]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/db.cpp
GCC of PalmOS fix.
[wxWidgets.git] / src / common / db.cpp
index 950ace5032396af342ffa9431e303fdd1538ae15..1cc07c08f1b7e729642c6f4859f86e99448b8a48 100644 (file)
@@ -106,7 +106,7 @@ typedef struct
 wxDbConnectInf::wxDbConnectInf()
 {
     Henv = 0;
-    freeHenvOnDestroy = FALSE;
+    freeHenvOnDestroy = false;
 
     Initialize();
 }  // Constructor
@@ -118,7 +118,7 @@ wxDbConnectInf::wxDbConnectInf(HENV henv, const wxString &dsn, const wxString &u
                        const wxString &fileType, const wxString &description)
 {
     Henv = 0;
-    freeHenvOnDestroy = FALSE;
+    freeHenvOnDestroy = false;
 
     Initialize();
 
@@ -149,7 +149,7 @@ wxDbConnectInf::~wxDbConnectInf()
 /********** wxDbConnectInf::Initialize() **********/
 bool wxDbConnectInf::Initialize()
 {
-    freeHenvOnDestroy = FALSE;
+    freeHenvOnDestroy = false;
 
     if (freeHenvOnDestroy && Henv)
         FreeHenv();
@@ -163,9 +163,9 @@ bool wxDbConnectInf::Initialize()
     FileType.Empty();
     DefaultDir.Empty();
 
-    useConnectionStr = FALSE;
+    useConnectionStr = false;
 
-    return TRUE;
+    return true;
 }  // wxDbConnectInf::Initialize()
 
 
@@ -180,12 +180,12 @@ bool wxDbConnectInf::AllocHenv()
     if (SQLAllocEnv(&Henv) != SQL_SUCCESS)
     {
         wxLogDebug(wxT("A problem occured while trying to get a connection to the data source"));
-        return FALSE;
+        return false;
     }
 
-    freeHenvOnDestroy = TRUE;
+    freeHenvOnDestroy = true;
 
-    return TRUE;
+    return true;
 }  // wxDbConnectInf::AllocHenv()
 
 
@@ -197,7 +197,7 @@ void wxDbConnectInf::FreeHenv()
         SQLFreeEnv(Henv);
 
     Henv = 0;
-    freeHenvOnDestroy = FALSE;
+    freeHenvOnDestroy = false;
 
 }  // wxDbConnectInf::FreeHenv()
 
@@ -227,7 +227,7 @@ void wxDbConnectInf::SetPassword(const wxString &password)
 void wxDbConnectInf::SetConnectionStr(const wxString &connectStr)
 {
     wxASSERT(connectStr.Length() < sizeof(ConnectionStr));
-    
+
     useConnectionStr = wxStrlen(connectStr) > 0;
 
     wxStrcpy(ConnectionStr, connectStr);
@@ -241,11 +241,6 @@ wxDbColFor::wxDbColFor()
 }  // wxDbColFor::wxDbColFor()
 
 
-wxDbColFor::~wxDbColFor()
-{
-}  // wxDbColFor::~wxDbColFor()
-
-
 /********** wxDbColFor::Initialize() **********/
 void wxDbColFor::Initialize()
 {
@@ -266,7 +261,7 @@ void wxDbColFor::Initialize()
 
 /********** wxDbColFor::Format() **********/
 int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType,
-                       short columnSize, short decimalDigits)
+                       short columnLength, short decimalDigits)
 {
     // ----------------------------------------------------------------------------------------
     // -- 19991224 : mj10777 : Create
@@ -319,8 +314,8 @@ int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType,
             if (decimalDigits == 0)
                 decimalDigits = 2;
             tempStr = wxT("%");
-            tempStr.Printf(wxT("%s%d.%d"),tempStr.c_str(),columnSize,decimalDigits);
-            s_Field.Printf(wxT("%sf"),tempStr.c_str());
+            tempStr.Printf(wxT("%s%d.%d"), tempStr.c_str(),columnLength, decimalDigits);
+            s_Field.Printf(wxT("%sf"), tempStr.c_str());
             break;
         case DB_DATA_TYPE_DATE:
             if (i_Nation == 0)      // timestamp       YYYY-MM-DD HH:MM:SS.SSS (tested for SYBASE)
@@ -345,17 +340,16 @@ int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType,
             }
             break;
           case DB_DATA_TYPE_BLOB:
-            s_Field.Printf(wxT("Unable to format(%d)-SQL(%d)"),dbDataType,sqlDataType);        //
+            s_Field.Printf(wxT("Unable to format(%d)-SQL(%d)"), dbDataType,sqlDataType);        //
                 break;
         default:
-            s_Field.Printf(wxT("Unknown Format(%d)-SQL(%d)"),dbDataType,sqlDataType);        //
+            s_Field.Printf(wxT("Unknown Format(%d)-SQL(%d)"), dbDataType,sqlDataType);        //
             break;
     };
     return TRUE;
 }  // wxDbColFor::Format()
 
 
-
 /********** wxDbColInf Constructor **********/
 wxDbColInf::wxDbColInf()
 {
@@ -380,8 +374,8 @@ bool wxDbColInf::Initialize()
     colName[0]      = 0;
     sqlDataType     = 0;
     typeName[0]     = 0;
-    columnSize      = 0;
-    bufferLength    = 0;
+    columnLength    = 0;
+    bufferSize      = 0;
     decimalDigits   = 0;
     numPrecRadix    = 0;
     nullable        = 0;
@@ -393,7 +387,7 @@ bool wxDbColInf::Initialize()
     FkTableName[0]  = 0;
     pColFor         = NULL;
 
-    return TRUE;
+    return true;
 }  // wxDbColInf::Initialize()
 
 
@@ -421,7 +415,7 @@ bool wxDbTableInf::Initialize()
     numCols         = 0;
     pColInf         = NULL;
 
-    return TRUE;
+    return true;
 }  // wxDbTableInf::Initialize()
 
 
@@ -449,7 +443,7 @@ bool wxDbInf::Initialize()
     numTables       = 0;
     pTableInf       = NULL;
 
-    return TRUE;
+    return true;
 }  // wxDbInf::Initialize()
 
 
@@ -530,7 +524,7 @@ void wxDb::initialize()
     typeInfBlob.MaximumScale  = 0;
 
     // Error reporting is turned OFF by default
-    silent = TRUE;
+    silent = true;
 
     // Allocate a data source connection handle
     if (SQLAllocConnect(henv, &hdbc) != SQL_SUCCESS)
@@ -540,9 +534,9 @@ void wxDb::initialize()
     DB_STATUS = 0;
 
     // Mark database as not open as of yet
-    dbIsOpen = FALSE;
-    dbIsCached = FALSE;
-    dbOpenedWithConnectionString = FALSE;
+    dbIsOpen = false;
+    dbIsCached = false;
+    dbOpenedWithConnectionString = false;
 }  // wxDb::initialize()
 
 
@@ -589,7 +583,7 @@ bool wxDb::open(bool failOnDataTypeUnsupported)
 */
 
     // Mark database as open
-    dbIsOpen = TRUE;
+    dbIsOpen = true;
 
     // Allocate a statement handle for the database connection
     if (SQLAllocStmt(hdbc, &hstmt) != SQL_SUCCESS)
@@ -597,11 +591,11 @@ bool wxDb::open(bool failOnDataTypeUnsupported)
 
     // Set Connection Options
     if (!setConnectionOptions())
-        return(FALSE);
+        return false;
 
     // Query the data source for inf. about itself
     if (!getDbInfo(failOnDataTypeUnsupported))
-        return(FALSE);
+        return false;
 
     // Query the data source regarding data type information
 
@@ -647,7 +641,7 @@ bool wxDb::open(bool failOnDataTypeUnsupported)
     // VARCHAR = Variable length character string
     if (!getDataTypeInfo(SQL_VARCHAR, typeInfVarchar))
         if (!getDataTypeInfo(SQL_CHAR, typeInfVarchar))
-            return(FALSE);
+            return false;
         else
             typeInfVarchar.FsqlType = SQL_CHAR;
     else
@@ -661,7 +655,7 @@ bool wxDb::open(bool failOnDataTypeUnsupported)
                     if (!getDataTypeInfo(SQL_NUMERIC,typeInfFloat))
                     {
                         if (failOnDataTypeUnsupported)
-                            return(FALSE);
+                            return false;
                     }
                     else
                         typeInfFloat.FsqlType = SQL_NUMERIC;
@@ -682,7 +676,7 @@ bool wxDb::open(bool failOnDataTypeUnsupported)
         if (!getDataTypeInfo(typeInfFloat.FsqlType, typeInfInteger))
         {
             if (failOnDataTypeUnsupported)
-                return(FALSE);
+                return false;
         }
         else
             typeInfInteger.FsqlType = typeInfFloat.FsqlType;
@@ -704,7 +698,7 @@ bool wxDb::open(bool failOnDataTypeUnsupported)
 #endif // SQL_DATETIME defined
             {
                 if (failOnDataTypeUnsupported)
-                    return(FALSE);
+                    return false;
             }
         }
         else
@@ -719,7 +713,7 @@ bool wxDb::open(bool failOnDataTypeUnsupported)
         if (!getDataTypeInfo(SQL_VARBINARY,typeInfBlob))
         {
             if (failOnDataTypeUnsupported)
-                return(FALSE);
+                return false;
         }
         else
             typeInfBlob.FsqlType = SQL_VARBINARY;
@@ -738,7 +732,7 @@ bool wxDb::open(bool failOnDataTypeUnsupported)
 #endif
 
