]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/dbtable.cpp
Delay checking for the requested sash position until the first
[wxWidgets.git] / src / common / dbtable.cpp
index 234c9c72a5db6e596c629c5d468527ee4d9b81c9..c5482f8a694e14fd559d1f9e105b34ae2d67561e 100644 (file)
@@ -24,7 +24,8 @@
 // SYNOPSIS START
 // SYNOPSIS STOP
 */
-#ifdef __GNUG__
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "dbtable.h"
 #endif
 
 #endif
 
 #ifdef DBDEBUG_CONSOLE
-    #include "iostream.h"
+#if wxUSE_IOSTREAMH
+    #include <iostream.h>
+#else
+    #include <iostream>
+#endif
     #include "wx/ioswrap.h"
 #endif
 
@@ -44,7 +49,6 @@
     #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"
@@ -54,7 +58,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-//#include <assert.h>
 
 #include "wx/dbtable.h"
 
@@ -77,6 +80,16 @@ ULONG lastTableID = 0;
 #endif
 
 
+void csstrncpyt(wxChar *target, const wxChar *source, int n)
+{
+    while ( (*target++ = *source++) != '\0' && --n )
+        ;
+
+    *target = '\0';
+}
+
+
+
 /********** wxDbColDef::wxDbColDef() Constructor **********/
 wxDbColDef::wxDbColDef()
 {
@@ -168,14 +181,14 @@ bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD num
         tablePath = tblPath;                    // Table Path - used for dBase files
     else
         tablePath.Empty();
-    
+
     if (qryTblName.Length())                    // Name of the table/view to query
         queryTableName = qryTblName;
     else
         queryTableName = tblName;
-    
+
     pDb->incrementTableCount();
-    
+
     wxString s;
     tableID = ++lastTableID;
     s.Printf(wxT("wxDbTable constructor (%-20s) tableID:[%6lu] pDb:[%p]"), tblName.c_str(), tableID, pDb);
@@ -188,17 +201,17 @@ bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD num
     tableInUse->pDb       = pDb;
     TablesInUse.Append(tableInUse);
 #endif
-    
+
     pDb->WriteSqlLog(s);
-    
+
     // Grab the HENV and HDBC from the wxDb object
     henv = pDb->GetHENV();
     hdbc = pDb->GetHDBC();
-    
+
     // Allocate space for column definitions
     if (noCols)
         colDefs = new wxDbColDef[noCols];  // Points to the first column definition
-    
+
     // Allocate statement handles for the table
     if (!queryOnly)
     {
@@ -215,12 +228,12 @@ bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD num
     // Allocate a separate statement handle for internal use
     if (SQLAllocStmt(hdbc, &hstmtInternal) != SQL_SUCCESS)
         pDb->DispAllErrors(henv, hdbc);
-    
+
     // Set the cursor type for the statement handles
     cursorType = SQL_CURSOR_STATIC;
-    
+
     if (SQLSetStmtOption(hstmtInternal, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS)
-    { 
+    {
         // Check to see if cursor type is supported
         pDb->GetNextError(henv, hdbc, hstmtInternal);
         if (! wxStrcmp(pDb->sqlState, wxT("01S02")))  // Option Value Changed
@@ -272,7 +285,7 @@ bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD num
     else
         cout << wxT("Cursor Type set to STATIC") << endl << endl;
 #endif
-    
+
     if (!queryOnly)
     {
         // Set the cursor type for the INSERT statement handle
@@ -285,7 +298,7 @@ bool wxDbTable::initialize(wxDb *pwxDb, const wxString &tblName, const UWORD num
         if (SQLSetStmtOption(hstmtUpdate, SQL_CURSOR_TYPE, SQL_CURSOR_FORWARD_ONLY) != SQL_SUCCESS)
             pDb->DispAllErrors(henv, hdbc, hstmtUpdate);
     }
-    
+
     // Make the default cursor the active cursor
     hstmtDefault = GetNewCursor(FALSE,FALSE);
     wxASSERT(hstmtDefault);
@@ -312,17 +325,17 @@ void wxDbTable::cleanup()
         bool found = FALSE;
 
         wxNode *pNode;
-        pNode = TablesInUse.First();
+        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,wxT("Unable to delete node!"));
             }
             else
-                pNode = pNode->Next();
+                pNode = pNode->GetNext();
         }
         if (!found)
         {
@@ -403,11 +416,11 @@ bool wxDbTable::bindParams(bool forUpdate)
     wxASSERT(!queryOnly);
     if (queryOnly)
         return(FALSE);
-    
+
     SWORD   fSqlType    = 0;
-    UDWORD  precision   = 0;
+    SDWORD  precision   = 0;
     SWORD   scale       = 0;
-    
+
     // Bind each column of the table that should be bound
     // to a parameter marker
     int i;
@@ -449,7 +462,7 @@ bool wxDbTable::bindParams(bool forUpdate)
             case DB_DATA_TYPE_FLOAT:
                 fSqlType = pDb->GetTypeInfFloat().FsqlType;
                 precision = pDb->GetTypeInfFloat().Precision;
-                scale = pDb->GetTypeInfFloat().MaximumScale;       
+                scale = pDb->GetTypeInfFloat().MaximumScale;
                 // SQL Sybase Anywhere v5.5 returned a negative number for the
                 // MaxScale.  This caused ODBC to kick out an error on ibscale.
                 // I check for this here and set the scale = precision.
@@ -471,7 +484,7 @@ bool wxDbTable::bindParams(bool forUpdate)
                 break;
             case DB_DATA_TYPE_BLOB:
                 fSqlType = pDb->GetTypeInfBlob().FsqlType;
-                precision = 50000;
+                precision = -1;
                 scale = 0;
                 if (colDefs[i].Null)
                     colDefs[i].CbValue = SQL_NULL_DATA;
@@ -482,7 +495,7 @@ bool wxDbTable::bindParams(bool forUpdate)
         if (forUpdate)
         {
             if (SQLBindParameter(hstmtUpdate, colNo++, SQL_PARAM_INPUT, colDefs[i].SqlCtype,
-                                 fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, 
+                                 fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj,
                                  precision+1, &colDefs[i].CbValue) != SQL_SUCCESS)
             {
                 return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
@@ -491,14 +504,14 @@ bool wxDbTable::bindParams(bool forUpdate)
         else
         {
             if (SQLBindParameter(hstmtInsert, colNo++, SQL_PARAM_INPUT, colDefs[i].SqlCtype,
-                                 fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj, 
+                                 fSqlType, precision, scale, (UCHAR*) colDefs[i].PtrDataObj,
                                  precision+1,&colDefs[i].CbValue) != SQL_SUCCESS)
             {
                 return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
             }
         }
     }
-    
+
     // Completed successfully
     return(TRUE);
 
