X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3ca6a5f04692678cd2d9f3ea0843fc3f5a0b254f..974dee61a9a0f72652488fc4120a82846990345b:/src/common/dbtable.cpp diff --git a/src/common/dbtable.cpp b/src/common/dbtable.cpp index 2e248698b6..7824b72820 100644 --- a/src/common/dbtable.cpp +++ b/src/common/dbtable.cpp @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: dbtable.cpp +// Name: src/common/dbtable.cpp // Purpose: Implementation of the wxDbTable class. // Author: Doug Card // Modified by: George Tasker @@ -8,80 +8,41 @@ // Created: 9.96 // RCS-ID: $Id$ // Copyright: (c) 1996 Remstar International, Inc. -// Licence: wxWindows licence, plus: -// Notice: This class library and its intellectual design are free of charge for use, -// modification, enhancement, debugging under the following conditions: -// 1) These classes may only be used as part of the implementation of a -// wxWindows-based application -// 2) All enhancements and bug fixes are to be submitted back to the wxWindows -// user groups free of all charges for use with the wxWindows library. -// 3) These classes may not be distributed as part of any other class library, -// DLL, text (written or electronic), other than a complete distribution of -// the wxWindows GUI development toolkit. +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -/* -// SYNOPSIS START -// SYNOPSIS STOP -*/ - -// 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 -#endif -#ifdef DBDEBUG_CONSOLE - #include "wx/ioswrap.h" +#ifdef __BORLANDC__ + #pragma hdrstop #endif +#if wxUSE_ODBC -#ifdef __BORLANDC__ - #pragma hdrstop -#endif //__BORLANDC__ - -#if wxMAJOR_VERSION == 2 - #ifndef WX_PRECOMP - #include "wx/string.h" - #include "wx/object.h" - #include "wx/list.h" - #include "wx/utils.h" - #include "wx/msgdlg.h" - #include "wx/log.h" - #endif - #include "wx/filefn.h" +#ifndef WX_PRECOMP + #include "wx/object.h" + #include "wx/list.h" + #include "wx/string.h" + #include "wx/utils.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 +#ifdef DBDEBUG_CONSOLE +#if wxUSE_IOSTREAMH + #include +#else + #include +#endif + #include "wx/ioswrap.h" #endif - -#if wxUSE_ODBC +#include "wx/filefn.h" #include #include #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 @@ -102,14 +63,79 @@ ULONG lastTableID = 0; #endif -/********** wxDbTable::wxDbTable() **********/ -wxDbTable::wxDbTable(wxDb *pwxDb, const char *tblName, const int nCols, - const char *qryTblName, bool qryOnly, const char *tblPath) +void csstrncpyt(wxChar *target, const wxChar *source, int n) +{ + while ( (*target++ = *source++) != '\0' && --n ) + ; + + *target = '\0'; +} + + + +/********** wxDbColDef::wxDbColDef() Constructor **********/ +wxDbColDef::wxDbColDef() +{ + Initialize(); +} // Constructor + + +bool wxDbColDef::Initialize() +{ + ColName[0] = 0; + DbDataType = DB_DATA_TYPE_INTEGER; + SqlCtype = SQL_C_LONG; + PtrDataObj = NULL; + SzDataObj = 0; + KeyField = false; + Updateable = false; + InsertAllowed = false; + DerivedCol = false; + CbValue = 0; + Null = false; + + return true; +} // wxDbColDef::Initialize() + + +/********** wxDbTable::wxDbTable() Constructor **********/ +wxDbTable::wxDbTable(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns, + const wxString &qryTblName, bool qryOnly, const wxString &tblPath) +{ + if (!initialize(pwxDb, tblName, numColumns, qryTblName, qryOnly, tblPath)) + cleanup(); +} // wxDbTable::wxDbTable() + + +/***** DEPRECATED: use wxDbTable::wxDbTable() format above *****/ +#if WXWIN_COMPATIBILITY_2_4 +wxDbTable::wxDbTable(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns, + const wxChar *qryTblName, bool qryOnly, const wxString &tblPath) { + wxString tempQryTblName; + tempQryTblName = qryTblName; + if (!initialize(pwxDb, tblName, numColumns, tempQryTblName, qryOnly, tblPath)) + cleanup(); +} // wxDbTable::wxDbTable() +#endif // WXWIN_COMPATIBILITY_2_4 + + +/********** wxDbTable::~wxDbTable() **********/ +wxDbTable::~wxDbTable() +{ + this->cleanup(); +} // wxDbTable::~wxDbTable() + + +bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD numColumns, + const wxString &qryTblName, bool qryOnly, const wxString &tblPath) +{ + // Initializing member variables pDb = pwxDb; // Pointer to the wxDb object henv = 0; hdbc = 0; hstmt = 0; + m_hstmtGridQuery = 0; hstmtDefault = 0; // Initialized below hstmtCount = 0; // Initialized first time it is needed hstmtInsert = 0; @@ -118,34 +144,51 @@ wxDbTable::wxDbTable(wxDb *pwxDb, const char *tblName, const int nCols, hstmtInternal = 0; colDefs = 0; tableID = 0; - noCols = nCols; // No. of cols in the table - where = ""; // Where clause - orderBy = ""; // Order By clause - from = ""; // From clause - selectForUpdate = FALSE; // SELECT ... FOR UPDATE; Indicates whether to include the FOR UPDATE phrase + m_numCols = numColumns; // Number of columns in the table + where.Empty(); // Where clause + orderBy.Empty(); // Order By clause + from.Empty(); // From clause + selectForUpdate = false; // SELECT ... FOR UPDATE; Indicates whether to include the FOR UPDATE phrase queryOnly = qryOnly; - insertable = TRUE; + insertable = true; + tablePath.Empty(); + tableName.Empty(); + queryTableName.Empty(); - assert (tblName); + wxASSERT(tblName.length()); + wxASSERT(pDb); - wxStrcpy(tableName, tblName); // Table Name - if (tblPath) - wxStrcpy(tablePath, tblPath); // Table Path - used for dBase files - - if (qryTblName) // Name of the table/view to query - wxStrcpy(queryTableName, qryTblName); - else - wxStrcpy(queryTableName, tblName); - if (!pDb) - return; - + return false; + + tableName = tblName; // Table Name + if ((pDb->Dbms() == dbmsORACLE) || + (pDb->Dbms() == dbmsFIREBIRD) || + (pDb->Dbms() == dbmsINTERBASE)) + tableName = tableName.Upper(); + + if (tblPath.length()) + 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; + + if ((pDb->Dbms() == dbmsORACLE) || + (pDb->Dbms() == dbmsFIREBIRD) || + (pDb->Dbms() == dbmsINTERBASE)) + queryTableName = queryTableName.Upper(); + pDb->incrementTableCount(); - + wxString s; tableID = ++lastTableID; - s.sprintf("wxDbTable constructor (%-20s) tableID:[%6lu] pDb:[%p]", tblName,tableID,pDb); - + s.Printf(wxT("wxDbTable constructor (%-20s) tableID:[%6lu] pDb:[%p]"), + tblName.c_str(), tableID, wx_static_cast(void*, pDb)); + #ifdef __WXDEBUG__ wxTablesInUse *tableInUse; tableInUse = new wxTablesInUse(); @@ -154,17 +197,17 @@ wxDbTable::wxDbTable(wxDb *pwxDb, const char *tblName, const int nCols, tableInUse->pDb = pDb; TablesInUse.Append(tableInUse); #endif - - pDb->WriteSqlLog(s.c_str()); - + + 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 defintion - + if (m_numCols) + colDefs = new wxDbColDef[m_numCols]; // Points to the first column definition + // Allocate statement handles for the table if (!queryOnly) { @@ -181,15 +224,15 @@ wxDbTable::wxDbTable(wxDb *pwxDb, const char *tblName, const int nCols, // 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, "01S02")) // Option Value Changed + if (! wxStrcmp(pDb->sqlState, wxT("01S02"))) // Option Value Changed { // Datasource does not support static cursors. Driver // will substitute a cursor type. Call SQLGetStmtOption() @@ -197,20 +240,20 @@ wxDbTable::wxDbTable(wxDb *pwxDb, const char *tblName, const int nCols, if (SQLGetStmtOption(hstmtInternal, SQL_CURSOR_TYPE, &cursorType) != SQL_SUCCESS) pDb->DispAllErrors(henv, hdbc, hstmtInternal); #ifdef DBDEBUG_CONSOLE - cout << "Static cursor changed to: "; + cout << wxT("Static cursor changed to: "); switch(cursorType) { case SQL_CURSOR_FORWARD_ONLY: - cout << "Forward Only"; + cout << wxT("Forward Only"); break; case SQL_CURSOR_STATIC: - cout << "Static"; + cout << wxT("Static"); break; case SQL_CURSOR_KEYSET_DRIVEN: - cout << "Keyset Driven"; + cout << wxT("Keyset Driven"); break; case SQL_CURSOR_DYNAMIC: - cout << "Dynamic"; + cout << wxT("Dynamic"); break; } cout << endl << endl; @@ -224,7 +267,7 @@ wxDbTable::wxDbTable(wxDb *pwxDb, const char *tblName, const int nCols, { // Should never happen pDb->GetNextError(henv, hdbc, hstmtInternal); - return; + return false; } } } @@ -236,9 +279,9 @@ wxDbTable::wxDbTable(wxDb *pwxDb, const char *tblName, const int nCols, } #ifdef DBDEBUG_CONSOLE else - cout << "Cursor Type set to STATIC" << endl << endl; + cout << wxT("Cursor Type set to STATIC") << endl << endl; #endif - + if (!queryOnly) { // Set the cursor type for the INSERT statement handle @@ -251,49 +294,50 @@ wxDbTable::wxDbTable(wxDb *pwxDb, const char *tblName, const int nCols, 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); - assert(hstmtDefault); + hstmtDefault = GetNewCursor(false,false); + wxASSERT(hstmtDefault); hstmt = *hstmtDefault; - -} // wxDbTable::wxDbTable() + return true; -/********** wxDbTable::~wxDbTable() **********/ -wxDbTable::~wxDbTable() +} // wxDbTable::initialize() + + +void wxDbTable::cleanup() { wxString s; if (pDb) { - s.sprintf("wxDbTable destructor (%-20s) tableID:[%6lu] pDb:[%p]", tableName,tableID,pDb); - pDb->WriteSqlLog(s.c_str()); + s.Printf(wxT("wxDbTable destructor (%-20s) tableID:[%6lu] pDb:[%p]"), + tableName.c_str(), tableID, wx_static_cast(void*, pDb)); + pDb->WriteSqlLog(s); } #ifdef __WXDEBUG__ if (tableID) { - TablesInUse.DeleteContents(TRUE); - bool found = FALSE; + bool found = false; - wxNode *pNode; - pNode = TablesInUse.First(); + wxList::compatibility_iterator pNode; + pNode = TablesInUse.GetFirst(); while (pNode && !found) { - if (((wxTablesInUse *)pNode->Data())->tableID == tableID) + if (((wxTablesInUse *)pNode->GetData())->tableID == tableID) { - found = TRUE; - if (!TablesInUse.DeleteNode(pNode)) - wxLogDebug (s.c_str(),wxT("Unable to delete node!")); + found = true; + delete (wxTablesInUse *)pNode->GetData(); + TablesInUse.Erase(pNode); } else - pNode = pNode->Next(); + pNode = pNode->GetNext(); } if (!found) { wxString msg; - msg.sprintf(wxT("Unable to find the tableID in the linked\nlist of tables in use.