X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/87cc34563c87a458ed747d5f3d32bf7ceff82d89..1be9536aaaa160cc4d8e8acfc26d5c39ca2f57be:/src/common/dbtable.cpp diff --git a/src/common/dbtable.cpp b/src/common/dbtable.cpp index a9cd88abb1..c25f9dc853 100644 --- a/src/common/dbtable.cpp +++ b/src/common/dbtable.cpp @@ -24,51 +24,36 @@ // SYNOPSIS START // SYNOPSIS STOP */ +#ifdef __GNUG__ + #pragma implementation "dbtable.h" +#endif -// Use this line for wxWindows v1.x -//#include "wx_ver.h" -// Use this line for wxWindows v2.x #include "wx/wxprec.h" -#include "wx/version.h" -#if wxMAJOR_VERSION == 2 - #ifdef __GNUG__ - #pragma implementation "dbtable.h" - #endif +#ifdef __BORLANDC__ + #pragma hdrstop #endif #ifdef DBDEBUG_CONSOLE +#if wxUSE_IOSTREAMH + #include +#else + #include +#endif #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/log.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 -#endif - +#include "wx/filefn.h" #if wxUSE_ODBC @@ -77,11 +62,7 @@ #include //#include -#if wxMAJOR_VERSION == 1 - #include "table.h" -#elif wxMAJOR_VERSION == 2 - #include "wx/dbtable.h" -#endif +#include "wx/dbtable.h" #ifdef __UNIX__ // The HPUX preprocessor lines below were commented out on 8/20/97 @@ -162,6 +143,7 @@ bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD num henv = 0; hdbc = 0; hstmt = 0; + m_hstmtGridQuery = 0; hstmtDefault = 0; // Initialized below hstmtCount = 0; // Initialized first time it is needed hstmtInsert = 0; @@ -192,18 +174,18 @@ bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD num tablePath = tblPath; // Table Path - used for dBase files else tablePath.Empty(); - + if (qryTblName.Length()) // Name of the table/view to query queryTableName = qryTblName; else queryTableName = tblName; - + pDb->incrementTableCount(); - + wxString s; tableID = ++lastTableID; s.Printf(wxT("wxDbTable constructor (%-20s) tableID:[%6lu] pDb:[%p]"), tblName.c_str(), tableID, pDb); - + #ifdef __WXDEBUG__ wxTablesInUse *tableInUse; tableInUse = new wxTablesInUse(); @@ -212,17 +194,17 @@ bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD num tableInUse->pDb = pDb; TablesInUse.Append(tableInUse); #endif - + pDb->WriteSqlLog(s); - + // Grab the HENV and HDBC from the wxDb object henv = pDb->GetHENV(); hdbc = pDb->GetHDBC(); - + // Allocate space for column definitions if (noCols) colDefs = new wxDbColDef[noCols]; // Points to the first column definition - + // Allocate statement handles for the table if (!queryOnly) { @@ -239,12 +221,12 @@ bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD num // Allocate a separate statement handle for internal use if (SQLAllocStmt(hdbc, &hstmtInternal) != SQL_SUCCESS) pDb->DispAllErrors(henv, hdbc); - + // Set the cursor type for the statement handles cursorType = SQL_CURSOR_STATIC; - + if (SQLSetStmtOption(hstmtInternal, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS) - { + { // Check to see if cursor type is supported pDb->GetNextError(henv, hdbc, hstmtInternal); if (! wxStrcmp(pDb->sqlState, wxT("01S02"))) // Option Value Changed @@ -296,7 +278,7 @@ bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD num else cout << wxT("Cursor Type set to STATIC") << endl << endl; #endif - + if (!queryOnly) { // Set the cursor type for the INSERT statement handle @@ -309,7 +291,7 @@ bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD num if (SQLSetStmtOption(hstmtUpdate, SQL_CURSOR_TYPE, SQL_CURSOR_FORWARD_ONLY) != SQL_SUCCESS) pDb->DispAllErrors(henv, hdbc, hstmtUpdate); } - + // Make the default cursor the active cursor hstmtDefault = GetNewCursor(FALSE,FALSE); wxASSERT(hstmtDefault); @@ -351,7 +333,7 @@ void wxDbTable::cleanup() if (!found) { wxString msg; - msg.Printf(wxT("Unable to find the tableID in the linked\nlist of tables in use.\n\n%s"),s); + msg.Printf(wxT("Unable to find the tableID in the linked\nlist of tables in use.\n\n%s"),s.c_str()); wxLogDebug (msg,wxT("NOTICE...")); } } @@ -411,37 +393,42 @@ ODBC 3.0 says to use this form if (hstmtCount) DeleteCursor(hstmtCount); + + if (m_hstmtGridQuery) + DeleteCursor(m_hstmtGridQuery); + } // wxDbTable::cleanup() /***************************** PRIVATE FUNCTIONS *****************************/ -/********** wxDbTable::bindUpdateParams() **********/ +/********** wxDbTable::bindParams() **********/ bool wxDbTable::bindParams(bool forUpdate) { wxASSERT(!queryOnly); if (queryOnly) return(FALSE); - + SWORD fSqlType = 0; - UDWORD precision = 0; + SDWORD precision = 0; SWORD scale = 0; - + // Bind each column of the table that should be bound // to a parameter marker int i; - UWORD colNo; - for (i = 0, colNo = 1; i < noCols; i++) + UWORD colNo; + + for (i=0, colNo=1; i < noCols; i++) { if (forUpdate) { - if (! colDefs[i].Updateable) + if (!colDefs[i].Updateable) continue; } else { - if (! colDefs[i].InsertAllowed) + if (!colDefs[i].InsertAllowed) continue; } @@ -468,7 +455,7 @@ bool wxDbTable::bindParams(bool forUpdate) case DB_DATA_TYPE_FLOAT: fSqlType = pDb->GetTypeInfFloat().FsqlType; precision = pDb->GetTypeInfFloat().Precision; - scale = pDb->GetTypeInfFloat().MaximumScale; + scale = pDb->GetTypeInfFloat().MaximumScale; // SQL Sybase Anywhere v5.5 returned a negative number for the // MaxScale. This caused ODBC to kick out an error on ibscale. // I check for this here and set the scale = precision. @@ -490,7 +477,7 @@ bool wxDbTable::bindParams(bool forUpdate) break; case DB_DATA_TYPE_BLOB: fSqlType = pDb->GetTypeInfBlob().FsqlType; - precision = 50000; + precision = -1; scale = 0; if (colDefs[i].Null) colDefs[i].CbValue = SQL_NULL_DATA; @@ -501,7 +488,7 @@ bool wxDbTable::bindParams(bool forUpdate) if (forUpdate) { if (SQLBindParameter(hstmtUpdate, colNo++, SQL_PARAM_INPUT, colDefs[i].SqlCtype, - fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, + fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, precision+1, &colDefs[i].CbValue) != SQL_SUCCESS) { return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate)); @@ -510,14 +497,14 @@ bool wxDbTable::bindParams(bool forUpdate) else { if (SQLBindParameter(hstmtInsert, colNo++, SQL_PARAM_INPUT, colDefs[i].SqlCtype, - fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, + fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, precision+1,&colDefs[i].CbValue) != SQL_SUCCESS) { return(pDb->DispAllErrors(henv, hdbc, hstmtInsert)); } } } - + // Completed successfully return(TRUE); @@ -541,17 +528,16 @@ bool wxDbTable::bindUpdateParams(void) /********** wxDbTable::bindCols() **********/ bool wxDbTable::bindCols(HSTMT cursor) { -//RG-NULL static SDWORD cb; - + static SDWORD cb; + // Bind each column of the table to a memory address for fetching data UWORD i; for (i = 0; i < noCols; i++) { + cb = colDefs[i].CbValue; if (SQLBindCol(cursor, (UWORD)(i+1), colDefs[i].SqlCtype, (UCHAR*) colDefs[i].PtrDataObj, - colDefs[i].SzDataObj, &colDefs[i].CbValue ) != SQL_SUCCESS) - { + colDefs[i].SzDataObj, &cb ) != SQL_SUCCESS) return (pDb->DispAllErrors(henv, hdbc, cursor)); - } } // Completed successfully @@ -572,7 +558,7 @@ bool wxDbTable::getRec(UWORD fetchType) UWORD rowStatus; retcode = SQLExtendedFetch(hstmt, fetchType, 0, &cRowsFetched, &rowStatus); - if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) { if (retcode == SQL_NO_DATA_FOUND) return(FALSE); @@ -618,12 +604,21 @@ bool wxDbTable::getRec(UWORD fetchType) /********** wxDbTable::execDelete() **********/ bool wxDbTable::execDelete(const wxString &pSqlStmt) { + RETCODE retcode; + // Execute the DELETE statement - if (SQLExecDirect(hstmtDelete, (UCHAR FAR *) pSqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) - return(pDb->DispAllErrors(henv, hdbc, hstmtDelete)); + retcode = SQLExecDirect(hstmtDelete, (UCHAR FAR *) pSqlStmt.c_str(), SQL_NTS); - // Record deleted successfully - return(TRUE); + if (retcode == SQL_SUCCESS || + retcode == SQL_NO_DATA_FOUND || + retcode == SQL_SUCCESS_WITH_INFO) + { + // Record deleted successfully + return(TRUE); + } + + // Problem deleting record + return(pDb->DispAllErrors(henv, hdbc, hstmtDelete)); } // wxDbTable::execDelete() @@ -631,12 +626,51 @@ bool wxDbTable::execDelete(const wxString &pSqlStmt) /********** wxDbTable::execUpdate() **********/ bool wxDbTable::execUpdate(const wxString &pSqlStmt) { + RETCODE retcode; + // Execute the UPDATE statement - if (SQLExecDirect(hstmtUpdate, (UCHAR FAR *) pSqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) - return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate)); + retcode = SQLExecDirect(hstmtUpdate, (UCHAR FAR *) pSqlStmt.c_str(), SQL_NTS); - // Record deleted successfully - return(TRUE); + if (retcode == SQL_SUCCESS || + retcode == SQL_NO_DATA_FOUND || + retcode == SQL_SUCCESS_WITH_INFO) + { + // Record updated successfully + return(TRUE); + } + else if (retcode == SQL_NEED_DATA) + { + PTR pParmID; + while ((retcode = SQLParamData(hstmtUpdate, &pParmID) == SQL_NEED_DATA)) + { + // Find the parameter + int i; + for (i=0; i < noCols; i++) + { + if (colDefs[i].PtrDataObj == pParmID) + { + // We found it. Store the parameter. + retcode = SQLPutData(hstmtUpdate, pParmID, colDefs[i].SzDataObj); + if (retcode != SQL_SUCCESS) + { + pDb->DispNextError(); + return pDb->DispAllErrors(henv, hdbc, hstmtUpdate); + } + break; + } + } + } + if (retcode == SQL_SUCCESS || + retcode == SQL_NO_DATA_FOUND || + retcode == SQL_SUCCESS_WITH_INFO) + { + // Record updated successfully + return(TRUE); + } + } + + // Problem