@@ -522,15 +535,16 @@ bool wxDbTable::bindUpdateParams(void)
 /********** wxDbTable::bindCols() **********/
 bool wxDbTable::bindCols(HSTMT cursor)
 {
+    static SDWORD cb;
+
     // Bind each column of the table to a memory address for fetching data
     UWORD i;
     for (i = 0; i < noCols; i++)
     {
+        cb = colDefs[i].CbValue;
         if (SQLBindCol(cursor, (UWORD)(i+1), colDefs[i].SqlCtype, (UCHAR*) colDefs[i].PtrDataObj,
-                       colDefs[i].SzDataObj, &colDefs[i].CbValue ) != SQL_SUCCESS)
-        {
+                       colDefs[i].SzDataObj, &cb ) != SQL_SUCCESS)
           return (pDb->DispAllErrors(henv, hdbc, cursor));
-        }
     }
 
     // Completed successfully
@@ -600,7 +614,7 @@ bool wxDbTable::execDelete(const wxString &pSqlStmt)
     RETCODE retcode;
 
     // Execute the DELETE statement
-    retcode = SQLExecDirect(hstmtDelete, (UCHAR FAR *) pSqlStmt.c_str(), SQL_NTS);
+    retcode = SQLExecDirect(hstmtDelete, (SQLTCHAR FAR *) pSqlStmt.c_str(), SQL_NTS);
 
     if (retcode == SQL_SUCCESS ||
         retcode == SQL_NO_DATA_FOUND ||
@@ -622,7 +636,7 @@ bool wxDbTable::execUpdate(const wxString &pSqlStmt)
     RETCODE retcode;
 
     // Execute the UPDATE statement
-    retcode = SQLExecDirect(hstmtUpdate, (UCHAR FAR *) pSqlStmt.c_str(), SQL_NTS);
+    retcode = SQLExecDirect(hstmtUpdate, (SQLTCHAR FAR *) pSqlStmt.c_str(), SQL_NTS);
 
     if (retcode == SQL_SUCCESS ||
         retcode == SQL_NO_DATA_FOUND ||
@@ -631,6 +645,37 @@ bool wxDbTable::execUpdate(const wxString &pSqlStmt)
         // 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 < noCols; i++)
+            {
+                if (colDefs[i].PtrDataObj == pParmID)
+                {
+                    // We found it.  Store the parameter.
+                    retcode = SQLPutData(hstmtUpdate, pParmID, colDefs[i].SzDataObj);
+                    if (retcode != SQL_SUCCESS)
+                    {
+                        pDb->DispNextError();
+                        return pDb->DispAllErrors(henv, hdbc, hstmtUpdate);
+                    }
+                    break;
+                }
+            }
+        }
+        if (retcode == SQL_SUCCESS ||
+            retcode == SQL_NO_DATA_FOUND ||
+            retcode == SQL_SUCCESS_WITH_INFO)
+        {
+            // Record updated successfully
+            return(TRUE);
+        }
+    }
 
     // Problem updating record
     return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
@@ -661,8 +706,8 @@ bool wxDbTable::query(int queryType, bool forUpdate, bool distinct, const wxStri
         return(FALSE);
 
     // Execute the SQL SELECT statement
-    int retcode;     
-    retcode = SQLExecDirect(hstmt, (UCHAR FAR *) (queryType == DB_SELECT_STATEMENT ? pSqlStmt.c_str() : sqlStmt.c_str()), 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));
 
@@ -679,7 +724,7 @@ bool wxDbTable::query(int queryType, bool forUpdate, bool distinct, const wxStri
 bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists)
 {
     if (!pDb)
-        return FALSE;   
+        return FALSE;
 
     int i;
     wxString sqlStmt;
@@ -711,12 +756,12 @@ bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists)
     else if (checkPrivileges)
     {
         // Verify the user has rights to access the table.
-        // Shortcut boolean evaluation to optimize out call to 
+        // Shortcut boolean evaluation to optimize out call to
         // TablePrivileges
         //
         // Unfortunately this optimization doesn't seem to be
         // reliable!
-        if (// *(pDb->dbInf.accessibleTables) == 'N' && 
+        if (// *(pDb->dbInf.accessibleTables) == 'N' &&
             !pDb->TablePrivileges(tableName,wxT("SELECT"), pDb->GetUsername(), pDb->GetUsername(), tablePath))
             s = wxT("Current logged in user does not have sufficient privileges to access this table.\n");
     }
@@ -742,14 +787,14 @@ bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists)
     {
         if (!bindInsertParams())                    // Inserts
             return(FALSE);
-       
+
         if (!bindUpdateParams())                    // Updates
             return(FALSE);
     }
 
     if (!bindCols(*hstmtDefault))                   // Selects
         return(FALSE);
-    
+
     if (!bindCols(hstmtInternal))                   // Internal use only
         return(FALSE);
 
@@ -761,14 +806,16 @@ bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists)
     if (!queryOnly && noCols > 0)
     {
         bool needComma = FALSE;
-        sqlStmt.Printf(wxT("INSERT INTO %s ("), tableName.c_str());
+        sqlStmt.Printf(wxT("INSERT INTO %s ("),
+                       pDb->SQLTableName(tableName.c_str()).c_str());
         for (i = 0; i < noCols; i++)
         {
             if (! colDefs[i].InsertAllowed)
                 continue;
             if (needComma)
                 sqlStmt += wxT(",");
-            sqlStmt += colDefs[i].ColName;
+            sqlStmt += pDb->SQLColumnName(colDefs[i].ColName);
+//            sqlStmt += colDefs[i].ColName;
             needComma = TRUE;
         }
         needComma = FALSE;
@@ -787,17 +834,17 @@ bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists)
             insertableCount++;
         }
         sqlStmt += wxT(")");
-        
+
         // Prepare the insert statement for execution
-        if (insertableCount)  
+        if (insertableCount)
         {
-            if (SQLPrepare(hstmtInsert, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+            if (SQLPrepare(hstmtInsert, (SQLTCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
                 return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
         }
-        else 
+        else
             insertable= FALSE;
     }
-    
+
     // Completed successfully
     return(TRUE);
 