\n\n%s"),s.c_str()); - wxLogDebug (msg.c_str(),wxT("NOTICE...")); + 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...")); } } #endif @@ -310,20 +354,41 @@ wxDbTable::~wxDbTable() if (!queryOnly) { if (hstmtInsert) + { +/* +ODBC 3.0 says to use this form + if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS) +*/ if (SQLFreeStmt(hstmtInsert, SQL_DROP) != SQL_SUCCESS) pDb->DispAllErrors(henv, hdbc); + } if (hstmtDelete) + { +/* +ODBC 3.0 says to use this form + if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS) +*/ if (SQLFreeStmt(hstmtDelete, SQL_DROP) != SQL_SUCCESS) + pDb->DispAllErrors(henv, hdbc); + } if (hstmtUpdate) + { +/* +ODBC 3.0 says to use this form + if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS) +*/ if (SQLFreeStmt(hstmtUpdate, SQL_DROP) != SQL_SUCCESS) pDb->DispAllErrors(henv, hdbc); + } } if (hstmtInternal) + { if (SQLFreeStmt(hstmtInternal, SQL_DROP) != SQL_SUCCESS) pDb->DispAllErrors(henv, hdbc); + } // Delete dynamically allocated cursors if (hstmtDefault) @@ -332,44 +397,101 @@ wxDbTable::~wxDbTable() if (hstmtCount) DeleteCursor(hstmtCount); -} // wxDbTable::~wxDbTable() + if (m_hstmtGridQuery) + DeleteCursor(m_hstmtGridQuery); +} // wxDbTable::cleanup() /***************************** PRIVATE FUNCTIONS *****************************/ +void wxDbTable::setCbValueForColumn(int columnIndex) +{ + switch(colDefs[columnIndex].DbDataType) + { + case DB_DATA_TYPE_VARCHAR: + case DB_DATA_TYPE_MEMO: + if (colDefs[columnIndex].Null) + colDefs[columnIndex].CbValue = SQL_NULL_DATA; + else + colDefs[columnIndex].CbValue = SQL_NTS; + break; + case DB_DATA_TYPE_INTEGER: + if (colDefs[columnIndex].Null) + colDefs[columnIndex].CbValue = SQL_NULL_DATA; + else + colDefs[columnIndex].CbValue = 0; + break; + case DB_DATA_TYPE_FLOAT: + if (colDefs[columnIndex].Null) + colDefs[columnIndex].CbValue = SQL_NULL_DATA; + else + colDefs[columnIndex].CbValue = 0; + break; + case DB_DATA_TYPE_DATE: + if (colDefs[columnIndex].Null) + colDefs[columnIndex].CbValue = SQL_NULL_DATA; + else + colDefs[columnIndex].CbValue = 0; + break; + case DB_DATA_TYPE_BLOB: + if (colDefs[columnIndex].Null) + colDefs[columnIndex].CbValue = SQL_NULL_DATA; + else + if (colDefs[columnIndex].SqlCtype == SQL_C_WXCHAR) + colDefs[columnIndex].CbValue = SQL_NTS; + else + colDefs[columnIndex].CbValue = SQL_LEN_DATA_AT_EXEC(colDefs[columnIndex].SzDataObj); + break; + } +} -/********** wxDbTable::bindInsertParams() **********/ -bool wxDbTable::bindInsertParams(void) +/********** wxDbTable::bindParams() **********/ +bool wxDbTable::bindParams(bool forUpdate) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) - return(FALSE); + return false; SWORD fSqlType = 0; - UDWORD precision = 0; + SDWORD precision = 0; SWORD scale = 0; - // Bind each column (that can be inserted) of the table to a parameter marker - int i,colNo; - for (i = 0, colNo = 1; i < noCols; i++) + // Bind each column of the table that should be bound + // to a parameter marker + int i; + UWORD colNumber; + + for (i=0, colNumber=1; i < m_numCols; i++) { - if (! colDefs[i].InsertAllowed) - continue; + if (forUpdate) + { + if (!colDefs[i].Updateable) + continue; + } + else + { + if (!colDefs[i].InsertAllowed) + continue; + } + switch(colDefs[i].DbDataType) { case DB_DATA_TYPE_VARCHAR: - fSqlType = pDb->GetTypeInfVarchar().FsqlType; + fSqlType = pDb->GetTypeInfVarchar().FsqlType; + precision = colDefs[i].SzDataObj; + scale = 0; + break; + case DB_DATA_TYPE_MEMO: + fSqlType = pDb->GetTypeInfMemo().FsqlType; precision = colDefs[i].SzDataObj; scale = 0; - colDefs[i].CbValue = SQL_NTS; break; case DB_DATA_TYPE_INTEGER: fSqlType = pDb->GetTypeInfInteger().FsqlType; precision = pDb->GetTypeInfInteger().Precision; scale = 0; - colDefs[i].CbValue = 0; break; case DB_DATA_TYPE_FLOAT: fSqlType = pDb->GetTypeInfFloat().FsqlType; @@ -379,119 +501,79 @@ bool wxDbTable::bindInsertParams(void) // MaxScale. This caused ODBC to kick out an error on ibscale. // I check for this here and set the scale = precision. //if (scale < 0) - // scale = (short) precision; - colDefs[i].CbValue = 0; + // scale = (short) precision; break; case DB_DATA_TYPE_DATE: fSqlType = pDb->GetTypeInfDate().FsqlType; precision = pDb->GetTypeInfDate().Precision; scale = 0; - colDefs[i].CbValue = 0; + break; + case DB_DATA_TYPE_BLOB: + fSqlType = pDb->GetTypeInfBlob().FsqlType; + precision = colDefs[i].SzDataObj; + scale = 0; break; } - // Null values - if (colDefs[i].Null) + + setCbValueForColumn(i); + + if (forUpdate) { - colDefs[i].CbValue = SQL_NULL_DATA; - colDefs[i].Null = FALSE; + if (SQLBindParameter(hstmtUpdate, colNumber++, SQL_PARAM_INPUT, colDefs[i].SqlCtype, + fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, + precision+1, &colDefs[i].CbValue) != SQL_SUCCESS) + { + return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate)); + } } - - if (SQLBindParameter(hstmtInsert, colNo++, SQL_PARAM_INPUT, colDefs[i].SqlCtype, - fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, - precision+1,&colDefs[i].CbValue) != SQL_SUCCESS) + else { - return(pDb->DispAllErrors(henv, hdbc, hstmtInsert)); + if (SQLBindParameter(hstmtInsert, colNumber++, SQL_PARAM_INPUT, colDefs[i].SqlCtype, + fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, + precision+1, &colDefs[i].CbValue) != SQL_SUCCESS) + { + return(pDb->DispAllErrors(henv, hdbc, hstmtInsert)); + } } } // Completed successfully - return(TRUE); + return true; + +} // wxDbTable::bindParams() + +/********** wxDbTable::bindInsertParams() **********/ +bool wxDbTable::bindInsertParams(void) +{ + return bindParams(false); } // wxDbTable::bindInsertParams() /********** wxDbTable::bindUpdateParams() **********/ bool wxDbTable::bindUpdateParams(void) { - assert(!queryOnly); - if (queryOnly) - return(FALSE); - - SWORD fSqlType = 0; - UDWORD precision = 0; - SWORD scale = 0; - - // Bind each UPDATEABLE column of the table to a parameter marker - int i,colNo; - for (i = 0, colNo = 1; i < noCols; i++) - { - if (! colDefs[i].Updateable) - continue; - switch(colDefs[i].DbDataType) - { - case DB_DATA_TYPE_VARCHAR: - fSqlType = pDb->GetTypeInfVarchar().FsqlType; - precision = colDefs[i].SzDataObj; - scale = 0; - colDefs[i].CbValue = SQL_NTS; - break; - case DB_DATA_TYPE_INTEGER: - fSqlType = pDb->GetTypeInfInteger().FsqlType; - precision = pDb->GetTypeInfInteger().Precision; - scale = 0; - colDefs[i].CbValue = 0; - break; - case DB_DATA_TYPE_FLOAT: - fSqlType = pDb->GetTypeInfFloat().FsqlType; - precision = pDb->GetTypeInfFloat().Precision; - 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. - //if (scale < 0) - // scale = (short) precision; - colDefs[i].CbValue = 0; - break; - case DB_DATA_TYPE_DATE: - fSqlType = pDb->GetTypeInfDate().FsqlType; - precision = pDb->GetTypeInfDate().Precision; - scale = 0; - colDefs[i].CbValue = 0; - break; - } - - if (SQLBindParameter(hstmtUpdate, colNo++, SQL_PARAM_INPUT, colDefs[i].SqlCtype, - fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, - precision+1, &colDefs[i].CbValue) != SQL_SUCCESS) - { - return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate)); - } - } - - // Completed successfully - return(TRUE); - + return bindParams(true); } // wxDbTable::bindUpdateParams() /********** wxDbTable::bindCols() **********/ bool wxDbTable::bindCols(HSTMT cursor) { - static SDWORD cb; - + static SQLLEN cb; + // Bind each column of the table to a memory address for fetching data - int i; - for (i = 0; i < noCols; i++) + UWORD i; + for (i = 0; i < m_numCols; i++) { - if (SQLBindCol(cursor, i+1, colDefs[i].SqlCtype, (UCHAR*) colDefs[i].PtrDataObj, - colDefs[i].SzDataObj, &cb) != SQL_SUCCESS) - { + cb = colDefs[i].CbValue; + if (SQLBindCol(cursor, (UWORD)(i+1), colDefs[i].SqlCtype, (UCHAR*) colDefs[i].PtrDataObj, + colDefs[i].SzDataObj, &cb ) != SQL_SUCCESS) return (pDb->DispAllErrors(henv, hdbc, cursor)); - } } // Completed successfully - return(TRUE); + return true; } // wxDbTable::bindCols() @@ -504,17 +586,25 @@ bool wxDbTable::getRec(UWORD fetchType) if (!pDb->FwdOnlyCursors()) { // Fetch the NEXT, PREV, FIRST or LAST record, depending on fetchType - UDWORD cRowsFetched; + SQLULEN cRowsFetched; 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); + return false; else return(pDb->DispAllErrors(henv, hdbc, hstmt)); } + else + { + // Set the Null member variable to indicate the Null state + // of each column just read in. + int i; + for (i = 0; i < m_numCols; i++) + colDefs[i].Null = (colDefs[i].CbValue == SQL_NULL_DATA); + } } else { @@ -523,55 +613,112 @@ bool wxDbTable::getRec(UWORD fetchType) if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) { if (retcode == SQL_NO_DATA_FOUND) - return(FALSE); + return false; else return(pDb->DispAllErrors(henv, hdbc, hstmt)); } + else + { + // Set the Null member variable to indicate the Null state + // of each column just read in. + int i; + for (i = 0; i < m_numCols; i++) + colDefs[i].Null = (colDefs[i].CbValue == SQL_NULL_DATA); + } } // Completed successfully - return(TRUE); + return true; } // wxDbTable::getRec() /********** wxDbTable::execDelete() **********/ -bool wxDbTable::execDelete(const char *pSqlStmt) +bool wxDbTable::execDelete(const wxString &pSqlStmt) { + RETCODE retcode; + // Execute the DELETE statement - if (SQLExecDirect(hstmtDelete, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS) - return(pDb->DispAllErrors(henv, hdbc, hstmtDelete)); + retcode = SQLExecDirect(hstmtDelete, (SQLTCHAR FAR *) pSqlStmt.c_str(), SQL_NTS); + + if (retcode == SQL_SUCCESS || + retcode == SQL_NO_DATA_FOUND || + retcode == SQL_SUCCESS_WITH_INFO) + { + // Record deleted successfully + return true; + } - // Record deleted successfully - return(TRUE); + // Problem deleting record + return(pDb->DispAllErrors(henv, hdbc, hstmtDelete)); } // wxDbTable::execDelete() /********** wxDbTable::execUpdate() **********/ -bool wxDbTable::execUpdate(const char *pSqlStmt) +bool wxDbTable::execUpdate(const wxString &pSqlStmt) { + RETCODE retcode; + // Execute the UPDATE statement - if (SQLExecDirect(hstmtUpdate, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS) - return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate)); + retcode = SQLExecDirect(hstmtUpdate, (SQLTCHAR FAR *) pSqlStmt.c_str(), SQL_NTS); + + 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; + retcode = SQLParamData(hstmtUpdate, &pParmID); + while (retcode == SQL_NEED_DATA) + { + // Find the parameter + int i; + for (i=0; i < m_numCols; 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; + } + } + retcode = SQLParamData(hstmtUpdate, &pParmID); + } + if (retcode == SQL_SUCCESS || + retcode == SQL_NO_DATA_FOUND || + retcode == SQL_SUCCESS_WITH_INFO) + { + // Record updated successfully + return true; + } + } - // Record deleted successfully - return(TRUE); + // Problem updating record + return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate)); } // wxDbTable::execUpdate() /********** wxDbTable::query() **********/ -bool wxDbTable::query(int queryType, bool forUpdate, bool distinct, const char *pSqlStmt) +bool wxDbTable::query(int queryType, bool forUpdate, bool distinct, const wxString &pSqlStmt) { - char sqlStmt[DB_MAX_STATEMENT_LEN]; + wxString sqlStmt; - // Set the selectForUpdate member variable if (forUpdate) // The user may wish to select for update, but the DBMS may not be capable selectForUpdate = CanSelectForUpdate(); else - selectForUpdate = FALSE; + selectForUpdate = false; // Set the SQL SELECT string if (queryType != DB_SELECT_STATEMENT) // A select statement was not passed in, @@ -579,30 +726,19 @@ bool wxDbTable::query(int queryType, bool forUpdate, bool distinct, const char * BuildSelectStmt(sqlStmt, queryType, distinct); pDb->WriteSqlLog(sqlStmt); } - 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); + if (!CloseCursor(hstmt)) + return false; // Execute the SQL SELECT statement - int retcode; - retcode = SQLExecDirect(hstmt, (UCHAR FAR *) (queryType == DB_SELECT_STATEMENT ? pSqlStmt : sqlStmt), SQL_NTS); + int retcode; + retcode = SQLExecDirect(hstmt, (SQLTCHAR 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)); // Completed successfully - return(TRUE); + return true; } // wxDbTable::query() @@ -611,28 +747,73 @@ bool wxDbTable::query(int queryType, bool forUpdate, bool distinct, const char * /********** wxDbTable::Open() **********/ -bool wxDbTable::Open(void) +bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists) { if (!pDb) - return FALSE; + return false; int i; wxString sqlStmt; + wxString s; + + // Calculate the maximum size of the concatenated + // keys for use with wxDbGrid + m_keysize = 0; + for (i=0; i < m_numCols; i++) + { + if (colDefs[i].KeyField) + { + m_keysize += colDefs[i].SzDataObj; + } + } + + s.Empty(); + + bool exists = true; + if (checkTableExists) + { + if (pDb->Dbms() == dbmsPOSTGRES) + exists = pDb->TableExists(tableName, NULL, tablePath); + else + exists = pDb->TableExists(tableName, pDb->GetUsername(), tablePath); + } // Verify that the table exists in the database - if (!pDb->TableExists(tableName,pDb->GetUsername(),tablePath)) + if (!exists) { - wxString s; - if (wxStrcmp(tablePath,"")) - s.sprintf(wxT("Error opening '%s/%s'.