updating record + return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate)); } // wxDbTable::execUpdate() @@ -658,28 +692,13 @@ bool wxDbTable::query(int queryType, bool forUpdate, bool distinct, const wxStri BuildSelectStmt(sqlStmt, queryType, distinct); pDb->WriteSqlLog(sqlStmt); } -/* - This is the block of code that got added during the 2.2.1 merge with - the 2.2 main branch that somehow got added here when it should not have. - gt - else - wxStrcpy(sqlStmt, pSqlStmt); - - SQLFreeStmt(hstmt, SQL_CLOSE); - if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS) == SQL_SUCCESS) - return(TRUE); - else - { - pDb->DispAllErrors(henv, hdbc, hstmt); - return(FALSE); - } -*/ // Make sure the cursor is closed first if (!CloseCursor(hstmt)) return(FALSE); // Execute the SQL SELECT statement - int retcode; + int retcode; retcode = SQLExecDirect(hstmt, (UCHAR FAR *) (queryType == DB_SELECT_STATEMENT ? pSqlStmt.c_str() : sqlStmt.c_str()), SQL_NTS); if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) return(pDb->DispAllErrors(henv, hdbc, hstmt)); @@ -697,11 +716,24 @@ bool wxDbTable::query(int queryType, bool forUpdate, bool distinct, const wxStri bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists) { if (!pDb) - return FALSE; + return FALSE; int i; wxString sqlStmt; wxString s; +// int NumKeyCols=0; + + // Calculate the maximum size of the concatenated + // keys for use with wxDbGrid + m_keysize = 0; + for (i=0; i < noCols; i++) + { + if (colDefs[i].KeyField) + { +// NumKeyCols++; + m_keysize += colDefs[i].SzDataObj; + } + } s.Empty(); // Verify that the table exists in the database @@ -716,12 +748,12 @@ bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists) else if (checkPrivileges) { // Verify the user has rights to access the table. - // Shortcut boolean evaluation to optimize out call to + // Shortcut boolean evaluation to optimize out call to // TablePrivileges // // Unfortunately this optimization doesn't seem to be // reliable! - if (// *(pDb->dbInf.accessibleTables) == 'N' && + if (// *(pDb->dbInf.accessibleTables) == 'N' && !pDb->TablePrivileges(tableName,wxT("SELECT"), pDb->GetUsername(), pDb->GetUsername(), tablePath)) s = wxT("Current logged in user does not have sufficient privileges to access this table.\n"); } @@ -747,14 +779,14 @@ bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists) { if (!bindInsertParams()) // Inserts return(FALSE); - + if (!bindUpdateParams()) // Updates return(FALSE); } if (!bindCols(*hstmtDefault)) // Selects return(FALSE); - + if (!bindCols(hstmtInternal)) // Internal use only return(FALSE); @@ -766,14 +798,16 @@ bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists) if (!queryOnly && noCols > 0) { bool needComma = FALSE; - sqlStmt.Printf(wxT("INSERT INTO %s ("), tableName.c_str()); + sqlStmt.Printf(wxT("INSERT INTO %s ("), + pDb->SQLTableName(tableName.c_str()).c_str()); for (i = 0; i < noCols; i++) { if (! colDefs[i].InsertAllowed) continue; if (needComma) sqlStmt += wxT(","); - sqlStmt += colDefs[i].ColName; + sqlStmt += pDb->SQLColumnName(colDefs[i].ColName); +// sqlStmt += colDefs[i].ColName; needComma = TRUE; } needComma = FALSE; @@ -792,17 +826,17 @@ bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists) insertableCount++; } sqlStmt += wxT(")"); - + // Prepare the insert statement for execution - if (insertableCount) + if (insertableCount) { if (SQLPrepare(hstmtInsert, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) return(pDb->DispAllErrors(henv, hdbc, hstmtInsert)); } - else + else insertable= FALSE; } - + // Completed successfully return(TRUE); @@ -896,7 +930,7 @@ bool wxDbTable::GetLast(void) wxFAIL_MSG(wxT("GetLast()::Backward scrolling cursors are not enabled for this instance of wxDbTable")); return FALSE; } - else + else return(getRec(SQL_FETCH_LAST)); } // wxDbTable::GetLast() @@ -917,11 +951,13 @@ void wxDbTable::BuildDeleteStmt(wxString &pSqlStmt, int typeOfDel, const wxStrin // delete all records from the database in this case. if (typeOfDel == DB_DEL_WHERE && (pWhereClause.Length() == 0)) { - pSqlStmt.Printf(wxT("DELETE FROM %s"), tableName.c_str()); + pSqlStmt.Printf(wxT("DELETE FROM %s"), + pDb->SQLTableName(tableName.c_str()).c_str()); return; } - pSqlStmt.Printf(wxT("DELETE FROM %s WHERE "), tableName.c_str()); + pSqlStmt.Printf(wxT("DELETE FROM %s WHERE "), + pDb->SQLTableName(tableName.c_str()).c_str()); // Append the WHERE clause to the SQL DELETE statement switch(typeOfDel) @@ -1001,12 +1037,14 @@ void wxDbTable::BuildSelectStmt(wxString &pSqlStmt, int typeOfSelect, bool disti for (i = 0; i < noCols; i++) { // If joining tables, the base table column names must be qualified to avoid