@@ -891,7 +938,7 @@ bool wxDbTable::GetLast(void)
         wxFAIL_MSG(wxT("GetLast()::Backward scrolling cursors are not enabled for this instance of wxDbTable"));
         return FALSE;
     }
-    else 
+    else
         return(getRec(SQL_FETCH_LAST));
 
 }  // wxDbTable::GetLast()
@@ -912,11 +959,13 @@ void wxDbTable::BuildDeleteStmt(wxString &pSqlStmt, int typeOfDel, const wxStrin
     // delete all records from the database in this case.
     if (typeOfDel == DB_DEL_WHERE && (pWhereClause.Length() == 0))
     {
-        pSqlStmt.Printf(wxT("DELETE FROM %s"), tableName.c_str());
+        pSqlStmt.Printf(wxT("DELETE FROM %s"),
+                        pDb->SQLTableName(tableName.c_str()).c_str());
         return;
     }
 
-    pSqlStmt.Printf(wxT("DELETE FROM %s WHERE "), tableName.c_str());
+    pSqlStmt.Printf(wxT("DELETE FROM %s WHERE "),
+                    pDb->SQLTableName(tableName.c_str()).c_str());
 
     // Append the WHERE clause to the SQL DELETE statement
     switch(typeOfDel)
@@ -993,15 +1042,17 @@ void wxDbTable::BuildSelectStmt(wxString &pSqlStmt, int typeOfSelect, bool disti
 
     // Add the column list
     int i;
+    wxString tStr;
     for (i = 0; i < noCols; i++)
     {
+        tStr = colDefs[i].ColName;
         // If joining tables, the base table column names must be qualified to avoid ambiguity
-        if (appendFromClause || pDb->Dbms() == dbmsACCESS)
+        if ((appendFromClause || pDb->Dbms() == dbmsACCESS) && !tStr.Find(wxT('.')))
         {
-            pSqlStmt += queryTableName;
+            pSqlStmt += pDb->SQLTableName(queryTableName.c_str());
             pSqlStmt += wxT(".");
         }
-        pSqlStmt += colDefs[i].ColName;
+        pSqlStmt += pDb->SQLColumnName(colDefs[i].ColName);
         if (i + 1 < noCols)
             pSqlStmt += wxT(",");
     }
@@ -1014,7 +1065,8 @@ void wxDbTable::BuildSelectStmt(wxString &pSqlStmt, int typeOfSelect, bool disti
         if (appendFromClause || pDb->Dbms() == dbmsACCESS)
         {
             pSqlStmt += wxT(",");
-            pSqlStmt += queryTableName;
+            pSqlStmt += pDb->SQLTableName(queryTableName);
+//            pSqlStmt += queryTableName;
             pSqlStmt += wxT(".ROWID");
         }
         else
@@ -1023,7 +1075,8 @@ void wxDbTable::BuildSelectStmt(wxString &pSqlStmt, int typeOfSelect, bool disti
 
     // Append the FROM tablename portion
     pSqlStmt += wxT(" FROM ");
-    pSqlStmt += queryTableName;
+    pSqlStmt += pDb->SQLTableName(queryTableName);
+//    pSqlStmt += queryTableName;
 
     // Sybase uses the HOLDLOCK keyword to lock a record during query.
     // The HOLDLOCK keyword follows the table name in the from clause.
@@ -1110,7 +1163,8 @@ void wxDbTable::BuildUpdateStmt(wxString &pSqlStmt, int typeOfUpd, const wxStrin
 
     bool firstColumn = TRUE;
 
-    pSqlStmt.Printf(wxT("UPDATE %s SET "), tableName.Upper().c_str());
+    pSqlStmt.Printf(wxT("UPDATE %s SET "),
+                    pDb->SQLTableName(tableName.c_str()).c_str());
 
     // Append a list of columns to be updated
     int i;
@@ -1123,7 +1177,9 @@ void wxDbTable::BuildUpdateStmt(wxString &pSqlStmt, int typeOfUpd, const wxStrin
                 pSqlStmt += wxT(",");
             else
                 firstColumn = FALSE;
-            pSqlStmt += colDefs[i].ColName;
+
+            pSqlStmt += pDb->SQLColumnName(colDefs[i].ColName);
+//            pSqlStmt += colDefs[i].ColName;
             pSqlStmt += wxT(" = ?");
         }
     }
@@ -1185,54 +1241,59 @@ void wxDbTable::BuildWhereClause(wxString &pWhereClause, int typeOfWhere,
     wxString colValue;
 
