X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/78f071b6cc53774bf78262b168b9b8f7711b1287..1971d23c57b3c582f32d05704914ad902ec76fa5:/src/common/dbtable.cpp?ds=sidebyside

diff --git a/src/common/dbtable.cpp b/src/common/dbtable.cpp
index ba8833b035..866ade00f3 100644
--- a/src/common/dbtable.cpp
+++ b/src/common/dbtable.cpp
@@ -1,17 +1,15 @@
 ///////////////////////////////////////////////////////////////////////////////
 // Name:        dbtable.cpp
-// Purpose:     Implementation of the wxTable class.
+// Purpose:     Implementation of the wxDbTable class.
 // Author:      Doug Card
-// Mods:			 April 1999
-//						-Dynamic cursor support - Only one predefined cursor, as many others as
-//							you need may be created on demand
-//						-Reduced number of active cursors significantly 
-//						-Query-Only wxTable objects 
+// Modified by: George Tasker
+//              Bart Jourquin
+//              Mark Johnson
 // 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,
+// 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
@@ -26,60 +24,41 @@
 // SYNOPSIS START
 // SYNOPSIS STOP
 */
+#ifdef __GNUG__
+    #pragma implementation "dbtable.h"
+#endif
 
-// Use this line for wxWindows v1.x
-//#include "wx_ver.h"
-// Use this line for wxWindows v2.x
-#include "wx/version.h"
 #include  "wx/wxprec.h"
 
-#if wxMAJOR_VERSION == 2
-#	ifdef __GNUG__
-#	pragma implementation "dbtable.h"
-#	endif
+#ifdef __BORLANDC__
+    #pragma hdrstop
 #endif
 
 #ifdef DBDEBUG_CONSOLE
-#	include <iostream.h>
-#endif
-
-#ifdef    __BORLANDC__
-  #pragma hdrstop
-#endif  //__BORLANDC__
-
-#if wxMAJOR_VERSION == 2
-#	ifndef WX_PRECOMP
-#		include  "wx/wx.h"
-#	endif //WX_PRECOMP
+    #include "iostream.h"
+    #include "wx/ioswrap.h"
 #endif
 
-#if wxMAJOR_VERSION == 1
-#	if defined(wx_msw) || defined(wx_x)
-#		ifdef WX_PRECOMP
-#			include "wx_prec.h"
-#		else
-#			include "wx.h"
-#		endif
-#	endif
-#	define wxUSE_ODBC 1
+#ifndef WX_PRECOMP
+    #include "wx/string.h"
+    #include "wx/object.h"
+    #include "wx/list.h"
+    #include "wx/utils.h"
+    #if wxUSE_GUI
+        #include "wx/msgdlg.h"
+    #endif
+    #include "wx/log.h"
 #endif
+#include "wx/filefn.h"
 
 #if wxUSE_ODBC
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <assert.h>
-#if   wxMAJOR_VERSION == 1
-	#include "table.h"
-#elif wxMAJOR_VERSION == 2
-	#include "wx/dbtable.h"
-#endif
+//#include <assert.h>
 
-#ifdef __MWERKS__
-#define stricmp _stricmp
-#define strnicmp _strnicmp
-#endif
+#include "wx/dbtable.h"
 
 #ifdef __UNIX__
 // The HPUX preprocessor lines below were commented out on 8/20/97
@@ -95,1749 +74,2611 @@
 ULONG lastTableID = 0;
 
 
-#if __WXDEBUG__ > 0
-	wxList TablesInUse;
+#ifdef __WXDEBUG__
+    wxList TablesInUse;
 #endif
 
 
-/********** wxTable::wxTable() **********/
-wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols,
-					const char *qryTblName, bool qryOnly, char *tblPath)
-{
-	pDb					= pwxDB;					// Pointer to the wxDB object
-	henv					= 0;
-	hdbc					= 0;
-	hstmt					= 0;
-	hstmtDefault		= 0;						// Initialized below
-	hstmtCount			= 0;						// Initialized first time it is needed
-	hstmtInsert			= 0;
-	hstmtDelete			= 0;
-	hstmtUpdate			= 0;
-	hstmtInternal		= 0;
-	colDefs				= 0;
-	tableID				= 0;
-	noCols				= nCols;					// No. of cols in the table
-	where					= 0;						// Where clause
-	orderBy				= 0;						// Order By clause
-	from					= 0;						// From clause
-	selectForUpdate	= FALSE;					// SELECT ... FOR UPDATE; Indicates whether to include the FOR UPDATE phrase
-	queryOnly			= qryOnly;
-
-	assert (tblName);
-
-	strcpy(tableName, tblName);				// Table Name
-	if (tblPath)
-		strcpy(tablePath, tblPath);				// Table Path - used for dBase files
-
-	if (qryTblName)								// Name of the table/view to query
-		strcpy(queryTableName, qryTblName);
-	else
-		strcpy(queryTableName, tblName);
-
-//	assert(pDb);  // Assert is placed after table name is assigned for error reporting reasons
-	if (!pDb)
-		return;
-
-	pDb->nTables++;
-
-	char s[200];
-	tableID = ++lastTableID;
-	sprintf(s, "wxTable constructor (%-20s) tableID:[%6lu] pDb:[%p]", tblName,tableID,pDb);
-
-#if __WXDEBUG__ > 0
-	CstructTablesInUse *tableInUse;
-	tableInUse = new CstructTablesInUse();
-	tableInUse->tableName = tblName;
-	tableInUse->tableID = tableID;
-	tableInUse->pDb = pDb;
-	TablesInUse.Append(tableInUse);
+/********** 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 *****/
+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()
+
+
+/********** 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;
+    hstmtDelete         = 0;
+    hstmtUpdate         = 0;
+    hstmtInternal       = 0;
+    colDefs             = 0;
+    tableID             = 0;
+    noCols              = numColumns;               // Number of cols 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;
+    tablePath.Empty();
+    tableName.Empty();
+    queryTableName.Empty();
+
+    wxASSERT(tblName.Length());
+    wxASSERT(pDb);
+
+    if (!pDb)
+        return FALSE;
+
+    tableName = tblName;                        // Table Name
+    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;
+
+    pDb->incrementTableCount();
+
+    wxString s;
+    tableID = ++lastTableID;
+    s.Printf(wxT("wxDbTable constructor (%-20s) tableID:[%6lu] pDb:[%p]"), tblName.c_str(), tableID, pDb);
+
+#ifdef __WXDEBUG__
+    wxTablesInUse *tableInUse;
+    tableInUse            = new wxTablesInUse();
+    tableInUse->tableName = tblName;
+    tableInUse->tableID   = tableID;
+    tableInUse->pDb       = pDb;
+    TablesInUse.Append(tableInUse);
 #endif
 
-	pDb->WriteSqlLog(s);
-
-	// Grab the HENV and HDBC from the wxDB object
-	henv = pDb->henv;
-	hdbc = pDb->hdbc;
-
-	// Allocate space for column definitions
-	if (noCols)
-		colDefs = new CcolDef[noCols];  // Points to the first column defintion
-
-	// Allocate statement handles for the table
-	if (!queryOnly)
-	{
-		// Allocate a separate statement handle for performing inserts
-		if (SQLAllocStmt(hdbc, &hstmtInsert) != SQL_SUCCESS)
-			pDb->DispAllErrors(henv, hdbc);
-		// Allocate a separate statement handle for performing deletes
-		if (SQLAllocStmt(hdbc, &hstmtDelete) != SQL_SUCCESS)
-			pDb->DispAllErrors(henv, hdbc);
-		// Allocate a separate statement handle for performing updates
-		if (SQLAllocStmt(hdbc, &hstmtUpdate) != SQL_SUCCESS)
-			pDb->DispAllErrors(henv, hdbc);
-	}
-	// 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 (! strcmp(pDb->sqlState, "01S02"))  // Option Value Changed
-		{
-			// Datasource does not support static cursors.  Driver
-			// will substitute a cursor type.  Call SQLGetStmtOption()
-			// to determine which cursor type was selected.
-			if (SQLGetStmtOption(hstmtInternal, SQL_CURSOR_TYPE, &cursorType) != SQL_SUCCESS)
-				pDb->DispAllErrors(henv, hdbc, hstmtInternal);
+    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)
+    {
+        // Allocate a separate statement handle for performing inserts
+        if (SQLAllocStmt(hdbc, &hstmtInsert) != SQL_SUCCESS)
+            pDb->DispAllErrors(henv, hdbc);
+        // Allocate a separate statement handle for performing deletes
+        if (SQLAllocStmt(hdbc, &hstmtDelete) != SQL_SUCCESS)
+            pDb->DispAllErrors(henv, hdbc);
+        // Allocate a separate statement handle for performing updates
+        if (SQLAllocStmt(hdbc, &hstmtUpdate) != SQL_SUCCESS)
+            pDb->DispAllErrors(henv, hdbc);
+    }
+    // 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
+        {
+            // Datasource does not support static cursors.  Driver
+            // will substitute a cursor type.  Call SQLGetStmtOption()
+            // to determine which cursor type was selected.
+            if (SQLGetStmtOption(hstmtInternal, SQL_CURSOR_TYPE, &cursorType) != SQL_SUCCESS)
+                pDb->DispAllErrors(henv, hdbc, hstmtInternal);
 #ifdef DBDEBUG_CONSOLE
-			cout << "Static cursor changed to: ";
-			switch(cursorType)
-			{
-			case SQL_CURSOR_FORWARD_ONLY:
-				cout << "Forward Only";		break;
-			case SQL_CURSOR_STATIC:
-				cout << "Static";				break;
-			case SQL_CURSOR_KEYSET_DRIVEN:
-				cout << "Keyset Driven";	break;
-			case SQL_CURSOR_DYNAMIC:
-				cout << "Dynamic";			break;
-			}
-			cout << endl << endl;
+            cout << wxT("Static cursor changed to: ");
+            switch(cursorType)
+            {
+            case SQL_CURSOR_FORWARD_ONLY:
+                cout << wxT("Forward Only");
+                break;
+            case SQL_CURSOR_STATIC:
+                cout << wxT("Static");
+                break;
+            case SQL_CURSOR_KEYSET_DRIVEN:
+                cout << wxT("Keyset Driven");
+                break;
+            case SQL_CURSOR_DYNAMIC:
+                cout << wxT("Dynamic");
+                break;
+            }
+            cout << endl << endl;
 #endif
-		}
-		else
-		{
-			pDb->DispNextError();
-			pDb->DispAllErrors(henv, hdbc, hstmtInternal);
-		}
-	}
+            // BJO20000425
+            if (pDb->FwdOnlyCursors() && cursorType != SQL_CURSOR_FORWARD_ONLY)
+            {
+                // Force the use of a forward only cursor...
+                cursorType = SQL_CURSOR_FORWARD_ONLY;
+                if (SQLSetStmtOption(hstmtInternal, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS)
+                {
+                    // Should never happen
+                    pDb->GetNextError(henv, hdbc, hstmtInternal);
+                    return FALSE;
+                }
+            }
+        }
+        else
+        {
+            pDb->DispNextError();
+            pDb->DispAllErrors(henv, hdbc, hstmtInternal);
+        }
+    }
 #ifdef DBDEBUG_CONSOLE
-	else
-		cout << "Cursor Type set to STATIC" << endl << endl;
+    else
+        cout << wxT("Cursor Type set to STATIC") << endl << endl;
 #endif
 
