,8 +84,7 @@ char const *SQL_CATALOG_FILENAME = "catalog.txt"; // SQL Log defaults to be used by GetDbConnection wxDbSqlLogState SQLLOGstate = sqlLogOFF; -//char SQLLOGfn[wxDB_PATH_MAX+1] = SQL_LOG_FILENAME; -wxChar *SQLLOGfn = (wxChar*) SQL_LOG_FILENAME; +static wxString SQLLOGfn = SQL_LOG_FILENAME; // The wxDb::errorList is copied to this variable when the wxDb object // is closed. This way, the error list is still available after the @@ -116,23 +92,150 @@ wxChar *SQLLOGfn = (wxChar*) SQL_LOG_FILENAME; // 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]; +// 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]; -/********** wxDbColFor Constructor **********/ -wxDbColFor::wxDbColFor() +// 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; + Description.Empty(); + FileType.Empty(); + DefaultDir.Empty(); + + 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 + + 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)); + + wxStrcpy(Dsn,dsn); +} // wxDbConnectInf::SetDsn() + + +void wxDbConnectInf::SetUserID(const wxString &uid) +{ + wxASSERT(uid.Length() < sizeof(Uid)); + wxStrcpy(Uid,uid); +} // wxDbConnectInf::SetUserID() + + +void wxDbConnectInf::SetPassword(const wxString &password) +{ + wxASSERT(password.Length() < sizeof(AuthStr)); + + wxStrcpy(AuthStr,password); +} // wxDbConnectInf::SetPassword() + + + +/********** wxDbColFor Constructor **********/ +wxDbColFor::wxDbColFor() +{ + Initialize(); } // wxDbColFor::wxDbColFor() @@ -141,29 +244,51 @@ wxDbColFor::~wxDbColFor() } // wxDbColFor::~wxDbColFor() -int wxDbColFor::Format(int Nation,int dbDataType,SWORD sqlDataType,short columnSize,short decimalDigits) +/********** wxDbColFor::Initialize() **********/ +void wxDbColFor::Initialize() +{ + s_Field.Empty(); + int i; + for (i=0; i<7; i++) + { + s_Format[i].Empty(); + s_Amount[i].Empty(); + i_Amount[i] = 0; + } + i_Nation = 0; // 0=EU, 1=UK, 2=International, 3=US + i_dbDataType = 0; + i_sqlDataType = 0; + Format(1,DB_DATA_TYPE_VARCHAR,0,0,0); // the Function that does the work +} // wxDbColFor::Initialize() + + +/********** wxDbColFor::Format() **********/ +int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType, + short columnSize, 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)) 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; @@ -171,103 +296,240 @@ int wxDbColFor::Format(int Nation,int dbDataType,SWORD sqlDataType,short columnS i_dbDataType = DB_DATA_TYPE_VARCHAR; 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(),columnSize,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; } // 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; + columnSize = 0; + bufferLength = 0; + decimalDigits = 0; + numPrecRadix = 0; + nullable = 0; + remarks[0] = 0; + dbDataType = 0; + PkCol = 0; + PkTableName[0] = 0; + FkCol = 0; + FkTableName[0] = 0; + pColFor = NULL; + + return TRUE; +} // wxDbColInf::Initialize() + + +/********** wxDbTableInf Constructor ********/ +wxDbTableInf::wxDbTableInf() +{ + Initialize(); +} // wxDbTableInf::wxDbTableInf() + + +/********** wxDbTableInf Constructor ********/ +wxDbTableInf::~wxDbTableInf() +{ + if (pColInf) + delete [] pColInf; + pColInf = NULL; +} // wxDbTableInf::~wxDbTableInf() + + +bool wxDbTableInf::Initialize() +{ + tableName[0] = 0; + tableType[0] = 0; + tableRemarks[0] = 0; + numCols = 0; + pColInf = NULL; + + return TRUE; +} // wxDbTableInf::Initialize() + + +/********** wxDbInf Constructor *************/ +wxDbInf::wxDbInf() +{ + Initialize(); +} // wxDbInf::wxDbInf() + + +/********** wxDbInf Destructor *************/ +wxDbInf::~wxDbInf() +{ + if (pTableInf) + delete [] pTableInf; + pTableInf = NULL; +} // wxDbInf::~wxDbInf() + + +/********** wxDbInf::Initialize() *************/ +bool wxDbInf::Initialize() +{ + catalog[0] = 0; + schema[0] = 0; + numTables = 0; + pTableInf = NULL; + + return TRUE; +} // wxDbInf::Initialize() + + /********** wxDb Constructor **********/ -wxDb::wxDb(HENV &aHenv, bool FwdOnlyCursors) +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; + typeInfBlob.TypeName.Empty(); + typeInfBlob.FsqlType = 0; + typeInfBlob.Precision = 0; + typeInfBlob.CaseSensitive = 0; + typeInfBlob.MaximumScale = 0; + // Error reporting is turned OFF by default silent = TRUE; - // Copy the HENV into the db class - henv = aHenv; - fwdOnlyCursors = FwdOnlyCursors; - // Allocate a data source connection handle if (SQLAllocConnect(henv, &hdbc) != SQL_SUCCESS) DispAllErrors(henv); @@ -277,14 +539,45 @@ wxDb::wxDb(HENV &aHenv, bool FwdOnlyCursors) // Mark database as not open as of yet dbIsOpen = FALSE; + dbIsCached = FALSE; +} // wxDb::initialize() -} // wxDb::wxDb() + +/********** PRIVATE! wxDb::convertUserID PRIVATE! **********/ +// +// NOTE: Return value from this function MUST be copied +// immediately, as the value is not good after +// this function has left scope. +// +const wxChar *wxDb::convertUserID(const wxChar *userID, wxString &UserID) +{ + if (userID) + { + if (!wxStrlen(userID)) + UserID = uid; + else + UserID = userID; + } + else + UserID.Empty(); + + // dBase does not use user names, and some drivers fail if you try to pass one + if (Dbms() == dbmsDBASE) + UserID.Empty(); + + // Oracle user names may only be in uppercase, so force + // the name to uppercase + if (Dbms() == dbmsORACLE) + UserID = UserID.Upper(); + + return UserID.c_str(); +} // wxDb::convertUserID() /********** wxDb::Open() **********/ -bool wxDb::Open(char *Dsn, char *Uid, char *AuthStr) +bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthStr) { - assert(Dsn && wxStrlen(Dsn)); + wxASSERT(Dsn.Length()); dsn = Dsn; uid = Uid; authStr = AuthStr; @@ -299,28 +592,36 @@ bool wxDb::Open(char *Dsn, char *Uid, char *AuthStr) #ifdef DBDEBUG_CONSOLE if (retcode == SQL_SUCCESS) - cout << "SQLSetConnectOption(CURSOR_LIB) successful" << endl; + cout << wxT("SQLSetConnectOption(CURSOR_LIB) successful") << endl; else - cout << "SQLSetConnectOption(CURSOR_LIB) failed" << endl; + cout << wxT("SQLSetConnectOption(CURSOR_LIB) failed") << endl; #endif } // Connect to the data source - retcode = SQLConnect(hdbc, (UCHAR FAR *) Dsn, SQL_NTS, - (UCHAR FAR *) Uid, SQL_NTS, - (UCHAR FAR *) AuthStr,SQL_NTS); + retcode = SQLConnect(hdbc, (UCHAR FAR *) dsn.c_str(), SQL_NTS, + (UCHAR FAR *) uid.c_str(), SQL_NTS, + (UCHAR FAR *) authStr.c_str(), SQL_NTS); +/* if (retcode == SQL_SUCCESS_WITH_INFO) DispAllErrors(henv, hdbc); else if (retcode != SQL_SUCCESS) return(DispAllErrors(henv, hdbc)); + if (retcode == SQL_ERROR) + return(DispAllErrors(henv, hdbc)); +*/ + if ((retcode != SQL_SUCCESS) && + (retcode != SQL_SUCCESS_WITH_INFO)) + return(DispAllErrors(henv, hdbc)); + /* If using Intersolv branded ODBC drivers, this is the place where you would substitute your branded driver license information - SQLSetConnectOption(hdbc, 1041, (UDWORD) ""); - SQLSetConnectOption(hdbc, 1042, (UDWORD) ""); + SQLSetConnectOption(hdbc, 1041, (UDWORD) wxEmptyString); + SQLSetConnectOption(hdbc, 1042, (UDWORD) wxEmptyString); */ // Mark database as open @@ -331,17 +632,17 @@ bool wxDb::Open(char *Dsn, char *Uid, char *AuthStr) return(DispAllErrors(henv, hdbc)); // Set Connection Options - if (! setConnectionOptions()) + if (!setConnectionOptions()) return(FALSE); // Query the data source for inf. about itself - if (! getDbInfo()) + 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 @@ -380,8 +681,8 @@ bool wxDb::Open(char *Dsn, char *Uid, char *AuthStr) // SQL_INTEGER type name = 'LONG', Precision = 10 // VARCHAR = Variable length character string - if (! getDataTypeInfo(SQL_VARCHAR, typeInfVarchar)) - if (! getDataTypeInfo(SQL_CHAR, typeInfVarchar)) + if (!getDataTypeInfo(SQL_VARCHAR, typeInfVarchar)) + if (!getDataTypeInfo(SQL_CHAR, typeInfVarchar)) return(FALSE); else typeInfVarchar.FsqlType = SQL_CHAR; @@ -389,12 +690,11 @@ bool wxDb::Open(char *Dsn, char *Uid, char *AuthStr) 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)) + 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; @@ -407,39 +707,53 @@ bool wxDb::Open(char *Dsn, char *Uid, char *AuthStr) 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)) + 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)) + { + if (!getDataTypeInfo(SQL_TIMESTAMP,typeInfDate)) return(FALSE); else typeInfDate.FsqlType = SQL_TIMESTAMP; } else { - if (! getDataTypeInfo(SQL_DATE, typeInfDate)) + if (!getDataTypeInfo(SQL_DATE,typeInfDate)) return(FALSE); else typeInfDate.FsqlType = SQL_DATE; } + if (!getDataTypeInfo(SQL_LONGVARBINARY, typeInfBlob)) + { + if (!getDataTypeInfo(SQL_VARBINARY,typeInfBlob)) + return(FALSE); + else + typeInfBlob.FsqlType = SQL_VARBINARY; + } + else + typeInfBlob.FsqlType = SQL_LONGVARBINARY; + +//typeInfBlob.TypeName = "BLOB"; + #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 << 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 @@ -449,44 +763,203 @@ bool wxDb::Open(char *Dsn, char *Uid, char *AuthStr) } // wxDb::Open() +bool wxDb::Open(wxDbConnectInf *dbConnectInf) +{ + return Open(dbConnectInf->GetDsn(), dbConnectInf->GetUserID(), + dbConnectInf->GetPassword()); +} // wxDb::Open() + + +bool wxDb::Open(wxDb *copyDb) +{ + dsn = copyDb->GetDatasourceName(); + uid = copyDb->GetUsername(); + authStr = copyDb->GetPassword(); + + 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; +#endif + } + + // Connect to the data source + retcode = SQLConnect(hdbc, (UCHAR FAR *) dsn.c_str(), SQL_NTS, + (UCHAR FAR *) uid.c_str(), SQL_NTS, + (UCHAR FAR *) authStr.c_str(), SQL_NTS); + + if (retcode == SQL_ERROR) + return(DispAllErrors(henv, hdbc)); + +/* + If using Intersolv branded ODBC drivers, this is the place where you would substitute + your branded driver license information + + SQLSetConnectOption(hdbc, 1041, (UDWORD) wxEmptyString); + SQLSetConnectOption(hdbc, 1042, (UDWORD) wxEmptyString); +*/ + + // Mark database as open + dbIsOpen = TRUE; + + // Allocate a statement handle for the database connection + if (SQLAllocStmt(hdbc, &hstmt) != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc)); + + // Set Connection Options + if (!setConnectionOptions()) + return(FALSE); + + // Instead of Querying the data source for info about itself, it can just be copied + // from the wxDb instance that was passed in (copyDb). + wxStrcpy(dbInf.serverName,copyDb->dbInf.serverName); + wxStrcpy(dbInf.databaseName,copyDb->dbInf.databaseName); + wxStrcpy(dbInf.dbmsName,copyDb->dbInf.dbmsName); + wxStrcpy(dbInf.dbmsVer,copyDb->dbInf.dbmsVer); + dbInf.maxConnections = copyDb->dbInf.maxConnections; + dbInf.maxStmts = copyDb->dbInf.maxStmts; + wxStrcpy(dbInf.driverName,copyDb->dbInf.driverName); + wxStrcpy(dbInf.odbcVer,copyDb->dbInf.odbcVer); + wxStrcpy(dbInf.drvMgrOdbcVer,copyDb->dbInf.drvMgrOdbcVer); + wxStrcpy(dbInf.driverVer,copyDb->dbInf.driverVer); + dbInf.apiConfLvl = copyDb->dbInf.apiConfLvl; + dbInf.cliConfLvl = copyDb->dbInf.cliConfLvl; + dbInf.sqlConfLvl = copyDb->dbInf.sqlConfLvl; + wxStrcpy(dbInf.outerJoins,copyDb->dbInf.outerJoins); + wxStrcpy(dbInf.procedureSupport,copyDb->dbInf.procedureSupport); + wxStrcpy(dbInf.accessibleTables,copyDb->dbInf.accessibleTables); + dbInf.cursorCommitBehavior = copyDb->dbInf.cursorCommitBehavior; + dbInf.cursorRollbackBehavior = copyDb->dbInf.cursorRollbackBehavior; + dbInf.supportNotNullClause = copyDb->dbInf.supportNotNullClause; + wxStrcpy(dbInf.supportIEF,copyDb->dbInf.supportIEF); + dbInf.txnIsolation = copyDb->dbInf.txnIsolation; + dbInf.txnIsolationOptions = copyDb->dbInf.txnIsolationOptions; + dbInf.fetchDirections = copyDb->dbInf.fetchDirections; + dbInf.lockTypes = copyDb->dbInf.lockTypes; + dbInf.posOperations = copyDb->dbInf.posOperations; + dbInf.posStmts = copyDb->dbInf.posStmts; + dbInf.scrollConcurrency = copyDb->dbInf.scrollConcurrency; + dbInf.scrollOptions = copyDb->dbInf.scrollOptions; + dbInf.staticSensitivity = copyDb->dbInf.staticSensitivity; + dbInf.txnCapable = copyDb->dbInf.txnCapable; + dbInf.loginTimeout = copyDb->dbInf.loginTimeout; + + // VARCHAR = Variable length character string + typeInfVarchar.FsqlType = copyDb->typeInfVarchar.FsqlType; + typeInfVarchar.TypeName = copyDb->typeInfVarchar.TypeName; + typeInfVarchar.Precision = copyDb->typeInfVarchar.Precision; + typeInfVarchar.CaseSensitive = copyDb->typeInfVarchar.CaseSensitive; + typeInfVarchar.MaximumScale = copyDb->typeInfVarchar.MaximumScale; + + // Float + typeInfFloat.FsqlType = copyDb->typeInfFloat.FsqlType; + typeInfFloat.TypeName = copyDb->typeInfFloat.TypeName; + typeInfFloat.Precision = copyDb->typeInfFloat.Precision; + typeInfFloat.CaseSensitive = copyDb->typeInfFloat.CaseSensitive; + typeInfFloat.MaximumScale = copyDb->typeInfFloat.MaximumScale; + + // Integer + typeInfInteger.FsqlType = copyDb->typeInfInteger.FsqlType; + typeInfInteger.TypeName = copyDb->typeInfInteger.TypeName; + typeInfInteger.Precision = copyDb->typeInfInteger.Precision; + typeInfInteger.CaseSensitive = copyDb->typeInfInteger.CaseSensitive; + typeInfInteger.MaximumScale = copyDb->typeInfInteger.MaximumScale; + + // Date/Time + typeInfDate.FsqlType = copyDb->typeInfDate.FsqlType; + typeInfDate.TypeName = copyDb->typeInfDate.TypeName; + typeInfDate.Precision = copyDb->typeInfDate.Precision; + typeInfDate.CaseSensitive = copyDb->typeInfDate.CaseSensitive; + typeInfDate.MaximumScale = copyDb->typeInfDate.MaximumScale; + + // Blob + typeInfBlob.FsqlType = copyDb->typeInfBlob.FsqlType; + typeInfBlob.TypeName = copyDb->typeInfBlob.TypeName; + typeInfBlob.Precision = copyDb->typeInfBlob.Precision; + typeInfBlob.CaseSensitive = copyDb->typeInfBlob.CaseSensitive; + typeInfBlob.MaximumScale = copyDb->typeInfBlob.MaximumScale; + +#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. + if (SQLGetInfo(hdbc, SQL_DBMS_NAME, (UCHAR*) dbInf.dbmsName, 40, &cb) != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc)); + SQLSetConnectOption(hdbc, SQL_AUTOCOMMIT, SQL_AUTOCOMMIT_OFF); SQLSetConnectOption(hdbc, SQL_OPT_TRACE, SQL_OPT_TRACE_OFF); +// SQLSetConnectOption(hdbc, SQL_TXN_ISOLATION, SQL_TXN_READ_COMMITTED); // No dirty reads + + // By default, MS Sql Server closes cursors on commit and rollback. The following + // call to SQLSetConnectOption() is needed to force SQL Server to preserve cursors + // after a transaction. This is a driver specific option and is not part of the + // ODBC standard. Note: this behavior is specific to the ODBC interface to SQL Server. + // The database settings don't have any effect one way or the other. + if (Dbms() == dbmsMS_SQL_SERVER) + { + const long SQL_PRESERVE_CURSORS = 1204L; + const long SQL_PC_ON = 1L; + SQLSetConnectOption(hdbc, SQL_PRESERVE_CURSORS, SQL_PC_ON); + } // Display the connection options to verify them #ifdef DBDEBUG_CONSOLE long l; - cout << "****** CONNECTION OPTIONS ******" << endl; + cout << wxT("****** CONNECTION OPTIONS ******") << endl; if (SQLGetConnectOption(hdbc, SQL_AUTOCOMMIT, &l) != SQL_SUCCESS) return(DispAllErrors(henv, hdbc)); - cout << "AUTOCOMMIT: " << (l == SQL_AUTOCOMMIT_OFF ? "OFF" : "ON") << endl; + cout << wxT("AUTOCOMMIT: ") << (l == SQL_AUTOCOMMIT_OFF ? "OFF" : "ON") << endl; if (SQLGetConnectOption(hdbc, SQL_ODBC_CURSORS, &l) != SQL_SUCCESS) return(DispAllErrors(henv, hdbc)); - cout << "ODBC CURSORS: "; + cout << wxT("ODBC CURSORS: "); switch(l) { case(SQL_CUR_USE_IF_NEEDED): - cout << "SQL_CUR_USE_IF_NEEDED"; + cout << wxT("SQL_CUR_USE_IF_NEEDED"); break; case(SQL_CUR_USE_ODBC): - cout << "SQL_CUR_USE_ODBC"; + cout << wxT("SQL_CUR_USE_ODBC"); break; case(SQL_CUR_USE_DRIVER): - cout << "SQL_CUR_USE_DRIVER"; + cout << wxT("SQL_CUR_USE_DRIVER"); break; } cout << endl; if (SQLGetConnectOption(hdbc, SQL_OPT_TRACE, &l) != SQL_SUCCESS) return(DispAllErrors(henv, hdbc)); - cout << "TRACING: " << (l == SQL_OPT_TRACE_OFF ? "OFF" : "ON") << endl; + cout << wxT("TRACING: ") << (l == SQL_OPT_TRACE_OFF ? wxT("OFF") : wxT("ON")) << endl; cout << endl; #endif @@ -543,7 +1016,11 @@ bool wxDb::getDbInfo(void) return(DispAllErrors(henv, hdbc)); if (SQLGetInfo(hdbc, SQL_ODBC_SAG_CLI_CONFORMANCE, (UCHAR*) &dbInf.cliConfLvl, sizeof(dbInf.cliConfLvl), &cb) != SQL_SUCCESS) - return(DispAllErrors(henv, hdbc)); +// return(DispAllErrors(henv, hdbc)); + { + // Not all drivers support this call - Nick Gorham(unixODBC) + dbInf.cliConfLvl = 0; + } if (SQLGetInfo(hdbc, SQL_ODBC_SQL_CONFORMANCE, (UCHAR*) &dbInf.sqlConfLvl, sizeof(dbInf.sqlConfLvl), &cb) != SQL_SUCCESS) return(DispAllErrors(henv, hdbc)); @@ -554,6 +1031,9 @@ bool wxDb::getDbInfo(void) if (SQLGetInfo(hdbc, SQL_PROCEDURES, (UCHAR*) dbInf.procedureSupport, 2, &cb) != SQL_SUCCESS) return(DispAllErrors(henv, hdbc)); + if (SQLGetInfo(hdbc, SQL_ACCESSIBLE_TABLES, (UCHAR*) dbInf.accessibleTables, 2, &cb) != SQL_SUCCESS) + return(DispAllErrors(henv, hdbc)); + if (SQLGetInfo(hdbc, SQL_CURSOR_COMMIT_BEHAVIOR, (UCHAR*) &dbInf.cursorCommitBehavior, sizeof(dbInf.cursorCommitBehavior), &cb) != SQL_SUCCESS) return(DispAllErrors(henv, hdbc)); @@ -600,194 +1080,194 @@ bool wxDb::getDbInfo(void) return(DispAllErrors(henv, hdbc)); #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; @@ -811,43 +1291,55 @@ bool wxDb::getDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo) */ RETCODE retcode; 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) - { + { #ifdef DBDEBUG_CONSOLE - if (retcode == SQL_NO_DATA_FOUND) - cout << "SQL_NO_DATA_FOUND fetching inf. about data type." << endl; + if (retcode == SQL_NO_DATA_FOUND) + cout << wxT("SQL_NO_DATA_FOUND fetching inf. about data type.") << endl; #endif - DispAllErrors(henv, hdbc, hstmt); - SQLFreeStmt(hstmt, SQL_CLOSE); - return(FALSE); - } + DispAllErrors(henv, hdbc, hstmt); + SQLFreeStmt(hstmt, SQL_CLOSE); + return(FALSE); + } + + wxChar typeName[DB_TYPE_NAME_LEN+1]; // Obtain columns from the record - if (SQLGetData(hstmt, 1, SQL_C_CHAR, (UCHAR*) structSQLTypeInfo.TypeName, DB_TYPE_NAME_LEN, &cbRet) != SQL_SUCCESS) + if (SQLGetData(hstmt, 1, SQL_C_CHAR, (UCHAR*) typeName, DB_TYPE_NAME_LEN, &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 (!wxStrcmp(structSQLTypeInfo.TypeName, "middleint")) wxStrcpy(structSQLTypeInfo.TypeName, "mediumint"); - if (!wxStrcmp(structSQLTypeInfo.TypeName, "middleint unsigned")) wxStrcpy(structSQLTypeInfo.TypeName, "mediumint unsigned"); - if (!wxStrcmp(structSQLTypeInfo.TypeName, "integer")) wxStrcpy(structSQLTypeInfo.TypeName, "int"); - if (!wxStrcmp(structSQLTypeInfo.TypeName, "integer unsigned")) wxStrcpy(structSQLTypeInfo.TypeName, "int unsigned"); - if (!wxStrcmp(structSQLTypeInfo.TypeName, "middleint")) wxStrcpy(structSQLTypeInfo.TypeName, "mediumint"); - if (!wxStrcmp(structSQLTypeInfo.TypeName, "varchar")) wxStrcpy(structSQLTypeInfo.TypeName, "char"); - } - - // BJO 20000427 : OpenLink driver - if (!wxStrncmp(dbInf.driverName, "oplodbc", 7) || - !wxStrncmp(dbInf.driverName, "OLOD", 4)) - if (!wxStrcmp(structSQLTypeInfo.TypeName, "double precision")) wxStrcpy(structSQLTypeInfo.TypeName, "real"); + { + 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) @@ -899,7 +1391,7 @@ 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; @@ -911,8 +1403,8 @@ void wxDb::Close(void) tiu = (wxTablesInUse *)pNode->Data(); 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); + s.Printf(wxT("(%-20s) tableID:[%6lu] pDb:[%p]"), tiu->tableName,tiu->tableID,tiu->pDb); + s2.Printf(wxT("Orphaned found using pDb:[%p]"),this); wxLogDebug (s.c_str(),s2.c_str()); } pNode = pNode->Next(); @@ -922,7 +1414,10 @@ void wxDb::Close(void) // 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() @@ -958,30 +1453,43 @@ bool wxDb::RollbackTrans(void) /********** 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.c_str(), sqlState); + 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.c_str() << endl; - cout << "Press any key to continue..." << endl; + cout << wxT("Press any key to continue...") << endl; getchar(); #endif #ifdef __WXDEBUG__ - wxLogDebug(odbcErrMsg.c_str(),wxT("ODBC 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() @@ -1000,11 +1508,10 @@ bool wxDb::GetNextError(HENV aHenv, HDBC aHdbc, HSTMT aHstmt) /********** 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.c_str(), sqlState); + odbcErrMsg.Printf(wxT("SQL State = %s\nNative Error Code = %li\nError Message = %s\n"), sqlState, nativeError, errorMsg); + logError(odbcErrMsg, sqlState); if (silent) return; @@ -1012,7 +1519,7 @@ void wxDb::DispNextError(void) #ifdef DBDEBUG_CONSOLE // When run in console mode, use standard out to display errors. cout << odbcErrMsg.c_str() << endl; - cout << "Press any key to continue..." << endl; + cout << wxT("Press any key to continue...") << endl; getchar(); #endif @@ -1020,14 +1527,13 @@ void wxDb::DispNextError(void) wxLogDebug(odbcErrMsg,wxT("ODBC DEBUG MESSAGE")); #endif // __WXDEBUG__ - } // wxDb::DispNextError() /********** wxDb::logError() **********/ -void wxDb::logError(const char *errMsg, const char *SQLState) +void wxDb::logError(const wxString &errMsg, const wxString &SQLState) { - assert(errMsg && wxStrlen(errMsg)); + wxASSERT(errMsg.Length()); static int pLast = -1; int dbStatus; @@ -1042,7 +1548,7 @@ void wxDb::logError(const char *errMsg, const char *SQLState) wxStrcpy(errorList[pLast], errMsg); - if (SQLState && wxStrlen(SQLState)) + if (SQLState.Length()) if ((dbStatus = TranslateSqlState(SQLState)) != DB_ERR_FUNCTION_SEQUENCE_ERROR) DB_STATUS = dbStatus; @@ -1053,7 +1559,7 @@ void wxDb::logError(const char *errMsg, const char *SQLState) /**********wxDb::TranslateSqlState() **********/ -int wxDb::TranslateSqlState(const wxChar *SQLState) +int wxDb::TranslateSqlState(const wxString &SQLState) { if (!wxStrcmp(SQLState, wxT("01000"))) return(DB_ERR_GENERAL_WARNING); @@ -1241,63 +1747,62 @@ int wxDb::TranslateSqlState(const wxChar *SQLState) /********** wxDb::Grant() **********/ -bool wxDb::Grant(int privileges, const char *tableName, const char *userList) +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 += wxT(" ON "); sqlStmt += tableName; - sqlStmt += " TO "; + sqlStmt += wxT(" TO "); sqlStmt += userList; #ifdef DBDEBUG_CONSOLE cout << endl << sqlStmt.c_str() << endl; #endif - WriteSqlLog(sqlStmt.c_str()); + WriteSqlLog(sqlStmt); - return(ExecSql(sqlStmt.c_str())); + return(ExecSql(sqlStmt)); } // wxDb::Grant() /********** wxDb::CreateView() **********/ -bool wxDb::CreateView(const char *viewName, const char *colList, const char *pSqlStmt, bool attemptDrop) +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 @@ -1305,32 +1810,32 @@ bool wxDb::CreateView(const char *viewName, const char *colList, const char *pSq 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.c_str()); + WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE cout << sqlStmt.c_str() << endl; #endif - return(ExecSql(sqlStmt.c_str())); + return(ExecSql(sqlStmt)); } // wxDb::CreateView() /********** wxDb::DropView() **********/ -bool wxDb::DropView(const char *viewName) +bool wxDb::DropView(const wxString &viewName) { /* * NOTE: This function returns TRUE if the View does not exist, but @@ -1338,12 +1843,11 @@ bool wxDb::DropView(const char *viewName) * 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.c_str()); + WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE cout << endl << sqlStmt.c_str() << endl; @@ -1367,7 +1871,7 @@ bool wxDb::DropView(const char *viewName) } // Commit the transaction - if (! CommitTrans()) + if (!CommitTrans()) return(FALSE); return TRUE; @@ -1376,11 +1880,18 @@ bool wxDb::DropView(const char *viewName) /********** wxDb::ExecSql() **********/ -bool wxDb::ExecSql(const char *pSqlStmt) +bool wxDb::ExecSql(const wxString &pSqlStmt) { + RETCODE retcode; + SQLFreeStmt(hstmt, SQL_CLOSE); - if (SQLExecDirect(hstmt, (UCHAR FAR *) pSqlStmt, SQL_NTS) == SQL_SUCCESS) + + retcode = SQLExecDirect(hstmt, (UCHAR 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); @@ -1407,8 +1918,8 @@ bool wxDb::GetNext(void) /********** wxDb::GetData() **********/ bool wxDb::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FAR *cbReturned) { - assert(pData); - assert(cbReturned); + wxASSERT(pData); + wxASSERT(cbReturned); if (SQLGetData(hstmt, colNo, cType, pData, maxLen, cbReturned) == SQL_SUCCESS) return(TRUE); @@ -1422,38 +1933,38 @@ bool wxDb::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FA /********** wxDb::GetKeyFields() **********/ -int wxDb::GetKeyFields(char *tableName, wxDbColInf* colInf, int noCols) +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 */ + wxChar szPkTable[DB_MAX_TABLE_NAME_LEN+1]; /* Primary key table name */ + wxChar 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 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 */ + (UCHAR FAR *) tableName.c_str(), SQL_NTS); /* Table name */ /*---------------------------------------------------------------------*/ /* Fetch and display the result set. This will be a list of the */ @@ -1470,26 +1981,26 @@ int wxDb::GetKeyFields(char *tableName, wxDbColInf* colInf, int noCols) for (i=0;iuid' +// 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; - wxDbColInf *colInf; -} _TableColumns; + UWORD noCols = 0; + UWORD colNo = 0; + wxDbColInf *colInf = 0; -wxDbColInf *wxDb::GetColumns(char *tableName[], const char* 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. - - int 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, wxT("")); - wxStrcpy(colInf[noCols].colName, wxT("")); - 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; -} + RETCODE retcode; + SDWORD cb; + + wxString TableName; + wxString UserID; + convertUserID(userID,UserID); -wxDbColInf *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 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. - -{ - SWORD noCols = 0; - int 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(); - - // 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) + // 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, wxT("")); - wxStrcpy(colInf[noCols].colName, wxT("")); - colInf[noCols].sqlDataType = 0; + 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 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.c_str(),wxT("")) && - Dbms() != dbmsMY_SQL && - Dbms() != dbmsACCESS) + + 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() == 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.IsEmpty() && + 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 + 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 + else { - retcode = SQLColumns(hstmt, - NULL, 0, // All qualifiers - NULL, 0, // Owner - (UCHAR *) TableName.c_str(), SQL_NTS, - NULL, 0); // All columns + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + NULL, 0, // Owner + (UCHAR *) TableName.c_str(), SQL_NTS, + NULL, 0); // All columns } - if (retcode != SQL_SUCCESS) + 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); + DispAllErrors(henv, hdbc, hstmt); + if (colInf) + delete [] colInf; + SQLFreeStmt(hstmt, SQL_CLOSE); + if (numCols) + *numCols = 0; + return(0); } while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) @@ -2118,7 +2602,7 @@ wxDbColInf *wxDb::GetColumns(char *tableName, int *numCols, const char *userID) 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( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb); 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); @@ -2129,155 +2613,153 @@ wxDbColInf *wxDb::GetColumns(char *tableName, int *numCols, const char *userID) 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 returns the columnSize in bufferLength.. (bug) - colInf[colNo].columnSize = colInf[colNo].bufferLength; + +#ifdef _IODBC_ + // IODBC does not return a correct columnSize, so we set + // columnSize = bufferLength if no column size was returned + // IODBC returns the columnSize in bufferLength.. (bug) + if (colInf[colNo].columnSize < 1) + { + colInf[colNo].columnSize = colInf[colNo].bufferLength; + } #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) - { - case SQL_VARCHAR: - case SQL_CHAR: - colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR; - break; - - case SQL_TINYINT: - case SQL_SMALLINT: - case SQL_INTEGER: - 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: - colInf[colNo].dbDataType = DB_DATA_TYPE_DATE; - break; - - + + // 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) + { + case SQL_VARCHAR: + case SQL_CHAR: + colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR; + break; + + case SQL_TINYINT: + case SQL_SMALLINT: + case SQL_INTEGER: + 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: + 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.sprintf("SQL Data type %d currently not supported by wxWindows", colInf[colNo].sqlDataType); - wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE")); -#endif - } - - - + default: + wxString errMsg; + errMsg.Printf(wxT("SQL Data type %d currently not supported by wxWindows"), colInf[colNo].sqlDataType); + wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE")); +#endif + } colNo++; } } } if (retcode != SQL_NO_DATA_FOUND) - { // Error occured, abort + { // Error occured, abort DispAllErrors(henv, hdbc, hstmt); if (colInf) - delete [] colInf; + delete [] colInf; SQLFreeStmt(hstmt, SQL_CLOSE); if (numCols) - *numCols = 0; + *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.sprintf("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; - + } + } + + 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 +#endif // #else OLD_GETCOLUMNS /********** wxDb::GetColumnCount() **********/ -int wxDb::GetColumnCount(char *tableName, const char *userID) +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 @@ -2293,81 +2775,61 @@ int wxDb::GetColumnCount(char *tableName, const char *userID) * 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 = wxT(""); + 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 = wxT(""); + 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() == 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.IsEmpty() && + 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.c_str(),wxT("")) && - Dbms() != dbmsMY_SQL && - Dbms() != dbmsACCESS) - { - 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); - SQLFreeStmt(hstmt, SQL_CLOSE); - return(-1); - } + 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); + 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); @@ -2377,10 +2839,10 @@ int wxDb::GetColumnCount(char *tableName, const char *userID) /********** wxDb::GetCatalog() *******/ -wxDbInf *wxDb::GetCatalog(char *userID) +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; ------ @@ -2405,36 +2867,13 @@ wxDbInf *wxDb::GetCatalog(char *userID) int pass; RETCODE retcode; SDWORD cb; -// char tblNameSave[DB_MAX_TABLE_NAME_LEN+1]; wxString tblNameSave; wxString UserID; - - if (userID) - { - if (!wxStrlen(userID)) - UserID = uid; - else - UserID = userID; - } - else - UserID = wxT(""); - - // dBase does not use user names, and some drivers fail if you try to pass one - if (Dbms() == dbmsDBASE) - UserID = wxT(""); - - // Oracle user names may only be in uppercase, so force - // the name to uppercase - if (Dbms() == dbmsORACLE) - UserID = UserID.Upper(); + convertUserID(userID,UserID); //------------------------------------------------------------- - 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 + pDbInf = new wxDbInf; // Create the Database Array //------------------------------------------------------------- // Table Information // Pass 1 - Determine how many Tables there are. @@ -2442,26 +2881,24 @@ wxDbInf *wxDb::GetCatalog(char *userID) // - Create the Cols array = NULL //------------------------------------------------------------- - for (pass = 1; pass <= 2; pass++) { SQLFreeStmt(hstmt, SQL_CLOSE); // Close if Open - tblNameSave = wxT(""); + tblNameSave.Empty(); - if (wxStrcmp(UserID.c_str(),wxT("")) && - Dbms() != dbmsMY_SQL && - Dbms() != dbmsACCESS) + if (!UserID.IsEmpty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsMS_SQL_SERVER) { - retcode = SQLTables(hstmt, NULL, 0, // All qualifiers - (UCHAR *) UserID.c_str(), SQL_NTS, // User specified + (UCHAR *) UserID.c_str(), SQL_NTS, // User specified NULL, 0, // All tables NULL, 0); // All columns } else { - retcode = SQLTables(hstmt, NULL, 0, // All qualifiers NULL, 0, // User specified @@ -2471,16 +2908,14 @@ wxDbInf *wxDb::GetCatalog(char *userID) if (retcode != SQL_SUCCESS) { - DispAllErrors(henv, hdbc, hstmt); pDbInf = NULL; SQLFreeStmt(hstmt, SQL_CLOSE); return pDbInf; } - + while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) // Table Information { - if (pass == 1) // First pass, just count the Tables { if (pDbInf->numTables == 0) @@ -2495,25 +2930,17 @@ wxDbInf *wxDb::GetCatalog(char *userID) if (pDbInf->pTableInf == NULL) // Has the Table Array been created { // no, then create the Array pDbInf->pTableInf = new wxDbTableInf[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; - } noTab = 0; - } // if (pDbInf->pTableInf == NULL) // Has the Table Array been created + } // 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); - + 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 @@ -2521,12 +2948,14 @@ wxDbInf *wxDb::GetCatalog(char *userID) { (pDbInf->pTableInf+noTab)->numCols = GetColumnCount((pDbInf->pTableInf+noTab)->tableName,UserID); } + return pDbInf; + } // wxDb::GetCatalog() /********** wxDb::Catalog() **********/ -bool wxDb::Catalog(const char *userID, const char *fileName) +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 @@ -2542,51 +2971,35 @@ bool wxDb::Catalog(const char *userID, const char *fileName) * 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]; + wxChar typeName[30+1]; SWORD precision, length; - wxString UserID; - - FILE *fp = fopen(fileName,"wt"); + FILE *fp = fopen(fileName.c_str(),wxT("wt")); if (fp == NULL) return(FALSE); SQLFreeStmt(hstmt, SQL_CLOSE); - if (userID) - { - if (!wxStrlen(userID)) - UserID = uid; - else - UserID = userID; - } - else - UserID = wxT(""); - - // dBase does not use user names, and some drivers fail if you try to pass one - if (Dbms() == dbmsDBASE) - UserID = wxT(""); - - // 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); - if (wxStrcmp(UserID.c_str(),wxT("")) && - Dbms() != dbmsMY_SQL && - Dbms() != dbmsACCESS) + if (!UserID.IsEmpty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsINTERBASE && + Dbms() != dbmsMS_SQL_SERVER) { retcode = SQLColumns(hstmt, NULL, 0, // All qualifiers - (UCHAR *) UserID.c_str(), SQL_NTS, // User specified + (UCHAR *) UserID.c_str(), SQL_NTS, // User specified NULL, 0, // All tables NULL, 0); // All columns } @@ -2606,28 +3019,28 @@ bool wxDb::Catalog(const char *userID, const char *fileName) } wxString outStr; - tblNameSave = wxT(""); + tblNameSave.Empty(); int cnt = 0; while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) { - if (wxStrcmp(tblName,tblNameSave.c_str())) + if (wxStrcmp(tblName, tblNameSave.c_str())) { if (cnt) - fputs("\n", fp); - fputs("================================ ", fp); - fputs("================================ ", fp); - fputs("===================== ", fp); - fputs("========= ", fp); - fputs("=========\n", fp); - outStr.sprintf(wxT("%-32s %-32s %-21s %9s %9s\n"), + fputs(wxT("\n"), fp); + fputs(wxT("================================ "), fp); + fputs(wxT("================================ "), fp); + fputs(wxT("===================== "), fp); + fputs(wxT("========= "), fp); + fputs(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")); fputs(outStr.c_str(), fp); - fputs("================================ ", fp); - fputs("================================ ", fp); - fputs("===================== ", fp); - fputs("========= ", fp); - fputs("=========\n", fp); + fputs(wxT("================================ "), fp); + fputs(wxT("================================ "), fp); + fputs(wxT("===================== "), fp); + fputs(wxT("========= "), fp); + fputs(wxT("=========\n"), fp); tblNameSave = tblName; } @@ -2638,7 +3051,7 @@ bool wxDb::Catalog(const char *userID, const char *fileName) 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 %9d %9d\n"), tblName, colName, sqlDataType, typeName, precision, length); if (fputs(outStr.c_str(), fp) == EOF) { @@ -2660,9 +3073,9 @@ bool wxDb::Catalog(const char *userID, const char *fileName) } // 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 + * Table name can refer to a table, view, alias or synonym. Returns TRUE * if the object exists in the database. This function does not indicate * whether or not the user has privleges to query or perform other functions * on the table. @@ -2673,96 +3086,208 @@ 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)); - - if (Dbms() == dbmsDBASE) - { - - wxString dbName; - if (tablePath && wxStrlen(tablePath)) - dbName.sprintf("%s\\%s.dbf",tablePath,tableName); - else - dbName.sprintf("%s.dbf",tableName); - - bool exists; - exists = wxFileExists(dbName.c_str()); - return exists; - } + wxString TableName; - if (userID) + if (Dbms() == dbmsDBASE) { - if (!wxStrlen(userID)) - UserID = uid; + wxString dbName; + if (tablePath.Length()) + dbName.Printf(wxT("%s/%s.dbf"), tablePath.c_str(), tableName.c_str()); else - UserID = userID; + dbName.Printf(wxT("%s.dbf"), tableName.c_str()); + + bool exists; + exists = wxFileExists(dbName); + return exists; } - 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() == 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.IsEmpty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsMS_SQL_SERVER && + Dbms() != dbmsDB2 && + Dbms() != dbmsINTERBASE && + Dbms() != dbmsPERVASIVE_SQL) { retcode = SQLTables(hstmt, - NULL, 0, // All qualifiers - (UCHAR *) UserID.c_str(), SQL_NTS, // All owners + NULL, 0, // All qualifiers + (UCHAR *) UserID.c_str(), SQL_NTS, // Only tables owned by this user (UCHAR FAR *)TableName.c_str(), SQL_NTS, - NULL, 0); // All table types + NULL, 0); // All table types } else { retcode = SQLTables(hstmt, - NULL, 0, // All qualifiers - NULL, 0, // All owners + NULL, 0, // All qualifiers + NULL, 0, // All owners (UCHAR FAR *)TableName.c_str(), SQL_NTS, - NULL, 0); // All table types + 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() +/********** wxDb::TablePrivileges() **********/ +bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, const wxChar *userID, + const wxChar *schema, const wxString &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() == 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.IsEmpty() && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS && + Dbms() != dbmsMS_SQL_SERVER) + { + retcode = SQLTablePrivileges(hstmt, + NULL, 0, // Catalog + (UCHAR FAR *)Schema.c_str(), SQL_NTS, // Schema + (UCHAR FAR *)TableName.c_str(), SQL_NTS); + } + else + { + retcode = SQLTablePrivileges(hstmt, + NULL, 0, // Catalog + NULL, 0, // Schema + (UCHAR FAR *)TableName.c_str(), SQL_NTS); + } + +#ifdef DBDEBUG_CONSOLE + fprintf(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_CHAR, (UCHAR*) result.tableQual, sizeof(result.tableQual), &cbRetVal) != SQL_SUCCESS) + failed = TRUE; + + if (!failed && SQLGetData(hstmt, 2, SQL_C_CHAR, (UCHAR*) result.tableOwner, sizeof(result.tableOwner), &cbRetVal) != SQL_SUCCESS) + failed = TRUE; + + if (!failed && SQLGetData(hstmt, 3, SQL_C_CHAR, (UCHAR*) result.tableName, sizeof(result.tableName), &cbRetVal) != SQL_SUCCESS) + failed = TRUE; + + if (!failed && SQLGetData(hstmt, 4, SQL_C_CHAR, (UCHAR*) result.grantor, sizeof(result.grantor), &cbRetVal) != SQL_SUCCESS) + failed = TRUE; + + if (!failed && SQLGetData(hstmt, 5, SQL_C_CHAR, (UCHAR*) result.grantee, sizeof(result.grantee), &cbRetVal) != SQL_SUCCESS) + failed = TRUE; + + if (!failed && SQLGetData(hstmt, 6, SQL_C_CHAR, (UCHAR*) result.privilege, sizeof(result.privilege), &cbRetVal) != SQL_SUCCESS) + failed = TRUE; + + if (!failed && SQLGetData(hstmt, 7, SQL_C_CHAR, (UCHAR*) result.grantable, sizeof(result.grantable), &cbRetVal) != SQL_SUCCESS) + failed = TRUE; + + if (failed) + { + return(DispAllErrors(henv, hdbc, hstmt)); + } +#ifdef DBDEBUG_CONSOLE + fprintf(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::SetSqlLogging() **********/ -bool wxDb::SetSqlLogging(wxDbSqlLogState state, const char *filename, bool append) +bool wxDb::SetSqlLogging(wxDbSqlLogState state, const wxString &filename, bool append) { - assert(state == sqlLogON || state == sqlLogOFF); - assert(state == sqlLogOFF || filename); + wxASSERT(state == sqlLogON || state == sqlLogOFF); + wxASSERT(state == sqlLogOFF || filename.Length()); if (state == sqlLogON) { if (fpSqlLog == 0) { - fpSqlLog = fopen(filename, (append ? "at" : "wt")); + fpSqlLog = fopen(filename, (append ? wxT("at") : wxT("wt"))); if (fpSqlLog == NULL) return(FALSE); } @@ -2784,16 +3309,19 @@ bool wxDb::SetSqlLogging(wxDbSqlLogState state, const char *filename, bool appen /********** wxDb::WriteSqlLog() **********/ -bool wxDb::WriteSqlLog(const wxChar *logMsg) +bool wxDb::WriteSqlLog(const wxString &logMsg) { - assert(logMsg); + wxASSERT(logMsg.Length()); if (fpSqlLog == 0 || sqlLogState == sqlLogOFF) return(FALSE); - if (fputs("\n", fpSqlLog) == EOF) return(FALSE); - if (fputs(logMsg, fpSqlLog) == EOF) return(FALSE); - if (fputs("\n", fpSqlLog) == EOF) return(FALSE); + if (fputs(wxT("\n"), fpSqlLog) == EOF) + return(FALSE); + if (fputs(logMsg, fpSqlLog) == EOF) + return(FALSE); + if (fputs(wxT("\n"), fpSqlLog) == EOF) + return(FALSE); return(TRUE); @@ -2835,84 +3363,221 @@ 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); + 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,"OpenLink Virtuoso