     // Loop through the columns building a where clause as you go
-    int i;
-    for (i = 0; i < noCols; i++)
+    int colNo;
+    for (colNo = 0; colNo < noCols; colNo++)
     {
         // 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))))
+        if ((typeOfWhere == DB_WHERE_KEYFIELDS && colDefs[colNo].KeyField) ||
+             (typeOfWhere == DB_WHERE_MATCHING  && (!IsColNull(colNo))))
         {
             // Skip over timestamp columns
-            if (colDefs[i].SqlCtype == SQL_C_TIMESTAMP)
+            if (colDefs[colNo].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
-            if (qualTableName.Length())
+            wxString tStr = colDefs[colNo].ColName;
+
+            if (qualTableName.Length() && !tStr.Find(wxT('.')))
             {
-                pWhereClause += qualTableName;
+                pWhereClause += pDb->SQLTableName(qualTableName);
                 pWhereClause += wxT(".");
             }
-            pWhereClause += colDefs[i].ColName;
-            if (useLikeComparison && (colDefs[i].SqlCtype == SQL_C_CHAR))
+            pWhereClause += pDb->SQLColumnName(colDefs[colNo].ColName);
+
+            if (useLikeComparison && (colDefs[colNo].SqlCtype == SQL_C_CHAR))
                 pWhereClause += wxT(" LIKE ");
             else
                 pWhereClause += wxT(" = ");
-            switch(colDefs[i].SqlCtype)
+
+            switch(colDefs[colNo].SqlCtype)
             {
                 case SQL_C_CHAR:
-                    colValue.Printf(wxT("'%s'"), (UCHAR FAR *) colDefs[i].PtrDataObj);
+                    colValue.Printf(wxT("'%s'"), (UCHAR FAR *) colDefs[colNo].PtrDataObj);
                     break;
                 case SQL_C_SSHORT:
-                    colValue.Printf(wxT("%hi"), *((SWORD *) colDefs[i].PtrDataObj));
+                    colValue.Printf(wxT("%hi"), *((SWORD *) colDefs[colNo].PtrDataObj));
                     break;
                 case SQL_C_USHORT:
-                    colValue.Printf(wxT("%hu"), *((UWORD *) colDefs[i].PtrDataObj));
+                    colValue.Printf(wxT("%hu"), *((UWORD *) colDefs[colNo].PtrDataObj));
                     break;
                 case SQL_C_SLONG:
-                    colValue.Printf(wxT("%li"), *((SDWORD *) colDefs[i].PtrDataObj));
+                    colValue.Printf(wxT("%li"), *((SDWORD *) colDefs[colNo].PtrDataObj));
                     break;
                 case SQL_C_ULONG:
-                    colValue.Printf(wxT("%lu"), *((UDWORD *) colDefs[i].PtrDataObj));
+                    colValue.Printf(wxT("%lu"), *((UDWORD *) colDefs[colNo].PtrDataObj));
                     break;
                 case SQL_C_FLOAT:
-                    colValue.Printf(wxT("%.6f"), *((SFLOAT *) colDefs[i].PtrDataObj));
+                    colValue.Printf(wxT("%.6f"), *((SFLOAT *) colDefs[colNo].PtrDataObj));
                     break;
                 case SQL_C_DOUBLE:
-                    colValue.Printf(wxT("%.6f"), *((SDOUBLE *) colDefs[i].PtrDataObj));
+                    colValue.Printf(wxT("%.6f"), *((SDOUBLE *) colDefs[colNo].PtrDataObj));
                     break;
             }
             pWhereClause += colValue;
@@ -1329,7 +1390,9 @@ bool wxDbTable::CreateTable(bool attemptDrop)
 
     // Build a CREATE TABLE string from the colDefs structure.
     bool needComma = FALSE;
-    sqlStmt.Printf(wxT("CREATE TABLE %s ("), tableName.c_str());
+
+    sqlStmt.Printf(wxT("CREATE TABLE %s ("),
+                   pDb->SQLTableName(tableName.c_str()).c_str());
 
     for (i = 0; i < noCols; i++)
     {
@@ -1340,7 +1403,8 @@ bool wxDbTable::CreateTable(bool attemptDrop)
         if (needComma)
             sqlStmt += wxT(",");
         // Column Name
-        sqlStmt += colDefs[i].ColName;
+        sqlStmt += pDb->SQLColumnName(colDefs[i].ColName);
+//        sqlStmt += colDefs[i].ColName;
         sqlStmt += wxT(" ");
         // Column Type
         switch(colDefs[i].DbDataType)
@@ -1362,7 +1426,8 @@ bool wxDbTable::CreateTable(bool attemptDrop)
                 break;
         }
         // For varchars, append the size of the string
-        if (colDefs[i].DbDataType == DB_DATA_TYPE_VARCHAR)// ||
+        if (colDefs[i].DbDataType == DB_DATA_TYPE_VARCHAR &&
+            (pDb->Dbms() != dbmsMY_SQL || pDb->GetTypeInfVarchar().TypeName != _T("text")))// ||
 //            colDefs[i].DbDataType == DB_DATA_TYPE_BLOB)
         {
             wxString s;
@@ -1381,7 +1446,7 @@ bool wxDbTable::CreateTable(bool attemptDrop)
                 sqlStmt += wxT(" NOT NULL");
             }
         }
-        
+
         needComma = TRUE;
     }
     // If there is a primary key defined, include it in the create statement
@@ -1393,10 +1458,12 @@ bool wxDbTable::CreateTable(bool attemptDrop)
             break;
         }
     }
-    if (j && pDb->Dbms() != dbmsDBASE)  // Found a keyfield
+    if ( j && (pDb->Dbms() != dbmsDBASE)
+        && (pDb->Dbms() != dbmsXBASE_SEQUITER) )  // Found a keyfield
     {
         switch (pDb->Dbms())
         {
+            case dbmsACCESS:
             case dbmsINFORMIX:
             case dbmsSYBASE_ASA:
             case dbmsSYBASE_ASE:
@@ -1413,10 +1480,12 @@ bool wxDbTable::CreateTable(bool attemptDrop)
                 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 += tableName.substr(0, 13);
+                    sqlStmt += pDb->SQLTableName(tableName.substr(0, 13).c_str());
+//                    sqlStmt += tableName.substr(0, 13);
                 }
                 else
-                    sqlStmt += tableName;
+                    sqlStmt += pDb->SQLTableName(tableName.c_str());
+//                    sqlStmt += tableName;
 
                 sqlStmt += wxT("_PIDX PRIMARY KEY (");
                 break;
@@ -1430,7 +1499,15 @@ bool wxDbTable::CreateTable(bool attemptDrop)
             {
                 if (j++) // Multi part key, comma separate names
                     sqlStmt += wxT(",");
-                sqlStmt += colDefs[i].ColName;
+                sqlStmt += pDb->SQLColumnName(colDefs[i].ColName);
+
+                if (pDb->Dbms() == dbmsMY_SQL &&
+                    colDefs[i].DbDataType ==  DB_DATA_TYPE_VARCHAR)
+                {
+                    wxString s;
+                    s.Printf(wxT("(%d)"), colDefs[i].SzDataObj);
+                    sqlStmt += s;
+                }
             }
         }
         sqlStmt += wxT(")");
@@ -1440,7 +1517,8 @@ bool wxDbTable::CreateTable(bool attemptDrop)
             pDb->Dbms() == dbmsSYBASE_ASE)
         {
             sqlStmt += wxT(" CONSTRAINT ");
-            sqlStmt += tableName;
+            sqlStmt += pDb->SQLTableName(tableName);
+//            sqlStmt += tableName;
             sqlStmt += wxT("_PIDX");
         }
     }
@@ -1454,7 +1532,7 @@ bool wxDbTable::CreateTable(bool attemptDrop)
 #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);
@@ -1485,7 +1563,8 @@ bool wxDbTable::DropTable()
 
     wxString sqlStmt;
 