-	if (!queryOnly)
-	{
-		// Set the cursor type for the INSERT statement handle
-		if (SQLSetStmtOption(hstmtInsert, SQL_CURSOR_TYPE, SQL_CURSOR_FORWARD_ONLY) != SQL_SUCCESS)
-			pDb->DispAllErrors(henv, hdbc, hstmtInsert);
-		// Set the cursor type for the DELETE statement handle
-		if (SQLSetStmtOption(hstmtDelete, SQL_CURSOR_TYPE, SQL_CURSOR_FORWARD_ONLY) != SQL_SUCCESS)
-			pDb->DispAllErrors(henv, hdbc, hstmtDelete);
-		// Set the cursor type for the UPDATE statement handle
-		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 = NewCursor(FALSE,FALSE);
-	assert(hstmtDefault);
-	hstmt = *hstmtDefault;
-
-}  // wxTable::wxTable()
-
-/********** wxTable::~wxTable() **********/
-wxTable::~wxTable()
-{
-	char s[80];
-	if (pDb)
-	{
-		sprintf(s, "wxTable destructor (%-20s) tableID:[%6lu] pDb:[%p]", tableName,tableID,pDb);
-		pDb->WriteSqlLog(s);
-	}
-
-#ifndef PROGRAM_FP4UPG
-#if __WXDEBUG__ > 0
-	if (tableID)
-	{
-		bool found = FALSE;
-		wxNode *pNode;
-		pNode = TablesInUse.First();
-		while (pNode && !found)
-		{
-			if (((CstructTablesInUse *)pNode->Data())->tableID == tableID)
-			{
-				found = TRUE;
-				if (!TablesInUse.DeleteNode(pNode))
-					wxMessageBox (s,"Unable to delete node!");
-			}
-			else
-				pNode = pNode->Next();
-		}
-		if (!found)
-		{
-			char msg[250];
-			sprintf(msg,"Unable to find the tableID in the linked\nlist of tables in use.\n\n%s",s);
-			wxMessageBox (msg,"NOTICE...");
-		}
-	}
-#endif
+    if (!queryOnly)
+    {
+        // Set the cursor type for the INSERT statement handle
+        if (SQLSetStmtOption(hstmtInsert, SQL_CURSOR_TYPE, SQL_CURSOR_FORWARD_ONLY) != SQL_SUCCESS)
+            pDb->DispAllErrors(henv, hdbc, hstmtInsert);
+        // Set the cursor type for the DELETE statement handle
+        if (SQLSetStmtOption(hstmtDelete, SQL_CURSOR_TYPE, SQL_CURSOR_FORWARD_ONLY) != SQL_SUCCESS)
+            pDb->DispAllErrors(henv, hdbc, hstmtDelete);
+        // Set the cursor type for the UPDATE statement handle
+        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);
+    hstmt = *hstmtDefault;
+
+    return TRUE;
+
+}  // wxDbTable::initialize()
+
+
+void wxDbTable::cleanup()
+{
+    wxString s;
+    if (pDb)
+    {
+        s.Printf(wxT("wxDbTable destructor (%-20s) tableID:[%6lu] pDb:[%p]"), tableName.c_str(), tableID, pDb);
+        pDb->WriteSqlLog(s);
+    }
+
+#ifdef __WXDEBUG__
+    if (tableID)
+    {
+        TablesInUse.DeleteContents(TRUE);
+        bool found = FALSE;
+
+        wxNode *pNode;
+        pNode = TablesInUse.First();
+        while (pNode && !found)
+        {
+            if (((wxTablesInUse *)pNode->Data())->tableID == tableID)
+            {
+                found = TRUE;
+                if (!TablesInUse.DeleteNode(pNode))
+                    wxLogDebug (s,wxT("Unable to delete node!"));
+            }
+            else
+                pNode = pNode->Next();
+        }
+        if (!found)
+        {
+            wxString msg;
+            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
-	// Decrement the wxDB table count
-	if (pDb)
-		pDb->nTables--;
-
-	// Delete memory allocated for column definitions
-	if (colDefs)
-		delete [] colDefs;
-
-	// Free statement handles
-	if (!queryOnly)
-	{
-		if (hstmtInsert)
-			if (SQLFreeStmt(hstmtInsert, SQL_DROP) != SQL_SUCCESS)
-				pDb->DispAllErrors(henv, hdbc);
-		if (hstmtDelete)
-			if (SQLFreeStmt(hstmtDelete, SQL_DROP) != SQL_SUCCESS)
-				pDb->DispAllErrors(henv, hdbc);
-		if (hstmtUpdate)
-			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)
-		DeleteCursor(hstmtDefault);
-	if (hstmtCount)
-		DeleteCursor(hstmtCount);
-
-}  // wxTable::~wxTable()
-
-/********** wxTable::Open() **********/
-bool wxTable::Open(void)
-{
-	if (!pDb)
-		return FALSE;
-
-	int i;
-	char sqlStmt[DB_MAX_STATEMENT_LEN];
-
-	// Verify that the table exists in the database
-	if (!pDb->TableExists(tableName,NULL,tablePath))
-	{
-		char s[128];
-		sprintf(s, "Error opening '%s', table/view does not exist in the database.", tableName);
-		pDb->LogError(s);
-		return(FALSE);
-	}
-
-	// Bind the member variables for field exchange between
-	// the wxTable object and the ODBC record.
-	if (!queryOnly)
-	{
-		if (!bindInsertParams())					// Inserts
-			return(FALSE);
-		if (!bindUpdateParams())					// Updates
-			return(FALSE);
-	}
-	if (!bindCols(*hstmtDefault))					// Selects
-		return(FALSE);
-	if (!bindCols(hstmtInternal))					// Internal use only
-		return(FALSE);
-	/*
-	 * Do NOT bind the hstmtCount cursor!!!
-	 */
-
-	// Build an insert statement using parameter markers
-	if (!queryOnly && noCols > 0)
-	{
-		bool needComma = FALSE;
-		sprintf(sqlStmt, "INSERT INTO %s (", tableName);
-		for (i = 0; i < noCols; i++)
-		{
-			if (! colDefs[i].InsertAllowed)
-				continue;
-			if (needComma)
-				strcat(sqlStmt, ",");
-			strcat(sqlStmt, colDefs[i].ColName);
-			needComma = TRUE;
-		}
-		needComma = FALSE;
-		strcat(sqlStmt, ") VALUES (");
-		for (i = 0; i < noCols; i++)
-		{
-			if (! colDefs[i].InsertAllowed)
-				continue;
-			if (needComma)
-				strcat(sqlStmt, ",");
-			strcat(sqlStmt, "?");
-			needComma = TRUE;
-		}
-		strcat(sqlStmt, ")");
-
-//		pDb->WriteSqlLog(sqlStmt);
-
-		// Prepare the insert statement for execution
-		if (SQLPrepare(hstmtInsert, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS)
-			return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
-	}
-	
-	// Completed successfully
-	return(TRUE);
-
-}  // wxTable::Open()
-
-/********** wxTable::Query() **********/
-bool wxTable::Query(bool forUpdate, bool distinct)
-{
-
-	return(query(DB_SELECT_WHERE, forUpdate, distinct));
-
-}  // wxTable::Query()
-
-/********** wxTable::QueryBySqlStmt() **********/
-bool wxTable::QueryBySqlStmt(char *pSqlStmt)
-{
-	pDb->WriteSqlLog(pSqlStmt);
-
-	return(query(DB_SELECT_STATEMENT, FALSE, FALSE, pSqlStmt));
-
-}  // wxTable::QueryBySqlStmt()
-
-/********** wxTable::QueryMatching() **********/
-bool wxTable::QueryMatching(bool forUpdate, bool distinct)
-{
-
-	return(query(DB_SELECT_MATCHING, forUpdate, distinct));
-
-}  // wxTable::QueryMatching()
-
-/********** wxTable::QueryOnKeyFields() **********/
-bool wxTable::QueryOnKeyFields(bool forUpdate, bool distinct)
-{
-
-	return(query(DB_SELECT_KEYFIELDS, forUpdate, distinct));
-
-}  // wxTable::QueryOnKeyFields()
-
-/********** wxTable::query() **********/
-bool wxTable::query(int queryType, bool forUpdate, bool distinct, char *pSqlStmt)
-{
-	char sqlStmt[DB_MAX_STATEMENT_LEN];
-
-	// 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;
-
-	// Set the SQL SELECT string
-	if (queryType != DB_SELECT_STATEMENT)				// A select statement was not passed in,
-	{																// so generate a select statement.
-		GetSelectStmt(sqlStmt, queryType, distinct);
-		pDb->WriteSqlLog(sqlStmt);
-	}
-
-	// Make sure the cursor is closed first
-	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);
-	if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
-		return(pDb->DispAllErrors(henv, hdbc, hstmt));
-
-	// Completed successfully
-	return(TRUE);
-
-}  // wxTable::query()
-
-/********** wxTable::GetSelectStmt() **********/
-void wxTable::GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct)
-{
-	char whereClause[DB_MAX_WHERE_CLAUSE_LEN];
-
-	whereClause[0] = 0;
-
-	// Build a select statement to query the database
-	strcpy(pSqlStmt, "SELECT ");
-
-	// SELECT DISTINCT values only?
-	if (distinct)
-		strcat(pSqlStmt, "DISTINCT ");
-
-	// Was a FROM clause specified to join tables to the base table?
-	// Available for ::Query() only!!!
-	bool appendFromClause = FALSE;
-	if (typeOfSelect == DB_SELECT_WHERE && from && strlen(from))
-		appendFromClause = TRUE;
-
-	// Add the column list
-	int i;
-	for (i = 0; i < noCols; i++)
-	{
-		// If joining tables, the base table column names must be qualified to avoid ambiguity
-		if (appendFromClause)
-		{
-			strcat(pSqlStmt, queryTableName);
-			strcat(pSqlStmt, ".");
-		}
-		strcat(pSqlStmt, colDefs[i].ColName);
-		if (i + 1 < noCols)
-			strcat(pSqlStmt, ",");
-	}
-
-	// 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 joining tables, the base table column names must be qualified to avoid ambiguity
-		if (appendFromClause)
-		{
-			strcat(pSqlStmt, ",");
-			strcat(pSqlStmt, queryTableName);
-			strcat(pSqlStmt, ".ROWID");
-		}
-		else
-			strcat(pSqlStmt, ",ROWID");
-	}
-
-	// Append the FROM tablename portion
-	strcat(pSqlStmt, " FROM ");
-	strcat(pSqlStmt, queryTableName);
-
-	// Sybase uses the HOLDLOCK keyword to lock a record during query.
-	// The HOLDLOCK keyword follows the table name in the from clause.
-	// Each table in the from clause must specify HOLDLOCK or
-	// 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))
-		strcat(pSqlStmt, " HOLDLOCK");
-
-	if (appendFromClause)
-		strcat(pSqlStmt, from);
-
-	// Append the WHERE clause.  Either append the where clause for the class
-	// or build a where clause.  The typeOfSelect determines this.
-	switch(typeOfSelect)
-	{
-	case DB_SELECT_WHERE:
-		if (where && strlen(where))	// May not want a where clause!!!
-		{
-			strcat(pSqlStmt, " WHERE ");
-			strcat(pSqlStmt, where);
-		}
-		break;
-	case DB_SELECT_KEYFIELDS:
-		GetWhereClause(whereClause, DB_WHERE_KEYFIELDS);
-		if (strlen(whereClause))
-		{
-			strcat(pSqlStmt, " WHERE ");
-			strcat(pSqlStmt, whereClause);
-		}
-		break;
-	case DB_SELECT_MATCHING:
-		GetWhereClause(whereClause, DB_WHERE_MATCHING);
-		if (strlen(whereClause))
-		{
-			strcat(pSqlStmt, " WHERE ");
-			strcat(pSqlStmt, whereClause);
-		}
-		break;
-	}
-
-	// Append the ORDER BY clause
-	if (orderBy && strlen(orderBy))
-	{
-		strcat(pSqlStmt, " ORDER BY ");
-		strcat(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())
-		strcat(pSqlStmt, " FOR UPDATE");
-
-}  // wxTable::GetSelectStmt()
-
-/********** wxTable::getRec() **********/
-bool wxTable::getRec(UWORD fetchType)
-{
-	RETCODE retcode;
-
-#if wxODBC_FWD_ONLY_CURSORS
-
-	// Fetch the NEXT, PREV, FIRST or LAST record, depending on fetchType
-	UDWORD  cRowsFetched;
-	UWORD   rowStatus;
-	if ((retcode = SQLExtendedFetch(hstmt, fetchType, 0, &cRowsFetched, &rowStatus)) != SQL_SUCCESS)
-		if (retcode == SQL_NO_DATA_FOUND)
-			return(FALSE);
-		else
-			return(pDb->DispAllErrors(henv, hdbc, hstmt));
+
+    // Decrement the wxDb table count
+    if (pDb)
+        pDb->decrementTableCount();
+
+    // Delete memory allocated for column definitions
+    if (colDefs)
+        delete [] colDefs;
+
+    // Free statement handles
+    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)
+        DeleteCursor(hstmtDefault);
+
+    if (hstmtCount)
+        DeleteCursor(hstmtCount);
+
+    if (m_hstmtGridQuery)
+        DeleteCursor(m_hstmtGridQuery);
+
+}  // wxDbTable::cleanup()
+
+
+/***************************** PRIVATE FUNCTIONS *****************************/
+
+
+/********** wxDbTable::bindParams() **********/
+bool wxDbTable::bindParams(bool forUpdate)
+{
+    wxASSERT(!queryOnly);
+    if (queryOnly)
+        return(FALSE);
+
+    SWORD   fSqlType    = 0;
+    UDWORD  precision   = 0;
+    SWORD   scale       = 0;
+
+    // Bind each column of the table that should be bound
+    // to a parameter marker
+    int i;
+    UWORD colNo;
+
+    for (i=0, colNo=1; i < noCols; i++)
+    {
+        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;
+                precision = colDefs[i].SzDataObj;
+                scale = 0;
+                if (colDefs[i].Null)
+                    colDefs[i].CbValue = SQL_NULL_DATA;
+                else
+                    colDefs[i].CbValue = SQL_NTS;
+                break;
+            case DB_DATA_TYPE_INTEGER:
+                fSqlType = pDb->GetTypeInfInteger().FsqlType;
+                precision = pDb->GetTypeInfInteger().Precision;
+                scale = 0;
+                if (colDefs[i].Null)
+                    colDefs[i].CbValue = SQL_NULL_DATA;
+                else
+                    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;
+                if (colDefs[i].Null)
+                    colDefs[i].CbValue = SQL_NULL_DATA;
+                else
+                    colDefs[i].CbValue = 0;
+                break;
+            case DB_DATA_TYPE_DATE:
+                fSqlType = pDb->GetTypeInfDate().FsqlType;
+                precision = pDb->GetTypeInfDate().Precision;
+                scale = 0;
+                if (colDefs[i].Null)
+                    colDefs[i].CbValue = SQL_NULL_DATA;
+                else
+                    colDefs[i].CbValue = 0;
+                break;
+            case DB_DATA_TYPE_BLOB:
+                fSqlType = pDb->GetTypeInfBlob().FsqlType;
+                precision = 50000;
+                scale = 0;
+                if (colDefs[i].Null)
+                    colDefs[i].CbValue = SQL_NULL_DATA;
+                else
+                    colDefs[i].CbValue = SQL_LEN_DATA_AT_EXEC(colDefs[i].SzDataObj);
+                break;
+        }
+        if (forUpdate)
+        {
+            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));
+            }
+        }
+        else
+        {
+            if (SQLBindParameter(hstmtInsert, 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, hstmtInsert));
+            }
+        }
+    }
+
+    // Completed successfully
+    return(TRUE);
+
+}  // wxDbTable::bindParams()
+
+
+/********** wxDbTable::bindInsertParams() **********/
+bool wxDbTable::bindInsertParams(void)
+{
+    return bindParams(FALSE);
+}  // wxDbTable::bindInsertParams()
+
+
+/********** wxDbTable::bindUpdateParams() **********/
+bool wxDbTable::bindUpdateParams(void)
+{
+    return bindParams(TRUE);
+}  // wxDbTable::bindUpdateParams()
+
+
+/********** wxDbTable::bindCols() **********/
+bool wxDbTable::bindCols(HSTMT cursor)
+{
+    // Bind each column of the table to a memory address for fetching data
+    UWORD i;
+    for (i = 0; i < noCols; i++)
+    {
+        if (SQLBindCol(cursor, (UWORD)(i+1), colDefs[i].SqlCtype, (UCHAR*) colDefs[i].PtrDataObj,
+                       colDefs[i].SzDataObj, &colDefs[i].CbValue ) != SQL_SUCCESS)
+        {
+          return (pDb->DispAllErrors(henv, hdbc, cursor));
+        }
+    }
+
+    // Completed successfully
+    return(TRUE);
+
+}  // wxDbTable::bindCols()
+
+
+/********** wxDbTable::getRec() **********/
+bool wxDbTable::getRec(UWORD fetchType)
+{
+    RETCODE retcode;
+
+    if (!pDb->FwdOnlyCursors())
+    {
+        // Fetch the NEXT, PREV, FIRST or LAST record, depending on fetchType
+        UDWORD  cRowsFetched;
+        UWORD   rowStatus;
+
+        retcode = SQLExtendedFetch(hstmt, fetchType, 0, &cRowsFetched, &rowStatus);
+        if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+        {
+            if (retcode == SQL_NO_DATA_FOUND)
+                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 < noCols; i++)
+                colDefs[i].Null = (colDefs[i].CbValue == SQL_NULL_DATA);
+        }
+    }
+    else
+    {
+        // Fetch the next record from the record set
+        retcode = SQLFetch(hstmt);
+        if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+        {
+            if (retcode == SQL_NO_DATA_FOUND)
+                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 < noCols; i++)
+                colDefs[i].Null = (colDefs[i].CbValue == SQL_NULL_DATA);
+        }
+    }
+
+    // Completed successfully
+    return(TRUE);
+
+}  // wxDbTable::getRec()
+
+
+/********** wxDbTable::execDelete() **********/
+bool wxDbTable::execDelete(const wxString &pSqlStmt)
+{
+    RETCODE retcode;
+
+    // Execute the DELETE statement
+    retcode = SQLExecDirect(hstmtDelete, (UCHAR 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);
+    }
+
+    // Problem deleting record
+    return(pDb->DispAllErrors(henv, hdbc, hstmtDelete));
+
+}  // wxDbTable::execDelete()
+
+
+/********** wxDbTable::execUpdate() **********/
+bool wxDbTable::execUpdate(const wxString &pSqlStmt)
+{
+    RETCODE retcode;
+
+    // Execute the UPDATE statement
+    retcode = SQLExecDirect(hstmtUpdate, (UCHAR 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);
+    }
+
+    // Problem updating record
+    return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
+
+}  // wxDbTable::execUpdate()
+
+
+/********** wxDbTable::query() **********/
+bool wxDbTable::query(int queryType, bool forUpdate, bool distinct, const wxString &pSqlStmt)
+{
+    wxString sqlStmt;
+
+    if (forUpdate)
+        // The user may wish to select for update, but the DBMS may not be capable
+        selectForUpdate = CanSelectForUpdate();
+    else
+        selectForUpdate = FALSE;
+
+    // Set the SQL SELECT string
+    if (queryType != DB_SELECT_STATEMENT)               // A select statement was not passed in,
+    {                                                   // so generate a select statement.
+        BuildSelectStmt(sqlStmt, queryType, distinct);
+        pDb->WriteSqlLog(sqlStmt);
+    }
+
+    // Make sure the cursor is closed first
+    if (!CloseCursor(hstmt))
+        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);
+    if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+        return(pDb->DispAllErrors(henv, hdbc, hstmt));
+
+    // Completed successfully
+    return(TRUE);
+
+}  // wxDbTable::query()
+
+
+/***************************** PUBLIC FUNCTIONS *****************************/
+
+
+/********** wxDbTable::Open() **********/
+bool wxDbTable::Open(bool checkPrivileges, bool checkTableExists)
+{
+    if (!pDb)
+        return FALSE;
+
+    int i;
+    wxString sqlStmt;
+    wxString s;
+//    int NumKeyCols=0;
+
+    // Calculate the maximum size of the concatenated
+    // keys for use with wxDbGrid
+    m_keysize = 0;
+    for (i=0; i < noCols; i++)
+    {
+        if (colDefs[i].KeyField)
+        {
+//            NumKeyCols++;
+            m_keysize += colDefs[i].SzDataObj;
+        }
+    }
+
+    s.Empty();
+    // Verify that the table exists in the database
+    if (checkTableExists && !pDb->TableExists(tableName, pDb->GetUsername(), tablePath))
+    {
+        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 += wxT(".\n");
+    }
+    else if (checkPrivileges)
+    {
+        // Verify the user has rights to access the table.
+        // Shortcut boolean evaluation to optimize out call to
+        // TablePrivileges
+        //
+        // Unfortunately this optimization doesn't seem to be
+        // reliable!
+        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");
+    }
+
+    if (!s.IsEmpty())
+    {
+        wxString p;
+
+        if (!tablePath.IsEmpty())
+            p.Printf(wxT("Error opening '%s/%s'.\n"),tablePath.c_str(),tableName.c_str());
+        else
+            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
+    // the wxDbTable object and the ODBC record.
+    if (!queryOnly)
+    {
+        if (!bindInsertParams())                    // Inserts
+            return(FALSE);
+
+        if (!bindUpdateParams())                    // Updates
+            return(FALSE);
+    }
+
+    if (!bindCols(*hstmtDefault))                   // Selects
+        return(FALSE);
+
+    if (!bindCols(hstmtInternal))                   // Internal use only
+        return(FALSE);
+
+     /*
+     * Do NOT bind the hstmtCount cursor!!!
+     */
+
+    // Build an insert statement using parameter markers
+    if (!queryOnly && noCols > 0)
+    {
+        bool needComma = FALSE;
+        sqlStmt.Printf(wxT("INSERT INTO %s ("), tableName.c_str());
+        for (i = 0; i < noCols; i++)
+        {
+            if (! colDefs[i].InsertAllowed)
+                continue;
+            if (needComma)
+                sqlStmt += wxT(",");
+            sqlStmt += colDefs[i].ColName;
+            needComma = TRUE;
+        }
+        needComma = FALSE;
+        sqlStmt += wxT(") VALUES (");
+
+        int insertableCount = 0;
+
+        for (i = 0; i < noCols; i++)
+        {
+            if (! colDefs[i].InsertAllowed)
+                continue;
+            if (needComma)
+                sqlStmt += wxT(",");
+            sqlStmt += wxT("?");
+            needComma = TRUE;
+            insertableCount++;
+        }
+        sqlStmt += wxT(")");
+
+        // Prepare the insert statement for execution
+        if (insertableCount)
+        {
+            if (SQLPrepare(hstmtInsert, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+                return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
+        }
+        else
+            insertable= FALSE;
+    }
+
+    // Completed successfully
+    return(TRUE);
+
+}  // wxDbTable::Open()
+
+
+/********** wxDbTable::Query() **********/
+bool wxDbTable::Query(bool forUpdate, bool distinct)
+{
+
+    return(query(DB_SELECT_WHERE, forUpdate, distinct));
+
+}  // wxDbTable::Query()
+
+
+/********** wxDbTable::QueryBySqlStmt() **********/
+bool wxDbTable::QueryBySqlStmt(const wxString &pSqlStmt)
+{
+    pDb->WriteSqlLog(pSqlStmt);
+
+    return(query(DB_SELECT_STATEMENT, FALSE, FALSE, pSqlStmt));
+
+}  // wxDbTable::QueryBySqlStmt()
+
+
+/********** wxDbTable::QueryMatching() **********/
+bool wxDbTable::QueryMatching(bool forUpdate, bool distinct)
+{
+
+    return(query(DB_SELECT_MATCHING, forUpdate, distinct));
+
+}  // wxDbTable::QueryMatching()
+
+
+/********** wxDbTable::QueryOnKeyFields() **********/
+bool wxDbTable::QueryOnKeyFields(bool forUpdate, bool distinct)
+{
+
+    return(query(DB_SELECT_KEYFIELDS, forUpdate, distinct));
+
+}  // wxDbTable::QueryOnKeyFields()
+
+
+/********** wxDbTable::GetPrev() **********/
+bool wxDbTable::GetPrev(void)
+{
+    if (pDb->FwdOnlyCursors())
+    {
+        wxFAIL_MSG(wxT("GetPrev()::Backward scrolling cursors are not enabled for this instance of wxDbTable"));
+        return FALSE;
+    }
+    else
+        return(getRec(SQL_FETCH_PRIOR));
+
+}  // wxDbTable::GetPrev()
+
+
+/********** wxDbTable::operator-- **********/
+bool wxDbTable::operator--(int)
+{
+    if (pDb->FwdOnlyCursors())
+    {
+        wxFAIL_MSG(wxT("operator--:Backward scrolling cursors are not enabled for this instance of wxDbTable"));
+        return FALSE;
+    }
+    else
+        return(getRec(SQL_FETCH_PRIOR));
+
+}  // wxDbTable::operator--
+
+
+/********** wxDbTable::GetFirst() **********/
+bool wxDbTable::GetFirst(void)
+{
+    if (pDb->FwdOnlyCursors())
+    {
+        wxFAIL_MSG(wxT("GetFirst():Backward scrolling cursors are not enabled for this instance of wxDbTable"));
+        return FALSE;
+    }
+    else
+        return(getRec(SQL_FETCH_FIRST));
+
+}  // wxDbTable::GetFirst()
+
+
+/********** wxDbTable::GetLast() **********/
+bool wxDbTable::GetLast(void)
+{
+    if (pDb->FwdOnlyCursors())
+    {
+        wxFAIL_MSG(wxT("GetLast()::Backward scrolling cursors are not enabled for this instance of wxDbTable"));
+        return FALSE;
+    }
+    else
+        return(getRec(SQL_FETCH_LAST));
+
+}  // wxDbTable::GetLast()
+
+
+/********** wxDbTable::BuildDeleteStmt() **********/
+void wxDbTable::BuildDeleteStmt(wxString &pSqlStmt, int typeOfDel, const wxString &pWhereClause)
+{
+    wxASSERT(!queryOnly);
+    if (queryOnly)
+        return;
+
+    wxString whereClause;
+
+    whereClause.Empty();
+
+    // 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"), tableName.c_str());
+        return;
+    }
+
+    pSqlStmt.Printf(wxT("DELETE FROM %s WHERE "), tableName.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 (CanUpdByROWID())
+            {
+                SDWORD 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)(noCols+1), SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &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;
 #else
+    if (typeOfSelect == DB_SELECT_WHERE && from.Length())
+        appendFromClause = TRUE;
+#endif
 