ambiguity - if (appendFromClause) + if (appendFromClause || pDb->Dbms() == dbmsACCESS) { - pSqlStmt += queryTableName; + pSqlStmt += pDb->SQLTableName(queryTableName.c_str()); +// pSqlStmt += queryTableName; pSqlStmt += wxT("."); } - pSqlStmt += colDefs[i].ColName; + pSqlStmt += pDb->SQLColumnName(colDefs[i].ColName); +// pSqlStmt += colDefs[i].ColName; if (i + 1 < noCols) pSqlStmt += wxT(","); } @@ -1016,10 +1054,11 @@ void wxDbTable::BuildSelectStmt(wxString &pSqlStmt, int typeOfSelect, bool disti if (!distinct && CanUpdByROWID()) { // If joining tables, the base table column names must be qualified to avoid ambiguity - if (appendFromClause) + if (appendFromClause || pDb->Dbms() == dbmsACCESS) { pSqlStmt += wxT(","); - pSqlStmt += queryTableName; + pSqlStmt += pDb->SQLTableName(queryTableName); +// pSqlStmt += queryTableName; pSqlStmt += wxT(".ROWID"); } else @@ -1028,7 +1067,8 @@ void wxDbTable::BuildSelectStmt(wxString &pSqlStmt, int typeOfSelect, bool disti // Append the FROM tablename portion pSqlStmt += wxT(" FROM "); - pSqlStmt += queryTableName; + pSqlStmt += pDb->SQLTableName(queryTableName); +// pSqlStmt += queryTableName; // Sybase uses the HOLDLOCK keyword to lock a record during query. // The HOLDLOCK keyword follows the table name in the from clause. @@ -1115,7 +1155,8 @@ void wxDbTable::BuildUpdateStmt(wxString &pSqlStmt, int typeOfUpd, const wxStrin bool firstColumn = TRUE; - pSqlStmt.Printf(wxT("UPDATE %s SET "), tableName.c_str()); + pSqlStmt.Printf(wxT("UPDATE %s SET "), + pDb->SQLTableName(tableName.c_str()).c_str()); // Append a list of columns to be updated int i; @@ -1124,11 +1165,13 @@ void wxDbTable::BuildUpdateStmt(wxString &pSqlStmt, int typeOfUpd, const wxStrin // Only append Updateable columns if (colDefs[i].Updateable) { - if (! firstColumn) + if (!firstColumn) pSqlStmt += wxT(","); else firstColumn = FALSE; - pSqlStmt += colDefs[i].ColName; + + pSqlStmt += pDb->SQLColumnName(colDefs[i].ColName); +// pSqlStmt += colDefs[i].ColName; pSqlStmt += wxT(" = ?"); } } @@ -1208,10 +1251,12 @@ void wxDbTable::BuildWhereClause(wxString &pWhereClause, int typeOfWhere, // Concatenate where phrase for the column if (qualTableName.Length()) { - pWhereClause += qualTableName; + pWhereClause += pDb->SQLTableName(qualTableName); +// pWhereClause += qualTableName; pWhereClause += wxT("."); } - pWhereClause += colDefs[i].ColName; + pWhereClause += pDb->SQLColumnName(colDefs[i].ColName); +// pWhereClause += colDefs[i].ColName; if (useLikeComparison && (colDefs[i].SqlCtype == SQL_C_CHAR)) pWhereClause += wxT(" LIKE "); else @@ -1313,19 +1358,19 @@ bool wxDbTable::CreateTable(bool attemptDrop) switch(colDefs[i].DbDataType) { case DB_DATA_TYPE_VARCHAR: - cout << pDb->typeInfVarchar.TypeName << wxT("(") << colDefs[i].SzDataObj << wxT(")"); + cout << pDb->GetTypeInfVarchar().TypeName << wxT("(") << colDefs[i].SzDataObj << wxT(")"); break; case DB_DATA_TYPE_INTEGER: - cout << pDb->typeInfInteger.TypeName; + cout << pDb->GetTypeInfInteger().TypeName; break; case DB_DATA_TYPE_FLOAT: - cout << pDb->typeInfFloat.TypeName; + cout << pDb->GetTypeInfFloat().TypeName; break; case DB_DATA_TYPE_DATE: - cout << pDb->typeInfDate.TypeName; + cout << pDb->GetTypeInfDate().TypeName; break; case DB_DATA_TYPE_BLOB: - cout << pDb->typeInfBlob.TypeName; + cout << pDb->GetTypeInfBlob().TypeName; break; } cout << endl; @@ -1334,7 +1379,9 @@ bool wxDbTable::CreateTable(bool attemptDrop) // Build a CREATE TABLE string from the colDefs structure. bool needComma = FALSE; - sqlStmt.Printf(wxT("CREATE TABLE %s ("), tableName.c_str()); + + sqlStmt.Printf(wxT("CREATE TABLE %s ("), + pDb->SQLTableName(tableName.c_str()).c_str()); for (i = 0; i < noCols; i++) { @@ -1345,7 +1392,8 @@ bool wxDbTable::CreateTable(bool attemptDrop) if (needComma) sqlStmt += wxT(","); // Column Name - sqlStmt += colDefs[i].ColName; + sqlStmt += pDb->SQLColumnName(colDefs[i].ColName); +// sqlStmt += colDefs[i].ColName; sqlStmt += wxT(" "); // Column Type switch(colDefs[i].DbDataType) @@ -1367,7 +1415,8 @@ bool wxDbTable::CreateTable(bool attemptDrop) break; } // For varchars, append the size of the string - if (colDefs[i].DbDataType == DB_DATA_TYPE_VARCHAR)// || + if (colDefs[i].DbDataType == DB_DATA_TYPE_VARCHAR && + (pDb->Dbms() != dbmsMY_SQL || pDb->GetTypeInfVarchar().TypeName != "text"))// || // colDefs[i].DbDataType == DB_DATA_TYPE_BLOB) { wxString s; @@ -1378,6 +1427,7 @@ bool wxDbTable::CreateTable(bool attemptDrop) if (pDb->Dbms() == dbmsDB2 || pDb->Dbms() == dbmsMY_SQL || pDb->Dbms() == dbmsSYBASE_ASE || + pDb->Dbms() == dbmsINTERBASE || pDb->Dbms() == dbmsMS_SQL_SERVER) { if (colDefs[i].KeyField) @@ -1385,7 +1435,7 @@ bool wxDbTable::CreateTable(bool