-    sqlStmt.Printf(wxT("DROP TABLE %s"), tableName.c_str());
+    sqlStmt.Printf(wxT("DROP TABLE %s"),
+                   pDb->SQLTableName(tableName.c_str()).c_str());
 
     pDb->WriteSqlLog(sqlStmt);
 
@@ -1493,22 +1572,19 @@ bool wxDbTable::DropTable()
     cout << endl << sqlStmt.c_str() << endl;
 #endif
 
-
-
-
-    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)
     {
         // Check for "Base table not found" error and ignore
-        pDb->GetNextError(henv, hdbc, hstmt);   
+        pDb->GetNextError(henv, hdbc, hstmt);
         if (wxStrcmp(pDb->sqlState, wxT("S0002")) /*&&
-            wxStrcmp(pDb->sqlState, wxT("S1000"))*/)  // "Base table not found" 
+            wxStrcmp(pDb->sqlState, wxT("S1000"))*/)  // "Base table not found"
         {
             // Check for product specific error codes
             if (!((pDb->Dbms() == dbmsSYBASE_ASA    && !wxStrcmp(pDb->sqlState,wxT("42000")))   ||  // 5.x (and lower?)
-                  (pDb->Dbms() == dbmsSYBASE_ASE    && !wxStrcmp(pDb->sqlState,wxT("37000")))   ||   
+                  (pDb->Dbms() == 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->Dbms() == dbmsPOSTGRES      && !wxStrcmp(pDb->sqlState,wxT("08S01")))))
             {
                 pDb->DispNextError();
                 pDb->DispAllErrors(henv, hdbc, hstmt);
@@ -1567,7 +1643,7 @@ bool wxDbTable::CreateIndex(const wxString &idxName, bool unique, UWORD noIdxCol
                 if (!found)
                     j++;
             }
-            
+
             if (found)
             {
                 ok = pDb->ModifyColumn(tableName, pIdxDefs[i].ColName,
@@ -1576,11 +1652,14 @@ bool wxDbTable::CreateIndex(const wxString &idxName, bool unique, UWORD noIdxCol
 
                 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
@@ -1594,26 +1673,49 @@ bool wxDbTable::CreateIndex(const wxString &idxName, bool unique, UWORD noIdxCol
             return(FALSE);
         }
     }
-    
+
     // Build a CREATE INDEX statement
     sqlStmt = wxT("CREATE ");
     if (unique)
         sqlStmt += wxT("UNIQUE ");
-    
+
     sqlStmt += wxT("INDEX ");
-    sqlStmt += idxName;
+    sqlStmt += pDb->SQLTableName(idxName);
     sqlStmt += wxT(" ON ");
-    sqlStmt += tableName;
+
+    sqlStmt += pDb->SQLTableName(tableName);
+//    sqlStmt += tableName;
     sqlStmt += wxT(" (");
-    
+
     // Append list of columns making up index
     int i;
     for (i = 0; i < noIdxCols; i++)
     {
-        sqlStmt += pIdxDefs[i].ColName;
+        sqlStmt += pDb->SQLColumnName(pIdxDefs[i].ColName);
+//        sqlStmt += pIdxDefs[i].ColName;
 
+        // MySQL requires a key length on VARCHAR keys
+        if ( pDb->Dbms() == dbmsMY_SQL )
+        {
+            // Find the details on this column
+            int j;
+            for ( j = 0; j < noCols; ++j )
+            {
+                if ( wxStrcmp( pIdxDefs[i].ColName, colDefs[j].ColName ) == 0 )
+                {
+                    break;
+                }
+            }
+            if ( colDefs[j].DbDataType ==  DB_DATA_TYPE_VARCHAR)
+            {
+                wxString s;
+                s.Printf(wxT("(%d)"), colDefs[i].SzDataObj);
+                sqlStmt += s;
+            }
+        }
+        
         // Postgres and SQL Server 7 do not support the ASC/DESC keywords for index columns
-        if (!((pDb->Dbms() == dbmsMS_SQL_SERVER) && (strncmp(pDb->dbInf.dbmsVer,"07",2)==0)) &&
+        if (!((pDb->Dbms() == dbmsMS_SQL_SERVER) && (wxStrncmp(pDb->dbInf.dbmsVer,_T("07"),2)==0)) &&
             !(pDb->Dbms() == dbmsPOSTGRES))
         {
             if (pIdxDefs[i].Ascending)
@@ -1622,12 +1724,12 @@ bool wxDbTable::CreateIndex(const wxString &idxName, bool unique, UWORD noIdxCol
                 sqlStmt += wxT(" DESC");
         }
         else
-            wxASSERT_MSG(pIdxDefs[i].Ascending, "Datasource does not support DESCending index columns");
+            wxASSERT_MSG(pIdxDefs[i].Ascending, _T("Datasource does not support DESCending index columns"));
 
         if ((i + 1) < noIdxCols)
             sqlStmt += wxT(",");
     }
-    
+
     // Append closing parentheses
     sqlStmt += wxT(")");
 
@@ -1638,7 +1740,7 @@ bool wxDbTable::CreateIndex(const wxString &idxName, bool unique, UWORD noIdxCol
 #endif
 
     // Execute the CREATE INDEX statement
-    if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+    if (SQLExecDirect(hstmt, (SQLTCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
     {
         pDb->DispAllErrors(henv, hdbc, hstmt);
         pDb->RollbackTrans();
@@ -1670,12 +1772,18 @@ bool wxDbTable::DropIndex(const wxString &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"),idxName.c_str(), tableName.c_str());
+        sqlStmt.Printf(wxT("DROP INDEX %s ON %s"),
+                       pDb->SQLTableName(idxName.c_str()).c_str(),
+                       pDb->SQLTableName(tableName.c_str()).c_str());
     else if ((pDb->Dbms() == dbmsMS_SQL_SERVER) ||
-             (pDb->Dbms() == dbmsSYBASE_ASE))
-        sqlStmt.Printf(wxT("DROP INDEX %s.%s"),tableName.c_str(), idxName.c_str());
+             (pDb->Dbms() == dbmsSYBASE_ASE) ||
+             (pDb->Dbms() == dbmsXBASE_SEQUITER))
+        sqlStmt.Printf(wxT("DROP INDEX %s.%s"),
+                       pDb->SQLTableName(tableName.c_str()).c_str(),
+                       pDb->SQLTableName(idxName.c_str()).c_str());
     else
-        sqlStmt.Printf(wxT("DROP INDEX %s"),idxName.c_str());
+        sqlStmt.Printf(wxT("DROP INDEX %s"),
+                       pDb->SQLTableName(idxName.c_str()).c_str());
 
     pDb->WriteSqlLog(sqlStmt);
 