-	// Fetch the next record from the record set
-	retcode = SQLFetch(hstmt);
-	if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
-	{
-		if (retcode == SQL_NO_DATA_FOUND)
-			return(FALSE);
-		else
-			return(pDb->DispAllErrors(henv, hdbc, hstmt));
-	}
+    // Add the column list
+    int i;
+    for (i = 0; i < noCols; i++)
+    {
+        // If joining tables, the base table column names must be qualified to avoid ambiguity
+        if (appendFromClause || pDb->Dbms() == dbmsACCESS)
+        {
+            pSqlStmt += queryTableName;
+            pSqlStmt += wxT(".");
+        }
+        pSqlStmt += colDefs[i].ColName;
+        if (i + 1 < noCols)
+            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 joining tables, the base table column names must be qualified to avoid ambiguity
+        if (appendFromClause || pDb->Dbms() == dbmsACCESS)
+        {
+            pSqlStmt += wxT(",");
+            pSqlStmt += queryTableName;
+            pSqlStmt += wxT(".ROWID");
+        }
+        else
+            pSqlStmt += wxT(",ROWID");
+    }
+
+    // Append the FROM tablename portion
+    pSqlStmt += wxT(" FROM ");
+    pSqlStmt += queryTableName;
+
+    // Sybase uses the HOLDLOCK keyword to lock a record during query.
+    // The HOLDLOCK keyword follows the table name in the from clause.
+    // Each table in the from clause must specify HOLDLOCK or
+    // 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))
+        pSqlStmt += wxT(" HOLDLOCK");
+
+    if (appendFromClause)
+        pSqlStmt += from;
+
+    // Append the WHERE clause.  Either append the where clause for the class
+    // or build a where clause.  The typeOfSelect determines this.
+    switch(typeOfSelect)
+    {
+        case DB_SELECT_WHERE:
+#if wxODBC_BACKWARD_COMPATABILITY
+            if (where && wxStrlen(where))   // May not want a where clause!!!
+#else
+            if (where.Length())   // May not want a where clause!!!
+#endif
+            {
+                pSqlStmt += wxT(" WHERE ");
+                pSqlStmt += where;
+            }
+            break;
+        case DB_SELECT_KEYFIELDS:
+            BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS);
+            if (whereClause.Length())
+            {
+                pSqlStmt += wxT(" WHERE ");
+                pSqlStmt += whereClause;
+            }
+            break;
+        case DB_SELECT_MATCHING:
+            BuildWhereClause(whereClause, DB_WHERE_MATCHING);
+            if (whereClause.Length())
+            {
+                pSqlStmt += wxT(" WHERE ");
+                pSqlStmt += whereClause;
+            }
+            break;
+    }
+
+    // Append the ORDER BY clause
+#if wxODBC_BACKWARD_COMPATABILITY
+    if (orderBy && wxStrlen(orderBy))
+#else
+    if (orderBy.Length())
 #endif
+    {
+        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())
+        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 typeOfUpd, const wxString &pWhereClause)
+{
+    wxASSERT(!queryOnly);
+    if (queryOnly)
+        return;
+
+    wxString whereClause;
+    whereClause.Empty();
+
+    bool firstColumn = TRUE;
+
+    pSqlStmt.Printf(wxT("UPDATE %s SET "), tableName.Upper().c_str());
+
+    // 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)
+                pSqlStmt += wxT(",");
+            else
+                firstColumn = FALSE;
+            pSqlStmt += colDefs[i].ColName;
+            pSqlStmt += wxT(" = ?");
+        }
+    }
+
+    // Append the WHERE clause to the SQL UPDATE statement
+    pSqlStmt += wxT(" 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;
+                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)(noCols+1), SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &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 typeOfUpd, const wxString &pWhereClause)
+{
+    wxString tempSqlStmt;
+    BuildUpdateStmt(tempSqlStmt, typeOfUpd, 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 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)
+                pWhereClause += wxT(" AND ");
+            else
+                moreThanOneColumn = TRUE;
+            // Concatenate where phrase for the column
+            if (qualTableName.Length())
+            {
+                pWhereClause += qualTableName;
+                pWhereClause += wxT(".");
+            }
+            pWhereClause += colDefs[i].ColName;
+            if (useLikeComparison && (colDefs[i].SqlCtype == SQL_C_CHAR))
+                pWhereClause += wxT(" LIKE ");
+            else
+                pWhereClause += wxT(" = ");
+            switch(colDefs[i].SqlCtype)
+            {
+                case SQL_C_CHAR:
+                    colValue.Printf(wxT("'%s'"), (UCHAR FAR *) colDefs[i].PtrDataObj);
+                    break;
+                case SQL_C_SSHORT:
+                    colValue.Printf(wxT("%hi"), *((SWORD *) colDefs[i].PtrDataObj));
+                    break;
+                case SQL_C_USHORT:
+                    colValue.Printf(wxT("%hu"), *((UWORD *) colDefs[i].PtrDataObj));
+                    break;
+                case SQL_C_SLONG:
+                    colValue.Printf(wxT("%li"), *((SDWORD *) colDefs[i].PtrDataObj));
+                    break;
+                case SQL_C_ULONG:
+                    colValue.Printf(wxT("%lu"), *((UDWORD *) colDefs[i].PtrDataObj));
+                    break;
+                case SQL_C_FLOAT:
+                    colValue.Printf(wxT("%.6f"), *((SFLOAT *) colDefs[i].PtrDataObj));
+                    break;
+                case SQL_C_DOUBLE:
+                    colValue.Printf(wxT("%.6f"), *((SDOUBLE *) colDefs[i].PtrDataObj));
+                    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)
+{
+    UDWORD rowNum;
+
+    if (SQLGetStmtOption(hstmt, SQL_ROW_NUMBER, (UCHAR*) &rowNum) != SQL_SUCCESS)
+    {
+        pDb->DispAllErrors(henv, hdbc, hstmt);
+        return(0);
+    }
+
+    // Completed successfully
+    return((UWORD) rowNum);
+
+}  // wxDbTable::GetRowNum()
+
+
+/********** wxDbTable::CloseCursor() **********/
+bool wxDbTable::CloseCursor(HSTMT cursor)
+{
+    if (SQLFreeStmt(cursor, SQL_CLOSE) != SQL_SUCCESS)
+        return(pDb->DispAllErrors(henv, hdbc, cursor));
+
+    // Completed successfully
+    return(TRUE);
+
+}  // wxDbTable::CloseCursor()
 