\n"),tablePath,tableName); + s = wxT("Table/view does not exist in the database"); + if ( *(pDb->dbInf.accessibleTables) == wxT('Y')) + s += wxT(", or you have no permissions.\n"); else - s.sprintf(wxT("Error opening '%s'.\n"), tableName); - if (!pDb->TableExists(tableName,NULL,tablePath)) - s += wxT("Table/view does not exist in the database.\n"); + s += wxT(".\n"); + } + else if (checkPrivileges) + { + // Verify the user has rights to access the table. + bool hasPrivs wxDUMMY_INITIALIZE(true); + + if (pDb->Dbms() == dbmsPOSTGRES) + hasPrivs = pDb->TablePrivileges(tableName, wxT("SELECT"), pDb->GetUsername(), NULL, tablePath); + else + hasPrivs = pDb->TablePrivileges(tableName, wxT("SELECT"), pDb->GetUsername(), pDb->GetUsername(), tablePath); + + if (!hasPrivs) + s = wxT("Connecting user does not have sufficient privileges to access this table.\n"); + } + + if (!s.empty()) + { + wxString p; + + if (!tablePath.empty()) + p.Printf(wxT("Error opening '%s/%s'.\n"),tablePath.c_str(),tableName.c_str()); else - s += wxT("Current logged in user does not have sufficient privileges to access this table.\n"); - pDb->LogError(s.c_str()); - return(FALSE); + p.Printf(wxT("Error opening '%s'.\n"), tableName.c_str()); + + p += s; + pDb->LogError(p.GetData()); + + return false; } // Bind the member variables for field exchange between @@ -640,65 +821,66 @@ bool wxDbTable::Open(void) if (!queryOnly) { if (!bindInsertParams()) // Inserts - return(FALSE); - + return false; + if (!bindUpdateParams()) // Updates - return(FALSE); + return false; } if (!bindCols(*hstmtDefault)) // Selects - return(FALSE); - + return false; + if (!bindCols(hstmtInternal)) // Internal use only - return(FALSE); - - /* + return false; + + /* * Do NOT bind the hstmtCount cursor!!! */ // Build an insert statement using parameter markers - if (!queryOnly && noCols > 0) + if (!queryOnly && m_numCols > 0) { - bool needComma = FALSE; - sqlStmt.sprintf("INSERT INTO %s (", tableName); - for (i = 0; i < noCols; i++) + bool needComma = false; + sqlStmt.Printf(wxT("INSERT INTO %s ("), + pDb->SQLTableName(tableName.c_str()).c_str()); + for (i = 0; i < m_numCols; i++) { if (! colDefs[i].InsertAllowed) continue; if (needComma) - sqlStmt += ","; - sqlStmt += colDefs[i].ColName; - needComma = TRUE; + sqlStmt += wxT(","); + sqlStmt += pDb->SQLColumnName(colDefs[i].ColName); + needComma = true; } - needComma = FALSE; - sqlStmt += ") VALUES ("; + needComma = false; + sqlStmt += wxT(") VALUES ("); int insertableCount = 0; - for (i = 0; i < noCols; i++) + for (i = 0; i < m_numCols; i++) { if (! colDefs[i].InsertAllowed) continue; if (needComma) - sqlStmt += ","; - sqlStmt += "?"; - needComma = TRUE; + sqlStmt += wxT(","); + sqlStmt += wxT("?"); + needComma = true; insertableCount++; } - sqlStmt += ")"; - + sqlStmt += wxT(")"); + // Prepare the insert statement for execution - if (insertableCount) + if (insertableCount) { - if (SQLPrepare(hstmtInsert, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) + if (SQLPrepare(hstmtInsert, (SQLTCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) return(pDb->DispAllErrors(henv, hdbc, hstmtInsert)); } - else - insertable= FALSE; + else + insertable = false; } - + // Completed successfully - return(TRUE); + return true; } // wxDbTable::Open() @@ -713,11 +895,11 @@ bool wxDbTable::Query(bool forUpdate, bool distinct) /********** wxDbTable::QueryBySqlStmt() **********/ -bool wxDbTable::QueryBySqlStmt(const char *pSqlStmt) +bool wxDbTable::QueryBySqlStmt(const wxString &pSqlStmt) { pDb->WriteSqlLog(pSqlStmt); - return(query(DB_SELECT_STATEMENT, FALSE, FALSE, pSqlStmt)); + return(query(DB_SELECT_STATEMENT, false, false, pSqlStmt)); } // wxDbTable::QueryBySqlStmt() @@ -746,7 +928,7 @@ bool wxDbTable::GetPrev(void) if (pDb->FwdOnlyCursors()) { wxFAIL_MSG(wxT("GetPrev()::Backward scrolling cursors are not enabled for this instance of wxDbTable")); - return FALSE; + return false; } else return(getRec(SQL_FETCH_PRIOR)); @@ -760,7 +942,7 @@ bool wxDbTable::operator--(int) if (pDb->FwdOnlyCursors()) { wxFAIL_MSG(wxT("operator--:Backward scrolling cursors are not enabled for this instance of wxDbTable")); - return FALSE; + return false; } else return(getRec(SQL_FETCH_PRIOR)); @@ -774,7 +956,7 @@ bool wxDbTable::GetFirst(void) if (pDb->FwdOnlyCursors()) { wxFAIL_MSG(wxT("GetFirst():Backward scrolling cursors are not enabled for this instance of wxDbTable")); - return FALSE; + return false; } else return(getRec(SQL_FETCH_FIRST)); @@ -788,72 +970,146 @@ bool wxDbTable::GetLast(void) if (pDb->FwdOnlyCursors()) { wxFAIL_MSG(wxT("GetLast()::Backward scrolling cursors are not enabled for this instance of wxDbTable")); - return FALSE; + return false; } - else + else return(getRec(SQL_FETCH_LAST)); } // wxDbTable::GetLast() -/********** wxDbTable::BuildSelectStmt() **********/ -void wxDbTable::BuildSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct) +/********** wxDbTable::BuildDeleteStmt() **********/ +void wxDbTable::BuildDeleteStmt(wxString &pSqlStmt, int typeOfDel, const wxString &pWhereClause) { - char whereClause[DB_MAX_WHERE_CLAUSE_LEN]; + wxASSERT(!queryOnly); + if (queryOnly) + return; - whereClause[0] = 0; + wxString whereClause; - // Build a select statement to query the database - wxStrcpy(pSqlStmt, "SELECT "); + whereClause.Empty(); - // SELECT DISTINCT values only? - if (distinct) - wxStrcat(pSqlStmt, "DISTINCT "); + // Handle the case of DeleteWhere() and the where clause is blank. It should + // delete all records from the database in this case. + if (typeOfDel == DB_DEL_WHERE && (pWhereClause.length() == 0)) + { + pSqlStmt.Printf(wxT("DELETE FROM %s"), + pDb->SQLTableName(tableName.c_str()).c_str()); + return; + } - // Was a FROM clause specified to join tables to the base table? - // Available for ::Query() only!!! - bool appendFromClause = FALSE; + 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) + { + case DB_DEL_KEYFIELDS: + // If the datasource supports the ROWID column, build + // the where on ROWID for efficiency purposes. + // e.g. DELETE FROM PARTS WHERE ROWID = '111.222.333' + if (CanUpdateByROWID()) + { + SQLLEN cb; + wxChar rowid[wxDB_ROWID_LEN+1]; + + // Get the ROWID value. If not successful retreiving the ROWID, + // simply fall down through the code and build the WHERE clause + // based on the key fields. + if (SQLGetData(hstmt, (UWORD)(m_numCols+1), SQL_C_WXCHAR, (UCHAR*) rowid, sizeof(rowid), &cb) == SQL_SUCCESS) + { + pSqlStmt += wxT("ROWID = '"); + pSqlStmt += rowid; + pSqlStmt += wxT("'"); + break; + } + } + // Unable to delete by ROWID, so build a WHERE + // clause based on the keyfields. + BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS); + pSqlStmt += whereClause; + break; + case DB_DEL_WHERE: + pSqlStmt += pWhereClause; + break; + case DB_DEL_MATCHING: + BuildWhereClause(whereClause, DB_WHERE_MATCHING); + pSqlStmt += whereClause; + break; + } + +} // BuildDeleteStmt() + + +/***** DEPRECATED: use wxDbTable::BuildDeleteStmt(wxString &....) form *****/ +void wxDbTable::BuildDeleteStmt(wxChar *pSqlStmt, int typeOfDel, const wxString &pWhereClause) +{ + wxString tempSqlStmt; + BuildDeleteStmt(tempSqlStmt, typeOfDel, pWhereClause); + wxStrcpy(pSqlStmt, tempSqlStmt); +} // wxDbTable::BuildDeleteStmt() + + +/********** wxDbTable::BuildSelectStmt() **********/ +void wxDbTable::BuildSelectStmt(wxString &pSqlStmt, int typeOfSelect, bool distinct) +{ + wxString whereClause; + whereClause.Empty(); + + // Build a select statement to query the database + pSqlStmt = wxT("SELECT "); + + // SELECT DISTINCT values only? + if (distinct) + pSqlStmt += wxT("DISTINCT "); + + // Was a FROM clause specified to join tables to the base table? + // Available for ::Query() only!!! + bool appendFromClause = false; #if wxODBC_BACKWARD_COMPATABILITY if (typeOfSelect == DB_SELECT_WHERE && from && wxStrlen(from)) - appendFromClause = TRUE; + appendFromClause = true; #else - if (typeOfSelect == DB_SELECT_WHERE && from.Length()) - appendFromClause = TRUE; + if (typeOfSelect == DB_SELECT_WHERE && from.length()) + appendFromClause = true; #endif // Add the column list int i; - for (i = 0; i < noCols; i++) + wxString tStr; + for (i = 0; i < m_numCols; i++) { + tStr = colDefs[i].ColName; // If joining tables, the base table column names must be qualified to avoid ambiguity - if (appendFromClause) + if ((appendFromClause || pDb->Dbms() == dbmsACCESS) && tStr.Find(wxT('.')) == wxNOT_FOUND) { - wxStrcat(pSqlStmt, queryTableName); - wxStrcat(pSqlStmt, "."); + pSqlStmt += pDb->SQLTableName(queryTableName.c_str()); + pSqlStmt += wxT("."); } - wxStrcat(pSqlStmt, colDefs[i].ColName); - if (i + 1 < noCols) - wxStrcat(pSqlStmt, ","); + pSqlStmt += pDb->SQLColumnName(colDefs[i].ColName); + if (i + 1 < m_numCols) + pSqlStmt += wxT(","); } // If the datasource supports ROWID, get this column as well. Exception: Don't retrieve // the ROWID if querying distinct records. The rowid will always be unique. - if (!distinct && CanUpdByROWID()) + if (!distinct && CanUpdateByROWID()) { // If joining tables, the base table column names must be qualified to avoid ambiguity - if (appendFromClause) + if (appendFromClause || pDb->Dbms() == dbmsACCESS) { - wxStrcat(pSqlStmt, ","); - wxStrcat(pSqlStmt, queryTableName); - wxStrcat(pSqlStmt, ".ROWID"); + pSqlStmt += wxT(","); + pSqlStmt += pDb->SQLTableName(queryTableName); + pSqlStmt += wxT(".ROWID"); } else - wxStrcat(pSqlStmt, ",ROWID"); + pSqlStmt += wxT(",ROWID"); } // Append the FROM tablename portion - wxStrcat(pSqlStmt, " FROM "); - wxStrcat(pSqlStmt, queryTableName); + pSqlStmt += wxT(" FROM "); + 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. @@ -861,10 +1117,10 @@ void wxDbTable::BuildSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct) // NOHOLDLOCK (the default). Note: The "FOR UPDATE" clause // is parsed but ignored in SYBASE Transact-SQL. if (selectForUpdate && (pDb->Dbms() == dbmsSYBASE_ASA || pDb->Dbms() == dbmsSYBASE_ASE)) - wxStrcat(pSqlStmt, " HOLDLOCK"); + pSqlStmt += wxT(" HOLDLOCK"); if (appendFromClause) - wxStrcat(pSqlStmt, from); + pSqlStmt += from; // Append the WHERE clause. Either append the where clause for the class // or build a where clause. The typeOfSelect determines this. @@ -874,27 +1130,27 @@ void wxDbTable::BuildSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct) #if