@@ -1683,7 +1791,7 @@ bool wxDbTable::DropIndex(const wxString &idxName)
     cout << endl << sqlStmt.c_str() << endl;
 #endif
 
-    if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+    if (SQLExecDirect(hstmt, (SQLTCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
     {
         // Check for "Index not found" error and ignore
         pDb->GetNextError(henv, hdbc, hstmt);
@@ -1766,7 +1874,8 @@ int wxDbTable::Insert(void)
     // Insert the record by executing the already prepared insert statement
     RETCODE retcode;
     retcode=SQLExecute(hstmtInsert);
-    if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+    if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO &&
+        retcode != SQL_NEED_DATA)
     {
         // Check to see if integrity constraint was violated
         pDb->GetNextError(henv, hdbc, hstmtInsert);
@@ -1779,6 +1888,31 @@ 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 < noCols; i++)
+            {
+                if (colDefs[i].PtrDataObj == pParmID)
+                {
+                    // We found it.  Store the parameter.
+                    retcode = SQLPutData(hstmtInsert, pParmID, colDefs[i].SzDataObj);
+                    if (retcode != SQL_SUCCESS)
+                    {
+                        pDb->DispNextError();
+                        pDb->DispAllErrors(henv, hdbc, hstmtInsert);
+                        return(DB_FAILURE);
+                    }
+                    break;
+                }
+            }
+        }
+    }
 
     // Record inserted into the datasource successfully
     return(DB_SUCCESS);
@@ -2077,17 +2211,23 @@ void wxDbTable::SetColDefs(UWORD index, const wxString &fieldName, int dataType,
                            SWORD cType, int size, bool keyField, bool upd,
                            bool insAllow, bool derivedCol)
 {
+    wxASSERT_MSG( index < noCols,
+                  _T("Specified column index exceeds the maximum number of columns for this table.") );
+
     if (!colDefs)  // May happen if the database connection fails
         return;
 
     if (fieldName.Length() > (unsigned int) DB_MAX_COLUMN_NAME_LEN)
     {
-        int assertColumnNameTooLong = 0;
         wxStrncpy(colDefs[index].ColName, fieldName, DB_MAX_COLUMN_NAME_LEN);
         colDefs[index].ColName[DB_MAX_COLUMN_NAME_LEN] = 0;
+
+#ifdef __WXDEBUG__
         wxString tmpMsg;
-        tmpMsg.Printf("Column name '%s' is too long. Truncated to '%s'.",fieldName.c_str(),colDefs[index].ColName);
-        wxASSERT_MSG(assertColumnNameTooLong,tmpMsg.c_str());
+        tmpMsg.Printf(_T("Column name '%s' is too long. Truncated to '%s'."),
+                      fieldName.c_str(),colDefs[index].ColName);
+        wxFAIL_MSG(tmpMsg);
+#endif // __WXDEBUG__
     }
     else
         wxStrcpy(colDefs[index].ColName, fieldName);
@@ -2111,7 +2251,7 @@ void wxDbTable::SetColDefs(UWORD index, const wxString &fieldName, int dataType,
     }
 
     colDefs[index].Null                 = FALSE;
-    
+
 }  // wxDbTable::SetColDefs()
 
 
@@ -2124,7 +2264,7 @@ wxDbColDataPtr* wxDbTable::SetColDefs(wxDbColInf *pColInfs, UWORD numCols)
     if (pColInfs)
     {
         UWORD index;
-       
+
         pColDataPtrs = new wxDbColDataPtr[numCols+1];
 
         for (index = 0; index < numCols; index++)
@@ -2165,7 +2305,7 @@ wxDbColDataPtr* wxDbTable::SetColDefs(wxDbColInf *pColInfs, UWORD numCols)
                         pColDataPtrs[index].PtrDataObj = new double;
                         pColDataPtrs[index].SzDataObj  = sizeof(double);
                         pColDataPtrs[index].SqlCtype   = SQL_C_DOUBLE;
-                    }  
+                    }
                     break;
                 case DB_DATA_TYPE_DATE:
                     pColDataPtrs[index].PtrDataObj = new TIMESTAMP_STRUCT;
@@ -2173,8 +2313,7 @@ wxDbColDataPtr* wxDbTable::SetColDefs(wxDbColInf *pColInfs, UWORD numCols)
                     pColDataPtrs[index].SqlCtype   = SQL_C_TIMESTAMP;
                     break;
                 case DB_DATA_TYPE_BLOB:
-                    int notSupportedYet = 0;
-                    wxASSERT_MSG(notSupportedYet, wxT("This form of ::SetColDefs() cannot be used with BLOB columns"));
+                    wxFAIL_MSG(wxT("This form of ::SetColDefs() cannot be used with BLOB columns"));
                     pColDataPtrs[index].PtrDataObj = /*BLOB ADDITION NEEDED*/NULL;
                     pColDataPtrs[index].SzDataObj  = /*BLOB ADDITION NEEDED*/sizeof(void *);
                     pColDataPtrs[index].SqlCtype   = SQL_VARBINARY;
@@ -2184,7 +2323,7 @@ wxDbColDataPtr* wxDbTable::SetColDefs(wxDbColInf *pColInfs, UWORD numCols)
                 SetColDefs (index,pColInfs[index].colName,pColInfs[index].dbDataType, pColDataPtrs[index].PtrDataObj, pColDataPtrs[index].SqlCtype, pColDataPtrs[index].SzDataObj);
             else
             {
-                // Unable to build all the column definitions, as either one of 
+                // Unable to build all the column definitions, as either one of
                 // the calls to "new" failed above, or there was a BLOB field
                 // to have a column definition for.  If BLOBs are to be used,
                 // the other form of ::SetColDefs() must be used, as it is impossible
@@ -2222,7 +2361,8 @@ ULONG wxDbTable::Count(const wxString &args)
     sqlStmt  = wxT("SELECT COUNT(");
     sqlStmt += args;
     sqlStmt += wxT(") FROM ");
-    sqlStmt += queryTableName;
+    sqlStmt += pDb->SQLTableName(queryTableName);
+//    sqlStmt += queryTableName;
 #if wxODBC_BACKWARD_COMPATABILITY
     if (from && wxStrlen(from))
 #else
@@ -2253,7 +2393,7 @@ ULONG wxDbTable::Count(const wxString &args)
     }
 