-	// Completed successfully
-	return(TRUE);
-
-}  // wxTable::getRec()
-
-/********** wxTable::GetRowNum() **********/
-UWORD wxTable::GetRowNum(void)
-{
-	UDWORD rowNum;
-
-	if (SQLGetStmtOption(hstmt, SQL_ROW_NUMBER, (UCHAR*) &rowNum) != SQL_SUCCESS)
-	{
-		pDb->DispAllErrors(henv, hdbc, hstmt);
-		return(0);
-	}
-
-	// Completed successfully
-	return((UWORD) rowNum);
-
-}  // wxTable::GetRowNum()
-
-/********** wxTable::bindInsertParams() **********/
-bool wxTable::bindInsertParams(void)
-{
-	assert(!queryOnly);
-	if (queryOnly)
-		return(FALSE);
-
-	SWORD   fSqlType	= 0;
-	UDWORD  precision	= 0;
-	SWORD   scale		= 0;
-
-	// Bind each column (that can be inserted) of the table to a parameter marker
-	int i;
-	for (i = 0; i < noCols; i++)
-	{
-		if (! colDefs[i].InsertAllowed)
-			continue;
-		switch(colDefs[i].DbDataType)
-		{
-		case DB_DATA_TYPE_VARCHAR:
-			fSqlType = pDb->typeInfVarchar.FsqlType;
-			precision = colDefs[i].SzDataObj;
-			scale = 0;
-			colDefs[i].CbValue = SQL_NTS;
-			break;
-		case DB_DATA_TYPE_INTEGER:
-			fSqlType = pDb->typeInfInteger.FsqlType;
-			precision = pDb->typeInfInteger.Precision;
-			scale = 0;
-			colDefs[i].CbValue = 0;
-			break;
-		case DB_DATA_TYPE_FLOAT:
-			fSqlType = pDb->typeInfFloat.FsqlType;
-			precision = pDb->typeInfFloat.Precision;
-			scale = pDb->typeInfFloat.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->typeInfDate.FsqlType;
-			precision = pDb->typeInfDate.Precision;
-			scale = 0;
-			colDefs[i].CbValue = 0;
-			break;
-		}
-		// Null values
-		if (colDefs[i].Null)
-		{
-			colDefs[i].CbValue = SQL_NULL_DATA;
-			colDefs[i].Null = FALSE;
-		}
-		if (SQLBindParameter(hstmtInsert, i+1, 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);
-
-}  // wxTable::bindInsertParams()
-
-/********** wxTable::bindUpdateParams() **********/
-bool wxTable::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->typeInfVarchar.FsqlType;
-			precision = colDefs[i].SzDataObj;
-			scale = 0;
-			colDefs[i].CbValue = SQL_NTS;
-			break;
-		case DB_DATA_TYPE_INTEGER:
-			fSqlType = pDb->typeInfInteger.FsqlType;
-			precision = pDb->typeInfInteger.Precision;
-			scale = 0;
-			colDefs[i].CbValue = 0;
-			break;
-		case DB_DATA_TYPE_FLOAT:
-			fSqlType = pDb->typeInfFloat.FsqlType;
-			precision = pDb->typeInfFloat.Precision;
-			scale = pDb->typeInfFloat.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->typeInfDate.FsqlType;
-			precision = pDb->typeInfDate.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);
-
-}  // wxTable::bindUpdateParams()
-
-/********** wxTable::bindCols() **********/
-bool wxTable::bindCols(HSTMT cursor)
-{
-	static SDWORD  cb;
-	
-	// Bind each column of the table to a memory address for fetching data
-	int i;
-	for (i = 0; i < noCols; i++)
-	{
-		if (SQLBindCol(cursor, 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);
-
-}  // wxTable::bindCols()
-
-/********** wxTable::CloseCursor() **********/
-bool wxTable::CloseCursor(HSTMT cursor)
-{
-	if (SQLFreeStmt(cursor, SQL_CLOSE) != SQL_SUCCESS)
-		return(pDb->DispAllErrors(henv, hdbc, cursor));
-
-	// Completed successfully
-	return(TRUE);
-
-}  // wxTable::CloseCursor()
-
-/********** wxTable::CreateTable() **********/
-bool wxTable::CreateTable(bool attemptDrop)
-{
-	if (!pDb)
-		return FALSE;
-
-	int i, j;
-	char sqlStmt[DB_MAX_STATEMENT_LEN];
+
+/********** wxDbTable::CreateTable() **********/
+bool wxDbTable::CreateTable(bool attemptDrop)
+{
+    if (!pDb)
+        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;
+    // Drop table first
+    if (attemptDrop && !DropTable())
+        return FALSE;
 
-	// Create the table
+    // Create the table
 #ifdef DBDEBUG_CONSOLE
-	for (i = 0; i < noCols; i++)
-	{
-		// Exclude derived columns since they are NOT part of the base table
-		if (colDefs[i].DerivedCol)
-			continue;
-		cout << i + 1 << ": " << colDefs[i].ColName << "; ";
-		switch(colDefs[i].DbDataType)
-		{
-			case DB_DATA_TYPE_VARCHAR:
-				cout << pDb->typeInfVarchar.TypeName << "(" << colDefs[i].SzDataObj << ")";
-				break;
-			case DB_DATA_TYPE_INTEGER:
-				cout << pDb->typeInfInteger.TypeName;
-				break;
-			case DB_DATA_TYPE_FLOAT:
-				cout << pDb->typeInfFloat.TypeName;
-				break;
-			case DB_DATA_TYPE_DATE:
-				cout << pDb->typeInfDate.TypeName;
-				break;
-		}
-		cout << endl;
-	}
+    for (i = 0; i < noCols; i++)
+    {
+        // Exclude derived columns since they are NOT part of the base table
+        if (colDefs[i].DerivedCol)
+            continue;
+        cout << i + 1 << wxT(": ") << colDefs[i].ColName << wxT("; ");
+        switch(colDefs[i].DbDataType)
+        {
+            case DB_DATA_TYPE_VARCHAR:
+                cout << pDb->GetTypeInfVarchar().TypeName << wxT("(") << colDefs[i].SzDataObj << wxT(")");
+                break;
+            case DB_DATA_TYPE_INTEGER:
+                cout << pDb->GetTypeInfInteger().TypeName;
+                break;
+            case DB_DATA_TYPE_FLOAT:
+                cout << pDb->GetTypeInfFloat().TypeName;
+                break;
+            case DB_DATA_TYPE_DATE:
+                cout << pDb->GetTypeInfDate().TypeName;
+                break;
+            case DB_DATA_TYPE_BLOB:
+                cout << pDb->GetTypeInfBlob().TypeName;
+                break;
+        }
+        cout << endl;
+    }
 #endif
 
-	// Build a CREATE TABLE string from the colDefs structure.
-	bool needComma = FALSE;
-	sprintf(sqlStmt, "CREATE TABLE %s (", tableName);
-	for (i = 0; i < noCols; i++)
-	{
-		// Exclude derived columns since they are NOT part of the base table
-		if (colDefs[i].DerivedCol)
-			continue;
-		// Comma Delimiter
-		if (needComma)
-		   strcat(sqlStmt, ",");
-		// Column Name
-		strcat(sqlStmt, colDefs[i].ColName);
-		strcat(sqlStmt, " ");
-		// Column Type
-		switch(colDefs[i].DbDataType)
-		{
-			case DB_DATA_TYPE_VARCHAR:
-				strcat(sqlStmt, pDb->typeInfVarchar.TypeName); break;
-			case DB_DATA_TYPE_INTEGER:
-				strcat(sqlStmt, pDb->typeInfInteger.TypeName); break;
-			case DB_DATA_TYPE_FLOAT:
-				strcat(sqlStmt, pDb->typeInfFloat.TypeName); break;
-			case DB_DATA_TYPE_DATE:
-				strcat(sqlStmt, pDb->typeInfDate.TypeName); break;
-		}
-		// For varchars, append the size of the string
-		if (colDefs[i].DbDataType == DB_DATA_TYPE_VARCHAR)
-		{
-			char s[10];
-			// strcat(sqlStmt, "(");
-			// strcat(sqlStmt, itoa(colDefs[i].SzDataObj, s, 10));
-			// strcat(sqlStmt, ")");
-			sprintf(s, "(%d)", colDefs[i].SzDataObj);
-			strcat(sqlStmt, s);
-		}
- 
-		if (pDb->Dbms() == dbmsSYBASE_ASE || pDb->Dbms() == dbmsMY_SQL)
-		{
-			if (colDefs[i].KeyField)
-			{
-					  strcat(sqlStmt, " NOT NULL");
-			}
-		}
-		
-		needComma = TRUE;
-	}
-	// If there is a primary key defined, include it in the create statement
-	for (i = j = 0; i < noCols; i++)
-	{
-		if (colDefs[i].KeyField)
-		{
-			j++;
-			break;
-		}
-	}
-	if (j && pDb->Dbms() != dbmsDBASE)	// Found a keyfield
-	{
-		if (pDb->Dbms() != dbmsMY_SQL)
-		{
-			strcat(sqlStmt, ",CONSTRAINT ");
-			strcat(sqlStmt, tableName);
-			strcat(sqlStmt, "_PIDX PRIMARY KEY (");
-		}
-		else
-		{
-			/* MySQL goes out on this one. We also declare the relevant key NON NULL above */
-			strcat(sqlStmt, ", PRIMARY KEY (");
-		}
-
-		// List column name(s) of column(s) comprising the primary key
-		for (i = j = 0; i < noCols; i++)
-		{
-			if (colDefs[i].KeyField)
-			{
-				if (j++) // Multi part key, comma separate names
-					strcat(sqlStmt, ",");
-				strcat(sqlStmt, colDefs[i].ColName);
-			}
-		}
-	   strcat(sqlStmt, ")");
-	}
-	// Append the closing parentheses for the create table statement
-   strcat(sqlStmt, ")");
-
-	pDb->WriteSqlLog(sqlStmt);
+    // Build a CREATE TABLE string from the colDefs structure.
+    bool needComma = FALSE;
+    sqlStmt.Printf(wxT("CREATE TABLE %s ("), tableName.c_str());
+
+    for (i = 0; i < noCols; i++)
+    {
+        // Exclude derived columns since they are NOT part of the base table
+        if (colDefs[i].DerivedCol)
+            continue;
+        // Comma Delimiter
+        if (needComma)
+            sqlStmt += wxT(",");
+        // Column Name
+        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_INTEGER:
+                sqlStmt += pDb->GetTypeInfInteger().TypeName;
+                break;
+            case DB_DATA_TYPE_FLOAT:
+                sqlStmt += pDb->GetTypeInfFloat().TypeName;
+                break;
+            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)// ||
+//            colDefs[i].DbDataType == DB_DATA_TYPE_BLOB)
+        {
+            wxString s;
+            s.Printf(wxT("(%d)"), colDefs[i].SzDataObj);
+            sqlStmt += s;
+        }
+
+        if (pDb->Dbms() == dbmsDB2 ||
+            pDb->Dbms() == dbmsMY_SQL ||
+            pDb->Dbms() == dbmsSYBASE_ASE  ||
+            pDb->Dbms() == dbmsINTERBASE  ||
+            pDb->Dbms() == dbmsMS_SQL_SERVER)
+        {
+            if (colDefs[i].KeyField)
+            {
+                sqlStmt += wxT(" NOT NULL");
+            }
+        }
+
+        needComma = TRUE;
+    }
+    // If there is a primary key defined, include it in the create statement
+    for (i = j = 0; i < noCols; i++)
+    {
+        if (colDefs[i].KeyField)
+        {
+            j++;
+            break;
+        }
+    }
+    if (j && pDb->Dbms() != dbmsDBASE)  // Found a keyfield
+    {
+        switch (pDb->Dbms())
+        {
+            case dbmsINFORMIX:
+            case dbmsSYBASE_ASA:
+            case dbmsSYBASE_ASE:
+            case dbmsMY_SQL:
+            {
+                // MySQL goes out on this one. We also declare the relevant key NON NULL above
+                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 += tableName.substr(0, 13);
+                }
+                else
+                    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++)
+        {
+            if (colDefs[i].KeyField)
+            {
+                if (j++) // Multi part key, comma separate names
+                    sqlStmt += wxT(",");
+                sqlStmt += colDefs[i].ColName;
+            }
+        }
+        sqlStmt += wxT(")");
+
+        if (pDb->Dbms() == dbmsINFORMIX ||
+            pDb->Dbms() == dbmsSYBASE_ASA ||
+            pDb->Dbms() == dbmsSYBASE_ASE)
+        {
+            sqlStmt += wxT(" CONSTRAINT ");
+            sqlStmt += tableName;
+            sqlStmt += wxT("_PIDX");
+        }
+    }
+    // Append the closing parentheses for the create table statement
+    sqlStmt += wxT(")");
+
+    pDb->WriteSqlLog(sqlStmt);
 
 #ifdef DBDEBUG_CONSOLE
-	cout << endl << sqlStmt << endl;
+    cout << endl << sqlStmt.c_str() << endl;
 #endif
 
-	// Execute the CREATE TABLE statement
-	if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS)
-	{
-		pDb->DispAllErrors(henv, hdbc, hstmt);
-		pDb->RollbackTrans();
-		CloseCursor(hstmt);
-		return(FALSE);
-	}
+    // Execute the CREATE TABLE statement
+    RETCODE retcode = SQLExecDirect(hstmt, (UCHAR 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);
+    }
+
+    // Commit the transaction and close the cursor
+    if (!pDb->CommitTrans())
+        return(FALSE);
+    if (!CloseCursor(hstmt))
+        return(FALSE);
 
-	// Commit the transaction and close the cursor
-	if (! pDb->CommitTrans())
-		return(FALSE);
-	if (! CloseCursor(hstmt))
-		return(FALSE);
+    // Database table created successfully
+    return(TRUE);
 
-	// Database table created successfully
-	return(TRUE);
+} // wxDbTable::CreateTable()
 
-} // wxTable::CreateTable()
 
-/********** wxTable::DropTable() **********/
-bool wxTable::DropTable()
+/********** wxDbTable::DropTable() **********/
+bool wxDbTable::DropTable()
 {
-	// 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
+    // 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
 
-	char sqlStmt[DB_MAX_STATEMENT_LEN];
+    wxString sqlStmt;
 
-	sprintf(sqlStmt, "DROP TABLE %s", tableName);
+    sqlStmt.Printf(wxT("DROP TABLE %s"), tableName.c_str());
 
-	pDb->WriteSqlLog(sqlStmt);
+    pDb->WriteSqlLog(sqlStmt);
 
 #ifdef DBDEBUG_CONSOLE
-	cout << endl << sqlStmt << endl;
+    cout << endl << sqlStmt.c_str() << endl;
 #endif
 