wxODBC_BACKWARD_COMPATABILITY if (where && wxStrlen(where)) // May not want a where clause!!! #else - if (where.Length()) // May not want a where clause!!! + if (where.length()) // May not want a where clause!!! #endif { - wxStrcat(pSqlStmt, " WHERE "); - wxStrcat(pSqlStmt, where); + pSqlStmt += wxT(" WHERE "); + pSqlStmt += where; } break; case DB_SELECT_KEYFIELDS: BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS); - if (wxStrlen(whereClause)) + if (whereClause.length()) { - wxStrcat(pSqlStmt, " WHERE "); - wxStrcat(pSqlStmt, whereClause); + pSqlStmt += wxT(" WHERE "); + pSqlStmt += whereClause; } break; case DB_SELECT_MATCHING: BuildWhereClause(whereClause, DB_WHERE_MATCHING); - if (wxStrlen(whereClause)) + if (whereClause.length()) { - wxStrcat(pSqlStmt, " WHERE "); - wxStrcat(pSqlStmt, whereClause); + pSqlStmt += wxT(" WHERE "); + pSqlStmt += whereClause; } break; } @@ -903,22 +1159,206 @@ void wxDbTable::BuildSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct) #if wxODBC_BACKWARD_COMPATABILITY if (orderBy && wxStrlen(orderBy)) #else - if (orderBy.Length()) + if (orderBy.length()) #endif { - wxStrcat(pSqlStmt, " ORDER BY "); - wxStrcat(pSqlStmt, orderBy); + pSqlStmt += wxT(" ORDER BY "); + pSqlStmt += orderBy; } // SELECT FOR UPDATE if told to do so and the datasource is capable. Sybase // parses the FOR UPDATE clause but ignores it. See the comment above on the // HOLDLOCK for Sybase. if (selectForUpdate && CanSelectForUpdate()) - wxStrcat(pSqlStmt, " FOR UPDATE"); + pSqlStmt += wxT(" FOR UPDATE"); } // wxDbTable::BuildSelectStmt() +/***** DEPRECATED: use wxDbTable::BuildSelectStmt(wxString &....) form *****/ +void wxDbTable::BuildSelectStmt(wxChar *pSqlStmt, int typeOfSelect, bool distinct) +{ + wxString tempSqlStmt; + BuildSelectStmt(tempSqlStmt, typeOfSelect, distinct); + wxStrcpy(pSqlStmt, tempSqlStmt); +} // wxDbTable::BuildSelectStmt() + + +/********** wxDbTable::BuildUpdateStmt() **********/ +void wxDbTable::BuildUpdateStmt(wxString &pSqlStmt, int typeOfUpdate, const wxString &pWhereClause) +{ + wxASSERT(!queryOnly); + if (queryOnly) + return; + + wxString whereClause; + whereClause.Empty(); + + bool firstColumn = true; + + pSqlStmt.Printf(wxT("UPDATE %s SET "), + pDb->SQLTableName(tableName.c_str()).c_str()); + + // Append a list of columns to be updated + int i; + for (i = 0; i < m_numCols; i++) + { + // Only append Updateable columns + if (colDefs[i].Updateable) + { + if (!firstColumn) + pSqlStmt += wxT(","); + else + firstColumn = false; + + pSqlStmt += pDb->SQLColumnName(colDefs[i].ColName); +// pSqlStmt += colDefs[i].ColName; + pSqlStmt += wxT(" = ?"); + } + } + + // Append the WHERE clause to the SQL UPDATE statement + pSqlStmt += wxT(" WHERE "); + switch(typeOfUpdate) + { + case DB_UPD_KEYFIELDS: + // If the datasource supports the ROWID column, build + // the where on ROWID for efficiency purposes. + // e.g. UPDATE PARTS SET Col1 = ?, Col2 = ? WHERE ROWID = '111.222.333' + if (CanUpdateByROWID()) + { + SQLLEN cb; + wxChar rowid[wxDB_ROWID_LEN+1]; + + // Get the ROWID value. If not successful retreiving the ROWID, + // simply fall down through the code and build the WHERE clause + // based on the key fields. + if (SQLGetData(hstmt, (UWORD)(m_numCols+1), SQL_C_WXCHAR, (UCHAR*) rowid, sizeof(rowid), &cb) == SQL_SUCCESS) + { + pSqlStmt += wxT("ROWID = '"); + pSqlStmt += rowid; + pSqlStmt += wxT("'"); + break; + } + } + // Unable to delete by ROWID, so build a WHERE + // clause based on the keyfields. + BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS); + pSqlStmt += whereClause; + break; + case DB_UPD_WHERE: + pSqlStmt += pWhereClause; + break; + } +} // BuildUpdateStmt() + + +/***** DEPRECATED: use wxDbTable::BuildUpdateStmt(wxString &....) form *****/ +void wxDbTable::BuildUpdateStmt(wxChar *pSqlStmt, int typeOfUpdate, const wxString &pWhereClause) +{ + wxString tempSqlStmt; + BuildUpdateStmt(tempSqlStmt, typeOfUpdate, pWhereClause); + wxStrcpy(pSqlStmt, tempSqlStmt); +} // BuildUpdateStmt() + + +/********** wxDbTable::BuildWhereClause() **********/ +void wxDbTable::BuildWhereClause(wxString &pWhereClause, int typeOfWhere, + const wxString &qualTableName, bool useLikeComparison) +/* + * Note: BuildWhereClause() currently ignores timestamp columns. + * They are not included as part of the where clause. + */ +{ + bool moreThanOneColumn = false; + wxString colValue; + + // Loop through the columns building a where clause as you go + int colNumber; + for (colNumber = 0; colNumber < m_numCols; colNumber++) + { + // Determine if this column should be included in the WHERE clause + if ((typeOfWhere == DB_WHERE_KEYFIELDS && colDefs[colNumber].KeyField) || + (typeOfWhere == DB_WHERE_MATCHING && (!IsColNull((UWORD)colNumber)))) + { + // Skip over timestamp columns + if (colDefs[colNumber].SqlCtype == SQL_C_TIMESTAMP) + continue; + // If there is more than 1 column, join them with the keyword "AND" + if (moreThanOneColumn) + pWhereClause += wxT(" AND "); + else + moreThanOneColumn = true; + + // Concatenate where phrase for the column + wxString tStr = colDefs[colNumber].ColName; + + if (qualTableName.length() && tStr.Find(wxT('.')) == wxNOT_FOUND) + { + pWhereClause += pDb->SQLTableName(qualTableName); + pWhereClause += wxT("."); + } + pWhereClause += pDb->SQLColumnName(colDefs[colNumber].ColName); + + if (useLikeComparison && (colDefs[colNumber].SqlCtype == SQL_C_WXCHAR)) + pWhereClause += wxT(" LIKE "); + else + pWhereClause += wxT(" = "); + + switch(colDefs[colNumber].SqlCtype) + { + case SQL_C_CHAR: +#ifdef SQL_C_WCHAR + case SQL_C_WCHAR: +#endif + //case SQL_C_WXCHAR: SQL_C_WXCHAR is covered by either SQL_C_CHAR or SQL_C_WCHAR + colValue.Printf(wxT("'%s'"), (UCHAR FAR *) colDefs[colNumber].PtrDataObj); + break; + case SQL_C_SHORT: + case SQL_C_SSHORT: + colValue.Printf(wxT("%hi"), *((SWORD *) colDefs[colNumber].PtrDataObj)); + break; + case SQL_C_USHORT: + colValue.Printf(wxT("%hu"), *((UWORD *) colDefs[colNumber].PtrDataObj)); + break; + case SQL_C_LONG: + case SQL_C_SLONG: + colValue.Printf(wxT("%li"), *((SDWORD *) colDefs[colNumber].PtrDataObj)); + break; + case SQL_C_ULONG: + colValue.Printf(wxT("%lu"), *((UDWORD *) colDefs[colNumber].PtrDataObj)); + break; + case SQL_C_FLOAT: + colValue.Printf(wxT("%.6f"), *((SFLOAT *) colDefs[colNumber].PtrDataObj)); + break; + case SQL_C_DOUBLE: + colValue.Printf(wxT("%.6f"), *((SDOUBLE *) colDefs[colNumber].PtrDataObj)); + break; + default: + { + wxString strMsg; + strMsg.Printf(wxT("wxDbTable::bindParams(): Unknown column type for colDefs %d colName %s"), + colNumber,colDefs[colNumber].ColName); + wxFAIL_MSG(strMsg.c_str()); + } + break; + } + pWhereClause += colValue; + } + } +} // wxDbTable::BuildWhereClause() + + +/***** DEPRECATED: use wxDbTable::BuildWhereClause(wxString &....) form *****/ +void wxDbTable::BuildWhereClause(wxChar *pWhereClause, int typeOfWhere, + const wxString &qualTableName, bool useLikeComparison) +{ + wxString tempSqlStmt; + BuildWhereClause(tempSqlStmt, typeOfWhere, qualTableName, useLikeComparison); + wxStrcpy(pWhereClause, tempSqlStmt); +} // wxDbTable::BuildWhereClause() + + /********** wxDbTable::GetRowNum() **********/ UWORD wxDbTable::GetRowNum(void) { @@ -943,7 +1383,7 @@ bool wxDbTable::CloseCursor(HSTMT cursor) return(pDb->DispAllErrors(henv, hdbc, cursor)); // Completed successfully - return(TRUE); + return true; } // wxDbTable::CloseCursor() @@ -952,40 +1392,46 @@ bool wxDbTable::CloseCursor(HSTMT cursor) bool wxDbTable::CreateTable(bool attemptDrop) { if (!pDb) - return FALSE; + return false; int i, j; wxString sqlStmt; #ifdef DBDEBUG_CONSOLE - cout << "Creating Table " << tableName << "..." << endl; + cout << wxT("Creating Table ") << tableName << wxT("...") << endl; #endif // Drop table first if (attemptDrop && !DropTable()) - return FALSE; + return false; // Create the table #ifdef DBDEBUG_CONSOLE - for (i = 0; i < noCols; i++) + for (i = 0; i < m_numCols; i++) { // Exclude derived columns since they are NOT part of the base table if (colDefs[i].DerivedCol) continue; - cout << i + 1 << ": " << colDefs[i].ColName << "; "; + cout << i + 1 << wxT(": ") << colDefs[i].ColName << wxT("; "); switch(colDefs[i].DbDataType) { case DB_DATA_TYPE_VARCHAR: - cout << pDb->typeInfVarchar.TypeName << "(" << colDefs[i].SzDataObj << ")"; + cout << pDb->GetTypeInfVarchar().TypeName << wxT("(") << (int)(colDefs[i].SzDataObj / sizeof(wxChar)) << wxT(")"); + break; + case DB_DATA_TYPE_MEMO: + cout << pDb->GetTypeInfMemo().TypeName; 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->GetTypeInfBlob().TypeName; break; } cout << endl; @@ -993,26 +1439,32 @@ bool wxDbTable::CreateTable(bool attemptDrop) #endif // Build a CREATE TABLE string from the colDefs structure. - bool needComma = FALSE; - sqlStmt.sprintf("CREATE TABLE %s (", tableName); + bool needComma = false; + + sqlStmt.Printf(wxT("CREATE TABLE %s ("), + pDb->SQLTableName(tableName.c_str()).c_str()); - for (i = 0; i < noCols; i++) + for (i = 0; i < m_numCols; i++) { // Exclude derived columns since they are NOT part of the base table if (colDefs[i].DerivedCol) continue; // Comma Delimiter if (needComma) - sqlStmt += ","; + sqlStmt += wxT(","); // Column Name - sqlStmt += colDefs[i].ColName; - sqlStmt += " "; + sqlStmt += pDb->SQLColumnName(colDefs[i].ColName); +// sqlStmt += colDefs[i].ColName; + sqlStmt += wxT(" "); // Column Type switch(colDefs[i].DbDataType) { case DB_DATA_TYPE_VARCHAR: sqlStmt += pDb->GetTypeInfVarchar().TypeName; break; + case DB_DATA_TYPE_MEMO: + sqlStmt += pDb->GetTypeInfMemo().TypeName; + break; case DB_DATA_TYPE_INTEGER: sqlStmt += pDb->GetTypeInfInteger().TypeName; break; @@ -1022,30 +1474,37 @@ bool wxDbTable::CreateTable(bool attemptDrop) case DB_DATA_TYPE_DATE: sqlStmt += pDb->GetTypeInfDate().TypeName; break; + case DB_DATA_TYPE_BLOB: + sqlStmt += pDb->GetTypeInfBlob().TypeName; + 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 != _T("text")))// || +// colDefs[i].DbDataType == DB_DATA_TYPE_BLOB) { wxString s; - // wxStrcat(sqlStmt, "("); - // wxStrcat(sqlStmt, itoa(colDefs[i].SzDataObj, s, 10)); - // wxStrcat(sqlStmt, ")"); - s.sprintf("(%d)", colDefs[i].SzDataObj); - sqlStmt += s.c_str(); + s.Printf(wxT("(%d)"), (int)(colDefs[i].SzDataObj / sizeof(wxChar))); + sqlStmt += s; } - if (pDb->Dbms() == dbmsSYBASE_ASE || pDb->Dbms() == dbmsMY_SQL) + if (pDb->Dbms() == dbmsDB2 || + pDb->Dbms() == dbmsMY_SQL || + pDb->Dbms() == dbmsSYBASE_ASE || + pDb->Dbms() == dbmsINTERBASE || + pDb->Dbms() == dbmsFIREBIRD || + pDb->Dbms() == dbmsMS_SQL_SERVER) { if (colDefs[i].KeyField) { - sqlStmt += " NOT NULL"; + sqlStmt += wxT(" NOT NULL"); } } - - needComma = TRUE; + + needComma = true; } // If there is a primary key defined, include it in the create statement - for (i = j = 0; i < noCols; i++) + for (i = j = 0; i < m_numCols; i++) { if (colDefs[i].KeyField) { @@ -1053,59 +1512,98 @@ 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 { - if (pDb->Dbms() != dbmsMY_SQL) - { - sqlStmt += ",CONSTRAINT "; - sqlStmt += tableName; - sqlStmt += "_PIDX PRIMARY KEY ("; - } - else + switch (pDb->Dbms()) { - /* MySQL