     // Completed Successfully
-    return(TRUE);
+    return true;
 }
 
 bool wxDb::Open(const wxString& inConnectStr, bool failOnDataTypeUnsupported)
@@ -773,7 +767,7 @@ bool wxDb::Open(const wxString& inConnectStr, bool failOnDataTypeUnsupported)
     inConnectionStr = inConnectStr;
 
     retcode = SQLDriverConnect(hdbc, NULL, (SQLTCHAR FAR *)inConnectionStr.c_str(),
-                        inConnectionStr.Length(), (SQLTCHAR FAR *)outConnectBuffer,
+                        (SWORD)inConnectionStr.Length(), (SQLTCHAR FAR *)outConnectBuffer,
                         sizeof(outConnectBuffer), &outConnectBufferLen, SQL_DRIVER_COMPLETE );
 
     if ((retcode != SQL_SUCCESS) &&
@@ -782,7 +776,7 @@ bool wxDb::Open(const wxString& inConnectStr, bool failOnDataTypeUnsupported)
 
     outConnectBuffer[outConnectBufferLen] = 0;
     outConnectionStr = outConnectBuffer;
-    dbOpenedWithConnectionString = TRUE;
+    dbOpenedWithConnectionString = true;
 
     return open(failOnDataTypeUnsupported);
 }
@@ -878,7 +872,7 @@ bool wxDb::Open(wxDb *copyDb)
         inConnectionStr = copyDb->GetConnectionInStr();
 
         retcode = SQLDriverConnect(hdbc, NULL, (SQLTCHAR FAR *)inConnectionStr.c_str(),
-                            inConnectionStr.Length(), (SQLTCHAR FAR *)outConnectBuffer,
+                            (SWORD)inConnectionStr.Length(), (SQLTCHAR FAR *)outConnectBuffer,
                             sizeof(outConnectBuffer), &outConnectBufferLen, SQL_DRIVER_COMPLETE);
 
         if ((retcode != SQL_SUCCESS) &&
@@ -887,7 +881,7 @@ bool wxDb::Open(wxDb *copyDb)
 
         outConnectBuffer[outConnectBufferLen] = 0;
         outConnectionStr = outConnectBuffer;
-        dbOpenedWithConnectionString = TRUE;
+        dbOpenedWithConnectionString = true;
     }
     else
     {
@@ -910,7 +904,7 @@ bool wxDb::Open(wxDb *copyDb)
 */
 
     // Mark database as open
-    dbIsOpen = TRUE;
+    dbIsOpen = true;
 
     // Allocate a statement handle for the database connection
     if (SQLAllocStmt(hdbc, &hstmt) != SQL_SUCCESS)
@@ -918,7 +912,7 @@ bool wxDb::Open(wxDb *copyDb)
 
     // Set Connection Options
     if (!setConnectionOptions())
-        return(FALSE);
+        return false;
 
     // Instead of Querying the data source for info about itself, it can just be copied
     // from the wxDb instance that was passed in (copyDb).
@@ -999,7 +993,7 @@ bool wxDb::Open(wxDb *copyDb)
 #endif
 
     // Completed Successfully
-    return(TRUE);
+    return true;
 } // wxDb::Open() 2
 
 
@@ -1013,11 +1007,14 @@ bool wxDb::setConnectionOptions(void)
 
     // I need to get the DBMS name here, because some of the connection options
     // are database specific and need to call the Dbms() function.
-    if (SQLGetInfo(hdbc, SQL_DBMS_NAME, (UCHAR*) dbInf.dbmsName, 40, &cb) != SQL_SUCCESS)
+    RETCODE retcode;
+
+    retcode = SQLGetInfo(hdbc, SQL_DBMS_NAME, (UCHAR *) dbInf.dbmsName, sizeof(dbInf.dbmsName), &cb);
+    if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
         return(DispAllErrors(henv, hdbc));
 
-    SQLSetConnectOption(hdbc, SQL_AUTOCOMMIT, SQL_AUTOCOMMIT_OFF);
-    SQLSetConnectOption(hdbc, SQL_OPT_TRACE, SQL_OPT_TRACE_OFF);
+    /* retcode = */ SQLSetConnectOption(hdbc, SQL_AUTOCOMMIT, SQL_AUTOCOMMIT_OFF);
+    /* retcode = */ SQLSetConnectOption(hdbc, SQL_OPT_TRACE, SQL_OPT_TRACE_OFF);
 //  SQLSetConnectOption(hdbc, SQL_TXN_ISOLATION, SQL_TXN_READ_COMMITTED);  // No dirty reads
 
     // By default, MS Sql Server closes cursors on commit and rollback.  The following
@@ -1029,7 +1026,7 @@ bool wxDb::setConnectionOptions(void)
     {
         const long SQL_PRESERVE_CURSORS = 1204L;
         const long SQL_PC_ON = 1L;
-        SQLSetConnectOption(hdbc, SQL_PRESERVE_CURSORS, SQL_PC_ON);
+        /* retcode = */ SQLSetConnectOption(hdbc, SQL_PRESERVE_CURSORS, SQL_PC_ON);
     }
 
     // Display the connection options to verify them
@@ -1037,15 +1034,17 @@ bool wxDb::setConnectionOptions(void)
     long l;
     cout << wxT("****** CONNECTION OPTIONS ******") << endl;
 
-    if (SQLGetConnectOption(hdbc, SQL_AUTOCOMMIT, &l) != SQL_SUCCESS)
+    retcode = SQLGetConnectOption(hdbc, SQL_AUTOCOMMIT, &l);
+    if (retcode != SQL_SUCCESS)
         return(DispAllErrors(henv, hdbc));
     cout << wxT("AUTOCOMMIT: ") << (l == SQL_AUTOCOMMIT_OFF ? "OFF" : "ON") << endl;
 
-    if (SQLGetConnectOption(hdbc, SQL_ODBC_CURSORS, &l) != SQL_SUCCESS)
+    retcode = SQLGetConnectOption(hdbc, SQL_ODBC_CURSORS, &l);
+    if (retcode != SQL_SUCCESS)
         return(DispAllErrors(henv, hdbc));
     cout << wxT("ODBC CURSORS: ");
     switch(l)
-        {
+    {
         case(SQL_CUR_USE_IF_NEEDED):
             cout << wxT("SQL_CUR_USE_IF_NEEDED");
             break;
@@ -1055,10 +1054,11 @@ bool wxDb::setConnectionOptions(void)
         case(SQL_CUR_USE_DRIVER):
             cout << wxT("SQL_CUR_USE_DRIVER");
             break;
-        }
-        cout << endl;
+    }
+    cout << endl;
 
-    if (SQLGetConnectOption(hdbc, SQL_OPT_TRACE, &l) != SQL_SUCCESS)
+    retcode = SQLGetConnectOption(hdbc, SQL_OPT_TRACE, &l)
+    if (retcode != SQL_SUCCESS)
         return(DispAllErrors(henv, hdbc));
     cout << wxT("TRACING: ") << (l == SQL_OPT_TRACE_OFF ? wxT("OFF") : wxT("ON")) << endl;
 
@@ -1066,7 +1066,7 @@ bool wxDb::setConnectionOptions(void)
 #endif
 
     // Completed Successfully
-    return(TRUE);
+    return true;
 
 } // wxDb::setConnectionOptions()
 
@@ -1077,258 +1077,258 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
     SWORD cb;
     RETCODE retcode;
 