-	if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS)
-	{
-		// Check for "Base table not found" error and ignore
-		pDb->GetNextError(henv, hdbc, hstmt);
-		if (strcmp(pDb->sqlState,"S0002"))  // "Base table not found"
-		{
-			// Check for product specific error codes
-			if (!((pDb->Dbms() == dbmsSYBASE_ASA	&& !strcmp(pDb->sqlState,"42000"))	 ||  // 5.x (and lower?)
-				   (pDb->Dbms() == dbmsMY_SQL			&& !strcmp(pDb->sqlState,"S1000"))	 ||  // untested
-				   (pDb->Dbms() == dbmsPOSTGRES		&& !strcmp(pDb->sqlState,"08S01")))) 	  // untested
-			{
-				pDb->DispNextError();
-				pDb->DispAllErrors(henv, hdbc, hstmt);
-				pDb->RollbackTrans();
-				CloseCursor(hstmt);
-				return(FALSE);
-			}
-		}
-	}
-
-	// Commit the transaction and close the cursor
-	if (! pDb->CommitTrans())
-		return(FALSE);
-	if (! CloseCursor(hstmt))
-		return(FALSE);
-
-	return(TRUE);
-}  // wxTable::DropTable()
-
-/********** wxTable::CreateIndex() **********/
-bool wxTable::CreateIndex(char * idxName, bool unique, int noIdxCols, CidxDef *pIdxDefs, bool attemptDrop)
-{
-	char sqlStmt[DB_MAX_STATEMENT_LEN];
-
-	// Drop the index first
-	if (attemptDrop && !DropIndex(idxName))
-		return (FALSE);
-
-	// Build a CREATE INDEX statement
-	strcpy(sqlStmt, "CREATE ");
-	if (unique)
-		strcat(sqlStmt, "UNIQUE ");
-
-	strcat(sqlStmt, "INDEX ");
-	strcat(sqlStmt, idxName);
-	strcat(sqlStmt, " ON ");
-	strcat(sqlStmt, tableName);
-	strcat(sqlStmt, " (");
-
-	// Append list of columns making up index
-	int i;
-	for (i = 0; i < noIdxCols; i++)
-	{
-		strcat(sqlStmt, pIdxDefs[i].ColName);
-      /* Postgres doesn't cope with ASC */
-		if (pDb->Dbms() != dbmsPOSTGRES)
-		{
-			if (pIdxDefs[i].Ascending)
-				strcat(sqlStmt, " ASC");
-			else
-				strcat(sqlStmt, " DESC");
-		}
-
-		if ((i + 1) < noIdxCols)
-			strcat(sqlStmt, ",");
-	}
-	
-	// Append closing parentheses
-	strcat(sqlStmt, ")");
-
-	pDb->WriteSqlLog(sqlStmt);
+
+
+
+    RETCODE retcode = SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS);
+    if (retcode != SQL_SUCCESS)
+    {
+        // Check for "Base table not found" error and ignore
+        pDb->GetNextError(henv, hdbc, hstmt);
+        if (wxStrcmp(pDb->sqlState, wxT("S0002")) /*&&
+            wxStrcmp(pDb->sqlState, wxT("S1000"))*/)  // "Base table not found"
+        {
+            // 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() == 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);
+            }
+        }
+    }
+
+    // Commit the transaction and close the cursor
+    if (! pDb->CommitTrans())
+        return(FALSE);
+    if (! CloseCursor(hstmt))
+        return(FALSE);
+
+    return(TRUE);
+}  // wxDbTable::DropTable()
+
+
+/********** wxDbTable::CreateIndex() **********/
+bool wxDbTable::CreateIndex(const wxString &idxName, bool unique, UWORD noIdxCols,
+                                     wxDbIdxDef *pIdxDefs, bool attemptDrop)
+{
+    wxString sqlStmt;
+
+    // Drop the index first
+    if (attemptDrop && !DropIndex(idxName))
+        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,
+    // it may not be known which columns are necessarily going to be part of an index (e.g. the
+    // table was created, then months later you determine that an additional index while
+    // give better performance, so you want to add an index).
+    //
+    // The following block of code will modify the column definition to make the column be
+    // defined with the "NOT NULL" qualifier.
+    if (pDb->Dbms() == dbmsMY_SQL)
+    {
+        wxString sqlStmt;
+        int i;
+        bool ok = TRUE;
+        for (i = 0; i < noIdxCols && ok; i++)
+        {
+            int   j = 0;
+            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))
+            {
+                if (wxStrcmp(colDefs[j].ColName,pIdxDefs[i].ColName) == 0)
+                    found = TRUE;
+                if (!found)
+                    j++;
+            }
+
+            if (found)
+            {
+                ok = pDb->ModifyColumn(tableName, pIdxDefs[i].ColName,
+                                        colDefs[j].DbDataType, colDefs[j].SzDataObj,
+                                        wxT("NOT NULL"));
+
+                if (!ok)
+                {
+                    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;
+                }
+            }
+            else
+                ok = FALSE;
+        }
+        if (ok)
+            pDb->CommitTrans();
+        else
+        {
+            pDb->RollbackTrans();
+            return(FALSE);
+        }
+    }
+
+    // Build a CREATE INDEX statement
+    sqlStmt = wxT("CREATE ");
+    if (unique)
+        sqlStmt += wxT("UNIQUE ");
+
+    sqlStmt += wxT("INDEX ");
+    sqlStmt += idxName;
+    sqlStmt += wxT(" ON ");
+    sqlStmt += tableName;
+    sqlStmt += wxT(" (");
+
+    // Append list of columns making up index
+    int i;
+    for (i = 0; i < noIdxCols; i++)
+    {
+        sqlStmt += pIdxDefs[i].ColName;
+
+        // Postgres and SQL Server 7 do not support the ASC/DESC keywords for index columns
+        if (!((pDb->Dbms() == dbmsMS_SQL_SERVER) && (strncmp(pDb->dbInf.dbmsVer,"07",2)==0)) &&
+            !(pDb->Dbms() == dbmsPOSTGRES))
+        {
+            if (pIdxDefs[i].Ascending)
+                sqlStmt += wxT(" ASC");
+            else
+                sqlStmt += wxT(" DESC");
+        }
+        else
+            wxASSERT_MSG(pIdxDefs[i].Ascending, "Datasource does not support DESCending index columns");
+
+        if ((i + 1) < noIdxCols)
+            sqlStmt += wxT(",");
+    }
+
+    // Append closing parentheses
+    sqlStmt += wxT(")");
+
+    pDb->WriteSqlLog(sqlStmt);
 
 #ifdef DBDEBUG_CONSOLE
-	cout << endl << sqlStmt << endl << endl;
+    cout << endl << sqlStmt.c_str() << endl << endl;
 #endif
 
-	// Execute the CREATE INDEX statement
-	if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS)
-	{
-		pDb->DispAllErrors(henv, hdbc, hstmt);
-		pDb->RollbackTrans();
-		CloseCursor(hstmt);
-		return(FALSE);
-	}
+    // Execute the CREATE INDEX statement
+    if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+    {
+        pDb->DispAllErrors(henv, hdbc, hstmt);
+        pDb->RollbackTrans();
+        CloseCursor(hstmt);
+        return(FALSE);
+    }
 
-	// Commit the transaction and close the cursor
-	if (! pDb->CommitTrans())
-		return(FALSE);
-	if (! CloseCursor(hstmt))
-		return(FALSE);
+    // Commit the transaction and close the cursor
+    if (! pDb->CommitTrans())
+        return(FALSE);
+    if (! CloseCursor(hstmt))
+        return(FALSE);
 
-	// Index Created Successfully
-	return(TRUE);
+    // Index Created Successfully
+    return(TRUE);
 
-}  // wxTable::CreateIndex()
+}  // wxDbTable::CreateIndex()
 
-/********** wxTable::DropIndex() **********/
-bool wxTable::DropIndex(char * idxName)
+
+/********** wxDbTable::DropIndex() **********/
+bool wxDbTable::DropIndex(const wxString &idxName)
 {
-	// NOTE: This function returns TRUE if the Index does not exist, but
-	//       only for identified databases.  Code will need to be added
-	//			below for any other databases when those databases are defined
-	//       to handle this situation consistently
+    // 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
+    //       to handle this situation consistently
 
-	char sqlStmt[DB_MAX_STATEMENT_LEN];
+    wxString sqlStmt;
 
-	if (pDb->Dbms() == dbmsACCESS)
-		sprintf(sqlStmt, "DROP INDEX %s ON %s",idxName,tableName);
-	else if (pDb->Dbms() == dbmsSYBASE_ASE)
-		sprintf(sqlStmt, "DROP INDEX %s.%s",tableName,idxName);
-	else
-		sprintf(sqlStmt, "DROP INDEX %s",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());
+    else if ((pDb->Dbms() == dbmsMS_SQL_SERVER) ||
+             (pDb->Dbms() == dbmsSYBASE_ASE))
+        sqlStmt.Printf(wxT("DROP INDEX %s.%s"),tableName.c_str(), idxName.c_str());
+    else
+        sqlStmt.Printf(wxT("DROP INDEX %s"),idxName.c_str());
 
-	pDb->WriteSqlLog(sqlStmt);
+    pDb->WriteSqlLog(sqlStmt);
 
 #ifdef DBDEBUG_CONSOLE
-	cout << endl << sqlStmt << endl;
+    cout << endl << sqlStmt.c_str() << endl;
 #endif
 
-	if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS)
-	{
-		// Check for "Index not found" error and ignore
-		pDb->GetNextError(henv, hdbc, hstmt);
-		if (strcmp(pDb->sqlState,"S0012"))  // "Index not found"
-		{
-			// Check for product specific error codes
-			if (!((pDb->Dbms() == dbmsSYBASE_ASA	&& !strcmp(pDb->sqlState,"42000"))   ||  // v5.x (and lower?)
-				   (pDb->Dbms() == dbmsSYBASE_ASE	&& !strcmp(pDb->sqlState,"S0002"))   ||  // Base table not found
-				   (pDb->Dbms() == dbmsMY_SQL			&& !strcmp(pDb->sqlState,"42S02"))       // untested
-					))
-			{
-				pDb->DispNextError();
-				pDb->DispAllErrors(henv, hdbc, hstmt);
-				pDb->RollbackTrans();
-				CloseCursor(hstmt);
-				return(FALSE);
-			}
-		}
-	}
-
-	// Commit the transaction and close the cursor
-	if (! pDb->CommitTrans())
-		return(FALSE);
-	if (! CloseCursor(hstmt))
-		return(FALSE);
-
-	return(TRUE);
-}  // wxTable::DropIndex()
-
-/********** wxTable::Insert() **********/
-int wxTable::Insert(void)
-{
-	assert(!queryOnly);
-	if (queryOnly)
-		return(DB_FAILURE);
-
-	bindInsertParams();
-
-	// Insert the record by executing the already prepared insert statement
-	RETCODE retcode;
-	retcode=SQLExecute(hstmtInsert);
-	if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
-	{
-		// Check to see if integrity constraint was violated
-		pDb->GetNextError(henv, hdbc, hstmtInsert);
-		if (! strcmp(pDb->sqlState, "23000"))  // Integrity constraint violated
-			return(DB_ERR_INTEGRITY_CONSTRAINT_VIOL);
-		else
-		{
-			pDb->DispNextError();
-			pDb->DispAllErrors(henv, hdbc, hstmtInsert);
-			return(DB_FAILURE);
-		}
-	}
-
-	// Record inserted into the datasource successfully
-	return(DB_SUCCESS);
-
-}  // wxTable::Insert()
-
-/********** wxTable::Update(pSqlStmt) **********/
-bool wxTable::Update(char *pSqlStmt)
-{
-	assert(!queryOnly);
-	if (queryOnly)
-		return(FALSE);
-
-	pDb->WriteSqlLog(pSqlStmt);
-
-	return(execUpdate(pSqlStmt));
-
-}  // wxTable::Update(pSqlStmt)
-
-/********** wxTable::Update() **********/
-bool wxTable::Update(void)
-{
-	assert(!queryOnly);
-	if (queryOnly)
-		return(FALSE);
-
-	char sqlStmt[DB_MAX_STATEMENT_LEN];
-
-	// Build the SQL UPDATE statement
-	GetUpdateStmt(sqlStmt, DB_UPD_KEYFIELDS);
-
-	pDb->WriteSqlLog(sqlStmt);
+    if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+    {
+        // Check for "Index not found" error and ignore
+        pDb->GetNextError(henv, hdbc, hstmt);
+        if (wxStrcmp(pDb->sqlState,wxT("S0012")))  // "Index not found"
+        {
+            // Check for product specific error codes
+            if (!((pDb->Dbms() == dbmsSYBASE_ASA    && !wxStrcmp(pDb->sqlState,wxT("42000"))) ||  // v5.x (and lower?)
+                  (pDb->Dbms() == dbmsSYBASE_ASE    && !wxStrcmp(pDb->sqlState,wxT("37000"))) ||
+                  (pDb->Dbms() == dbmsMS_SQL_SERVER && !wxStrcmp(pDb->sqlState,wxT("S1000"))) ||
+                  (pDb->Dbms() == dbmsINTERBASE      && !wxStrcmp(pDb->sqlState,wxT("S1000"))) ||
+                  (pDb->Dbms() == dbmsSYBASE_ASE    && !wxStrcmp(pDb->sqlState,wxT("S0002"))) ||  // Base table not found
+                  (pDb->Dbms() == dbmsMY_SQL        && !wxStrcmp(pDb->sqlState,wxT("42S12"))) ||  // tested by Christopher Ludwik Marino-Cebulski using v3.23.21beta
+                  (pDb->Dbms() == dbmsPOSTGRES      && !wxStrcmp(pDb->sqlState,wxT("08S01")))
+               ))
+            {
+                pDb->DispNextError();
+                pDb->DispAllErrors(henv, hdbc, hstmt);
+                pDb->RollbackTrans();
+                CloseCursor(hstmt);
+                return(FALSE);
+            }
+        }
+    }
+
+    // Commit the transaction and close the cursor
+    if (! pDb->CommitTrans())
+        return(FALSE);
+    if (! CloseCursor(hstmt))
+        return(FALSE);
+
+    return(TRUE);
+}  // wxDbTable::DropIndex()
+
+
+/********** wxDbTable::SetOrderByColNums() **********/
+bool wxDbTable::SetOrderByColNums(UWORD first, ... )
+{
+    int        colNo = 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 && (colNo != wxDB_NO_MORE_COLUMN_NUMBERS))
+    {
+        // Make sure the passed in column number
+        // is within the valid range of columns
+        //
+        // Valid columns are 0 thru noCols-1
+        if (colNo >= noCols || colNo < 0)
+        {
+            abort = TRUE;
+            continue;
+        }
+
+        if (colNo != first)
+            tempStr += wxT(",");
+
+        tempStr += colDefs[colNo].ColName;
+        colNo = va_arg (argptr, int);
+    }
+    va_end (argptr);              /* Reset variable arguments.      */
+
+    SetOrderByClause(tempStr);
+
+    return (!abort);
+}  // wxDbTable::SetOrderByColNums()
+
+
+/********** wxDbTable::Insert() **********/
+int wxDbTable::Insert(void)
+{
+    wxASSERT(!queryOnly);
+    if (queryOnly || !insertable)
+        return(DB_FAILURE);
+
+    bindInsertParams();
+
+    // Insert the record by executing the already prepared insert statement
+    RETCODE retcode;
+    retcode=SQLExecute(hstmtInsert);
+    if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+    {
+        // Check to see if integrity constraint was violated
+        pDb->GetNextError(henv, hdbc, hstmtInsert);
+        if (! wxStrcmp(pDb->sqlState, wxT("23000")))  // Integrity constraint violated
+            return(DB_ERR_INTEGRITY_CONSTRAINT_VIOL);
+        else
+        {
+            pDb->DispNextError();
+            pDb->DispAllErrors(henv, hdbc, hstmtInsert);
+            return(DB_FAILURE);
+        }
+    }
+
+    // Record inserted into the datasource successfully
+    return(DB_SUCCESS);
+
+}  // wxDbTable::Insert()
+
+
+/********** wxDbTable::Update() **********/
+bool wxDbTable::Update(void)
+{
+    wxASSERT(!queryOnly);
+    if (queryOnly)
+        return(FALSE);
+
+    wxString sqlStmt;
+
+    // Build the SQL UPDATE statement
+    BuildUpdateStmt(sqlStmt, DB_UPD_KEYFIELDS);
+
+    pDb->WriteSqlLog(sqlStmt);
 