goes out on this one. We also declare the relevant key NON NULL above */ - sqlStmt += ", PRIMARY KEY ("; + case dbmsACCESS: + case dbmsINFORMIX: + case dbmsSYBASE_ASA: + case dbmsSYBASE_ASE: + case dbmsMY_SQL: + case dbmsFIREBIRD: + { + // MySQL goes out on this one. We also declare the relevant key NON NULL above + sqlStmt += wxT(",PRIMARY KEY ("); + break; + } + default: + { + sqlStmt += wxT(",CONSTRAINT "); + // 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; + } } // List column name(s) of column(s) comprising the primary key - for (i = j = 0; i < noCols; i++) + for (i = j = 0; i < m_numCols; i++) { if (colDefs[i].KeyField) { if (j++) // Multi part key, comma separate names - sqlStmt += ","; - sqlStmt += colDefs[i].ColName; + sqlStmt += wxT(","); + sqlStmt += pDb->SQLColumnName(colDefs[i].ColName); + + if (pDb->Dbms() == dbmsMY_SQL && + colDefs[i].DbDataType == DB_DATA_TYPE_VARCHAR) + { + wxString s; + s.Printf(wxT("(%d)"), (int)(colDefs[i].SzDataObj / sizeof(wxChar))); + sqlStmt += s; + } } } - sqlStmt += ")"; + sqlStmt += wxT(")"); + + 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 += ")"; + sqlStmt += wxT(")"); - pDb->WriteSqlLog(sqlStmt.c_str()); + pDb->WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE cout << endl << sqlStmt.c_str() << endl; #endif // Execute the CREATE TABLE statement - RETCODE retcode = SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS); + RETCODE retcode = SQLExecDirect(hstmt, (SQLTCHAR FAR *) sqlStmt.c_str(), SQL_NTS); if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) { pDb->DispAllErrors(henv, hdbc, hstmt); pDb->RollbackTrans(); CloseCursor(hstmt); - return(FALSE); + return false; } // Commit the transaction and close the cursor if (!pDb->CommitTrans()) - return(FALSE); + return false; if (!CloseCursor(hstmt)) - return(FALSE); + return false; // Database table created successfully - return(TRUE); + return true; } // wxDbTable::CreateTable() @@ -1113,59 +1611,64 @@ bool wxDbTable::CreateTable(bool attemptDrop) /********** wxDbTable::DropTable() **********/ bool wxDbTable::DropTable() { - // NOTE: This function returns TRUE if the Table does not exist, but + // NOTE: This function returns true if the Table does not exist, but // only for identified databases. Code will need to be added // below for any other databases when those databases are defined // to handle this situation consistently wxString sqlStmt; - sqlStmt.sprintf("DROP TABLE %s", tableName); + sqlStmt.Printf(wxT("DROP TABLE %s"), + pDb->SQLTableName(tableName.c_str()).c_str()); - pDb->WriteSqlLog(sqlStmt.c_str()); + pDb->WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE cout << endl << sqlStmt.c_str() << endl; #endif - if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) + RETCODE retcode = SQLExecDirect(hstmt, (SQLTCHAR 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,"S0002") && wxStrcmp(pDb->sqlState, "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,"42000")) || // 5.x (and lower?) - (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,"37000")) || - (pDb->Dbms() == dbmsPOSTGRES && !wxStrcmp(pDb->sqlState,"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); - return(FALSE); +// CloseCursor(hstmt); + return false; } } } // Commit the transaction and close the cursor if (! pDb->CommitTrans()) - return(FALSE); + return false; if (! CloseCursor(hstmt)) - return(FALSE); + return false; - return(TRUE); + return true; } // wxDbTable::DropTable() /********** wxDbTable::CreateIndex() **********/ -bool wxDbTable::CreateIndex(const char * idxName, bool unique, int noIdxCols, wxDbIdxDef *pIdxDefs, bool attemptDrop) +bool wxDbTable::CreateIndex(const wxString &indexName, bool unique, UWORD numIndexColumns, + wxDbIdxDef *pIndexDefs, bool attemptDrop) { wxString sqlStmt; // Drop the index first - if (attemptDrop && !DropIndex(idxName)) - return (FALSE); + if (attemptDrop && !DropIndex(indexName)) + return false; // MySQL (and possibly Sybase ASE?? - gt) require that any columns which are used as portions // of an index have the columns defined as "NOT NULL". During initial table creation though, @@ -1179,195 +1682,249 @@ bool wxDbTable::CreateIndex(const char * idxName, bool unique, int noIdxCols, wx { wxString sqlStmt; int i; - bool ok = TRUE; - for (i = 0; i < noIdxCols && ok; i++) + bool ok = true; + for (i = 0; i < numIndexColumns && ok; i++) { int j = 0; - bool found = FALSE; + bool found = false; // Find the column definition that has the ColName that matches the // index column name. We need to do this to get the DB_DATA_TYPE of // the index column, as MySQL's syntax for the ALTER column requires // this information - while (!found && (j < this->noCols)) + while (!found && (j < this->m_numCols)) { - if (wxStrcmp(colDefs[j].ColName,pIdxDefs[i].ColName) == 0) - found = TRUE; + if (wxStrcmp(colDefs[j].ColName,pIndexDefs[i].ColName) == 0) + found = true; if (!found) j++; } - + if (found) { - wxString typeNameAndSize; - - switch(colDefs[j].DbDataType) - { - case DB_DATA_TYPE_VARCHAR: - typeNameAndSize = pDb->GetTypeInfVarchar().TypeName; - break; - case DB_DATA_TYPE_INTEGER: - typeNameAndSize = pDb->GetTypeInfInteger().TypeName; - break; - case DB_DATA_TYPE_FLOAT: - typeNameAndSize = pDb->GetTypeInfFloat().TypeName; - break; - case DB_DATA_TYPE_DATE: - typeNameAndSize = pDb->GetTypeInfDate().TypeName; - break; - } - - // For varchars, append the size of the string - if (colDefs[j].DbDataType == DB_DATA_TYPE_VARCHAR) - { - wxString s; - s.sprintf("(%d)", colDefs[i].SzDataObj); - typeNameAndSize += s.c_str(); - } - - sqlStmt.sprintf("ALTER TABLE %s MODIFY %s %s NOT NULL",tableName,pIdxDefs[i].ColName,typeNameAndSize.c_str()); - ok = pDb->ExecSql(sqlStmt.c_str()); - + ok = pDb->ModifyColumn(tableName, pIndexDefs[i].ColName, + colDefs[j].DbDataType, (int)(colDefs[j].SzDataObj / sizeof(wxChar)), + wxT("NOT NULL")); + if (!ok) { + #if 0 + // retcode is not used wxODBC_ERRORS retcode; // Oracle returns a DB_ERR_GENERAL_ERROR if the column is already // defined to be NOT NULL, but reportedly MySQL doesn't mind. // This line is just here for debug checking of the value retcode = (wxODBC_ERRORS)pDb->DB_STATUS; + #endif } } else - ok = FALSE; + ok = false; } if (ok) pDb->CommitTrans(); else { pDb->RollbackTrans(); - return(FALSE); + return false; } } - + // Build a CREATE INDEX statement - sqlStmt = "CREATE "; + sqlStmt = wxT("CREATE "); if (unique) - sqlStmt += "UNIQUE "; - - sqlStmt += "INDEX "; - sqlStmt += idxName; - sqlStmt += " ON "; - sqlStmt += tableName; - sqlStmt += " ("; - + sqlStmt += wxT("UNIQUE "); + + sqlStmt += wxT("INDEX "); + sqlStmt += pDb->SQLTableName(indexName); + sqlStmt += wxT(" ON "); + + sqlStmt += pDb->SQLTableName(tableName); +// sqlStmt += tableName; + sqlStmt += wxT(" ("); + // Append list of columns making up index int i; - for (i = 0; i < noIdxCols; i++) + for (i = 0; i < numIndexColumns; i++) { - sqlStmt += pIdxDefs[i].ColName; - /* Postgres doesn't cope with ASC */ - if (pDb->Dbms() != dbmsPOSTGRES) + sqlStmt += pDb->SQLColumnName(pIndexDefs[i].ColName); +// sqlStmt += pIndexDefs[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 < m_numCols; ++j ) + { + if ( wxStrcmp( pIndexDefs[i].ColName, colDefs[j].ColName ) == 0 ) + { + break; + } + } + if ( colDefs[j].DbDataType == DB_DATA_TYPE_VARCHAR) + { + wxString s; + s.Printf(wxT("(%d)"), (int)(colDefs[i].SzDataObj / sizeof(wxChar))); + sqlStmt += s; + } + } + + // Postgres and SQL Server 7 do not support the ASC/DESC keywords for index columns + if (!((pDb->Dbms() == dbmsMS_SQL_SERVER) && (wxStrncmp(pDb->dbInf.dbmsVer,_T("07"),2)==0)) && + !(pDb->Dbms() == dbmsFIREBIRD) && + !(pDb->Dbms() == dbmsPOSTGRES)) { - if (pIdxDefs[i].Ascending) - sqlStmt += " ASC"; + if (pIndexDefs[i].Ascending) + sqlStmt += wxT(" ASC"); else - sqlStmt += " DESC"; + sqlStmt += wxT(" DESC"); } + else + wxASSERT_MSG(pIndexDefs[i].Ascending, _T("Datasource does not support DESCending index columns")); - if ((i + 1) < noIdxCols) - sqlStmt += ","; + if ((i + 1) < numIndexColumns) + sqlStmt += wxT(","); } - + // Append closing parentheses - sqlStmt += ")"; + sqlStmt += wxT(")"); - pDb->WriteSqlLog(sqlStmt.c_str()); + pDb->WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE cout << endl << sqlStmt.c_str() << endl << endl; #endif // Execute the CREATE INDEX statement - if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) + RETCODE retcode = SQLExecDirect(hstmt, (SQLTCHAR FAR *) sqlStmt.c_str(), SQL_NTS); + if (retcode != SQL_SUCCESS) { pDb->DispAllErrors(henv, hdbc, hstmt); pDb->RollbackTrans(); CloseCursor(hstmt); - return(FALSE); + return false; } // Commit the transaction and close the cursor if (! pDb->CommitTrans()) - return(FALSE); + return false; if (! CloseCursor(hstmt)) - return(FALSE); + return false; // Index Created Successfully - return(TRUE); + return true; } // wxDbTable::CreateIndex() /********** wxDbTable::DropIndex() **********/ -bool wxDbTable::DropIndex(const char * idxName) +bool wxDbTable::DropIndex(const wxString &indexName) { - // NOTE: This function returns TRUE if the Index does not exist, but + // 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.sprintf("DROP INDEX %s ON %s",idxName,tableName); - else if (pDb->Dbms() == dbmsSYBASE_ASE) - sqlStmt.sprintf("DROP INDEX %s.%s",tableName,idxName); + 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(indexName.c_str()).c_str(), + pDb->SQLTableName(tableName.c_str()).c_str()); + else if ((pDb->Dbms() == dbmsMS_SQL_SERVER) || + (pDb->Dbms() == dbmsSYBASE_ASE) || + (pDb->Dbms() == dbmsXBASE_SEQUITER)) + sqlStmt.Printf(wxT("DROP INDEX %s.%s"), + pDb->SQLTableName(tableName.c_str()).c_str(), + pDb->SQLTableName(indexName.c_str()).c_str()); else - sqlStmt.sprintf("DROP INDEX %s",idxName); + sqlStmt.Printf(wxT("DROP INDEX %s"), + pDb->SQLTableName(indexName.c_str()).c_str()); - pDb->WriteSqlLog(sqlStmt.c_str()); + pDb->WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE cout << endl << sqlStmt.c_str() << endl; #endif - - if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) + RETCODE retcode = SQLExecDirect(hstmt, (SQLTCHAR FAR *) sqlStmt.c_str(), SQL_NTS); + if (retcode != SQL_SUCCESS) { // Check for "Index not found" error and ignore pDb->GetNextError(henv, hdbc, hstmt); - if (wxStrcmp(pDb->sqlState,"S0012")) // "Index not found" + if (wxStrcmp(pDb->sqlState,wxT("S0012"))) // "Index not found" { // Check for product specific error codes - if (!