-    retcode = SQLGetInfo(hdbc, SQL_SERVER_NAME, (UCHAR*) dbInf.serverName, 80, &cb);
+    retcode = SQLGetInfo(hdbc, SQL_SERVER_NAME, (UCHAR*) dbInf.serverName, sizeof(dbInf.serverName), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
-    retcode = SQLGetInfo(hdbc, SQL_DATABASE_NAME, (UCHAR*) dbInf.databaseName, 128, &cb);
+    retcode = SQLGetInfo(hdbc, SQL_DATABASE_NAME, (UCHAR*) dbInf.databaseName, sizeof(dbInf.databaseName), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
-    retcode = SQLGetInfo(hdbc, SQL_DBMS_NAME, (UCHAR*) dbInf.dbmsName, 40, &cb);
+    retcode = SQLGetInfo(hdbc, SQL_DBMS_NAME, (UCHAR*) dbInf.dbmsName, sizeof(dbInf.dbmsName), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     // 16-Mar-1999
     // After upgrading to MSVC6, the original 20 char buffer below was insufficient,
     // causing database connectivity to fail in some cases.
-    retcode = SQLGetInfo(hdbc, SQL_DBMS_VER, (UCHAR*) dbInf.dbmsVer, 64, &cb);
+    retcode = SQLGetInfo(hdbc, SQL_DBMS_VER, (UCHAR*) dbInf.dbmsVer, sizeof(dbInf.dbmsVer), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_ACTIVE_CONNECTIONS, (UCHAR*) &dbInf.maxConnections, sizeof(dbInf.maxConnections), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_ACTIVE_STATEMENTS, (UCHAR*) &dbInf.maxStmts, sizeof(dbInf.maxStmts), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
-    retcode = SQLGetInfo(hdbc, SQL_DRIVER_NAME, (UCHAR*) dbInf.driverName, 40, &cb);
+    retcode = SQLGetInfo(hdbc, SQL_DRIVER_NAME, (UCHAR*) dbInf.driverName, sizeof(dbInf.driverName), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
-    retcode = SQLGetInfo(hdbc, SQL_DRIVER_ODBC_VER, (UCHAR*) dbInf.odbcVer, 60, &cb);
+    retcode = SQLGetInfo(hdbc, SQL_DRIVER_ODBC_VER, (UCHAR*) dbInf.odbcVer, sizeof(dbInf.odbcVer), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
-    retcode = SQLGetInfo(hdbc, SQL_ODBC_VER, (UCHAR*) dbInf.drvMgrOdbcVer, 60, &cb);
+    retcode = SQLGetInfo(hdbc, SQL_ODBC_VER, (UCHAR*) dbInf.drvMgrOdbcVer, sizeof(dbInf.drvMgrOdbcVer), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
-    retcode = SQLGetInfo(hdbc, SQL_DRIVER_VER, (UCHAR*) dbInf.driverVer, 60, &cb);
+    retcode = SQLGetInfo(hdbc, SQL_DRIVER_VER, (UCHAR*) dbInf.driverVer, sizeof(dbInf.driverVer), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_ODBC_API_CONFORMANCE, (UCHAR*) &dbInf.apiConfLvl, sizeof(dbInf.apiConfLvl), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_ODBC_SAG_CLI_CONFORMANCE, (UCHAR*) &dbInf.cliConfLvl, sizeof(dbInf.cliConfLvl), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
     {
         // Not all drivers support this call - Nick Gorham(unixODBC)
         dbInf.cliConfLvl = 0;
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
     }
 
     retcode = SQLGetInfo(hdbc, SQL_ODBC_SQL_CONFORMANCE, (UCHAR*) &dbInf.sqlConfLvl, sizeof(dbInf.sqlConfLvl), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
-    retcode = SQLGetInfo(hdbc, SQL_OUTER_JOINS, (UCHAR*) dbInf.outerJoins, 2, &cb);
+    retcode = SQLGetInfo(hdbc, SQL_OUTER_JOINS, (UCHAR*) dbInf.outerJoins, sizeof(dbInf.outerJoins), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
-    retcode = SQLGetInfo(hdbc, SQL_PROCEDURES, (UCHAR*) dbInf.procedureSupport, 2, &cb);
+    retcode = SQLGetInfo(hdbc, SQL_PROCEDURES, (UCHAR*) dbInf.procedureSupport, sizeof(dbInf.procedureSupport), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
-    retcode = SQLGetInfo(hdbc, SQL_ACCESSIBLE_TABLES, (UCHAR*) dbInf.accessibleTables, 2, &cb);
+    retcode = SQLGetInfo(hdbc, SQL_ACCESSIBLE_TABLES, (UCHAR*) dbInf.accessibleTables, sizeof(dbInf.accessibleTables), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_CURSOR_COMMIT_BEHAVIOR, (UCHAR*) &dbInf.cursorCommitBehavior, sizeof(dbInf.cursorCommitBehavior), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_CURSOR_ROLLBACK_BEHAVIOR, (UCHAR*) &dbInf.cursorRollbackBehavior, sizeof(dbInf.cursorRollbackBehavior), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_NON_NULLABLE_COLUMNS, (UCHAR*) &dbInf.supportNotNullClause, sizeof(dbInf.supportNotNullClause), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
-    retcode = SQLGetInfo(hdbc, SQL_ODBC_SQL_OPT_IEF, (UCHAR*) dbInf.supportIEF, 2, &cb);
+    retcode = SQLGetInfo(hdbc, SQL_ODBC_SQL_OPT_IEF, (UCHAR*) dbInf.supportIEF, sizeof(dbInf.supportIEF), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_DEFAULT_TXN_ISOLATION, (UCHAR*) &dbInf.txnIsolation, sizeof(dbInf.txnIsolation), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_TXN_ISOLATION_OPTION, (UCHAR*) &dbInf.txnIsolationOptions, sizeof(dbInf.txnIsolationOptions), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_FETCH_DIRECTION, (UCHAR*) &dbInf.fetchDirections, sizeof(dbInf.fetchDirections), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_LOCK_TYPES, (UCHAR*) &dbInf.lockTypes, sizeof(dbInf.lockTypes), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_POS_OPERATIONS, (UCHAR*) &dbInf.posOperations, sizeof(dbInf.posOperations), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_POSITIONED_STATEMENTS, (UCHAR*) &dbInf.posStmts, sizeof(dbInf.posStmts), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_SCROLL_CONCURRENCY, (UCHAR*) &dbInf.scrollConcurrency, sizeof(dbInf.scrollConcurrency), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_SCROLL_OPTIONS, (UCHAR*) &dbInf.scrollOptions, sizeof(dbInf.scrollOptions), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_STATIC_SENSITIVITY, (UCHAR*) &dbInf.staticSensitivity, sizeof(dbInf.staticSensitivity), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_TXN_CAPABLE, (UCHAR*) &dbInf.txnCapable, sizeof(dbInf.txnCapable), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
     retcode = SQLGetInfo(hdbc, SQL_LOGIN_TIMEOUT, (UCHAR*) &dbInf.loginTimeout, sizeof(dbInf.loginTimeout), &cb);
     if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
-       {
-               DispAllErrors(henv, hdbc);
-               if (failOnDataTypeUnsupported)
-                       return FALSE;
-       }
+    {
+        DispAllErrors(henv, hdbc);
+        if (failOnDataTypeUnsupported)
+            return false;
+    }
 
 #ifdef DBDEBUG_CONSOLE
     cout << wxT("***** DATA SOURCE INFORMATION *****") << endl;
@@ -1526,7 +1526,7 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
 #endif
 
     // Completed Successfully
-    return(TRUE);
+    return true;
 
 } // wxDb::getDbInfo()
 
@@ -1557,13 +1557,13 @@ bool wxDb::getDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo)
 #endif
         DispAllErrors(henv, hdbc, hstmt);
         SQLFreeStmt(hstmt, SQL_CLOSE);
-        return(FALSE);
+        return false;
     }
 
     wxChar typeName[DB_TYPE_NAME_LEN+1];
 
     // Obtain columns from the record
-    if (SQLGetData(hstmt, 1, SQL_C_CHAR, (UCHAR*) typeName, DB_TYPE_NAME_LEN, &cbRet) != SQL_SUCCESS)
+    if (SQLGetData(hstmt, 1, SQL_C_WXCHAR, typeName, sizeof(typeName), &cbRet) != SQL_SUCCESS)
         return(DispAllErrors(henv, hdbc, hstmt));
 
     structSQLTypeInfo.TypeName = typeName;
@@ -1614,7 +1614,7 @@ bool wxDb::getDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo)
         return(DispAllErrors(henv, hdbc, hstmt));
 
     // Completed Successfully
-    return(TRUE);
+    return true;
 
 } // wxDb::getDataTypeInfo()
 
@@ -1671,7 +1671,7 @@ void wxDb::Close(void)
         wxStrcpy(DBerrorList[i], errorList[i]);
 
     dbmsType = dbmsUNIDENTIFIED;
-    dbIsOpen = FALSE;
+    dbIsOpen = false;
 
 } // wxDb::Close()
 