     // 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);
@@ -2293,8 +2433,8 @@ bool wxDbTable::Refresh(void)
     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;
@@ -2314,7 +2454,8 @@ bool wxDbTable::Refresh(void)
         // based on the key fields.
         if (SQLGetData(hstmt, (UWORD)(noCols+1), SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS)
         {
-            whereClause += queryTableName;
+            whereClause += pDb->SQLTableName(queryTableName);
+//            whereClause += queryTableName;
             whereClause += wxT(".ROWID = '");
             whereClause += rowid;
             whereClause += wxT("'");
@@ -2357,7 +2498,10 @@ bool wxDbTable::SetColNull(UWORD colNo, bool set)
     {
         colDefs[colNo].Null = set;
         if (set)  // Blank out the values in the member variable
-            ClearMemberVar(colNo,FALSE);  // Must call with FALSE, or infinite recursion will happen
+        {
+           colDefs[colNo].CbValue = SQL_NULL_DATA; // SF PATCH#766404
+           ClearMemberVar(colNo,FALSE);  // Must call with FALSE, or infinite recursion will happen
+        }
         return(TRUE);
     }
     else
@@ -2369,18 +2513,21 @@ bool wxDbTable::SetColNull(UWORD colNo, bool set)
 /********** wxDbTable::SetColNull() **********/
 bool wxDbTable::SetColNull(const wxString &colName, bool set)
 {
-    int i;
-    for (i = 0; i < noCols; i++)
+    int colNo;
+    for (colNo = 0; colNo < noCols; colNo++)
     {
-        if (!wxStricmp(colName, colDefs[i].ColName))
+        if (!wxStricmp(colName, colDefs[colNo].ColName))
             break;
     }
 
-    if (i < noCols)
+    if (colNo < noCols)
     {
-        colDefs[i].Null = set;
+        colDefs[colNo].Null = set;
         if (set)  // Blank out the values in the member variable
-            ClearMemberVar(i,FALSE);  // Must call with FALSE, or infinite recursion will happen
+        {
+           colDefs[colNo].CbValue = SQL_NULL_DATA;  // SF PATCH#766404
+           ClearMemberVar(colNo,FALSE);  // Must call with FALSE, or infinite recursion will happen
+        }
         return(TRUE);
     }
     else
@@ -2439,7 +2586,7 @@ bool wxDbTable::DeleteCursor(HSTMT *hstmtDel)
 /*
 ODBC 3.0 says to use this form
     if (SQLFreeHandle(*hstmtDel, SQL_DROP) != SQL_SUCCESS)
-    
+
 */
     if (SQLFreeStmt(*hstmtDel, SQL_DROP) != SQL_SUCCESS)
     {
@@ -2476,53 +2623,53 @@ void wxDbTable::SetRowMode(const rowmode_t rowmode)
             SetCursor(hstmtDefault);
             break;
         default:
-            assert(0);
+           wxASSERT(0);
     }
 }  // wxDbTable::SetRowMode()
 
 
-wxVariant wxDbTable::GetCol(const int col) const
+wxVariant wxDbTable::GetCol(const int colNo) const
 {
     wxVariant val;
-    if ((col < noCols) && (!IsColNull(col)))
+    if ((colNo < noCols) && (!IsColNull(colNo)))
     {
-        switch (colDefs[col].SqlCtype)
+        switch (colDefs[colNo].SqlCtype)
         {
             case SQL_CHAR:
             case SQL_VARCHAR:
-                val = (char *)(colDefs[col].PtrDataObj);
+                val = (wxChar *)(colDefs[colNo].PtrDataObj);
                 break;
             case SQL_C_LONG:
             case SQL_C_SLONG:
-                val = *(long *)(colDefs[col].PtrDataObj);
+                val = *(long *)(colDefs[colNo].PtrDataObj);
                 break;
             case SQL_C_SHORT:
             case SQL_C_SSHORT:
-                val = (long int )(*(short *)(colDefs[col].PtrDataObj));
+                val = (long int )(*(short *)(colDefs[colNo].PtrDataObj));
                 break;
             case SQL_C_ULONG:
-                val = (long)(*(unsigned long *)(colDefs[col].PtrDataObj));
+                val = (long)(*(unsigned long *)(colDefs[colNo].PtrDataObj));
                 break;
             case SQL_C_TINYINT:
-                val = (long)(*(char *)(colDefs[col].PtrDataObj));
+                val = (long)(*(wxChar *)(colDefs[colNo].PtrDataObj));
                 break;
             case SQL_C_UTINYINT:
-                val = (long)(*(unsigned char *)(colDefs[col].PtrDataObj));
+                val = (long)(*(wxChar *)(colDefs[colNo].PtrDataObj));
                 break;
             case SQL_C_USHORT:
-                val = (long)(*(UWORD *)(colDefs[col].PtrDataObj));
+                val = (long)(*(UWORD *)(colDefs[colNo].PtrDataObj));
                 break;
             case SQL_C_DATE:
-                val = (DATE_STRUCT *)(colDefs[col].PtrDataObj);
+                val = (DATE_STRUCT *)(colDefs[colNo].PtrDataObj);
                 break;
             case SQL_C_TIME:
-                val = (TIME_STRUCT *)(colDefs[col].PtrDataObj);
+                val = (TIME_STRUCT *)(colDefs[colNo].PtrDataObj);
                 break;
             case SQL_C_TIMESTAMP:
-                val = (TIMESTAMP_STRUCT *)(colDefs[col].PtrDataObj);
+                val = (TIMESTAMP_STRUCT *)(colDefs[colNo].PtrDataObj);
                 break;
             case SQL_C_DOUBLE:
-                val = *(double *)(colDefs[col].PtrDataObj);
+                val = *(double *)(colDefs[colNo].PtrDataObj);
                 break;
             default:
                 assert(0);
@@ -2532,66 +2679,58 @@ wxVariant wxDbTable::GetCol(const int col) const
 }  // wxDbTable::GetCol()
 