 #ifdef DBDEBUG_CONSOLE
-	cout << endl << sqlStmt << endl << endl;
+    cout << endl << sqlStmt.c_str() << endl << endl;
 #endif
 
-	// Execute the SQL UPDATE statement
-	return(execUpdate(sqlStmt));
+    // Execute the SQL UPDATE statement
+    return(execUpdate(sqlStmt));
+
+}  // wxDbTable::Update()
 
-}  // wxTable::Update()
 
-/********** wxTable::UpdateWhere() **********/
-bool wxTable::UpdateWhere(char *pWhereClause)
+/********** wxDbTable::Update(pSqlStmt) **********/
+bool wxDbTable::Update(const wxString &pSqlStmt)
 {
-	assert(!queryOnly);
-	if (queryOnly)
-		return(FALSE);
+    wxASSERT(!queryOnly);
+    if (queryOnly)
+        return(FALSE);
 
-	char sqlStmt[DB_MAX_STATEMENT_LEN];
+    pDb->WriteSqlLog(pSqlStmt);
 
-	// Build the SQL UPDATE statement
-	GetUpdateStmt(sqlStmt, DB_UPD_WHERE, pWhereClause);
+    return(execUpdate(pSqlStmt));
 
-	pDb->WriteSqlLog(sqlStmt);
+}  // wxDbTable::Update(pSqlStmt)
+
+
+/********** wxDbTable::UpdateWhere() **********/
+bool wxDbTable::UpdateWhere(const wxString &pWhereClause)
+{
+    wxASSERT(!queryOnly);
+    if (queryOnly)
+        return(FALSE);
+
+    wxString sqlStmt;
+
+    // Build the SQL UPDATE statement
+    BuildUpdateStmt(sqlStmt, DB_UPD_WHERE, 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
-	return(execUpdate(sqlStmt));
+    // Execute the SQL UPDATE statement
+    return(execUpdate(sqlStmt));
+
+}  // wxDbTable::UpdateWhere()
 
-}  // wxTable::UpdateWhere()
 
-/********** wxTable::Delete() **********/
-bool wxTable::Delete(void)
+/********** wxDbTable::Delete() **********/
+bool wxDbTable::Delete(void)
 {
-	assert(!queryOnly);
-	if (queryOnly)
-		return(FALSE);
+    wxASSERT(!queryOnly);
+    if (queryOnly)
+        return(FALSE);
 
-	char sqlStmt[DB_MAX_STATEMENT_LEN];
+    wxString sqlStmt;
+    sqlStmt.Empty();
 
-	// Build the SQL DELETE statement
-	GetDeleteStmt(sqlStmt, DB_DEL_KEYFIELDS);
+    // Build the SQL DELETE statement
+    BuildDeleteStmt(sqlStmt, DB_DEL_KEYFIELDS);
 
-	pDb->WriteSqlLog(sqlStmt);
+    pDb->WriteSqlLog(sqlStmt);
 
-	// Execute the SQL DELETE statement
-	return(execDelete(sqlStmt));
+    // Execute the SQL DELETE statement
+    return(execDelete(sqlStmt));
 
-}  // wxTable::Delete()
+}  // wxDbTable::Delete()
 
-/********** wxTable::DeleteWhere() **********/
-bool wxTable::DeleteWhere(char *pWhereClause)
+
+/********** wxDbTable::DeleteWhere() **********/
+bool wxDbTable::DeleteWhere(const wxString &pWhereClause)
 {
-	assert(!queryOnly);
-	if (queryOnly)
-		return(FALSE);
+    wxASSERT(!queryOnly);
+    if (queryOnly)
+        return(FALSE);
+
+    wxString sqlStmt;
+    sqlStmt.Empty();
 
-	char sqlStmt[DB_MAX_STATEMENT_LEN];
+    // Build the SQL DELETE statement
+    BuildDeleteStmt(sqlStmt, DB_DEL_WHERE, pWhereClause);
 
-	// Build the SQL DELETE statement
-	GetDeleteStmt(sqlStmt, DB_DEL_WHERE, pWhereClause);
+    pDb->WriteSqlLog(sqlStmt);
 
-	pDb->WriteSqlLog(sqlStmt);
+    // Execute the SQL DELETE statement
+    return(execDelete(sqlStmt));
 
-	// Execute the SQL DELETE statement
-	return(execDelete(sqlStmt));
+}  // wxDbTable::DeleteWhere()
 
-}  // wxTable::DeleteWhere()
 
-/********** wxTable::DeleteMatching() **********/
-bool wxTable::DeleteMatching(void)
+/********** wxDbTable::DeleteMatching() **********/
+bool wxDbTable::DeleteMatching(void)
 {
-	assert(!queryOnly);
-	if (queryOnly)
-		return(FALSE);
+    wxASSERT(!queryOnly);
+    if (queryOnly)
+        return(FALSE);
 
-	char sqlStmt[DB_MAX_STATEMENT_LEN];
+    wxString sqlStmt;
+    sqlStmt.Empty();
 
-	// Build the SQL DELETE statement
-	GetDeleteStmt(sqlStmt, DB_DEL_MATCHING);
+    // Build the SQL DELETE statement
+    BuildDeleteStmt(sqlStmt, DB_DEL_MATCHING);
 
-	pDb->WriteSqlLog(sqlStmt);
+    pDb->WriteSqlLog(sqlStmt);
 
-	// Execute the SQL DELETE statement
-	return(execDelete(sqlStmt));
+    // Execute the SQL DELETE statement
+    return(execDelete(sqlStmt));
 
-}  // wxTable::DeleteMatching()
+}  // wxDbTable::DeleteMatching()
 
-/********** wxTable::execDelete() **********/
-bool wxTable::execDelete(char *pSqlStmt)
-{
-	// Execute the DELETE statement
-	if (SQLExecDirect(hstmtDelete, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS)
-		return(pDb->DispAllErrors(henv, hdbc, hstmtDelete));
 
-	// Record deleted successfully
-	return(TRUE);
+/********** wxDbTable::IsColNull() **********/
+bool wxDbTable::IsColNull(UWORD colNo) const
+{
+/*
+    This logic is just not right.  It would indicate TRUE
+    if a numeric field were set to a value of 0.
+
+    switch(colDefs[colNo].SqlCtype)
+    {
+        case SQL_C_CHAR:
+            return(((UCHAR FAR *) colDefs[colNo].PtrDataObj)[0] == 0);
+        case SQL_C_SSHORT:
+            return((  *((SWORD *) colDefs[colNo].PtrDataObj))   == 0);
+        case SQL_C_USHORT:
+            return((   *((UWORD*) colDefs[colNo].PtrDataObj))   == 0);
+        case SQL_C_SLONG:
+            return(( *((SDWORD *) colDefs[colNo].PtrDataObj))   == 0);
+        case SQL_C_ULONG:
+            return(( *((UDWORD *) colDefs[colNo].PtrDataObj))   == 0);
+        case SQL_C_FLOAT:
+            return(( *((SFLOAT *) colDefs[colNo].PtrDataObj))   == 0);
+        case SQL_C_DOUBLE:
+            return((*((SDOUBLE *) colDefs[colNo].PtrDataObj))   == 0);
+        case SQL_C_TIMESTAMP:
+            TIMESTAMP_STRUCT *pDt;
+            pDt = (TIMESTAMP_STRUCT *) colDefs[colNo].PtrDataObj;
+            if (pDt->year == 0 && pDt->month == 0 && pDt->day == 0)
+                return(TRUE);
+            else
+                return(FALSE);
+        default:
+            return(TRUE);
+    }
+*/
+    return (colDefs[colNo].Null);
+}  // wxDbTable::IsColNull()
 
-}  // wxTable::execDelete()
 
-/********** wxTable::execUpdate() **********/
-bool wxTable::execUpdate(char *pSqlStmt)
+/********** wxDbTable::CanSelectForUpdate() **********/
+bool wxDbTable::CanSelectForUpdate(void)
 {
-	// Execute the UPDATE statement
-	if (SQLExecDirect(hstmtUpdate, (UCHAR FAR *) pSqlStmt, SQL_NTS) != SQL_SUCCESS)
-		return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
+    if (queryOnly)
+        return FALSE;
+
+    if (pDb->Dbms() == dbmsMY_SQL)
+        return FALSE;
+
+    if ((pDb->Dbms() == dbmsORACLE) ||
+        (pDb->dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE))
+        return(TRUE);
+    else
+        return(FALSE);
 
-	// Record deleted successfully
-	return(TRUE);
+}  // wxDbTable::CanSelectForUpdate()
 
-}  // wxTable::execUpdate()
 
-/********** wxTable::GetUpdateStmt() **********/
-void wxTable::GetUpdateStmt(char *pSqlStmt, int typeOfUpd, char *pWhereClause)
+/********** wxDbTable::CanUpdByROWID() **********/
+bool wxDbTable::CanUpdByROWID(void)
 {
-	assert(!queryOnly);
-	if (queryOnly)
-		return;
-
-	char whereClause[DB_MAX_WHERE_CLAUSE_LEN];
-	bool firstColumn = TRUE;
-
-	whereClause[0] = 0;
-	sprintf(pSqlStmt, "UPDATE %s SET ", tableName);
-
-	// 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)
-				strcat(pSqlStmt, ",");
-			else
-				firstColumn = FALSE;
-			strcat(pSqlStmt, colDefs[i].ColName);
-			strcat(pSqlStmt, " = ?");
-		}
-	}
-
-	// Append the WHERE clause to the SQL UPDATE statement
-	strcat(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[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, ROWID_LEN, &cb) == SQL_SUCCESS)
-			{
-				strcat(pSqlStmt, "ROWID = '");
-				strcat(pSqlStmt, rowid);
-				strcat(pSqlStmt, "'");
-				break;
-			}
-		}
-		// Unable to delete by ROWID, so build a WHERE
-		// clause based on the keyfields.
-		GetWhereClause(whereClause, DB_WHERE_KEYFIELDS);
-		strcat(pSqlStmt, whereClause);
-		break;
-	case DB_UPD_WHERE:
-		strcat(pSqlStmt, pWhereClause);
-		break;
-	}
-
-}  // GetUpdateStmt()
-
-/********** wxTable::GetDeleteStmt() **********/
-void wxTable::GetDeleteStmt(char *pSqlStmt, int typeOfDel, 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 || strlen(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[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, ROWID_LEN, &cb) == SQL_SUCCESS)
-			{
-				strcat(pSqlStmt, "ROWID = '");
-				strcat(pSqlStmt, rowid);
-				strcat(pSqlStmt, "'");
-				break;
-			}
-		}
-		// Unable to delete by ROWID, so build a WHERE
-		// clause based on the keyfields.
-		GetWhereClause(whereClause, DB_WHERE_KEYFIELDS);
-		strcat(pSqlStmt, whereClause);
-		break;
-	case DB_DEL_WHERE:
-		strcat(pSqlStmt, pWhereClause);
-		break;
-	case DB_DEL_MATCHING:
-		GetWhereClause(whereClause, DB_WHERE_MATCHING);
-		strcat(pSqlStmt, whereClause);
-		break;
-	}
-
-}  // GetDeleteStmt()
-
-/********** wxTable::GetWhereClause() **********/
 /*
- * Note: GetWhereClause() currently ignores timestamp columns.
- *       They are not included as part of the where clause.
+ * NOTE: Returning FALSE for now until this can be debugged,
+ *        as the ROWID is not getting updated correctly
  */
+    return FALSE;
+/*
+    if (pDb->Dbms() == dbmsORACLE)
+        return(TRUE);
+    else
+        return(FALSE);
+*/
+}  // wxDbTable::CanUpdByROWID()
+
+
+/********** wxDbTable::IsCursorClosedOnCommit() **********/
+bool wxDbTable::IsCursorClosedOnCommit(void)
+{
+    if (pDb->dbInf.cursorCommitBehavior == SQL_CB_PRESERVE)
+        return(FALSE);
+    else
+        return(TRUE);
+
+}  // wxDbTable::IsCursorClosedOnCommit()
+
 