@@ -1687,7 +1687,7 @@ bool wxDb::CommitTrans(void)
     }
 
     // Completed successfully
-    return(TRUE);
+    return true;
 
 } // wxDb::CommitTrans()
 
@@ -1700,7 +1700,7 @@ bool wxDb::RollbackTrans(void)
         return(DispAllErrors(henv, hdbc));
 
     // Completed successfully
-    return(TRUE);
+    return true;
 
 } // wxDb::RollbackTrans()
 
@@ -1717,15 +1717,19 @@ bool wxDb::DispAllErrors(HENV aHenv, HDBC aHdbc, HSTMT aHstmt)
  * If in DBDEBUG_CONSOLE mode, the constructed string will be displayed in the console
  * window and program execution will be paused until the user presses a key.
  *
- * This function always returns a FALSE, so that functions which call this function
+ * This function always returns a false, so that functions which call this function
  * can have a line like "return (DispAllErrors(henv, hdbc));" to indicate the failure
  * of the users request, so that the calling code can then process the error msg log
  */
 {
     wxString odbcErrMsg;
 
-    while (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS)
-    {
+#ifdef __VMS
+   while (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, (SQLINTEGER *) &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS)
+#else
+   while (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, (long*) &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS)
+#endif
+     {
         odbcErrMsg.Printf(wxT("SQL State = %s\nNative Error Code = %li\nError Message = %s\n"), sqlState, nativeError, errorMsg);
         logError(odbcErrMsg, sqlState);
         if (!silent)
@@ -1743,7 +1747,7 @@ bool wxDb::DispAllErrors(HENV aHenv, HDBC aHdbc, HSTMT aHstmt)
         }
     }
 
-    return(FALSE);  // This function always returns FALSE.
+    return false;  // This function always returns false.
 
 } // wxDb::DispAllErrors()
 
@@ -1751,10 +1755,14 @@ bool wxDb::DispAllErrors(HENV aHenv, HDBC aHdbc, HSTMT aHstmt)
 /********** wxDb::GetNextError() **********/
 bool wxDb::GetNextError(HENV aHenv, HDBC aHdbc, HSTMT aHstmt)
 {
-    if (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS)
-        return(TRUE);
+#ifdef __VMS
+   if (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, (SQLINTEGER *) &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS)
+#else
+   if (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, (long*) &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS)
+#endif
+     return true;
     else
-        return(FALSE);
+        return false;
 
 } // wxDb::GetNextError()
 
@@ -2061,7 +2069,7 @@ bool wxDb::CreateView(const wxString &viewName, const wxString &colList,
 
     // Drop the view first
     if (attemptDrop && !DropView(viewName))
-        return FALSE;
+        return false;
 
     // Build the create view statement
     sqlStmt  = wxT("CREATE VIEW ");
@@ -2092,7 +2100,7 @@ bool wxDb::CreateView(const wxString &viewName, const wxString &colList,
 bool wxDb::DropView(const wxString &viewName)
 {
 /*
- * NOTE: This function returns TRUE if the View does not exist, but
+ * NOTE: This function returns true if the View 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
@@ -2119,16 +2127,16 @@ bool wxDb::DropView(const wxString &viewName)
                 DispNextError();
                 DispAllErrors(henv, hdbc, hstmt);
                 RollbackTrans();
-                return(FALSE);
+                return false;
             }
         }
     }
 
     // Commit the transaction
     if (!CommitTrans())
-        return(FALSE);
+        return false;
 
-    return TRUE;
+    return true;
 
 }  // wxDb::DropView()
 
@@ -2144,26 +2152,113 @@ bool wxDb::ExecSql(const wxString &pSqlStmt)
     if (retcode == SQL_SUCCESS ||
         (Dbms() == dbmsDB2 && (retcode == SQL_SUCCESS_WITH_INFO || retcode == SQL_NO_DATA_FOUND)))
     {
-        return(TRUE);
+        return true;
     }
     else
     {
         DispAllErrors(henv, hdbc, hstmt);
-        return(FALSE);
+        return false;
     }
 
 }  // wxDb::ExecSql()
 
 
+/********** wxDb::ExecSql() with column info **********/ 
+bool wxDb::ExecSql(const wxString &pSqlStmt, wxDbColInf** columns, short& numcols)
+{
+    //execute the statement first
+    if (!ExecSql(pSqlStmt))
+        return false;
+
+    SWORD noCols;
+    if (SQLNumResultCols(hstmt, &noCols) != SQL_SUCCESS)
+    {
+        DispAllErrors(henv, hdbc, hstmt);
+        return false;
+    }
+  
+    if (noCols == 0)
+        return false;
+    else 
+        numcols = noCols;
+      
+    //  Get column information
+    short colNum;
+    wxChar name[DB_MAX_COLUMN_NAME_LEN+1];
+    SWORD Sword;
+    SDWORD Sdword;
+    wxDbColInf* pColInf = new wxDbColInf[noCols];
+    
+    //fill in column information (name, datatype)
+    for (colNum = 0; colNum < noCols; colNum++) 
+    {
+        if (SQLColAttributes(hstmt, (UWORD)(colNum+1), SQL_COLUMN_NAME,
+            name, sizeof(name),
+            &Sword, &Sdword) != SQL_SUCCESS)
+        {
+            DispAllErrors(henv, hdbc, hstmt);
+            delete[] pColInf;
+            return false;
+        }
+  
+        wxStrncpy(pColInf[colNum].colName, name, DB_MAX_COLUMN_NAME_LEN);
+        
+        if (SQLColAttributes(hstmt, (UWORD)(colNum+1), SQL_COLUMN_TYPE,
+            NULL, 0, &Sword, &Sdword) != SQL_SUCCESS)
+        {
+            DispAllErrors(henv, hdbc, hstmt);
+            delete[] pColInf;
+            return false;
+        }
+        
+        switch (Sdword)
+        {
+            case SQL_VARCHAR:
+            case SQL_CHAR:
+                pColInf[colNum].dbDataType = DB_DATA_TYPE_VARCHAR;
+                break;
+            case SQL_TINYINT:
+            case SQL_SMALLINT:
+            case SQL_INTEGER:
+            case SQL_BIT:
+                pColInf[colNum].dbDataType = DB_DATA_TYPE_INTEGER;
+                break;
+            case SQL_DOUBLE:
+            case SQL_DECIMAL:
+            case SQL_NUMERIC:
+            case SQL_FLOAT:
+            case SQL_REAL:
+                pColInf[colNum].dbDataType = DB_DATA_TYPE_FLOAT;
+                break;
+            case SQL_DATE:
+            case SQL_TIMESTAMP:
+                pColInf[colNum].dbDataType = DB_DATA_TYPE_DATE;
+                break;
+            case SQL_BINARY:
+                pColInf[colNum].dbDataType = DB_DATA_TYPE_BLOB;
+                break;
+#ifdef __WXDEBUG__
+            default:
+                wxString errMsg;
+                errMsg.Printf(wxT("SQL Data type %ld currently not supported by wxWidgets"), (long)Sdword);
+                wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE"));
+#endif
+        }
+    }
+    *columns = pColInf;
+    return true;
+}  // wxDb::ExecSql()
+
 /********** wxDb::GetNext()  **********/
 bool wxDb::GetNext(void)
 {
     if (SQLFetch(hstmt) == SQL_SUCCESS)
-        return(TRUE);
+        return true;
     else
     {
         DispAllErrors(henv, hdbc, hstmt);
-        return(FALSE);
+        return false;
     }
 
 }  // wxDb::GetNext()
@@ -2175,12 +2270,17 @@ bool wxDb::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FA
     wxASSERT(pData);
     wxASSERT(cbReturned);
 
-    if (SQLGetData(hstmt, colNo, cType, pData, maxLen, cbReturned) == SQL_SUCCESS)
-        return(TRUE);
+    long bufferSize = maxLen;
+
+    if (cType == SQL_C_WXCHAR)
+        bufferSize = maxLen * sizeof(wxChar);
+
+    if (SQLGetData(hstmt, colNo, cType, pData, bufferSize, cbReturned) == SQL_SUCCESS)
+        return true;
     else
     {
         DispAllErrors(henv, hdbc, hstmt);
-        return(FALSE);
+        return false;
     }
 