((pDb->Dbms() == dbmsSYBASE_ASA && !wxStrcmp(pDb->sqlState,"42000")) || // v5.x (and lower?) - (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,"37000")) || - (pDb->Dbms() == dbmsMS_SQL_SERVER && !wxStrcmp(pDb->sqlState,"S1000")) || - (pDb->Dbms() == dbmsSYBASE_ASE && !wxStrcmp(pDb->sqlState,"S0002")) || // Base table not found - (pDb->Dbms() == dbmsMY_SQL && !wxStrcmp(pDb->sqlState,"42S12")) || // tested by Christopher Ludwik Marino-Cebulski using v3.23.21beta - (pDb->Dbms() == dbmsPOSTGRES && !wxStrcmp(pDb->sqlState,"08S01")) + 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() == dbmsMAXDB && !wxStrcmp(pDb->sqlState,wxT("S1000"))) || + (pDb->Dbms() == dbmsFIREBIRD && !wxStrcmp(pDb->sqlState,wxT("HY000"))) || + (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"))) )) { pDb->DispNextError(); pDb->DispAllErrors(henv, hdbc, hstmt); pDb->RollbackTrans(); CloseCursor(hstmt); - return(FALSE); + return false; } } } // Commit the transaction and close the cursor if (! pDb->CommitTrans()) - return(FALSE); + return false; if (! CloseCursor(hstmt)) - return(FALSE); + return false; - return(TRUE); + return true; } // wxDbTable::DropIndex() +/********** wxDbTable::SetOrderByColNums() **********/ +bool wxDbTable::SetOrderByColNums(UWORD first, ... ) +{ + int colNumber = first; // using 'int' to be able to look for wxDB_NO_MORE_COLUN_NUMBERS + va_list argptr; + + bool abort = false; + wxString tempStr; + + va_start(argptr, first); /* Initialize variable arguments. */ + while (!abort && (colNumber != wxDB_NO_MORE_COLUMN_NUMBERS)) + { + // Make sure the passed in column number + // is within the valid range of columns + // + // Valid columns are 0 thru m_numCols-1 + if (colNumber >= m_numCols || colNumber < 0) + { + abort = true; + continue; + } + + if (colNumber != first) + tempStr += wxT(","); + + tempStr += colDefs[colNumber].ColName; + colNumber = va_arg (argptr, int); + } + va_end (argptr); /* Reset variable arguments. */ + + SetOrderByClause(tempStr); + + return (!abort); +} // wxDbTable::SetOrderByColNums() + + /********** wxDbTable::Insert() **********/ int wxDbTable::Insert(void) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly || !insertable) return(DB_FAILURE); @@ -1375,12 +1932,13 @@ 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) + retcode = SQLExecute(hstmtInsert); + 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); - if (! wxStrcmp(pDb->sqlState, "23000")) // Integrity constraint violated + if (! wxStrcmp(pDb->sqlState, wxT("23000"))) // Integrity constraint violated return(DB_ERR_INTEGRITY_CONSTRAINT_VIOL); else { @@ -1389,6 +1947,40 @@ int wxDbTable::Insert(void) return(DB_FAILURE); } } + if (retcode == SQL_NEED_DATA) + { + PTR pParmID; + retcode = SQLParamData(hstmtInsert, &pParmID); + while (retcode == SQL_NEED_DATA) + { + // Find the parameter + int i; + for (i=0; i < m_numCols; 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; + } + } + retcode = SQLParamData(hstmtInsert, &pParmID); + if (retcode != SQL_SUCCESS && + retcode != SQL_SUCCESS_WITH_INFO) + { + // record was not inserted + pDb->DispNextError(); + pDb->DispAllErrors(henv, hdbc, hstmtInsert); + return(DB_FAILURE); + } + } + } // Record inserted into the datasource successfully return(DB_SUCCESS); @@ -1399,11 +1991,11 @@ int wxDbTable::Insert(void) /********** wxDbTable::Update() **********/ bool wxDbTable::Update(void) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) - return(FALSE); + return false; - char sqlStmt[DB_MAX_STATEMENT_LEN]; + wxString sqlStmt; // Build the SQL UPDATE statement BuildUpdateStmt(sqlStmt, DB_UPD_KEYFIELDS); @@ -1411,7 +2003,7 @@ bool wxDbTable::Update(void) pDb->WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE - cout << endl << sqlStmt << endl << endl; + cout << endl << sqlStmt.c_str() << endl << endl; #endif // Execute the SQL UPDATE statement @@ -1421,11 +2013,11 @@ bool wxDbTable::Update(void) /********** wxDbTable::Update(pSqlStmt) **********/ -bool wxDbTable::Update(const char *pSqlStmt) +bool wxDbTable::Update(const wxString &pSqlStmt) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) - return(FALSE); + return false; pDb->WriteSqlLog(pSqlStmt); @@ -1435,13 +2027,13 @@ bool wxDbTable::Update(const char *pSqlStmt) /********** wxDbTable::UpdateWhere() **********/ -bool wxDbTable::UpdateWhere(const char *pWhereClause) +bool wxDbTable::UpdateWhere(const wxString &pWhereClause) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) - return(FALSE); + return false; - char sqlStmt[DB_MAX_STATEMENT_LEN]; + wxString sqlStmt; // Build the SQL UPDATE statement BuildUpdateStmt(sqlStmt, DB_UPD_WHERE, pWhereClause); @@ -1449,7 +2041,7 @@ bool wxDbTable::UpdateWhere(const char *pWhereClause) pDb->WriteSqlLog(sqlStmt); #ifdef DBDEBUG_CONSOLE - cout << endl << sqlStmt << endl << endl; + cout << endl << sqlStmt.c_str() << endl << endl; #endif // Execute the SQL UPDATE statement @@ -1461,11 +2053,12 @@ bool wxDbTable::UpdateWhere(const char *pWhereClause) /********** wxDbTable::Delete() **********/ bool wxDbTable::Delete(void) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) - return(FALSE); + return false; - char sqlStmt[DB_MAX_STATEMENT_LEN]; + wxString sqlStmt; + sqlStmt.Empty(); // Build the SQL DELETE statement BuildDeleteStmt(sqlStmt, DB_DEL_KEYFIELDS); @@ -1479,13 +2072,14 @@ bool wxDbTable::Delete(void) /********** wxDbTable::DeleteWhere() **********/ -bool wxDbTable::DeleteWhere(const char *pWhereClause) +bool wxDbTable::DeleteWhere(const wxString &pWhereClause) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) - return(FALSE); + return false; - char sqlStmt[DB_MAX_STATEMENT_LEN]; + wxString sqlStmt; + sqlStmt.Empty(); // Build the SQL DELETE statement BuildDeleteStmt(sqlStmt, DB_DEL_WHERE, pWhereClause); @@ -1501,11 +2095,12 @@ bool wxDbTable::DeleteWhere(const char *pWhereClause) /********** wxDbTable::DeleteMatching() **********/ bool wxDbTable::DeleteMatching(void) { - assert(!queryOnly); + wxASSERT(!queryOnly); if (queryOnly) - return(FALSE); + return false; - char sqlStmt[DB_MAX_STATEMENT_LEN]; + wxString sqlStmt; + sqlStmt.Empty(); // Build the SQL DELETE statement BuildDeleteStmt(sqlStmt, DB_DEL_MATCHING); @@ -1518,318 +2113,153 @@ bool wxDbTable::DeleteMatching(void) } // wxDbTable::DeleteMatching() -/********** wxDbTable::BuildUpdateStmt() **********/ -void wxDbTable::BuildUpdateStmt(char *pSqlStmt, int typeOfUpd, const char *pWhereClause) +/********** wxDbTable::IsColNull() **********/ +bool wxDbTable::IsColNull(UWORD colNumber) const { - assert(!queryOnly); - if (queryOnly) - return; - - char whereClause[DB_MAX_WHERE_CLAUSE_LEN]; - bool firstColumn = TRUE; - - whereClause[0] = 0; - sprintf(pSqlStmt, "UPDATE %s SET ", tableName); +/* + This logic is just not right. It would indicate true + if a numeric field were set to a value of 0. - // Append a list of columns to be updated - int i; - for (i = 0; i < noCols; i++) - { - // Only append Updateable columns - if (colDefs[i].Updateable) - { - if (! firstColumn) - wxStrcat(pSqlStmt, ","); - else - firstColumn = FALSE; - wxStrcat(pSqlStmt, colDefs[i].ColName); - wxStrcat(pSqlStmt, " = ?"); - } - } - - // Append the WHERE clause to the SQL UPDATE statement - wxStrcat(pSqlStmt, " WHERE "); - switch(typeOfUpd) - { - case DB_UPD_KEYFIELDS: - // If the datasource supports the ROWID column, build - // the where on ROWID for efficiency purposes. - // e.g. UPDATE PARTS SET Col1 = ?, Col2 = ? WHERE ROWID = '111.222.333' - if (CanUpdByROWID()) - { - SDWORD cb; - char rowid[wxDB_ROWID_LEN]; - - // Get the ROWID value. If not successful retreiving the ROWID, - // simply fall down through the code and build the WHERE clause - // based on the key fields. - if (SQLGetData(hstmt, noCols+1, SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS) - { - wxStrcat(pSqlStmt, "ROWID = '"); - wxStrcat(pSqlStmt, rowid); - wxStrcat(pSqlStmt, "'"); - break; - } - } - // Unable to delete by ROWID, so build a WHERE - // clause based on the keyfields. - BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS); - wxStrcat(pSqlStmt, whereClause); - break; - case DB_UPD_WHERE: - wxStrcat(pSqlStmt, pWhereClause); - break; - } -} // BuildUpdateStmt() - - -/********** wxDbTable::BuildDeleteStmt() **********/ -void wxDbTable::BuildDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereClause) -{ - assert(!queryOnly); - if (queryOnly) - return; - - char whereClause[DB_MAX_WHERE_CLAUSE_LEN]; - - whereClause[0] = 0; - - // Handle the case of DeleteWhere() and the where clause is blank. It should - // delete all records from the database in this case. - if (typeOfDel == DB_DEL_WHERE && (pWhereClause == 0 || wxStrlen(pWhereClause) == 0)) - { - sprintf(pSqlStmt, "DELETE FROM %s", tableName); - return; - } - - sprintf(pSqlStmt, "DELETE FROM %s WHERE ", tableName); - - // Append the WHERE clause to the SQL DELETE statement - switch(typeOfDel) - { - case DB_DEL_KEYFIELDS: - // If the datasource supports the ROWID column, build - // the where on ROWID for efficiency purposes. - // e.g. DELETE FROM PARTS WHERE ROWID = '111.222.333' - if (CanUpdByROWID()) - { - SDWORD cb; - char rowid[wxDB_ROWID_LEN]; - - // Get the ROWID value. If not successful retreiving the ROWID, - // simply fall down through the code and build the WHERE clause - // based on the key fields. - if (SQLGetData(hstmt, noCols+1, SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS) - { - wxStrcat(pSqlStmt, "ROWID = '"); - wxStrcat(pSqlStmt, rowid); - wxStrcat(pSqlStmt, "'"); - break; - } - } - // Unable to delete by ROWID, so build a WHERE - // clause based on the keyfields. - BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS); - wxStrcat(pSqlStmt, whereClause); - break; - case DB_DEL_WHERE: - wxStrcat(pSqlStmt, pWhereClause); - break; - case DB_DEL_MATCHING: - BuildWhereClause(whereClause, DB_WHERE_MATCHING); - wxStrcat(pSqlStmt, whereClause); - break; - } - -} // BuildDeleteStmt() - - -/********** wxDbTable::BuildWhereClause() **********/ -void wxDbTable::BuildWhereClause(char *pWhereClause, int typeOfWhere, - const char *qualTableName, bool useLikeComparison) -/* - * Note: BuildWhereClause() currently ignores timestamp columns. - * They are not included as part of the where clause. - */ -{ - bool moreThanOneColumn = FALSE; - char colValue[255]; - - // Loop through the columns building a where clause as you go - int i; - for (i = 0; i < noCols; i++) - { - // Determine if this column should be included in the WHERE clause - if ((typeOfWhere == DB_WHERE_KEYFIELDS && colDefs[i].KeyField) || - (typeOfWhere == DB_WHERE_MATCHING && (! IsColNull(i)))) - { - // Skip over timestamp columns - if (colDefs[i].SqlCtype == SQL_C_TIMESTAMP) - continue; - // If there is more than 1 column, join them with the keyword "AND" - if (moreThanOneColumn) - wxStrcat(pWhereClause, " AND "); - else - moreThanOneColumn = TRUE; - // Concatenate where phrase for the column - if (qualTableName && wxStrlen(qualTableName)) - { - wxStrcat(pWhereClause, qualTableName); - wxStrcat(pWhereClause, "."); - } - wxStrcat(pWhereClause, colDefs[i].ColName); - if (useLikeComparison && (colDefs[i].SqlCtype == SQL_C_CHAR)) - wxStrcat(pWhereClause, " LIKE "); - else - wxStrcat(pWhereClause, " = "); - switch(colDefs[i].SqlCtype) - { - case SQL_C_CHAR: - sprintf(colValue, "'%s'", (UCHAR FAR *) colDefs[i].PtrDataObj); - break; - case SQL_C_SSHORT: - sprintf(colValue, "%hi", *((SWORD *) colDefs[i].PtrDataObj)); - break; - case SQL_C_USHORT: - sprintf(colValue, "%hu", *((UWORD *) colDefs[i].PtrDataObj)); - break; - case SQL_C_SLONG: - sprintf(colValue, "%li", *((SDWORD *) colDefs[i].PtrDataObj)); - break; - case SQL_C_ULONG: - sprintf(colValue, "%lu", *((UDWORD *) colDefs[i].PtrDataObj)); - break; - case SQL_C_FLOAT: - sprintf(colValue, "%.6f", *((SFLOAT *) colDefs[i].PtrDataObj)); - break; - case