-void wxTable::GetWhereClause(char *pWhereClause, int typeOfWhere, char *qualTableName)
-{
-	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)
-				strcat(pWhereClause, " AND ");
-			else
-				moreThanOneColumn = TRUE;
-			// Concatenate where phrase for the column
-			if (qualTableName && strlen(qualTableName))
-			{
-				strcat(pWhereClause, qualTableName);
-				strcat(pWhereClause, ".");
-			}
-			strcat(pWhereClause, colDefs[i].ColName);
-			strcat(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;
-			}
-			strcat(pWhereClause, colValue);
-		}
-	}
-
-}  // wxTable::GetWhereClause()
-
-/********** wxTable::IsColNull() **********/
-bool wxTable::IsColNull(int colNo)
-{
-	switch(colDefs[colNo].SqlCtype)
-	{
-	case SQL_C_CHAR:
-		return(((UCHAR FAR *) colDefs[colNo].PtrDataObj)[0] == 0);
-	case SQL_C_SSHORT:
-		return((  *((SWORD *) colDefs[colNo].PtrDataObj))   == 0);
-	case SQL_C_USHORT:
-		return((   *((UWORD*) colDefs[colNo].PtrDataObj))   == 0);
-	case SQL_C_SLONG:
-		return(( *((SDWORD *) colDefs[colNo].PtrDataObj))   == 0);
-	case SQL_C_ULONG:
-		return(( *((UDWORD *) colDefs[colNo].PtrDataObj))   == 0);
-	case SQL_C_FLOAT:
-		return(( *((SFLOAT *) colDefs[colNo].PtrDataObj))   == 0);
-	case SQL_C_DOUBLE:
-		return((*((SDOUBLE *) colDefs[colNo].PtrDataObj))   == 0);
-	case SQL_C_TIMESTAMP:
-		TIMESTAMP_STRUCT *pDt;
-		pDt = (TIMESTAMP_STRUCT *) colDefs[colNo].PtrDataObj;
-		if (pDt->year == 0 && pDt->month == 0 && pDt->day == 0)
-			return(TRUE);
-		else
-			return(FALSE);
-	default:
-		return(TRUE);
-	}
-
-}  // wxTable::IsColNull()
-
-/********** wxTable::CanSelectForUpdate() **********/
-bool wxTable::CanSelectForUpdate(void)
-{
-	if (pDb->Dbms() == dbmsMY_SQL)
-		return FALSE;
-
-	if (pDb->dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE)
-		return(TRUE);
-	else
-		return(FALSE);
-
-}  // wxTable::CanSelectForUpdate()
-
-/********** wxTable::CanUpdByROWID() **********/
-bool wxTable::CanUpdByROWID(void)
-{
-
-//NOTE: Returning FALSE for now until this can be debugged,
-//	     as the ROWID is not getting updated correctly
-	return FALSE;
-
-	if (pDb->Dbms() == dbmsORACLE)
-		return(TRUE);
-	else
-		return(FALSE);
-
-}  // wxTable::CanUpdByROWID()
-
-/********** wxTable::IsCursorClosedOnCommit() **********/
-bool wxTable::IsCursorClosedOnCommit(void)
-{
-	if (pDb->dbInf.cursorCommitBehavior == SQL_CB_PRESERVE)
-		return(FALSE);
-	else
-		return(TRUE);
-
-}  // wxTable::IsCursorClosedOnCommit()
-
-/********** wxTable::ClearMemberVars() **********/
-void wxTable::ClearMemberVars(void)
-{
-	// Loop through the columns setting each member variable to zero
-	int i;
-	for (i = 0; i < noCols; i++)
-	{
-		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;
-		}
-	}
-
-}  // wxTable::ClearMemberVars()
-
-/********** wxTable::SetQueryTimeout() **********/
-bool wxTable::SetQueryTimeout(UDWORD nSeconds)
-{
-	if (SQLSetStmtOption(hstmtInsert, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
-		return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
-	if (SQLSetStmtOption(hstmtUpdate, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
-		return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
-	if (SQLSetStmtOption(hstmtDelete, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
-		return(pDb->DispAllErrors(henv, hdbc, hstmtDelete));
-	if (SQLSetStmtOption(hstmtInternal, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
-		return(pDb->DispAllErrors(henv, hdbc, hstmtInternal));
-
-	// Completed Successfully
-	return(TRUE);
-
-}  // wxTable::SetQueryTimeout()
-
-/********** wxTable::SetColDefs() **********/
-void wxTable::SetColDefs (int index, char *fieldName, int dataType, void *pData,
-								 int cType, int size, bool keyField, bool upd,
-								 bool insAllow, bool derivedCol)
-{
-	if (!colDefs)  // May happen if the database connection fails
-		return;
-
-	if (strlen(fieldName) > (unsigned int) DB_MAX_COLUMN_NAME_LEN)
-	{
-		strncpy (colDefs[index].ColName, fieldName, DB_MAX_COLUMN_NAME_LEN);
-		colDefs[index].ColName[DB_MAX_COLUMN_NAME_LEN] = 0;
-	}
-	else
-		strcpy(colDefs[index].ColName, fieldName);
-
-	colDefs[index].DbDataType		= dataType;
-	colDefs[index].PtrDataObj		= pData;
-	colDefs[index].SqlCtype			= cType;
-	colDefs[index].SzDataObj		= size;
-	colDefs[index].KeyField			= keyField;
-	colDefs[index].DerivedCol		= derivedCol;
-	// Derived columns by definition would NOT be "Insertable" or "Updateable"
-	if (derivedCol)
-	{
-		colDefs[index].Updateable		= FALSE;
-		colDefs[index].InsertAllowed	= FALSE;
-	}
-	else
-	{
-		colDefs[index].Updateable		= upd;
-		colDefs[index].InsertAllowed	= insAllow;
-	}
-
-	colDefs[index].Null					= FALSE;
-	
-}  // wxTable::SetColDefs()
-
-/********** wxTable::SetCursor() **********/
-void wxTable::SetCursor(HSTMT *hstmtActivate)
-{
-	if (hstmtActivate == DEFAULT_CURSOR)
-		hstmt = *hstmtDefault;
-	else
-		hstmt = *hstmtActivate;
-
-}  // wxTable::SetCursor()
-
-/********** wxTable::Count() **********/
-ULONG wxTable::Count(void)
-{
-	ULONG l;
-	char sqlStmt[DB_MAX_STATEMENT_LEN];
-	SDWORD cb;
-
-	// Build a "SELECT COUNT(*) FROM queryTableName [WHERE whereClause]" SQL Statement
-	strcpy(sqlStmt, "SELECT COUNT(*) FROM ");
-	strcat(sqlStmt, queryTableName);
-
-	if (from && strlen(from))
-		strcat(sqlStmt, from);
-
-	// Add the where clause if one is provided
-	if (where && strlen(where))
-	{
-		strcat(sqlStmt, " WHERE ");
-		strcat(sqlStmt, where);
-	}
-
-	pDb->WriteSqlLog(sqlStmt);
-
-	// Initialize the Count cursor if it's not already initialized
-	if (!hstmtCount)
-	{
-		hstmtCount = NewCursor(FALSE,FALSE);
-		assert(hstmtCount);
-		if (!hstmtCount)
-			return(0);
-	}
-
-	// Execute the SQL statement
-	if (SQLExecDirect(*hstmtCount, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS)
-	{
-		pDb->DispAllErrors(henv, hdbc, *hstmtCount);
-		return(0);
-	}
-
-	// Fetch the record
-	if (SQLFetch(*hstmtCount) != SQL_SUCCESS)
-	{
-		pDb->DispAllErrors(henv, hdbc, *hstmtCount);
-		return(0);
-	}
-
-	// Obtain the result
-	if (SQLGetData(*hstmtCount, 1, SQL_C_ULONG, &l, sizeof(l), &cb) != SQL_SUCCESS)
-	{
-		pDb->DispAllErrors(henv, hdbc, *hstmtCount);
-		return(0);
-	}
-
-	// Free the cursor
-	if (SQLFreeStmt(*hstmtCount, SQL_CLOSE) != SQL_SUCCESS)
-		pDb->DispAllErrors(henv, hdbc, *hstmtCount);
-
-	// Return the record count
-	return(l);
-
-}  // wxTable::Count()
-
-/********** wxTable::Refresh() **********/
-bool wxTable::Refresh(void)
-{
-	bool result = TRUE;
-
-	// Switch to the internal cursor so any active cursors are not corrupted
-	HSTMT currCursor = GetCursor();
-	hstmt = hstmtInternal;
-
-	// Save the where and order by clauses
-	char *saveWhere	= where;
-	char *saveOrderBy = orderBy;
-
-	// 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];
-	strcpy(whereClause, "");
-	if (CanUpdByROWID())
-	{
-		SDWORD cb;
-		char   rowid[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, ROWID_LEN, &cb) == SQL_SUCCESS)
-		{
-			strcat(whereClause, queryTableName);
-			strcat(whereClause, ".ROWID = '");
-			strcat(whereClause, rowid);
-			strcat(whereClause, "'");
-		}
-	}
-
-	// If unable to use the ROWID, build a where clause from the keyfields
-	if (strlen(whereClause) == 0)
-		GetWhereClause(whereClause, DB_WHERE_KEYFIELDS, queryTableName);
-
-	// Requery the record
-	where = whereClause;
-	orderBy = 0;
-	if (!Query())
-		result = FALSE;
-
-	if (result && !GetNext())
-		result = FALSE;
-
-	// Switch back to original cursor
-	SetCursor(&currCursor);
-
-	// Free the internal cursor
-	if (SQLFreeStmt(hstmtInternal, SQL_CLOSE) != SQL_SUCCESS)
-		pDb->DispAllErrors(henv, hdbc, hstmtInternal);
-
-	// Restore the original where and order by clauses
-	where	  = saveWhere;
-	orderBy = saveOrderBy;
-
-	return(result);
-
-}  // wxTable::Refresh()
-
-/********** wxTable::SetNull(UINT colNo) **********/
-bool wxTable::SetNull(int colNo)
-{
-	if (colNo < noCols)
-		return(colDefs[colNo].Null = TRUE);
-	else
-		return(FALSE);
-
-}  // wxTable::SetNull(UINT colNo)
-
-/********** wxTable::SetNull(char *colName) **********/
-bool wxTable::SetNull(char *colName)
-{
-	int i;
-	for (i = 0; i < noCols; i++)
-	{
-		if (!stricmp(colName, colDefs[i].ColName))
-			break;
-	}
-
-	if (i < noCols)
-		return(colDefs[i].Null = TRUE);
-	else
-		return(FALSE);
-
-}  // wxTable::SetNull(char *colName)
 
-/********** wxTable::NewCursor() **********/
-HSTMT *wxTable::NewCursor(bool setCursor, bool bindColumns)
+/********** wxDbTable::ClearMemberVar() **********/
+void wxDbTable::ClearMemberVar(UWORD colNo, bool setToNull)
 {
-	HSTMT *newHSTMT = new HSTMT;
-	assert(newHSTMT);
-	if (!newHSTMT)
-		return(0);
+    wxASSERT(colNo < noCols);
+
+    switch(colDefs[colNo].SqlCtype)
+    {
+        case SQL_C_CHAR:
+            ((UCHAR FAR *) colDefs[colNo].PtrDataObj)[0]    = 0;
+            break;
+        case SQL_C_SSHORT:
+            *((SWORD *) colDefs[colNo].PtrDataObj)          = 0;
+            break;
+        case SQL_C_USHORT:
+            *((UWORD*) colDefs[colNo].PtrDataObj)           = 0;
+            break;
+        case SQL_C_SLONG:
+            *((SDWORD *) colDefs[colNo].PtrDataObj)         = 0;
+            break;
+        case SQL_C_ULONG:
+            *((UDWORD *) colDefs[colNo].PtrDataObj)         = 0;
+            break;
+        case SQL_C_FLOAT:
+            *((SFLOAT *) colDefs[colNo].PtrDataObj)         = 0.0f;
+            break;
+        case SQL_C_DOUBLE:
+            *((SDOUBLE *) colDefs[colNo].PtrDataObj)        = 0.0f;
+            break;
+        case SQL_C_TIMESTAMP:
+            TIMESTAMP_STRUCT *pDt;
+            pDt = (TIMESTAMP_STRUCT *) colDefs[colNo].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(colNo);
+}  // 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 < noCols; i++)
+        ClearMemberVar(i,setToNull);
+
+}  // wxDbTable::ClearMemberVars()
+
 
-	if (SQLAllocStmt(hdbc, newHSTMT) != SQL_SUCCESS)
-	{
-		pDb->DispAllErrors(henv, hdbc);
-		delete newHSTMT;
-		return(0);
-	}
-
-	if (SQLSetStmtOption(*newHSTMT, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS)
-	{
-		pDb->DispAllErrors(henv, hdbc, *newHSTMT);
-		delete newHSTMT;
-		return(0);
-	}
-
-	if (bindColumns)
-	{
-		if(!bindCols(*newHSTMT))
-		{
-			delete newHSTMT;
-			return(0);
-		}
-	}
+/********** wxDbTable::SetQueryTimeout() **********/
+bool wxDbTable::SetQueryTimeout(UDWORD nSeconds)
+{
+    if (SQLSetStmtOption(hstmtInsert, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
+        return(pDb->DispAllErrors(henv, hdbc, hstmtInsert));
+    if (SQLSetStmtOption(hstmtUpdate, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
+        return(pDb->DispAllErrors(henv, hdbc, hstmtUpdate));
+    if (SQLSetStmtOption(hstmtDelete, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
+        return(pDb->DispAllErrors(henv, hdbc, hstmtDelete));
+    if (SQLSetStmtOption(hstmtInternal, SQL_QUERY_TIMEOUT, nSeconds) != SQL_SUCCESS)
+        return(pDb->DispAllErrors(henv, hdbc, hstmtInternal));
+
+    // Completed Successfully
+    return(TRUE);
 
-	if (setCursor)
-		SetCursor(newHSTMT);
-
-	return(newHSTMT);
+}  // wxDbTable::SetQueryTimeout()
 
-}   // wxTable::NewCursor()
 
-/********** wxTable::DeleteCursor() **********/
-bool wxTable::DeleteCursor(HSTMT *hstmtDel)
+/********** wxDbTable::SetColDefs() **********/
+void wxDbTable::SetColDefs(UWORD index, const wxString &fieldName, int dataType, void *pData,
+                           SWORD cType, int size, bool keyField, bool upd,
+                           bool insAllow, bool derivedCol)
+{
+    if (!colDefs)  // May happen if the database connection fails
+        return;
+
+    if (fieldName.Length() > (unsigned int) DB_MAX_COLUMN_NAME_LEN)
+    {
+        wxStrncpy(colDefs[index].ColName, fieldName, DB_MAX_COLUMN_NAME_LEN);
+        colDefs[index].ColName[DB_MAX_COLUMN_NAME_LEN] = 0;
+
+#ifdef __WXDEBUG__
+        wxString tmpMsg;
+        tmpMsg.Printf(_T("Column name '%s' is too long. Truncated to '%s'."),
+                      fieldName.c_str(),colDefs[index].ColName);
+        wxFAIL_MSG(tmpMsg);
+#endif // __WXDEBUG__
+    }
+    else
+        wxStrcpy(colDefs[index].ColName, fieldName);
+
+    colDefs[index].DbDataType       = dataType;
+    colDefs[index].PtrDataObj       = pData;
+    colDefs[index].SqlCtype         = cType;
+    colDefs[index].SzDataObj        = size;
+    colDefs[index].KeyField         = keyField;
+    colDefs[index].DerivedCol       = derivedCol;
+    // Derived columns by definition would NOT be "Insertable" or "Updateable"
+    if (derivedCol)
+    {
+        colDefs[index].Updateable       = FALSE;
+        colDefs[index].InsertAllowed    = FALSE;
+    }
+    else
+    {
+        colDefs[index].Updateable       = upd;
+        colDefs[index].InsertAllowed    = insAllow;
+    }
+
+    colDefs[index].Null                 = FALSE;
+
+}  // wxDbTable::SetColDefs()
+
+
+/********** wxDbTable::SetColDefs() **********/
+wxDbColDataPtr* wxDbTable::SetColDefs(wxDbColInf *pColInfs, UWORD numCols)
+{
+    wxASSERT(pColInfs);
+    wxDbColDataPtr *pColDataPtrs = NULL;
+
+    if (pColInfs)
+    {
+        UWORD index;
+
+        pColDataPtrs = new wxDbColDataPtr[numCols+1];
+
+        for (index = 0; index < numCols; index++)
+        {
+            // Process the fields
+            switch (pColInfs[index].dbDataType)
+            {
+                case DB_DATA_TYPE_VARCHAR:
+                   pColDataPtrs[index].PtrDataObj = new wxChar[pColInfs[index].bufferLength+1];
+                   pColDataPtrs[index].SzDataObj  = pColInfs[index].columnSize;
+                   pColDataPtrs[index].SqlCtype   = SQL_C_CHAR;
+                   break;
+                case DB_DATA_TYPE_INTEGER:
+                    // Can be long or short
+                    if (pColInfs[index].bufferLength == sizeof(long))
+                    {
+                      pColDataPtrs[index].PtrDataObj = new long;
+                      pColDataPtrs[index].SzDataObj  = sizeof(long);
+                      pColDataPtrs[index].SqlCtype   = SQL_C_SLONG;
+                    }
+                    else
+                    {
+                        pColDataPtrs[index].PtrDataObj = new short;
+                        pColDataPtrs[index].SzDataObj  = sizeof(short);
+                        pColDataPtrs[index].SqlCtype   = SQL_C_SSHORT;
+                    }
+                    break;
+                case DB_DATA_TYPE_FLOAT:
+                    // Can be float or double
+                    if (pColInfs[index].bufferLength == sizeof(float))
+                    {
+                        pColDataPtrs[index].PtrDataObj = new float;
+                        pColDataPtrs[index].SzDataObj  = sizeof(float);
+                        pColDataPtrs[index].SqlCtype   = SQL_C_FLOAT;
+                    }
+                    else
+                    {
+                        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;
+            }
+        }
+    }
+
+    return (pColDataPtrs);
+
+} // wxDbTable::SetColDefs()
+
+
+/********** wxDbTable::SetCursor() **********/
+void wxDbTable::SetCursor(HSTMT *hstmtActivate)
 {
-	bool result = TRUE;
+    if (hstmtActivate == wxDB_DEFAULT_CURSOR)
+        hstmt = *hstmtDefault;
+    else
+        hstmt = *hstmtActivate;
 