 }  // wxDb::GetData()
@@ -2191,7 +2291,7 @@ int wxDb::GetKeyFields(const wxString &tableName, wxDbColInf* colInf, UWORD noCo
 {
     wxChar       szPkTable[DB_MAX_TABLE_NAME_LEN+1];  /* Primary key table name */
     wxChar       szFkTable[DB_MAX_TABLE_NAME_LEN+1];  /* Foreign key table name */
-    short        iKeySeq;
+    SWORD        iKeySeq;
 //    SQLSMALLINT  iKeySeq;
     wxChar       szPkCol[DB_MAX_COLUMN_NAME_LEN+1];   /* Primary key column     */
     wxChar       szFkCol[DB_MAX_COLUMN_NAME_LEN+1];   /* Foreign key column     */
@@ -2229,7 +2329,7 @@ int wxDb::GetKeyFields(const wxString &tableName, wxDbColInf* colInf, UWORD noCo
         retcode = SQLFetch(hstmt);
         if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
         {
-            GetData( 4, SQL_C_CHAR,   szPkCol,     DB_MAX_COLUMN_NAME_LEN+1, &cb);
+            GetData( 4, SQL_C_WXCHAR,  szPkCol,    DB_MAX_COLUMN_NAME_LEN+1, &cb);
             GetData( 5, SQL_C_SSHORT, &iKeySeq,    0,                        &cb);
             //-------
             for (i=0;i<noCols;i++)                          // Find the Column name
@@ -2261,17 +2361,17 @@ int wxDb::GetKeyFields(const wxString &tableName, wxDbColInf* colInf, UWORD noCo
         retcode = SQLFetch(hstmt);
         if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
         {
-            GetData( 3, SQL_C_CHAR,   szPkTable,   DB_MAX_TABLE_NAME_LEN+1,  &cb);
-            GetData( 4, SQL_C_CHAR,   szPkCol,     DB_MAX_COLUMN_NAME_LEN+1, &cb);
-            GetData( 5, SQL_C_SSHORT, &iKeySeq,    0,                        &cb);
-            GetData( 7, SQL_C_CHAR,   szFkTable,   DB_MAX_TABLE_NAME_LEN+1,  &cb);
-            GetData( 8, SQL_C_CHAR,   szFkCol,     DB_MAX_COLUMN_NAME_LEN+1, &cb);
+            GetData( 3, SQL_C_WXCHAR,  szPkTable,   DB_MAX_TABLE_NAME_LEN+1,   &cb);
+            GetData( 4, SQL_C_WXCHAR,  szPkCol,     DB_MAX_COLUMN_NAME_LEN+1,  &cb);
+            GetData( 5, SQL_C_SSHORT, &iKeySeq,     0,                         &cb);
+            GetData( 7, SQL_C_WXCHAR,  szFkTable,   DB_MAX_TABLE_NAME_LEN+1,   &cb);
+            GetData( 8, SQL_C_WXCHAR,  szFkCol,     DB_MAX_COLUMN_NAME_LEN+1,  &cb);
             tempStr.Printf(wxT("%s[%s] "),tempStr.c_str(),szFkTable);  // [ ] in case there is a blank in the Table name
         }  // if
     }  // while
 
     tempStr.Trim();     // Get rid of any unneeded blanks
-    if (!tempStr.IsEmpty())
+    if (!tempStr.empty())
     {
         for (i=0; i<noCols; i++)
         {   // Find the Column name
@@ -2303,9 +2403,9 @@ int wxDb::GetKeyFields(const wxString &tableName, wxDbColInf* colInf, UWORD noCo
         retcode = SQLFetch(hstmt);
         if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
         {
-            GetData( 3, SQL_C_CHAR,   szPkTable,   DB_MAX_TABLE_NAME_LEN+1,  &cb);
-            GetData( 5, SQL_C_SSHORT, &iKeySeq,    0,                        &cb);
-            GetData( 8, SQL_C_CHAR,   szFkCol,     DB_MAX_COLUMN_NAME_LEN+1, &cb);
+            GetData( 3, SQL_C_WXCHAR,  szPkTable,   DB_MAX_TABLE_NAME_LEN+1,  &cb);
+            GetData( 5, SQL_C_SSHORT, &iKeySeq,     0,                        &cb);
+            GetData( 8, SQL_C_WXCHAR,  szFkCol,     DB_MAX_COLUMN_NAME_LEN+1, &cb);
             //-------
             for (i=0; i<noCols; i++)                            // Find the Column name
             {
@@ -2400,7 +2500,7 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
 
             // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
             // use the call below that leaves out the user name
-            if (!UserID.IsEmpty() &&
+            if (!UserID.empty() &&
                 Dbms() != dbmsMY_SQL &&
                 Dbms() != dbmsACCESS &&
                 Dbms() != dbmsMS_SQL_SERVER)
@@ -2437,30 +2537,30 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
                     if (colNo < noCols)  // Some extra error checking to prevent memory overwrites
                     {
                         // NOTE: Only the ODBC 1.x fields are retrieved
-                        GetData( 1, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].catalog,      128+1,                    &cb);
-                        GetData( 2, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].schema,       128+1,                    &cb);
-                        GetData( 3, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].tableName,    DB_MAX_TABLE_NAME_LEN+1,  &cb);
-                        GetData( 4, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].colName,      DB_MAX_COLUMN_NAME_LEN+1, &cb);
+                        GetData( 1, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].catalog,      128+1,                    &cb);
+                        GetData( 2, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].schema,       128+1,                    &cb);
+                        GetData( 3, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].tableName,    DB_MAX_TABLE_NAME_LEN+1,  &cb);
+                        GetData( 4, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].colName,      DB_MAX_COLUMN_NAME_LEN+1, &cb);
                         GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType,  0,                        &cb);
-                        GetData( 6, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].typeName,     128+1,                    &cb);
-                        GetData( 7, SQL_C_SLONG,  (UCHAR*) &colInf[colNo].columnSize,   0,                        &cb);
-                        GetData( 8, SQL_C_SLONG,  (UCHAR*) &colInf[colNo].bufferLength, 0,                        &cb);
+                        GetData( 6, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].typeName,     128+1,                    &cb);
+                        GetData( 7, SQL_C_SLONG,  (UCHAR*) &colInf[colNo].columnLength, 0,                        &cb);
+                        GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferSize,   0,                        &cb);
                         GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0,                        &cb);
                         GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0,                        &cb);
                         GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable,     0,                        &cb);
-                        GetData(12, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].remarks,      254+1,                    &cb);
+                        GetData(12, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].remarks,      254+1,                    &cb);
 
                         // Determine the wxDb data type that is used to represent the native data type of this data source
                         colInf[colNo].dbDataType = 0;
                         if (!wxStricmp(typeInfVarchar.TypeName,colInf[colNo].typeName))
                         {
 #ifdef _IODBC_
-                            // IODBC does not return a correct columnSize, so we set
-                            // columnSize = bufferLength if no column size was returned
-                            // IODBC returns the columnSize in bufferLength.. (bug)
-                            if (colInf[colNo].columnSize < 1)
+                            // IODBC does not return a correct columnLength, so we set
+                            // columnLength = bufferSize if no column length was returned
+                            // IODBC returns the columnLength in bufferSize. (bug)
+                            if (colInf[colNo].columnLength < 1)
                             {
-                               colInf[colNo].columnSize = colInf[colNo].bufferLength;
+                               colInf[colNo].columnLength = colInf[colNo].bufferSize;
                             }
 #endif
                             colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
@@ -2555,7 +2655,7 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, UWORD *numCols, const wx
 
         // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
         // use the call below that leaves out the user name
-        if (!UserID.IsEmpty() &&
+        if (!UserID.empty() &&
             Dbms() != dbmsMY_SQL &&
             Dbms() != dbmsACCESS &&
             Dbms() != dbmsMS_SQL_SERVER)
@@ -2594,19 +2694,19 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, UWORD *numCols, const wx
                 if (colNo < noCols)  // Some extra error checking to prevent memory overwrites
                 {
                     // NOTE: Only the ODBC 1.x fields are retrieved
-                    GetData( 1, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].catalog,      128+1,                    &cb);
-                    GetData( 2, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].schema,       128+1,                    &cb);
-                    GetData( 3, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].tableName,    DB_MAX_TABLE_NAME_LEN+1,  &cb);
-                    GetData( 4, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].colName,      DB_MAX_COLUMN_NAME_LEN+1, &cb);
-                    GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType,  0,                        &cb);
-                    GetData( 6, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].typeName,     128+1,                    &cb);
-                    GetData( 7, SQL_C_SLONG,  (UCHAR*) &colInf[colNo].columnSize,   0,                        &cb);
+                    GetData( 1, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].catalog,      128+1,                     &cb);
+                    GetData( 2, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].schema,       128+1,                     &cb);
+                    GetData( 3, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].tableName,    DB_MAX_TABLE_NAME_LEN+1,   &cb);
+                    GetData( 4, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].colName,      DB_MAX_COLUMN_NAME_LEN+1,  &cb);
+                    GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType,  0,                         &cb);
+                    GetData( 6, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].typeName,     128+1,                     &cb);
+                    GetData( 7, SQL_C_SLONG,  (UCHAR*) &colInf[colNo].columnLength, 0,                         &cb);
                     // BJO 991214 : SQL_C_SSHORT instead of SQL_C_SLONG, otherwise fails on Sparc (probably all 64 bit architectures)
-                    GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferLength, 0,                        &cb);
-                    GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0,                        &cb);
-                    GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0,                        &cb);
-                    GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable,     0,                        &cb);
-                    GetData(12, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].remarks,      254+1,                    &cb);
+                    GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferSize,   0,                         &cb);
+                    GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0,                         &cb);
+                    GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0,                         &cb);
+                    GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable,     0,                         &cb);
+                    GetData(12, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].remarks,      254+1,                     &cb);
                     // Start Values for Primary/Foriegn Key (=No)
                     colInf[colNo].PkCol = 0;           // Primary key column   0=No; 1= First Key, 2 = Second Key etc.
                     colInf[colNo].PkTableName[0] = 0;  // Tablenames where Primary Key is used as a Foreign Key
@@ -2626,12 +2726,12 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, UWORD *numCols, const wx
                     if (!wxStricmp(typeInfVarchar.TypeName, colInf[colNo].typeName))
                     {
 #ifdef _IODBC_
-                        // IODBC does not return a correct columnSize, so we set
-                        // columnSize = bufferLength if no column size was returned
-                        // IODBC returns the columnSize in bufferLength.. (bug)
-                        if (colInf[colNo].columnSize < 1)
+                        // IODBC does not return a correct columnLength, so we set
+                        // columnLength = bufferSize if no column length was returned
+                        // IODBC returns the columnLength in bufferSize. (bug)
+                        if (colInf[colNo].columnLength < 1)
                         {
-                           colInf[colNo].columnSize = colInf[colNo].bufferLength;
+                           colInf[colNo].columnLength = colInf[colNo].bufferSize;
                         }
 #endif
 
@@ -2810,7 +2910,7 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
 
         // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
         // use the call below that leaves out the user name
-        if (!UserID.IsEmpty() &&
+        if (!UserID.empty() &&
             Dbms() != dbmsMY_SQL &&
             Dbms() != dbmsACCESS &&
             Dbms() != dbmsMS_SQL_SERVER)
@@ -2849,18 +2949,18 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
                 if (colNo < noCols)  // Some extra error checking to prevent memory overwrites
                 {
                     // NOTE: Only the ODBC 1.x fields are retrieved
-                    GetData( 1, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].catalog,      128+1,                    &cb);
-                    GetData( 2, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].schema,       128+1,                    &cb);
-                    GetData( 3, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].tableName,    DB_MAX_TABLE_NAME_LEN+1,  &cb);
-                    GetData( 4, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].colName,      DB_MAX_COLUMN_NAME_LEN+1, &cb);
-                    GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType,  0,                        &cb);
-                    GetData( 6, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].typeName,     128+1,                    &cb);
-                    GetData( 7, SQL_C_SLONG,  (UCHAR*) &colInf[colNo].columnSize,   0,                        &cb);
-                    GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferLength, 0,                        &cb);
-                    GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0,                        &cb);
-                    GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0,                        &cb);
-                    GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable,     0,                        &cb);
-                    GetData(12, SQL_C_CHAR,   (UCHAR*)  colInf[colNo].remarks,      254+1,                    &cb);
+                    GetData( 1, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].catalog,      128+1,                     &cb);
+                    GetData( 2, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].schema,       128+1,                     &cb);
+                    GetData( 3, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].tableName,    DB_MAX_TABLE_NAME_LEN+1,   &cb);
+                    GetData( 4, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].colName,      DB_MAX_COLUMN_NAME_LEN+1,  &cb);
+                    GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType,  0,                         &cb);
+                    GetData( 6, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].typeName,     128+1,                     &cb);
+                    GetData( 7, SQL_C_SLONG,  (UCHAR*) &colInf[colNo].columnLength, 0,                         &cb);
+                    GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferSize,   0,                         &cb);
+                    GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0,                         &cb);
+                    GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0,                         &cb);
+                    GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable,     0,                         &cb);
+                    GetData(12, SQL_C_WXCHAR, (UCHAR*)  colInf[colNo].remarks,      254+1,                     &cb);
                     // Start Values for Primary/Foriegn Key (=No)
                     colInf[colNo].PkCol = 0;           // Primary key column   0=No; 1= First Key, 2 = Second Key etc.
                     colInf[colNo].PkTableName[0] = 0;  // Tablenames where Primary Key is used as a Foreign Key
@@ -2868,12 +2968,12 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
                     colInf[colNo].FkTableName[0] = 0;  // Foreign key table name
 
 #ifdef _IODBC_
-                    // IODBC does not return a correct columnSize, so we set
-                    // columnSize = bufferLength if no column size was returned
-                    // IODBC returns the columnSize in bufferLength.. (bug)
-                    if (colInf[colNo].columnSize < 1)
+                    // IODBC does not return a correct columnLength, so we set
+                    // columnLength = bufferSize if no column length was returned
+                    // IODBC returns the columnLength in bufferSize. (bug)
+                    if (colInf[colNo].columnLength < 1)
                     {
-                       colInf[colNo].columnSize = colInf[colNo].bufferLength;
+                       colInf[colNo].columnLength = colInf[colNo].bufferSize;
                     }
 #endif
 
@@ -2886,10 +2986,10 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
                         case SQL_CHAR:
                             colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
                         break;
-
                         case SQL_TINYINT:
                         case SQL_SMALLINT:
                         case SQL_INTEGER:
+                        case SQL_BIT:
                             colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
                             break;
                         case SQL_DOUBLE:
@@ -2900,6 +3000,7 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
                             colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
                             break;
                         case SQL_DATE:
+                        case SQL_TIMESTAMP:
                             colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
                             break;
                         case SQL_BINARY:
@@ -3048,7 +3149,7 @@ int wxDb::GetColumnCount(const wxString &tableName, const wxChar *userID)
 
     // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
     // use the call below that leaves out the user name
-    if (!UserID.IsEmpty() &&
+    if (!UserID.empty() &&
         Dbms() != dbmsMY_SQL &&
         Dbms() != dbmsACCESS &&
         Dbms() != dbmsMS_SQL_SERVER)
@@ -3141,7 +3242,7 @@ wxDbInf *wxDb::GetCatalog(const wxChar *userID)
         SQLFreeStmt(hstmt, SQL_CLOSE);   // Close if Open
         tblNameSave.Empty();
 
-        if (!UserID.IsEmpty() &&
+        if (!UserID.empty() &&
             Dbms() != dbmsMY_SQL &&
             Dbms() != dbmsACCESS &&
             Dbms() != dbmsMS_SQL_SERVER)
@@ -3175,8 +3276,8 @@ wxDbInf *wxDb::GetCatalog(const wxChar *userID)
             {
                 if (pDbInf->numTables == 0)
                 {
-                    GetData( 1, SQL_C_CHAR,   (UCHAR*)  pDbInf->catalog,  128+1, &cb);
-                    GetData( 2, SQL_C_CHAR,   (UCHAR*)  pDbInf->schema,   128+1, &cb);
+                    GetData( 1, SQL_C_WXCHAR,   (UCHAR*)  pDbInf->catalog,  128+1, &cb);
+                    GetData( 2, SQL_C_WXCHAR,   (UCHAR*)  pDbInf->schema,   128+1, &cb);
                  }
                  pDbInf->numTables++;      // Counter for Tables
             }  // if (pass == 1)
@@ -3188,9 +3289,9 @@ wxDbInf *wxDb::GetCatalog(const wxChar *userID)
                     noTab = 0;
                 } // if (pDbInf->pTableInf == NULL)   // Has the Table Array been created
 