VDBMS")) - return(dbmsVIRTUOSO); - + 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)); - if (!wxStricmp(dbInf.dbmsName,"Adaptive Server Anywhere")) - return(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,"SQL Server")) - if (!wxStrncmp(dbInf.driverName, "oplodbc", 7) || - !wxStrncmp(dbInf.driverName, "OLOD", 4)) - return dbmsMS_SQL_SERVER; else return dbmsSYBASE_ASE; - + // Is it also returned by Sybase Adapatitve server? + // OpenLink driver name is OLOD3032.DLL for msw and oplodbc.so for unix + if (!wxStricmp(dbInf.dbmsName,wxT("SQL Server"))) + { + if (!wxStrncmp(dbInf.driverName, wxT("oplodbc"), 7) || + !wxStrncmp(dbInf.driverName, wxT("OLOD"), 4)) + return ((wxDBMS)(dbmsMS_SQL_SERVER)); + else + return ((wxDBMS)(dbmsType = dbmsSYBASE_ASE)); + } - if (!wxStricmp(dbInf.dbmsName,"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)); + if (!wxStricmp(dbInf.dbmsName,wxT("MySQL"))) + return((wxDBMS)(dbmsType = dbmsMY_SQL)); + if (!wxStricmp(dbInf.dbmsName,wxT("PostgreSQL"))) // v6.5.0 + return((wxDBMS)(dbmsType = dbmsPOSTGRES)); - baseName[8] = 0; - if (!wxStricmp(baseName,"Informix")) - return(dbmsINFORMIX); + baseName[9] = 0; + if (!wxStricmp(dbInf.dbmsName,wxT("Pervasive"))) + return((wxDBMS)(dbmsType = dbmsPERVASIVE_SQL)); + baseName[8] = 0; + if (!wxStricmp(baseName,wxT("Informix"))) + return((wxDBMS)(dbmsType = dbmsINFORMIX)); 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,"Sybase")) - return(dbmsSYBASE_ASE); + if (!wxStricmp(baseName,wxT("Oracle"))) + return((wxDBMS)(dbmsType = dbmsORACLE)); + if (!wxStricmp(dbInf.dbmsName,wxT("ACCESS"))) + return((wxDBMS)(dbmsType = dbmsACCESS)); + if (!wxStricmp(dbInf.dbmsName,wxT("MySQL"))) + return((wxDBMS)(dbmsType = dbmsMY_SQL)); + 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)); + + baseName[3] = 0; + if (!wxStricmp(baseName,wxT("DB2"))) + return((wxDBMS)(dbmsType = dbmsDBASE)); + + return((wxDBMS)(dbmsType = dbmsUNIDENTIFIED)); - return(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 = "MODIFY"; + break; + case dbmsMS_SQL_SERVER : + alterSlashModify = "ALTER COLUMN"; + break; + case dbmsUNIDENTIFIED : + return FALSE; + case dbmsSYBASE_ASA : + case dbmsSYBASE_ASE : + case dbmsMY_SQL : + case dbmsPOSTGRES : + case dbmsACCESS : + case dbmsDBASE : + default : + alterSlashModify = "MODIFY"; + break; + } + + // create the SQL statement + 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) + { + wxString s; + s.Printf(wxT("(%d)"), columnLength); + sqlStmt += s; + } + + // 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) { 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) && + (!wxStrcmp(pDbConfig->GetDsn(), pList->Dsn))) // Found a free connection { 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; } // No available connections. A new connection must be made and @@ -2926,7 +3591,7 @@ 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; @@ -2934,14 +3599,25 @@ 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->PtrDb = new wxDb(pDbConfig->GetHenv(), FwdOnlyCursors); + + bool opened = FALSE; + + if (!matchingDbConnection) + 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->setCached(TRUE); // Prevent a user from deleting a cached connection pList->PtrDb->SetSqlLogging(SQLLOGstate,SQLLOGfn,TRUE); return(pList->PtrDb); } @@ -2969,8 +3645,8 @@ bool WXDLLEXPORT wxDbFreeConnection(wxDb *pDb) // 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 @@ -2990,6 +3666,7 @@ void WXDLLEXPORT wxDbCloseConnections(void) pNext = pList->PtrNext; // Save the pointer to next pList->PtrDb->CommitTrans(); // Commit any open transactions on wxDb object pList->PtrDb->Close(); // Close the wxDb object + pList->PtrDb->setCached(FALSE); // Allows deletion of the wxDb instance delete pList->PtrDb; // Deletes the wxDb object delete pList; // Deletes the linked list object } @@ -3000,7 +3677,7 @@ void WXDLLEXPORT wxDbCloseConnections(void) } // wxDbCloseConnections() -/********** wxDbNumberConnectionsInUse() **********/ +/********** wxDbConnectionsInUse() **********/ int WXDLLEXPORT wxDbConnectionsInUse(void) { wxDbList *pList; @@ -3018,6 +3695,52 @@ int WXDLLEXPORT wxDbConnectionsInUse(void) } // wxDbConnectionsInUse() + +/********** wxDbLogExtendedErrorMsg() **********/ +// DEBUG ONLY function +const wxChar WXDLLEXPORT *wxDbLogExtendedErrorMsg(const wxChar *userText, wxDb *pDb, + char *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],wxT("")) != 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],wxT("")); + } + } + msg += wxT("\n"); + + wxLogDebug(msg.c_str()); + + return msg.c_str(); +} // wxDbLogExtendedErrorMsg() + + /********** wxDbSqlLog() **********/ bool wxDbSqlLog(wxDbSqlLogState state, const wxChar *filename) { @@ -3032,7 +3755,7 @@ bool wxDbSqlLog(wxDbSqlLogState state, const wxChar *filename) } SQLLOGstate = state; - wxStrcpy(SQLLOGfn,filename); + SQLLOGfn = filename; return(TRUE); @@ -3041,16 +3764,19 @@ bool wxDbSqlLog(wxDbSqlLogState state, const wxChar *filename) #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; @@ -3060,9 +3786,9 @@ 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 @@ -3071,47 +3797,47 @@ int wxDbCreateDataSource(const char *driverName, const char *dsn, const char *de { 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.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) { - 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; + cout << wxT("Press any key to continue...") << endl; getchar(); #endif // DBDEBUG_CONSOLE #ifdef __WXDEBUG__ wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE")); #endif // __WXDEBUG__ - } } } else result = TRUE; - -#else // __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; @@ -3120,8 +3846,8 @@ 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 DsnMax, wxChar *DsDesc, + SWORD DsDescMax, UWORD direction) /* * Dsn and DsDesc will contain the data source name and data source * description upon return