 
-void csstrncpyt(char *s, const char *t, int n)
-{
-    while ((*s++ = *t++) && --n)
-    {};
-
-    *s = '\0';
-}
-
-void wxDbTable::SetCol(const int col, const wxVariant val)
+void wxDbTable::SetCol(const int colNo, const wxVariant val)
 {
     //FIXME: Add proper wxDateTime support to wxVariant..
     wxDateTime dateval;
 
-    SetColNull(col, val.IsNull());
+    SetColNull(colNo, val.IsNull());
 
     if (!val.IsNull())
     {
-        if ((colDefs[col].SqlCtype == SQL_C_DATE) 
-            || (colDefs[col].SqlCtype == SQL_C_TIME)
-            || (colDefs[col].SqlCtype == SQL_C_TIMESTAMP))
+        if ((colDefs[colNo].SqlCtype == SQL_C_DATE)
+            || (colDefs[colNo].SqlCtype == SQL_C_TIME)
+            || (colDefs[colNo].SqlCtype == SQL_C_TIMESTAMP))
         {
             //Returns null if invalid!
             if (!dateval.ParseDate(val.GetString()))
-                SetColNull(col,TRUE);
-        }               
+                SetColNull(colNo, TRUE);
+        }
 
-        switch (colDefs[col].SqlCtype)
+        switch (colDefs[colNo].SqlCtype)
         {
             case SQL_CHAR:
             case SQL_VARCHAR:
-                csstrncpyt((char *)(colDefs[col].PtrDataObj),
-                           val.GetString().c_str(), 
-                           colDefs[col].SzDataObj-1);
+                csstrncpyt((wxChar *)(colDefs[colNo].PtrDataObj),
+                           val.GetString().c_str(),
+                           colDefs[colNo].SzDataObj-1);
                 break;
             case SQL_C_LONG:
             case SQL_C_SLONG:
-                *(long *)(colDefs[col].PtrDataObj) = val;
+                *(long *)(colDefs[colNo].PtrDataObj) = val;
                 break;
             case SQL_C_SHORT:
             case SQL_C_SSHORT:
-                *(short *)(colDefs[col].PtrDataObj) = val.GetLong();
+                *(short *)(colDefs[colNo].PtrDataObj) = val.GetLong();
                 break;
             case SQL_C_ULONG:
-                *(unsigned long *)(colDefs[col].PtrDataObj) = val.GetLong();
+                *(unsigned long *)(colDefs[colNo].PtrDataObj) = val.GetLong();
                 break;
             case SQL_C_TINYINT:
-                *(char *)(colDefs[col].PtrDataObj) = val.GetChar();
+                *(wxChar *)(colDefs[colNo].PtrDataObj) = val.GetChar();
                 break;
             case SQL_C_UTINYINT:
-                *(unsigned char *)(colDefs[col].PtrDataObj) = val.GetChar();
+                *(wxChar *)(colDefs[colNo].PtrDataObj) = val.GetChar();
                 break;
             case SQL_C_USHORT:
-                *(unsigned short *)(colDefs[col].PtrDataObj) = val.GetLong();
+                *(unsigned short *)(colDefs[colNo].PtrDataObj) = val.GetLong();
                 break;
             //FIXME: Add proper wxDateTime support to wxVariant..
             case SQL_C_DATE:
                 {
                     DATE_STRUCT *dataptr =
-                        (DATE_STRUCT *)colDefs[col].PtrDataObj;
-                
+                        (DATE_STRUCT *)colDefs[colNo].PtrDataObj;
+
                     dataptr->year   = dateval.GetYear();
                     dataptr->month  = dateval.GetMonth()+1;
                     dataptr->day    = dateval.GetDay();
@@ -2600,8 +2739,8 @@ void wxDbTable::SetCol(const int col, const wxVariant val)
             case SQL_C_TIME:
                 {
                     TIME_STRUCT *dataptr =
-                        (TIME_STRUCT *)colDefs[col].PtrDataObj;
-                
+                        (TIME_STRUCT *)colDefs[colNo].PtrDataObj;
+
                     dataptr->hour   = dateval.GetHour();
                     dataptr->minute = dateval.GetMinute();
                     dataptr->second = dateval.GetSecond();
@@ -2610,18 +2749,18 @@ void wxDbTable::SetCol(const int col, const wxVariant val)
             case SQL_C_TIMESTAMP:
                 {
                     TIMESTAMP_STRUCT *dataptr =
-                        (TIMESTAMP_STRUCT *)colDefs[col].PtrDataObj;
+                        (TIMESTAMP_STRUCT *)colDefs[colNo].PtrDataObj;
                     dataptr->year   = dateval.GetYear();
                     dataptr->month  = dateval.GetMonth()+1;
                     dataptr->day    = dateval.GetDay();
-                
+
                     dataptr->hour   = dateval.GetHour();
                     dataptr->minute = dateval.GetMinute();
                     dataptr->second = dateval.GetSecond();
                 }
                 break;
             case SQL_C_DOUBLE:
-                *(double *)(colDefs[col].PtrDataObj) = val;
+                *(double *)(colDefs[colNo].PtrDataObj) = val;
                 break;
             default:
                 assert(0);
@@ -2633,11 +2772,11 @@ void wxDbTable::SetCol(const int col, const wxVariant val)
 GenericKey wxDbTable::GetKey()
 {
     void *blk;
-    char *blkptr;
-    
+    wxChar *blkptr;
+
     blk = malloc(m_keysize);
-    blkptr = (char *) blk;
-    
+    blkptr = (wxChar *) blk;
+
     int i;
     for (i=0; i < noCols; i++)
     {
@@ -2657,11 +2796,11 @@ GenericKey wxDbTable::GetKey()
 
 void wxDbTable::SetKey(const GenericKey& k)
 {
-    void *blk;
-    char *blkptr;
-    
+    void    *blk;
+    wxChar  *blkptr;
+
     blk = k.GetBlk();
-    blkptr = (char *)blk;
+    blkptr = (wxChar *)blk;
 
     int i;
     for (i=0; i < noCols; i++)