-                GetData( 3, SQL_C_CHAR,   (UCHAR*)  (pDbInf->pTableInf+noTab)->tableName,    DB_MAX_TABLE_NAME_LEN+1, &cb);
-                GetData( 4, SQL_C_CHAR,   (UCHAR*)  (pDbInf->pTableInf+noTab)->tableType,    30+1,                    &cb);
-                GetData( 5, SQL_C_CHAR,   (UCHAR*)  (pDbInf->pTableInf+noTab)->tableRemarks, 254+1,                   &cb);
+                GetData( 3, SQL_C_WXCHAR,   (UCHAR*)  (pDbInf->pTableInf+noTab)->tableName,    DB_MAX_TABLE_NAME_LEN+1, &cb);
+                GetData( 4, SQL_C_WXCHAR,   (UCHAR*)  (pDbInf->pTableInf+noTab)->tableType,    30+1,                    &cb);
+                GetData( 5, SQL_C_WXCHAR,   (UCHAR*)  (pDbInf->pTableInf+noTab)->tableRemarks, 254+1,                   &cb);
 
                 noTab++;
             }  // if
@@ -3201,7 +3302,7 @@ wxDbInf *wxDb::GetCatalog(const wxChar *userID)
     // Query how many columns are in each table
     for (noTab=0;noTab<pDbInf->numTables;noTab++)
     {
-        (pDbInf->pTableInf+noTab)->numCols = GetColumnCount((pDbInf->pTableInf+noTab)->tableName,UserID);
+        (pDbInf->pTableInf+noTab)->numCols = (UWORD)GetColumnCount((pDbInf->pTableInf+noTab)->tableName,UserID);
     }
 
     return pDbInf;
@@ -3239,14 +3340,14 @@ bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
 
     FILE *fp = wxFopen(fileName.c_str(),wxT("wt"));
     if (fp == NULL)
-        return(FALSE);
+        return false;
 
     SQLFreeStmt(hstmt, SQL_CLOSE);
 
     wxString UserID;
     convertUserID(userID,UserID);
 
-    if (!UserID.IsEmpty() &&
+    if (!UserID.empty() &&
         Dbms() != dbmsMY_SQL &&
         Dbms() != dbmsACCESS &&
         Dbms() != dbmsINTERBASE &&
@@ -3270,25 +3371,25 @@ bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
     {
         DispAllErrors(henv, hdbc, hstmt);
         fclose(fp);
-        return(FALSE);
+        return false;
     }
 
     wxString outStr;
     tblNameSave.Empty();
     int cnt = 0;
 
-    while (TRUE)
+    while (true)
     {
         retcode = SQLFetch(hstmt);
         if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
             break;
 
-        GetData(3,SQL_C_CHAR,  (UCHAR *) tblName,     DB_MAX_TABLE_NAME_LEN+1, &cb);
-        GetData(4,SQL_C_CHAR,  (UCHAR *) colName,     DB_MAX_COLUMN_NAME_LEN+1,&cb);
-        GetData(5,SQL_C_SSHORT,(UCHAR *)&sqlDataType, 0,                       &cb);
-        GetData(6,SQL_C_CHAR,  (UCHAR *) typeName,    sizeof(typeName),        &cb);
-        GetData(7,SQL_C_SLONG, (UCHAR *)&precision,   0,                       &cb);
-        GetData(8,SQL_C_SLONG, (UCHAR *)&length,      0,                       &cb);
+        GetData(3,SQL_C_WXCHAR,  (UCHAR *) tblName,     DB_MAX_TABLE_NAME_LEN+1, &cb);
+        GetData(4,SQL_C_WXCHAR,  (UCHAR *) colName,     DB_MAX_COLUMN_NAME_LEN+1,&cb);
+        GetData(5,SQL_C_SSHORT,  (UCHAR *)&sqlDataType, 0,                       &cb);
+        GetData(6,SQL_C_WXCHAR,  (UCHAR *) typeName,    sizeof(typeName),        &cb);
+        GetData(7,SQL_C_SLONG,   (UCHAR *)&precision,   0,                       &cb);
+        GetData(8,SQL_C_SLONG,   (UCHAR *)&length,      0,                       &cb);
 
         if (wxStrcmp(tblName, tblNameSave.c_str()))
         {
@@ -3316,7 +3417,7 @@ bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
         {
             SQLFreeStmt(hstmt, SQL_CLOSE);
             fclose(fp);
-            return(FALSE);
+            return false;
         }
         cnt++;
     }
@@ -3334,7 +3435,7 @@ bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
 
 bool wxDb::TableExists(const wxString &tableName, const wxChar *userID, const wxString &tablePath)
 /*
- * Table name can refer to a table, view, alias or synonym.  Returns TRUE
+ * Table name can refer to a table, view, alias or synonym.  Returns true
  * if the object exists in the database.  This function does not indicate
  * whether or not the user has privleges to query or perform other functions
  * on the table.
@@ -3377,7 +3478,7 @@ bool wxDb::TableExists(const wxString &tableName, const wxChar *userID, const wx
 
     // Some databases cannot accept a user name when looking up table names,
     // so we use the call below that leaves out the user name
-    if (!UserID.IsEmpty() &&
+    if (!UserID.empty() &&
         Dbms() != dbmsMY_SQL &&
         Dbms() != dbmsACCESS &&
         Dbms() != dbmsMS_SQL_SERVER &&
@@ -3411,7 +3512,7 @@ bool wxDb::TableExists(const wxString &tableName, const wxChar *userID, const wx
 
     SQLFreeStmt(hstmt, SQL_CLOSE);
 
-    return(TRUE);
+    return true;
 
 }  // wxDb::TableExists()
 
@@ -3447,7 +3548,7 @@ bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, cons
 
     // Some databases cannot accept a user name when looking up table names,
     // so we use the call below that leaves out the user name
-    if (!Schema.IsEmpty() &&
+    if (!Schema.empty() &&
         Dbms() != dbmsMY_SQL &&
         Dbms() != dbmsACCESS &&
         Dbms() != dbmsMS_SQL_SERVER)
@@ -3470,32 +3571,32 @@ bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, cons
 #endif
 
     if ((retcode != SQL_SUCCESS) && (retcode != SQL_SUCCESS_WITH_INFO))
-        return(DispAllErrors(henv, hdbc, hstmt));
+        return (DispAllErrors(henv, hdbc, hstmt));
 
-    bool failed = FALSE;
+    bool failed = false;
     retcode = SQLFetch(hstmt);
     while (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
     {
-        if (SQLGetData(hstmt, 1, SQL_C_CHAR, (UCHAR*) result.tableQual, sizeof(result.tableQual), &cbRetVal) != SQL_SUCCESS)
-            failed = TRUE;
+        if (SQLGetData(hstmt, 1, SQL_C_WXCHAR, (UCHAR*) result.tableQual, sizeof(result.tableQual), &cbRetVal) != SQL_SUCCESS)
+            failed = true;
 
-        if (!failed && SQLGetData(hstmt, 2, SQL_C_CHAR, (UCHAR*) result.tableOwner, sizeof(result.tableOwner), &cbRetVal) != SQL_SUCCESS)
-            failed = TRUE;
+        if (!failed && SQLGetData(hstmt, 2, SQL_C_WXCHAR, (UCHAR*) result.tableOwner, sizeof(result.tableOwner), &cbRetVal) != SQL_SUCCESS)
+            failed = true;
 
-        if (!failed && SQLGetData(hstmt, 3, SQL_C_CHAR, (UCHAR*) result.tableName, sizeof(result.tableName), &cbRetVal) != SQL_SUCCESS)
-            failed = TRUE;
+        if (!failed && SQLGetData(hstmt, 3, SQL_C_WXCHAR, (UCHAR*) result.tableName, sizeof(result.tableName), &cbRetVal) != SQL_SUCCESS)
+            failed = true;
 
-        if (!failed && SQLGetData(hstmt, 4, SQL_C_CHAR, (UCHAR*) result.grantor, sizeof(result.grantor), &cbRetVal) != SQL_SUCCESS)
-            failed = TRUE;
+        if (!failed && SQLGetData(hstmt, 4, SQL_C_WXCHAR, (UCHAR*) result.grantor, sizeof(result.grantor), &cbRetVal) != SQL_SUCCESS)
+            failed = true;
 
-        if (!failed && SQLGetData(hstmt, 5, SQL_C_CHAR, (UCHAR*) result.grantee, sizeof(result.grantee), &cbRetVal) != SQL_SUCCESS)
-            failed = TRUE;
+        if (!failed && SQLGetData(hstmt, 5, SQL_C_WXCHAR, (UCHAR*) result.grantee, sizeof(result.grantee), &cbRetVal) != SQL_SUCCESS)
+            failed = true;
 
-        if (!failed && SQLGetData(hstmt, 6, SQL_C_CHAR, (UCHAR*) result.privilege, sizeof(result.privilege), &cbRetVal) != SQL_SUCCESS)
-            failed = TRUE;
+        if (!failed && SQLGetData(hstmt, 6, SQL_C_WXCHAR, (UCHAR*) result.privilege, sizeof(result.privilege), &cbRetVal) != SQL_SUCCESS)
+            failed = true;
 
-        if (!failed && SQLGetData(hstmt, 7, SQL_C_CHAR, (UCHAR*) result.grantable, sizeof(result.grantable), &cbRetVal) != SQL_SUCCESS)
-            failed = TRUE;
+        if (!failed && SQLGetData(hstmt, 7, SQL_C_WXCHAR, (UCHAR*) result.grantable, sizeof(result.grantable), &cbRetVal) != SQL_SUCCESS)
+            failed = true;
 
         if (failed)
         {
@@ -3507,31 +3608,31 @@ bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, cons
                 result.grantor, result.grantee);
 #endif
 