SQL_C_DOUBLE: - sprintf(colValue, "%.6f", *((SDOUBLE *) colDefs[i].PtrDataObj)); - break; - } - wxStrcat(pWhereClause, colValue); - } - } -} // wxDbTable::BuildWhereClause() - - -/********** wxDbTable::IsColNull() **********/ -bool wxDbTable::IsColNull(int colNo) -{ - switch(colDefs[colNo].SqlCtype) + switch(colDefs[colNumber].SqlCtype) { case SQL_C_CHAR: - return(((UCHAR FAR *) colDefs[colNo].PtrDataObj)[0] == 0); + case SQL_C_WCHAR: + //case SQL_C_WXCHAR: SQL_C_WXCHAR is covered by either SQL_C_CHAR or SQL_C_WCHAR + return(((UCHAR FAR *) colDefs[colNumber].PtrDataObj)[0] == 0); case SQL_C_SSHORT: - return(( *((SWORD *) colDefs[colNo].PtrDataObj)) == 0); + return(( *((SWORD *) colDefs[colNumber].PtrDataObj)) == 0); case SQL_C_USHORT: - return(( *((UWORD*) colDefs[colNo].PtrDataObj)) == 0); + return(( *((UWORD*) colDefs[colNumber].PtrDataObj)) == 0); case SQL_C_SLONG: - return(( *((SDWORD *) colDefs[colNo].PtrDataObj)) == 0); + return(( *((SDWORD *) colDefs[colNumber].PtrDataObj)) == 0); case SQL_C_ULONG: - return(( *((UDWORD *) colDefs[colNo].PtrDataObj)) == 0); + return(( *((UDWORD *) colDefs[colNumber].PtrDataObj)) == 0); case SQL_C_FLOAT: - return(( *((SFLOAT *) colDefs[colNo].PtrDataObj)) == 0); + return(( *((SFLOAT *) colDefs[colNumber].PtrDataObj)) == 0); case SQL_C_DOUBLE: - return((*((SDOUBLE *) colDefs[colNo].PtrDataObj)) == 0); + return((*((SDOUBLE *) colDefs[colNumber].PtrDataObj)) == 0); case SQL_C_TIMESTAMP: TIMESTAMP_STRUCT *pDt; - pDt = (TIMESTAMP_STRUCT *) colDefs[colNo].PtrDataObj; + pDt = (TIMESTAMP_STRUCT *) colDefs[colNumber].PtrDataObj; if (pDt->year == 0 && pDt->month == 0 && pDt->day == 0) - return(TRUE); + return true; else - return(FALSE); + return false; default: - return(TRUE); + return true; } +*/ + return (colDefs[colNumber].Null); } // wxDbTable::IsColNull() /********** wxDbTable::CanSelectForUpdate() **********/ bool wxDbTable::CanSelectForUpdate(void) { + if (queryOnly) + return false; + if (pDb->Dbms() == dbmsMY_SQL) - return FALSE; + return false; - if (pDb->dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE) - return(TRUE); + if ((pDb->Dbms() == dbmsORACLE) || + (pDb->dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE)) + return true; else - return(FALSE); + return false; } // wxDbTable::CanSelectForUpdate() -/********** wxDbTable::CanUpdByROWID() **********/ -bool wxDbTable::CanUpdByROWID(void) +/********** wxDbTable::CanUpdateByROWID() **********/ +bool wxDbTable::CanUpdateByROWID(void) { /* - * NOTE: Returning FALSE for now until this can be debugged, + * NOTE: Returning false for now until this can be debugged, * as the ROWID is not getting updated correctly */ - return FALSE; - + return false; +/* if (pDb->Dbms() == dbmsORACLE) - return(TRUE); + return true; else - return(FALSE); - -} // wxDbTable::CanUpdByROWID() + return false; +*/ +} // wxDbTable::CanUpdateByROWID() /********** wxDbTable::IsCursorClosedOnCommit() **********/ bool wxDbTable::IsCursorClosedOnCommit(void) { if (pDb->dbInf.cursorCommitBehavior == SQL_CB_PRESERVE) - return(FALSE); + return false; else - return(TRUE); + return true; } // wxDbTable::IsCursorClosedOnCommit() -/********** wxDbTable::ClearMemberVars() **********/ -void wxDbTable::ClearMemberVars(void) + +/********** wxDbTable::ClearMemberVar() **********/ +void wxDbTable::ClearMemberVar(UWORD colNumber, bool setToNull) { - // Loop through the columns setting each member variable to zero - int i; - for (i = 0; i < noCols; i++) + wxASSERT(colNumber < m_numCols); + + switch(colDefs[colNumber].SqlCtype) { - switch(colDefs[i].SqlCtype) - { - case SQL_C_CHAR: - ((UCHAR FAR *) colDefs[i].PtrDataObj)[0] = 0; - break; - case SQL_C_SSHORT: - *((SWORD *) colDefs[i].PtrDataObj) = 0; - break; - case SQL_C_USHORT: - *((UWORD*) colDefs[i].PtrDataObj) = 0; - break; - case SQL_C_SLONG: - *((SDWORD *) colDefs[i].PtrDataObj) = 0; - break; - case SQL_C_ULONG: - *((UDWORD *) colDefs[i].PtrDataObj) = 0; - break; - case SQL_C_FLOAT: - *((SFLOAT *) colDefs[i].PtrDataObj) = 0.0f; - break; - case SQL_C_DOUBLE: - *((SDOUBLE *) colDefs[i].PtrDataObj) = 0.0f; - break; - case SQL_C_TIMESTAMP: - TIMESTAMP_STRUCT *pDt; - pDt = (TIMESTAMP_STRUCT *) colDefs[i].PtrDataObj; - pDt->year = 0; - pDt->month = 0; - pDt->day = 0; - pDt->hour = 0; - pDt->minute = 0; - pDt->second = 0; - pDt->fraction = 0; - break; - } + case SQL_C_CHAR: +#ifdef SQL_C_WCHAR + case SQL_C_WCHAR: +#endif + //case SQL_C_WXCHAR: SQL_C_WXCHAR is covered by either SQL_C_CHAR or SQL_C_WCHAR + ((UCHAR FAR *) colDefs[colNumber].PtrDataObj)[0] = 0; + break; + case SQL_C_SSHORT: + *((SWORD *) colDefs[colNumber].PtrDataObj) = 0; + break; + case SQL_C_USHORT: + *((UWORD*) colDefs[colNumber].PtrDataObj) = 0; + break; + case SQL_C_LONG: + case SQL_C_SLONG: + *((SDWORD *) colDefs[colNumber].PtrDataObj) = 0; + break; + case SQL_C_ULONG: + *((UDWORD *) colDefs[colNumber].PtrDataObj) = 0; + break; + case SQL_C_FLOAT: + *((SFLOAT *) colDefs[colNumber].PtrDataObj) = 0.0f; + break; + case SQL_C_DOUBLE: + *((SDOUBLE *) colDefs[colNumber].PtrDataObj) = 0.0f; + break; + case SQL_C_TIMESTAMP: + TIMESTAMP_STRUCT *pDt; + pDt = (TIMESTAMP_STRUCT *) colDefs[colNumber].PtrDataObj; + pDt->year = 0; + pDt->month = 0; + pDt->day = 0; + pDt->hour = 0; + pDt->minute = 0; + pDt->second = 0; + pDt->fraction = 0; + break; } + if (setToNull) + SetColNull(colNumber); +} // wxDbTable::ClearMemberVar() + + +/********** wxDbTable::ClearMemberVars() **********/ +void wxDbTable::ClearMemberVars(bool setToNull) +{ + int i; + + // Loop through the columns setting each member variable to zero + for (i=0; i < m_numCols; i++) + ClearMemberVar((UWORD)i,setToNull); + } // wxDbTable::ClearMemberVars() @@ -1846,23 +2276,38 @@ bool wxDbTable::SetQueryTimeout(UDWORD nSeconds) return(pDb->DispAllErrors(henv, hdbc, hstmtInternal)); // Completed Successfully - return(TRUE); + return true; } // wxDbTable::SetQueryTimeout() /********** wxDbTable::SetColDefs() **********/ -void wxDbTable::SetColDefs (int index, const char *fieldName, int dataType, void *pData, - int cType, int size, bool keyField, bool upd, - bool insAllow, bool derivedCol) +bool wxDbTable::SetColDefs(UWORD index, const wxString &fieldName, int dataType, void *pData, + SWORD cType, int size, bool keyField, bool updateable, + bool insertAllowed, bool derivedColumn) { + wxString tmpStr; + + if (index >= m_numCols) // Columns numbers are zero based.... + { + tmpStr.Printf(wxT("Specified column index (%d) exceeds the maximum number of columns (%d) registered for this table definition. Column definition not added."), index, m_numCols); + wxFAIL_MSG(tmpStr); + wxLogDebug(tmpStr); + return false; + } + if (!colDefs) // May happen if the database connection fails - return; + return false; - if (wxStrlen(fieldName) > (unsigned int) DB_MAX_COLUMN_NAME_LEN) + if (fieldName.length() > (unsigned int) DB_MAX_COLUMN_NAME_LEN) { - wxStrncpy (colDefs[index].ColName, fieldName, DB_MAX_COLUMN_NAME_LEN); - colDefs[index].ColName[DB_MAX_COLUMN_NAME_LEN] = 0; + wxStrncpy(colDefs[index].ColName, fieldName, DB_MAX_COLUMN_NAME_LEN); + colDefs[index].ColName[DB_MAX_COLUMN_NAME_LEN] = 0; // Prevent buffer overrun + + tmpStr.Printf(wxT("Column name '%s' is too long. Truncated to '%s'."), + fieldName.c_str(),colDefs[index].ColName); + wxFAIL_MSG(tmpStr); + wxLogDebug(tmpStr); } else wxStrcpy(colDefs[index].ColName, fieldName); @@ -1870,36 +2315,38 @@ void wxDbTable::SetColDefs (int index, const char *fieldName, int dataType, void colDefs[index].DbDataType = dataType; colDefs[index].PtrDataObj = pData; colDefs[index].SqlCtype = cType; - colDefs[index].SzDataObj = size; + colDefs[index].SzDataObj = size; //TODO: glt ??? * sizeof(wxChar) ??? colDefs[index].KeyField = keyField; - colDefs[index].DerivedCol = derivedCol; + colDefs[index].DerivedCol = derivedColumn; // Derived columns by definition would NOT be "Insertable" or "Updateable" - if (derivedCol) + if (derivedColumn) { - colDefs[index].Updateable = FALSE; - colDefs[index].InsertAllowed = FALSE; + colDefs[index].Updateable = false; + colDefs[index].InsertAllowed = false; } else { - colDefs[index].Updateable = upd; - colDefs[index].InsertAllowed = insAllow; + colDefs[index].Updateable = updateable; + colDefs[index].InsertAllowed = insertAllowed; } - colDefs[index].Null = FALSE; - + colDefs[index].Null = false; + + return true; + } // wxDbTable::SetColDefs() -/********** wxDbTable::SetColDef() **********/ -wxDbColDataPtr* wxDbTable::SetColDefs (wxDbColInf *pColInfs, ULONG numCols) +/********** wxDbTable::SetColDefs() **********/ +wxDbColDataPtr* wxDbTable::SetColDefs(wxDbColInf *pColInfs, UWORD numCols) { - assert(pColInfs); + wxASSERT(pColInfs); wxDbColDataPtr *pColDataPtrs = NULL; if (pColInfs) { - ULONG index; - + UWORD index; + pColDataPtrs = new wxDbColDataPtr[numCols+1]; for (index = 0; index < numCols; index++) @@ -1908,13 +2355,18 @@ wxDbColDataPtr* wxDbTable::SetColDefs (wxDbColInf *pColInfs, ULONG numCols) switch (pColInfs[index].dbDataType) { case DB_DATA_TYPE_VARCHAR: - pColDataPtrs[index].PtrDataObj = new char[pColInfs[index].bufferLength+1]; - pColDataPtrs[index].SzDataObj = pColInfs[index].columnSize; - pColDataPtrs[index].SqlCtype = SQL_C_CHAR; + pColDataPtrs[index].PtrDataObj = new wxChar[pColInfs[index].bufferSize+(1*sizeof(wxChar))]; + pColDataPtrs[index].SzDataObj = pColInfs[index].bufferSize+(1*sizeof(wxChar)); + pColDataPtrs[index].SqlCtype = SQL_C_WXCHAR; + break; + case DB_DATA_TYPE_MEMO: + pColDataPtrs[index].PtrDataObj = new wxChar[pColInfs[index].bufferSize+(1*sizeof(wxChar))]; + pColDataPtrs[index].SzDataObj = pColInfs[index].bufferSize+(1*sizeof(wxChar)); + pColDataPtrs[index].SqlCtype = SQL_C_WXCHAR; break; case DB_DATA_TYPE_INTEGER: // Can be long or short - if (pColInfs[index].bufferLength == sizeof(long)) + if (pColInfs[index].bufferSize == sizeof(long)) { pColDataPtrs[index].PtrDataObj = new long; pColDataPtrs[index].SzDataObj = sizeof(long); @@ -1929,7 +2381,7 @@ wxDbColDataPtr* wxDbTable::SetColDefs (wxDbColInf *pColInfs, ULONG numCols) break; case DB_DATA_TYPE_FLOAT: // Can be float or double - if (pColInfs[index].bufferLength == sizeof(float)) + if (pColInfs[index].bufferSize == sizeof(float)) { pColDataPtrs[index].PtrDataObj = new float; pColDataPtrs[index].SzDataObj = sizeof(float); @@ -1940,21 +2392,38 @@ wxDbColDataPtr* wxDbTable::SetColDefs (wxDbColInf *pColInfs, ULONG 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; pColDataPtrs[index].SzDataObj = sizeof(TIMESTAMP_STRUCT); pColDataPtrs[index].SqlCtype = SQL_C_TIMESTAMP; break; + case DB_DATA_TYPE_BLOB: + 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; + break; + } + if (pColDataPtrs[index].PtrDataObj != NULL) + 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 + // 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 + // to know the maximum size to create the PtrDataObj to be. + delete [] pColDataPtrs; + return NULL; } - SetColDefs (index,pColInfs[index].colName,pColInfs[index].dbDataType, pColDataPtrs[index].PtrDataObj, pColDataPtrs[index].SqlCtype, pColDataPtrs[index].SzDataObj); } } return (pColDataPtrs); -} // wxDbTable::SetColDef() +} // wxDbTable::SetColDefs() /********** wxDbTable::SetCursor() **********/ @@ -1968,22 +2437,23 @@ void wxDbTable::SetCursor(HSTMT *hstmtActivate) } // wxDbTable::SetCursor() -/********** wxDbTable::Count(const char *) **********/ -ULONG wxDbTable::Count(const char *args) +/********** wxDbTable::Count(const wxString &) **********/ +ULONG wxDbTable::Count(const wxString &args) { ULONG count; wxString sqlStmt; - SDWORD cb; + SQLLEN cb; // Build a "SELECT COUNT(*) FROM queryTableName [WHERE whereClause]" SQL Statement - sqlStmt = "SELECT COUNT("; + sqlStmt = wxT("SELECT COUNT("); sqlStmt += args; - sqlStmt += ") FROM "; - sqlStmt += queryTableName; + sqlStmt += wxT(") FROM "); + sqlStmt += pDb->SQLTableName(queryTableName); +// sqlStmt += queryTableName; #if wxODBC_BACKWARD_COMPATABILITY if (from && wxStrlen(from)) #else - if (from.Length()) + if (from.length()) #endif sqlStmt += from; @@ -1991,26 +2461,26 @@ ULONG wxDbTable::Count(const char *args) #if wxODBC_BACKWARD_COMPATABILITY if (where && wxStrlen(where)) #else - if (where.Length()) + if (where.length()) #endif { - sqlStmt += " WHERE "; + sqlStmt += wxT(" WHERE "); sqlStmt += where; } - pDb->WriteSqlLog(sqlStmt.c_str()); + pDb->WriteSqlLog(sqlStmt); // Initialize the Count cursor if it's not already initialized if (!hstmtCount) { - hstmtCount = GetNewCursor(FALSE,FALSE); - assert(hstmtCount); + hstmtCount = GetNewCursor(false,false); + wxASSERT(hstmtCount); if (!hstmtCount) return(0); } // Execute the SQL statement - if (SQLExecDirect(*hstmtCount, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) + if (SQLExecDirect(*hstmtCount, (SQLTCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS) { pDb->DispAllErrors(henv, hdbc, *hstmtCount); return(0); @@ -2024,7 +2494,7 @@ ULONG wxDbTable::Count(const char *args) } // Obtain the result - if (SQLGetData(*hstmtCount, 1, SQL_C_ULONG, &count, sizeof(count), &cb) != SQL_SUCCESS) + if (SQLGetData(*hstmtCount, (UWORD)1, SQL_C_ULONG, &count, sizeof(count), &cb) != SQL_SUCCESS) { pDb->DispAllErrors(henv, hdbc, *hstmtCount); return(0); @@ -2043,37 +2513,39 @@ ULONG wxDbTable::Count(const char *args) /********** wxDbTable::Refresh() **********/ bool wxDbTable::Refresh(void) { - bool result = TRUE; + bool result = true; // Switch to the internal cursor so any active cursors are not corrupted HSTMT currCursor = GetCursor(); hstmt = hstmtInternal; #if wxODBC_BACKWARD_COMPATABILITY // Save the where and order by clauses - char *saveWhere = where; - char *saveOrderBy = orderBy; + wxChar *saveWhere = where; + wxChar *saveOrderBy = orderBy; #else wxString saveWhere = where; wxString saveOrderBy = orderBy; #endif // Build a where clause to refetch the record with. Try and use the // ROWID if it's available, ow use the key fields. - char whereClause[DB_MAX_WHERE_CLAUSE_LEN+1]; - wxStrcpy(whereClause, ""); - if (CanUpdByROWID()) + wxString whereClause; + whereClause.Empty(); + + if (CanUpdateByROWID()) { - SDWORD cb; - char rowid[wxDB_ROWID_LEN+1]; + SQLLEN cb; + wxChar rowid[wxDB_ROWID_LEN+1]; // Get the ROWID value. If not successful retreiving the ROWID, // simply fall down through the code and build the WHERE clause // based on the key fields. - if (SQLGetData(hstmt, noCols+1, SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS) + if (SQLGetData(hstmt, (UWORD)(m_numCols+1), SQL_C_WXCHAR, (UCHAR*) rowid, sizeof(rowid), &cb) == SQL_SUCCESS) { - wxStrcat(whereClause, queryTableName); - wxStrcat(whereClause, ".ROWID = '"); - wxStrcat(whereClause, rowid); - wxStrcat(whereClause, "'"); + whereClause += pDb->SQLTableName(queryTableName); +// whereClause += queryTableName; + whereClause += wxT(".ROWID = '"); + whereClause += rowid; + whereClause += wxT("'"); } } @@ -2083,12 +2555,12 @@ bool wxDbTable::Refresh(void) // Requery the record where = whereClause; - orderBy = ""; + orderBy.Empty(); if (!Query()) - result = FALSE; + result = false; if (result && !GetNext()) - result = FALSE; + result = false; // Switch back to original cursor SetCursor(&currCursor); @@ -2106,40 +2578,56 @@ bool wxDbTable::Refresh(void) } // wxDbTable::Refresh() -/********** wxDbTable::SetNull(int colNo) **********/ -bool wxDbTable::SetNull(int colNo) +/********** wxDbTable::SetColNull() **********/ +bool wxDbTable::SetColNull(UWORD colNumber, bool set) { - if (colNo < noCols) - return(colDefs[colNo].Null = TRUE); + if (colNumber < m_numCols) + { + colDefs[colNumber].Null = set; + if (set) // Blank out the values in the member variable + ClearMemberVar(colNumber, false); // Must call with false here, or infinite recursion will happen + + setCbValueForColumn(colNumber); + + return true; + } else - return(FALSE); + return false; -} // wxDbTable::SetNull(int colNo) +} // wxDbTable::SetColNull() -/********** wxDbTable::SetNull(char *colName) **********/ -bool wxDbTable::SetNull(const char *colName) +/********** wxDbTable::SetColNull() **********/ +bool wxDbTable::SetColNull(const wxString &colName, bool set) { - int i; - for (i = 0; i < noCols; i++) + int colNumber; + for (colNumber = 0; colNumber < m_numCols; colNumber++) { - if (!wxStricmp(colName, colDefs[i].ColName)) + if (!wxStricmp(colName, colDefs[colNumber].ColName)) break; } - if (i < noCols) - return(colDefs[i].Null = TRUE); + if (colNumber < m_numCols) + { + colDefs[colNumber].Null = set; + if (set) // Blank out the values in the member variable + ClearMemberVar((UWORD)colNumber,false); // Must call with false here, or infinite recursion will happen + + setCbValueForColumn(colNumber); + + return true; + } else - return(FALSE); + return false; -} // wxDbTable::SetNull(char *colName) +} // wxDbTable::SetColNull() /********** wxDbTable::GetNewCursor() **********/ HSTMT *wxDbTable::GetNewCursor(bool setCursor, bool bindColumns) { HSTMT *newHSTMT = new HSTMT; - assert(newHSTMT); + wxASSERT(newHSTMT); if (!newHSTMT) return(0); @@ -2159,7 +2647,7 @@ HSTMT *wxDbTable::GetNewCursor(bool setCursor, bool bindColumns) if (bindColumns) { - if(!bindCols(*newHSTMT)) + if (!bindCols(*newHSTMT)) { delete newHSTMT; return(0); @@ -2177,15 +2665,20 @@ HSTMT *wxDbTable::GetNewCursor(bool setCursor, bool bindColumns) /********** wxDbTable::DeleteCursor() **********/ bool wxDbTable::DeleteCursor(HSTMT *hstmtDel) { - bool result = TRUE; + bool result = true; if (!hstmtDel) // Cursor already deleted return(result); +/* +ODBC 3.0 says to use this form + if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS) + +*/ if (SQLFreeStmt(*hstmtDel, SQL_DROP) != SQL_SUCCESS) { pDb->DispAllErrors(henv, hdbc); - result = FALSE; + result = false; } delete hstmtDel; @@ -2194,5 +2687,235 @@ bool wxDbTable::DeleteCursor(HSTMT *hstmtDel) } // wxDbTable::DeleteCursor() -#endif // wxUSE_ODBC +////////////////////////////////////////////////////////////// +// 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: + wxASSERT(0); + } +} // wxDbTable::SetRowMode() + +wxVariant wxDbTable::GetColumn(const int colNumber) const +{ + wxVariant val; + if ((colNumber < m_numCols) && (!IsColNull((UWORD)colNumber))) + { + switch (colDefs[colNumber].SqlCtype) + { +#if wxUSE_UNICODE + #if defined(SQL_WCHAR) + case SQL_WCHAR: + #endif + #if defined(SQL_WVARCHAR) + case SQL_WVARCHAR: + #endif +#endif + case SQL_CHAR: + case SQL_VARCHAR: + val = (wxChar *)(colDefs[colNumber].PtrDataObj); + break; + case SQL_C_LONG: + case SQL_C_SLONG: + val = *(long *)(colDefs[colNumber].PtrDataObj); + break; + case SQL_C_SHORT: + case SQL_C_SSHORT: + val = (long int )(*(short *)(colDefs[colNumber].PtrDataObj)); + break; + case SQL_C_ULONG: + val = (long)(*(unsigned long *)(colDefs[colNumber].PtrDataObj)); + break; + case SQL_C_TINYINT: + val = (long)(*(wxChar *)(colDefs[colNumber].PtrDataObj)); + break; + case SQL_C_UTINYINT: + val = (long)(*(wxChar *)(colDefs[colNumber].PtrDataObj)); + break; + case SQL_C_USHORT: + val = (long)(*(UWORD *)(colDefs[colNumber].PtrDataObj)); + break; + case SQL_C_DATE: + val = (DATE_STRUCT *)(colDefs[colNumber].PtrDataObj); + break; + case SQL_C_TIME: + val = (TIME_STRUCT *)(colDefs[colNumber].PtrDataObj); + break; + case SQL_C_TIMESTAMP: + val = (TIMESTAMP_STRUCT *)(colDefs[colNumber].PtrDataObj); + break; + case SQL_C_DOUBLE: + val = *(double *)(colDefs[colNumber].PtrDataObj); + break; + default: + assert(0); + } + } + return val; +} // wxDbTable::GetCol() + + +void wxDbTable::SetColumn(const int colNumber, const wxVariant val) +{ + //FIXME: Add proper wxDateTime support to wxVariant.. + wxDateTime dateval; + + SetColNull((UWORD)colNumber, val.IsNull()); + + if (!val.IsNull()) + { + if ((colDefs[colNumber].SqlCtype == SQL_C_DATE) + || (colDefs[colNumber].SqlCtype == SQL_C_TIME) + || (colDefs[colNumber].SqlCtype == SQL_C_TIMESTAMP)) + { + //Returns null if invalid! + if (!dateval.ParseDate(val.GetString())) + SetColNull((UWORD)colNumber, true); + } + + switch (colDefs[colNumber].SqlCtype) + { +#if wxUSE_UNICODE + #if defined(SQL_WCHAR) + case SQL_WCHAR: + #endif + #if defined(SQL_WVARCHAR) + case SQL_WVARCHAR: + #endif +#endif + case SQL_CHAR: + case SQL_VARCHAR: + csstrncpyt((wxChar *)(colDefs[colNumber].PtrDataObj), + val.GetString().c_str(), + colDefs[colNumber].SzDataObj-1); //TODO: glt ??? * sizeof(wxChar) ??? + break; + case SQL_C_LONG: + case SQL_C_SLONG: + *(long *)(colDefs[colNumber].PtrDataObj) = val; + break; + case SQL_C_SHORT: + case SQL_C_SSHORT: + *(short *)(colDefs[colNumber].PtrDataObj) = (short)val.GetLong(); + break; + case SQL_C_ULONG: + *(unsigned long *)(colDefs[colNumber].PtrDataObj) = val.GetLong(); + break; + case SQL_C_TINYINT: + *(wxChar *)(colDefs[colNumber].PtrDataObj) = val.GetChar(); + break; + case SQL_C_UTINYINT: + *(wxChar *)(colDefs[colNumber].PtrDataObj) = val.GetChar(); + break; + case SQL_C_USHORT: + *(unsigned short *)(colDefs[colNumber].PtrDataObj) = (unsigned short)val.GetLong(); + break; + //FIXME: Add proper wxDateTime support to wxVariant.. + case SQL_C_DATE: + { + DATE_STRUCT *dataptr = + (DATE_STRUCT *)colDefs[colNumber].PtrDataObj; + + dataptr->year = (SWORD)dateval.GetYear(); + dataptr->month = (UWORD)(dateval.GetMonth()+1); + dataptr->day = (UWORD)dateval.GetDay(); + } + break; + case SQL_C_TIME: + { + TIME_STRUCT *dataptr = + (TIME_STRUCT *)colDefs[colNumber].PtrDataObj; + + dataptr->hour = dateval.GetHour(); + dataptr->minute = dateval.GetMinute(); + dataptr->second = dateval.GetSecond(); + } + break; + case SQL_C_TIMESTAMP: + { + TIMESTAMP_STRUCT *dataptr = + (TIMESTAMP_STRUCT *)colDefs[colNumber].PtrDataObj; + dataptr->year = (SWORD)dateval.GetYear(); + dataptr->month = (UWORD)(dateval.GetMonth()+1); + dataptr->day = (UWORD)dateval.GetDay(); + + dataptr->hour = dateval.GetHour(); + dataptr->minute = dateval.GetMinute(); + dataptr->second = dateval.GetSecond(); + } + break; + case SQL_C_DOUBLE: + *(double *)(colDefs[colNumber].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 < m_numCols; 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 < m_numCols; i++) + { + if (colDefs[i].KeyField) + { + SetColNull((UWORD)i, false); + memcpy(colDefs[i].PtrDataObj, blkptr, colDefs[i].SzDataObj); + blkptr += colDefs[i].SzDataObj; + } + } +} // wxDbTable::SetKey() + + +#endif // wxUSE_ODBC