-	if (!hstmtDel)  // Cursor already deleted
-		return(result);
+}  // wxDbTable::SetCursor()
 
-	if (SQLFreeStmt(*hstmtDel, SQL_DROP) != SQL_SUCCESS)
-	{
-		pDb->DispAllErrors(henv, hdbc);
-		result = FALSE;
-	}
 
-	delete hstmtDel;
+/********** wxDbTable::Count(const wxString &) **********/
+ULONG wxDbTable::Count(const wxString &args)
+{
+    ULONG count;
+    wxString sqlStmt;
+    SDWORD cb;
+
+    // Build a "SELECT COUNT(*) FROM queryTableName [WHERE whereClause]" SQL Statement
+    sqlStmt  = wxT("SELECT COUNT(");
+    sqlStmt += args;
+    sqlStmt += wxT(") FROM ");
+    sqlStmt += queryTableName;
+#if wxODBC_BACKWARD_COMPATABILITY
+    if (from && wxStrlen(from))
+#else
+    if (from.Length())
+#endif
+        sqlStmt += from;
 
-	return(result);
+    // Add the where clause if one is provided
+#if wxODBC_BACKWARD_COMPATABILITY
+    if (where && wxStrlen(where))
+#else
+    if (where.Length())
+#endif
+    {
+        sqlStmt += wxT(" WHERE ");
+        sqlStmt += where;
+    }
+
+    pDb->WriteSqlLog(sqlStmt);
+
+    // Initialize the Count cursor if it's not already initialized
+    if (!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)
+    {
+        pDb->DispAllErrors(henv, hdbc, *hstmtCount);
+        return(0);
+    }
+
+    // Fetch the record
+    if (SQLFetch(*hstmtCount) != SQL_SUCCESS)
+    {
+        pDb->DispAllErrors(henv, hdbc, *hstmtCount);
+        return(0);
+    }
+
+    // Obtain the result
+    if (SQLGetData(*hstmtCount, (UWORD)1, SQL_C_ULONG, &count, sizeof(count), &cb) != SQL_SUCCESS)
+    {
+        pDb->DispAllErrors(henv, hdbc, *hstmtCount);
+        return(0);
+    }
+
+    // Free the cursor
+    if (SQLFreeStmt(*hstmtCount, SQL_CLOSE) != SQL_SUCCESS)
+        pDb->DispAllErrors(henv, hdbc, *hstmtCount);
+
+    // Return the record count
+    return(count);
+
+}  // wxDbTable::Count()
+
+
+/********** wxDbTable::Refresh() **********/
+bool wxDbTable::Refresh(void)
+{
+    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;
+#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.
+    wxString whereClause;
+    whereClause.Empty();
+
+    if (CanUpdByROWID())
+    {
+        SDWORD 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)(noCols+1), SQL_C_CHAR, (UCHAR*) rowid, wxDB_ROWID_LEN, &cb) == SQL_SUCCESS)
+        {
+            whereClause += queryTableName;
+            whereClause += wxT(".ROWID = '");
+            whereClause += rowid;
+            whereClause += wxT("'");
+        }
+    }
+
+    // If unable to use the ROWID, build a where clause from the keyfields
+    if (wxStrlen(whereClause) == 0)
+        BuildWhereClause(whereClause, DB_WHERE_KEYFIELDS, queryTableName);
+
+    // Requery the record
+    where = whereClause;
+    orderBy.Empty();
+    if (!Query())
+        result = FALSE;
+
+    if (result && !GetNext())
+        result = FALSE;
+
+    // Switch back to original cursor
+    SetCursor(&currCursor);
+
+    // Free the internal cursor
+    if (SQLFreeStmt(hstmtInternal, SQL_CLOSE) != SQL_SUCCESS)
+        pDb->DispAllErrors(henv, hdbc, hstmtInternal);
+
+    // Restore the original where and order by clauses
+    where   = saveWhere;
+    orderBy = saveOrderBy;
+
+    return(result);
+
+}  // wxDbTable::Refresh()
+
+
+/********** wxDbTable::SetColNull() **********/
+bool wxDbTable::SetColNull(UWORD colNo, bool set)
+{
+    if (colNo < noCols)
+    {
+        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
+        return(TRUE);
+    }
+    else
+        return(FALSE);
+
+}  // wxDbTable::SetColNull()
+
+
+/********** wxDbTable::SetColNull() **********/
+bool wxDbTable::SetColNull(const wxString &colName, bool set)
+{
+    int i;
+    for (i = 0; i < noCols; i++)
+    {
+        if (!wxStricmp(colName, colDefs[i].ColName))
+            break;
+    }
+
+    if (i < noCols)
+    {
+        colDefs[i].Null = set;
+        if (set)  // Blank out the values in the member variable
+            ClearMemberVar(i,FALSE);  // Must call with FALSE, or infinite recursion will happen
+        return(TRUE);
+    }
+    else
+        return(FALSE);
+
+}  // wxDbTable::SetColNull()
+
+
+/********** wxDbTable::GetNewCursor() **********/
+HSTMT *wxDbTable::GetNewCursor(bool setCursor, bool bindColumns)
+{
+    HSTMT *newHSTMT = new HSTMT;
+    wxASSERT(newHSTMT);
+    if (!newHSTMT)
+        return(0);
+
+    if (SQLAllocStmt(hdbc, newHSTMT) != SQL_SUCCESS)
+    {
+        pDb->DispAllErrors(henv, hdbc);
+        delete newHSTMT;
+        return(0);
+    }
+
+    if (SQLSetStmtOption(*newHSTMT, SQL_CURSOR_TYPE, cursorType) != SQL_SUCCESS)
+    {
+        pDb->DispAllErrors(henv, hdbc, *newHSTMT);
+        delete newHSTMT;
+        return(0);
+    }
+
+    if (bindColumns)
+    {
+        if (!bindCols(*newHSTMT))
+        {
+            delete newHSTMT;
+            return(0);
+        }
+    }
+
+    if (setCursor)
+        SetCursor(newHSTMT);
+
+    return(newHSTMT);
+
+}   // wxDbTable::GetNewCursor()
+
+
+/********** wxDbTable::DeleteCursor() **********/
+bool wxDbTable::DeleteCursor(HSTMT *hstmtDel)
+{
+    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;
+    }
+
+    delete hstmtDel;
+
+    return(result);
+
+}  // wxDbTable::DeleteCursor()
+
+//////////////////////////////////////////////////////////////
+// wxDbGrid support functions
+//////////////////////////////////////////////////////////////
+
+void wxDbTable::SetRowMode(const rowmode_t rowmode)
+{
+    if (!m_hstmtGridQuery)
+    {
+        m_hstmtGridQuery = GetNewCursor(FALSE,FALSE);
+        if (!bindCols(*m_hstmtGridQuery))
+            return;
+    }
+
+    m_rowmode = rowmode;
+    switch (m_rowmode)
+    {
+        case WX_ROW_MODE_QUERY:
+            SetCursor(m_hstmtGridQuery);
+            break;
+        case WX_ROW_MODE_INDIVIDUAL:
+            SetCursor(hstmtDefault);
+            break;
+        default:
+            assert(0);
+    }
+}  // wxDbTable::SetRowMode()
+
+
+wxVariant wxDbTable::GetCol(const int col) const
+{
+    wxVariant val;
+    if ((col < noCols) && (!IsColNull(col)))
+    {
+        switch (colDefs[col].SqlCtype)
+        {
+            case SQL_CHAR:
+            case SQL_VARCHAR:
+                val = (char *)(colDefs[col].PtrDataObj);
+                break;
+            case SQL_C_LONG:
+            case SQL_C_SLONG:
+                val = *(long *)(colDefs[col].PtrDataObj);
+                break;
+            case SQL_C_SHORT:
+            case SQL_C_SSHORT:
+                val = (long int )(*(short *)(colDefs[col].PtrDataObj));
+                break;
+            case SQL_C_ULONG:
+                val = (long)(*(unsigned long *)(colDefs[col].PtrDataObj));
+                break;
+            case SQL_C_TINYINT:
+                val = (long)(*(char *)(colDefs[col].PtrDataObj));
+                break;
+            case SQL_C_UTINYINT:
+                val = (long)(*(unsigned char *)(colDefs[col].PtrDataObj));
+                break;
+            case SQL_C_USHORT:
+                val = (long)(*(UWORD *)(colDefs[col].PtrDataObj));
+                break;
+            case SQL_C_DATE:
+                val = (DATE_STRUCT *)(colDefs[col].PtrDataObj);
+                break;
+            case SQL_C_TIME:
+                val = (TIME_STRUCT *)(colDefs[col].PtrDataObj);
+                break;
+            case SQL_C_TIMESTAMP:
+                val = (TIMESTAMP_STRUCT *)(colDefs[col].PtrDataObj);
+                break;
+            case SQL_C_DOUBLE:
+                val = *(double *)(colDefs[col].PtrDataObj);
+                break;
+            default:
+                assert(0);
+        }
+    }
+    return val;
+}  // 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)
+{
+    //FIXME: Add proper wxDateTime support to wxVariant..
+    wxDateTime dateval;
+
+    SetColNull(col, val.IsNull());
+
+    if (!val.IsNull())
+    {
+        if ((colDefs[col].SqlCtype == SQL_C_DATE)
+            || (colDefs[col].SqlCtype == SQL_C_TIME)
+            || (colDefs[col].SqlCtype == SQL_C_TIMESTAMP))
+        {
+            //Returns null if invalid!
+            if (!dateval.ParseDate(val.GetString()))
+                SetColNull(col,TRUE);
+        }
+
+        switch (colDefs[col].SqlCtype)
+        {
+            case SQL_CHAR:
+            case SQL_VARCHAR:
+                csstrncpyt((char *)(colDefs[col].PtrDataObj),
+                           val.GetString().c_str(),
+                           colDefs[col].SzDataObj-1);
+                break;
+            case SQL_C_LONG:
+            case SQL_C_SLONG:
+                *(long *)(colDefs[col].PtrDataObj) = val;
+                break;
+            case SQL_C_SHORT:
+            case SQL_C_SSHORT:
+                *(short *)(colDefs[col].PtrDataObj) = val.GetLong();
+                break;
+            case SQL_C_ULONG:
+                *(unsigned long *)(colDefs[col].PtrDataObj) = val.GetLong();
+                break;
+            case SQL_C_TINYINT:
+                *(char *)(colDefs[col].PtrDataObj) = val.GetChar();
+                break;
+            case SQL_C_UTINYINT:
+                *(unsigned char *)(colDefs[col].PtrDataObj) = val.GetChar();
+                break;
+            case SQL_C_USHORT:
+                *(unsigned short *)(colDefs[col].PtrDataObj) = val.GetLong();
+                break;
+            //FIXME: Add proper wxDateTime support to wxVariant..
+            case SQL_C_DATE:
+                {
+                    DATE_STRUCT *dataptr =
+                        (DATE_STRUCT *)colDefs[col].PtrDataObj;
+
+                    dataptr->year   = dateval.GetYear();
+                    dataptr->month  = dateval.GetMonth()+1;
+                    dataptr->day    = dateval.GetDay();
+                }
+                break;
+            case SQL_C_TIME:
+                {
+                    TIME_STRUCT *dataptr =
+                        (TIME_STRUCT *)colDefs[col].PtrDataObj;
+
+                    dataptr->hour   = dateval.GetHour();
+                    dataptr->minute = dateval.GetMinute();
+                    dataptr->second = dateval.GetSecond();
+                }
+                break;
+            case SQL_C_TIMESTAMP:
+                {
+                    TIMESTAMP_STRUCT *dataptr =
+                        (TIMESTAMP_STRUCT *)colDefs[col].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;
+                break;
+            default:
+                assert(0);
+        }  // switch
+    }  // if (!val.IsNull())
+}  // wxDbTable::SetCol()
+
+
+GenericKey wxDbTable::GetKey()
+{
+    void *blk;
+    char *blkptr;
+
+    blk = malloc(m_keysize);
+    blkptr = (char *) blk;
+
+    int i;
+    for (i=0; i < noCols; i++)
+    {
+        if (colDefs[i].KeyField)
+        {
+            memcpy(blkptr,colDefs[i].PtrDataObj, colDefs[i].SzDataObj);
+            blkptr += colDefs[i].SzDataObj;
+        }
+    }
+
+    GenericKey k = GenericKey(blk, m_keysize);
+    free(blk);
+
+    return k;
+}  // wxDbTable::GetKey()
+
+
+void wxDbTable::SetKey(const GenericKey& k)
+{
+    void *blk;
+    char *blkptr;
+
+    blk = k.GetBlk();
+    blkptr = (char *)blk;
+
+    int i;
+    for (i=0; i < noCols; i++)
+    {
+        if (colDefs[i].KeyField)
+        {
+            SetColNull(i, FALSE);
+            memcpy(colDefs[i].PtrDataObj, blkptr, colDefs[i].SzDataObj);
+            blkptr += colDefs[i].SzDataObj;
+        }
+    }
+}  // wxDbTable::SetKey()
 
-}  // wxTable::DeleteCursor()
 
 #endif  // wxUSE_ODBC