attemptDrop) sqlStmt += wxT(" NOT NULL"); } } - + needComma = TRUE; } // If there is a primary key defined, include it in the create statement @@ -1397,22 +1447,36 @@ bool wxDbTable::CreateTable(bool attemptDrop) break; } } - if (j && pDb->Dbms() != dbmsDBASE) // Found a keyfield + if (j && (pDb->Dbms() != dbmsDBASE) + && (pDb->Dbms() != dbmsXBASE_SEQUITER) + ) // Found a keyfield { switch (pDb->Dbms()) { + case dbmsACCESS: + case dbmsINFORMIX: case dbmsSYBASE_ASA: case dbmsSYBASE_ASE: case dbmsMY_SQL: { - /* MySQL goes out on this one. We also declare the relevant key NON NULL above */ + // MySQL goes out on this one. We also declare the relevant key NON NULL above sqlStmt += wxT(",PRIMARY KEY ("); break; } default: { sqlStmt += wxT(",CONSTRAINT "); - sqlStmt += tableName; + // DB2 is limited to 18 characters for index names + if (pDb->Dbms() == dbmsDB2) + { + wxASSERT_MSG((tableName && wxStrlen(tableName) <= 13), wxT("DB2 table/index names must be no longer than 13 characters in length.\n\nTruncating table name to 13 characters.")); + sqlStmt += pDb->SQLTableName(tableName.substr(0, 13).c_str()); +// sqlStmt += tableName.substr(0, 13); + } + else + sqlStmt += pDb->SQLTableName(tableName.c_str()); +// sqlStmt += tableName; + sqlStmt += wxT("_PIDX PRIMARY KEY ("); break; } @@ -1425,18 +1489,28 @@ bool wxDbTable::CreateTable(bool attemptDrop) { if (j++) // Multi part key, comma separate names sqlStmt += wxT(","); - sqlStmt += colDefs[i].ColName; + sqlStmt += pDb->SQLColumnName(colDefs[i].ColName); + + if (pDb->Dbms() == dbmsMY_SQL && + colDefs[i].DbDataType == DB_DATA_TYPE_VARCHAR) + { + wxString s; + s.Printf(wxT("(%d)"), colDefs[i].SzDataObj); + sqlStmt += s; + } } } - sqlStmt += wxT(")"); + sqlStmt += wxT(")"); - if (pDb->Dbms() == dbmsSYBASE_ASA || - pDb->Dbms() == dbmsSYBASE_ASE) - { - sqlStmt += wxT(" CONSTRAINT "); - sqlStmt += tableName; - sqlStmt += wxT("_PIDX"); - } + if (pDb->Dbms() == dbmsINFORMIX || + pDb->Dbms() == dbmsSYBASE_ASA || + pDb->Dbms() == dbmsSYBASE_ASE) + { + sqlStmt += wxT(" CONSTRAINT "); + sqlStmt += pDb->SQLTableName(tableName); +// sqlStmt += tableName; + sqlStmt += wxT("_PIDX"); + } } // Append the closing parentheses for the create table statement sqlStmt += wxT(")"); @@ -1479,7 +1553,8 @@ bool wxDbTable::DropTable() wxString sqlStmt; - sqlStmt.Printf(wxT("DROP TABLE %s"), tableName.c_str()); + sqlStmt.Printf(wxT("DROP TABLE %s"), + pDb->SQLTableName(tableName.c_str()).c_str()); pDb->WriteSqlLog(sqlStmt); @@ -1487,22 +1562,24 @@ bool wxDbTable::DropTable() cout << endl << sqlStmt.c_str() << endl; #endif - if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) + RETCODE retcode = SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS); + if (retcode != SQL_SUCCESS) { // Check for "Base table not found" error and ignore - pDb->GetNextError(henv, hdbc, hstmt); - if (wxStrcmp(pDb->sqlState, wxT("S0002")) && - wxStrcmp(pDb->sqlState, wxT("S1000"))) // "Base table not found" - { + pDb->GetNextError(henv, hdbc, hstmt); + if (wxStrcmp(pDb->sqlState, wxT("S0002")) /*&& + wxStrcmp(pDb->sqlState, wxT("S1000"))*/) // "Base table not found" + { // Check for product specific error codes - if (!((pDb->Dbms() == dbmsSYBASE_ASA && !wxStrcmp(pDb->sqlState,wxT("42000"))) || // 5.x (and lower?) - (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,wxT("37000"))) || - (pDb->Dbms() == dbmsPOSTGRES && !wxStrcmp(pDb->sqlState,wxT("08S01"))))) + if (!((pDb->Dbms() == dbmsSYBASE_ASA && !wxStrcmp(pDb->sqlState,wxT("42000"))) || // 5.x (and lower?) + (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,wxT("37000"))) || + (pDb->Dbms() == dbmsPERVASIVE_SQL && !wxStrcmp(pDb->sqlState,wxT("S1000"))) || // Returns an S1000 then an S0002 + (pDb->Dbms() == dbmsPOSTGRES && !wxStrcmp(pDb->sqlState,wxT("08S01"))))) { pDb->DispNextError(); pDb->DispAllErrors(henv, hdbc, hstmt); pDb->RollbackTrans(); - CloseCursor(hstmt); +// CloseCursor(hstmt); return(FALSE); } } @@ -1520,7 +1597,7 @@ bool wxDbTable::DropTable() /********** wxDbTable::CreateIndex() **********/ bool wxDbTable::CreateIndex(const wxString &idxName, bool unique, UWORD noIdxCols, - wxDbIdxDef *pIdxDefs, bool attemptDrop) + wxDbIdxDef *pIdxDefs, bool attemptDrop) { wxString sqlStmt; @@ -1556,7 +1633,7 @@ bool wxDbTable::CreateIndex(const wxString &idxName, bool unique, UWORD noIdxCol if (!found) j++; } - + if (found) { ok = pDb->ModifyColumn(tableName, pIdxDefs[i].ColName, @@ -1583,36 +1660,63 @@ bool wxDbTable::CreateIndex(const wxString &idxName, bool unique, UWORD noIdxCol return(FALSE); } } - + // Build a CREATE INDEX statement sqlStmt = wxT("CREATE "); if (unique) sqlStmt += wxT("UNIQUE "); - + sqlStmt += wxT("INDEX "); - sqlStmt += idxName; + sqlStmt += pDb->SQLTableName(idxName); sqlStmt += wxT(" ON "); - sqlStmt += tableName; + + sqlStmt += pDb->SQLTableName(tableName); +// sqlStmt += tableName; sqlStmt += wxT(" ("); - + // Append list of columns making up index int i; for (i = 0; i < noIdxCols; i++) { - sqlStmt += pIdxDefs[i].ColName; - /* Postgres doesn't cope with ASC */ - if (pDb->Dbms() != dbmsPOSTGRES) + sqlStmt += pDb->SQLColumnName(pIdxDefs[i].ColName); +// sqlStmt += pIdxDefs[i].ColName; + + // MySQL requires a key length on VARCHAR keys + if ( pDb->Dbms() == dbmsMY_SQL ) + { + // Find the details on this column + int j; + for ( j = 0; j < noCols; ++j ) + { + if ( wxStrcmp( pIdxDefs[i].ColName, colDefs[j].ColName ) == 0 ) + { + break; + } + } + if ( colDefs[j].DbDataType == DB_DATA_TYPE_VARCHAR) + { + wxString s; + s.Printf(wxT("(%d)"), colDefs[i].SzDataObj); + sqlStmt += s; + } + } + + // Postgres and SQL Server 7 do not support the ASC/DESC keywords for index columns + if (!((pDb->Dbms() == dbmsMS_SQL_SERVER) && (strncmp(pDb->dbInf.dbmsVer,"07",2)==0)) && + !(pDb->Dbms() == dbmsPOSTGRES)) { if (pIdxDefs[i].Ascending) sqlStmt += wxT(" ASC"); else sqlStmt += wxT(" DESC"); } + else + wxASSERT_MSG(pIdxDefs[i].Ascending, "Datasource does not support DESCending index columns"); if ((i + 1) < noIdxCols) sqlStmt += wxT(","); } - + // Append closing parentheses sqlStmt += wxT(")"); @@ -1648,18 +1752,25 @@ bool wxDbTable::DropIndex(const wxString &idxName) { // NOTE: This function returns TRUE if the Index does not exist, but // only for identified databases. Code will need to be added - // below for any other databases when those databases are defined + // below for any other databases when those databases are defined // to handle this situation consistently wxString sqlStmt; - if (pDb->Dbms() == dbmsACCESS || pDb->Dbms() == dbmsMY_SQL) - sqlStmt.Printf(wxT("DROP INDEX %s ON %s"),idxName.c_str(), tableName.c_str()); + if (pDb->Dbms() == dbmsACCESS || pDb->Dbms() == dbmsMY_SQL || + pDb->Dbms() == dbmsDBASE /*|| Paradox needs this syntax too when we add support*/) + sqlStmt.Printf(wxT("DROP INDEX %s ON %s"), + pDb->SQLTableName(idxName.c_str()).c_str(), + pDb->SQLTableName(tableName.c_str()).c_str()); else if ((pDb->Dbms() == dbmsMS_SQL_SERVER) || - (pDb->Dbms() == dbmsSYBASE_ASE)) - sqlStmt.Printf(wxT("DROP INDEX %s.%s"),tableName.c_str(), idxName.c_str()); + (pDb->Dbms() == dbmsSYBASE_ASE) || + (pDb->Dbms() == dbmsXBASE_SEQUITER)) + sqlStmt.Printf(wxT("DROP INDEX %s.%s"), + pDb->SQLTableName(tableName.c_str()).c_str(), + pDb->SQLTableName(idxName.c_str()).c_str()); else - sqlStmt.Printf(wxT("DROP INDEX %s"),idxName.c_str()); + sqlStmt.Printf(wxT("DROP INDEX %s"), + pDb->SQLTableName(idxName.c_str()).c_str()); pDb->WriteSqlLog(sqlStmt); @@ -1677,6 +1788,7 @@ bool wxDbTable::DropIndex(const wxString &idxName) if (!((pDb->Dbms() == dbmsSYBASE_ASA && !wxStrcmp(pDb->sqlState,wxT("42000"))) || // v5.x (and lower?) (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,wxT("37000"))) || (pDb->Dbms() == dbmsMS_SQL_SERVER && !wxStrcmp(pDb->sqlState,wxT("S1000"))) || + (pDb->Dbms() == dbmsINTERBASE && !wxStrcmp(pDb->sqlState,wxT("S1000"))) || (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,wxT("S0002"))) || // Base table not found (pDb->Dbms() == dbmsMY_SQL && !wxStrcmp(pDb->sqlState,wxT("42S12"))) || // tested by Christopher Ludwik Marino-Cebulski using v3.23.21beta (pDb->Dbms() == dbmsPOSTGRES && !wxStrcmp(pDb->sqlState,wxT("08S01"))) @@ -1704,7 +1816,7 @@ bool wxDbTable::DropIndex(const wxString &idxName) /********** wxDbTable::SetOrderByColNums() **********/ bool wxDbTable::SetOrderByColNums(UWORD first, ... ) { - int colNo = first; // using 'int' to be able to look for wxDB_NO_MORE_COLUN_NUMBERS + int colNo = first; // using 'int' to be able to look for wxDB_NO_MORE_COLUN_NUMBERS va_list argptr; bool abort = FALSE; @@ -1749,7 +1861,8 @@ int wxDbTable::Insert(void) // Insert the record by executing the already prepared insert statement RETCODE retcode; retcode=SQLExecute(hstmtInsert); - if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO && + retcode != SQL_NEED_DATA) { // Check to see if integrity constraint was violated pDb->GetNextError(henv, hdbc, hstmtInsert); @@ -1762,6 +1875,30 @@ int wxDbTable::Insert(void) return(DB_FAILURE); } } + if (retcode == SQL_NEED_DATA) + { + PTR pParmID; + while ((retcode = SQLParamData(hstmtInsert, &pParmID) == SQL_NEED_DATA)) + { + // Find the parameter + int i; + for (i=0; i < noCols; i++) + { + if (colDefs[i].PtrDataObj == pParmID) + { + // We found it. Store the parameter. + retcode = SQLPutData(hstmtInsert, pParmID, colDefs[i].SzDataObj); + if (retcode != SQL_SUCCESS) + { + pDb->DispNextError(); + pDb->DispAllErrors(henv, hdbc, hstmtInsert); + return(DB_FAILURE); + } + break; + } + } + } + } // Record inserted into the datasource successfully return(DB_SUCCESS); @@ -1895,7 +2032,7 @@ bool wxDbTable::DeleteMatching(void) /********** wxDbTable::IsColNull() **********/ -bool wxDbTable::IsColNull(UWORD colNo) +bool wxDbTable::IsColNull(UWORD colNo) const { /* This logic is just not right. It would indicate TRUE @@ -2060,13 +2197,23 @@ void wxDbTable::SetColDefs(UWORD index, const wxString &fieldName, int dataType, SWORD cType, int size, bool keyField, bool upd, bool insAllow, bool derivedCol) { + wxASSERT_MSG( index < noCols, + _T("Specified column index exceeds the maximum number of columns for this table.") ); + if (!colDefs) // May happen if the database connection fails return; if (fieldName.Length() > (unsigned int) DB_MAX_COLUMN_NAME_LEN) { - wxStrncpy (colDefs[index].ColName, fieldName, DB_MAX_COLUMN_NAME_LEN); + wxStrncpy(colDefs[index].ColName, fieldName, DB_MAX_COLUMN_NAME_LEN); colDefs[index].ColName[DB_MAX_COLUMN_NAME_LEN] = 0; + +#ifdef __WXDEBUG__ + wxString tmpMsg; + tmpMsg.Printf(_T("Column name '%s' is too long. Truncated to '%s'."), + fieldName.c_str(),colDefs[index].ColName); + wxFAIL_MSG(tmpMsg); +#endif // __WXDEBUG__ } else wxStrcpy(colDefs[index].ColName, fieldName); @@ -2090,7 +2237,7 @@ void wxDbTable::SetColDefs(UWORD index, const wxString &fieldName, int dataType, } colDefs[index].Null = FALSE; - + } // wxDbTable::SetColDefs() @@ -2103,7 +2250,7 @@ wxDbColDataPtr* wxDbTable::SetColDefs(wxDbColInf *pColInfs, UWORD numCols) if (pColInfs) { UWORD index; - + pColDataPtrs = new wxDbColDataPtr[numCols+1]; for (index = 0; index < numCols; index++) @@ -2144,7 +2291,7 @@ wxDbColDataPtr* wxDbTable::SetColDefs(wxDbColInf *pColInfs, UWORD numCols) pColDataPtrs[index].PtrDataObj = new double; pColDataPtrs[index].SzDataObj = sizeof(double); pColDataPtrs[index].SqlCtype = SQL_C_DOUBLE; - } + } break; case DB_DATA_TYPE_DATE: pColDataPtrs[index].PtrDataObj = new TIMESTAMP_STRUCT; @@ -2152,8 +2299,7 @@ wxDbColDataPtr* wxDbTable::SetColDefs(wxDbColInf *pColInfs, UWORD numCols) pColDataPtrs[index].SqlCtype = SQL_C_TIMESTAMP; break; case DB_DATA_TYPE_BLOB: - int notSupportedYet = 0; - wxASSERT_MSG(notSupportedYet, wxT("This form of ::SetColDefs() cannot be used with BLOB columns")); + wxFAIL_MSG(wxT("This form of ::SetColDefs() cannot be used with BLOB columns")); pColDataPtrs[index].PtrDataObj = /*BLOB ADDITION NEEDED*/NULL; pColDataPtrs[index].SzDataObj = /*BLOB ADDITION NEEDED*/sizeof(void *); pColDataPtrs[index].SqlCtype = SQL_VARBINARY; @@ -2163,7 +2309,7 @@ wxDbColDataPtr* wxDbTable::SetColDefs(wxDbColInf *pColInfs, UWORD numCols) SetColDefs (index,pColInfs[index].colName,pColInfs[index].dbDataType, pColDataPtrs[index].PtrDataObj, pColDataPtrs[index].SqlCtype, pColDataPtrs[index].SzDataObj); else { - // Unable to build all the column definitions, as either one of + // Unable to build all the column definitions, as either one of // the calls to "new" failed above, or there was a BLOB field // to have a column definition for. If BLOBs are to be used, // the other form of ::SetColDefs() must be used, as it is impossible @@ -2201,7 +2347,8 @@ ULONG wxDbTable::Count(const wxString &args) sqlStmt = wxT("SELECT COUNT("); sqlStmt += args; sqlStmt += wxT(") FROM "); - sqlStmt += queryTableName; + sqlStmt += pDb->SQLTableName(queryTableName); +// sqlStmt += queryTableName; #if wxODBC_BACKWARD_COMPATABILITY if (from && wxStrlen(from)) #else @@ -2293,7 +2440,8 @@ bool wxDbTable::Refresh(void) // based on the key fields. if (SQLGetData(hstmt, (UWORD)(noCols+1), SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS) { - whereClause += queryTableName; + whereClause += pDb->SQLTableName(queryTableName); +// whereClause += queryTableName; whereClause += wxT(".ROWID = '"); whereClause += rowid; whereClause += wxT("'"); @@ -2392,7 +2540,7 @@ HSTMT *wxDbTable::GetNewCursor(bool setCursor, bool bindColumns) if (bindColumns) { - if(!bindCols(*newHSTMT)) + if (!bindCols(*newHSTMT)) { delete newHSTMT; return(0); @@ -2418,7 +2566,7 @@ bool wxDbTable::DeleteCursor(HSTMT *hstmtDel) /* ODBC 3.0 says to use this form if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS) - + */ if (SQLFreeStmt(*hstmtDel, SQL_DROP) != SQL_SUCCESS) { @@ -2432,5 +2580,228 @@ ODBC 3.0 says to use this form } // wxDbTable::DeleteCursor() +////////////////////////////////////////////////////////////// +// wxDbGrid support functions +////////////////////////////////////////////////////////////// + +void wxDbTable::SetRowMode(const rowmode_t rowmode) +{ + if (!m_hstmtGridQuery) + { + m_hstmtGridQuery = GetNewCursor(FALSE,FALSE); + if (!bindCols(*m_hstmtGridQuery)) + return; + } + + m_rowmode = rowmode; + switch (m_rowmode) + { + case WX_ROW_MODE_QUERY: + SetCursor(m_hstmtGridQuery); + break; + case WX_ROW_MODE_INDIVIDUAL: + SetCursor(hstmtDefault); + break; + default: + assert(0); + } +} // wxDbTable::SetRowMode() + + +wxVariant wxDbTable::GetCol(const int colNo) const +{ + wxVariant val; + if ((colNo < noCols) && (!IsColNull(colNo))) + { + switch (colDefs[colNo].SqlCtype) + { + case SQL_CHAR: + case SQL_VARCHAR: + val = (wxChar *)(colDefs[colNo].PtrDataObj); + break; + case SQL_C_LONG: + case SQL_C_SLONG: + val = *(long *)(colDefs[colNo].PtrDataObj); + break; + case SQL_C_SHORT: + case SQL_C_SSHORT: + val = (long int )(*(short *)(colDefs[colNo].PtrDataObj)); + break; + case SQL_C_ULONG: + val = (long)(*(unsigned long *)(colDefs[colNo].PtrDataObj)); + break; + case SQL_C_TINYINT: + val = (long)(*(char *)(colDefs[colNo].PtrDataObj)); + break; + case SQL_C_UTINYINT: + val = (long)(*(unsigned char *)(colDefs[colNo].PtrDataObj)); + break; + case SQL_C_USHORT: + val = (long)(*(UWORD *)(colDefs[colNo].PtrDataObj)); + break; + case SQL_C_DATE: + val = (DATE_STRUCT *)(colDefs[colNo].PtrDataObj); + break; + case SQL_C_TIME: + val = (TIME_STRUCT *)(colDefs[colNo].PtrDataObj); + break; + case SQL_C_TIMESTAMP: + val = (TIMESTAMP_STRUCT *)(colDefs[colNo].PtrDataObj); + break; + case SQL_C_DOUBLE: + val = *(double *)(colDefs[colNo].PtrDataObj); + break; + default: + assert(0); + } + } + return val; +} // wxDbTable::GetCol() + + +void csstrncpyt(char *s, const char *t, int n) +{ + while ( (*s++ = *t++) != '\0' && --n ) + ; + + *s = '\0'; +} + +void wxDbTable::SetCol(const int colNo, const wxVariant val) +{ + //FIXME: Add proper wxDateTime support to wxVariant.. + wxDateTime dateval; + + SetColNull(colNo, val.IsNull()); + + if (!val.IsNull()) + { + if ((colDefs[colNo].SqlCtype == SQL_C_DATE) + || (colDefs[colNo].SqlCtype == SQL_C_TIME) + || (colDefs[colNo].SqlCtype == SQL_C_TIMESTAMP)) + { + //Returns null if invalid! + if (!dateval.ParseDate(val.GetString())) + SetColNull(colNo, TRUE); + } + + switch (colDefs[colNo].SqlCtype) + { + case SQL_CHAR: + case SQL_VARCHAR: + csstrncpyt((char *)(colDefs[colNo].PtrDataObj), + val.GetString().c_str(), + colDefs[colNo].SzDataObj-1); + break; + case SQL_C_LONG: + case SQL_C_SLONG: + *(long *)(colDefs[colNo].PtrDataObj) = val; + break; + case SQL_C_SHORT: + case SQL_C_SSHORT: + *(short *)(colDefs[colNo].PtrDataObj) = val.GetLong(); + break; + case SQL_C_ULONG: + *(unsigned long *)(colDefs[colNo].PtrDataObj) = val.GetLong(); + break; + case SQL_C_TINYINT: + *(char *)(colDefs[colNo].PtrDataObj) = val.GetChar(); + break; + case SQL_C_UTINYINT: + *(unsigned char *)(colDefs[colNo].PtrDataObj) = val.GetChar(); + break; + case SQL_C_USHORT: + *(unsigned short *)(colDefs[colNo].PtrDataObj) = val.GetLong(); + break; + //FIXME: Add proper wxDateTime support to wxVariant.. + case SQL_C_DATE: + { + DATE_STRUCT *dataptr = + (DATE_STRUCT *)colDefs[colNo].PtrDataObj; + + dataptr->year = dateval.GetYear(); + dataptr->month = dateval.GetMonth()+1; + dataptr->day = dateval.GetDay(); + } + break; + case SQL_C_TIME: + { + TIME_STRUCT *dataptr = + (TIME_STRUCT *)colDefs[colNo].PtrDataObj; + + dataptr->hour = dateval.GetHour(); + dataptr->minute = dateval.GetMinute(); + dataptr->second = dateval.GetSecond(); + } + break; + case SQL_C_TIMESTAMP: + { + TIMESTAMP_STRUCT *dataptr = + (TIMESTAMP_STRUCT *)colDefs[colNo].PtrDataObj; + dataptr->year = dateval.GetYear(); + dataptr->month = dateval.GetMonth()+1; + dataptr->day = dateval.GetDay(); + + dataptr->hour = dateval.GetHour(); + dataptr->minute = dateval.GetMinute(); + dataptr->second = dateval.GetSecond(); + } + break; + case SQL_C_DOUBLE: + *(double *)(colDefs[colNo].PtrDataObj) = val; + break; + default: + assert(0); + } // switch + } // if (!val.IsNull()) +} // wxDbTable::SetCol() + + +GenericKey wxDbTable::GetKey() +{ + void *blk; + wxChar *blkptr; + + blk = malloc(m_keysize); + blkptr = (wxChar *) blk; + + int i; + for (i=0; i < noCols; i++) + { + if (colDefs[i].KeyField) + { + memcpy(blkptr,colDefs[i].PtrDataObj, colDefs[i].SzDataObj); + blkptr += colDefs[i].SzDataObj; + } + } + + GenericKey k = GenericKey(blk, m_keysize); + free(blk); + + return k; +} // wxDbTable::GetKey() + + +void wxDbTable::SetKey(const GenericKey& k) +{ + void *blk; + wxChar *blkptr; + + blk = k.GetBlk(); + blkptr = (wxChar *)blk; + + int i; + for (i=0; i < noCols; i++) + { + if (colDefs[i].KeyField) + { + SetColNull(i, FALSE); + memcpy(colDefs[i].PtrDataObj, blkptr, colDefs[i].SzDataObj); + blkptr += colDefs[i].SzDataObj; + } + } +} // wxDbTable::SetKey() + + #endif // wxUSE_ODBC