-        if (UserID.IsSameAs(result.tableOwner,FALSE))
+        if (UserID.IsSameAs(result.tableOwner,false))
         {
             SQLFreeStmt(hstmt, SQL_CLOSE);
-            return TRUE;
+            return true;
         }
 
-        if (UserID.IsSameAs(result.grantee,FALSE) &&
+        if (UserID.IsSameAs(result.grantee,false) &&
             !wxStrcmp(result.privilege,priv))
         {
             SQLFreeStmt(hstmt, SQL_CLOSE);
-            return TRUE;
+            return true;
         }
 
         if (!wxStrcmp(result.grantee,curRole) &&
             !wxStrcmp(result.privilege,priv))
         {
             SQLFreeStmt(hstmt, SQL_CLOSE);
-            return TRUE;
+            return true;
         }
 
         retcode = SQLFetch(hstmt);
     }
 
     SQLFreeStmt(hstmt, SQL_CLOSE);
-    return FALSE;
+    return false;
 
 }  // wxDb::TablePrivileges
 
@@ -3576,7 +3677,7 @@ bool wxDb::SetSqlLogging(wxDbSqlLogState state, const wxString &filename, bool a
         {
             fpSqlLog = wxFopen(filename, (append ? wxT("at") : wxT("wt")));
             if (fpSqlLog == NULL)
-                return(FALSE);
+                return false;
         }
     }
     else  // sqlLogOFF
@@ -3584,13 +3685,13 @@ bool wxDb::SetSqlLogging(wxDbSqlLogState state, const wxString &filename, bool a
         if (fpSqlLog)
         {
             if (fclose(fpSqlLog))
-                return(FALSE);
+                return false;
             fpSqlLog = 0;
         }
     }
 
     sqlLogState = state;
-    return(TRUE);
+    return true;
 
 }  // wxDb::SetSqlLogging()
 
@@ -3601,16 +3702,16 @@ bool wxDb::WriteSqlLog(const wxString &logMsg)
     wxASSERT(logMsg.Length());
 
     if (fpSqlLog == 0 || sqlLogState == sqlLogOFF)
-        return(FALSE);
+        return false;
 
     if (wxFputs(wxT("\n"),   fpSqlLog) == EOF)
-        return(FALSE);
+        return false;
     if (wxFputs(logMsg, fpSqlLog) == EOF)
-        return(FALSE);
+        return false;
     if (wxFputs(wxT("\n"),   fpSqlLog) == EOF)
-        return(FALSE);
+        return false;
 
-    return(TRUE);
+    return true;
 
 }  // wxDb::WriteSqlLog()
 
@@ -3638,7 +3739,7 @@ wxDBMS wxDb::Dbms(void)
  *        - Does not support the SQL_TIMESTAMP structure
  *        - Supports only one cursor and one connect (apparently? with Microsoft driver only?)
  *        - Does not automatically create the primary index if the 'keyField' param of SetColDef
- *            is TRUE.  The user must create ALL indexes from their program.
+ *            is true.  The user must create ALL indexes from their program.
  *        - Table names can only be 8 characters long
  *        - Column names can only be 10 characters long
  *
@@ -3764,7 +3865,7 @@ bool wxDb::ModifyColumn(const wxString &tableName, const wxString &columnName,
 
     // Must specify a columnLength if modifying a VARCHAR type column
     if (dataType == DB_DATA_TYPE_VARCHAR && !columnLength)
-        return FALSE;
+        return false;
 
     wxString dataTypeName;
     wxString sqlStmt;
@@ -3788,7 +3889,7 @@ bool wxDb::ModifyColumn(const wxString &tableName, const wxString &columnName,
             dataTypeName = typeInfBlob.TypeName;
             break;
         default:
-            return FALSE;
+            return false;
     }
 
     // Set the modify or alter syntax depending on the type of database connected to
@@ -3801,7 +3902,7 @@ bool wxDb::ModifyColumn(const wxString &tableName, const wxString &columnName,
             alterSlashModify = _T("ALTER COLUMN");
             break;
         case dbmsUNIDENTIFIED :
-            return FALSE;
+            return false;
         case dbmsSYBASE_ASA :
         case dbmsSYBASE_ASE :
         case dbmsMY_SQL :
@@ -3870,11 +3971,11 @@ wxDb WXDLLIMPEXP_ODBC *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnly
         {
             if (pDbConfig->UseConnectionStr())
             {
-                if (pList->PtrDb->OpenedWithConnectionString() && 
+                if (pList->PtrDb->OpenedWithConnectionString() &&
                      (!wxStrcmp(pDbConfig->GetConnectionStr(), pList->ConnectionStr)))
                 {
                     // Found a free connection
-                    pList->Free = FALSE;
+                    pList->Free = false;
                     return(pList->PtrDb);
                 }
             }
@@ -3884,7 +3985,7 @@ wxDb WXDLLIMPEXP_ODBC *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnly
                      (!wxStrcmp(pDbConfig->GetDsn(), pList->Dsn)))
                 {
                     // Found a free connection
-                    pList->Free = FALSE;
+                    pList->Free = false;
                     return(pList->PtrDb);
                 }
             }
@@ -3924,7 +4025,7 @@ wxDb WXDLLIMPEXP_ODBC *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnly
 
     // Initialize new node in the linked list
     pList->PtrNext          = 0;
-    pList->Free             = FALSE;
+    pList->Free             = false;
     pList->Dsn              = pDbConfig->GetDsn();
     pList->Uid              = pDbConfig->GetUserID();
     pList->AuthStr          = pDbConfig->GetPassword();
@@ -3951,8 +4052,8 @@ wxDb WXDLLIMPEXP_ODBC *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnly
     // Connect to the datasource
     if (opened)
     {
-        pList->PtrDb->setCached(TRUE);  // Prevent a user from deleting a cached connection
-        pList->PtrDb->SetSqlLogging(SQLLOGstate, SQLLOGfn, TRUE);
+        pList->PtrDb->setCached(true);  // Prevent a user from deleting a cached connection
+        pList->PtrDb->SetSqlLogging(SQLLOGstate, SQLLOGfn, true);
         return(pList->PtrDb);
     }
     else  // Unable to connect, destroy list item
@@ -3981,11 +4082,11 @@ bool WXDLLIMPEXP_ODBC wxDbFreeConnection(wxDb *pDb)
     for (pList = PtrBegDbList; pList; pList = pList->PtrNext)
     {
         if (pList->PtrDb == pDb)  // Found it, now free it!!!
-            return (pList->Free = TRUE);
+            return (pList->Free = true);
     }
 
     // Never found the database object, return failure
-    return(FALSE);
+    return false;
 
 }  // wxDbFreeConnection()
 
@@ -4001,7 +4102,7 @@ void WXDLLIMPEXP_ODBC wxDbCloseConnections(void)
         pNext = pList->PtrNext;       // Save the pointer to next
         pList->PtrDb->CommitTrans();  // Commit any open transactions on wxDb object
         pList->PtrDb->Close();        // Close the wxDb object
-        pList->PtrDb->setCached(FALSE);  // Allows deletion of the wxDb instance
+        pList->PtrDb->setCached(false);  // Allows deletion of the wxDb instance
         delete pList->PtrDb;          // Deletes the wxDb object
         delete pList;                 // Deletes the linked list object
     }
@@ -4021,7 +4122,7 @@ int WXDLLIMPEXP_ODBC wxDbConnectionsInUse(void)
     // Scan the linked list counting db connections that are currently in use
     for (pList = PtrBegDbList; pList; pList = pList->PtrNext)
     {
-        if (pList->Free == FALSE)
+        if (pList->Free == false)
             cnt++;
     }
 
@@ -4081,20 +4182,20 @@ const wxChar WXDLLIMPEXP_ODBC *wxDbLogExtendedErrorMsg(const wxChar *userText,
 /********** wxDbSqlLog() **********/
 bool wxDbSqlLog(wxDbSqlLogState state, const wxChar *filename)
 {
-    bool append = FALSE;
+    bool append = false;
     wxDbList *pList;
 
     for (pList = PtrBegDbList; pList; pList = pList->PtrNext)
     {
         if (!pList->PtrDb->SetSqlLogging(state,filename,append))
-            return(FALSE);
-        append = TRUE;
+            return false;
+        append = true;
     }
 
     SQLLOGstate = state;
     SQLLOGfn = filename;
 
-    return(TRUE);
+    return true;
 
 }  // wxDbSqlLog()
 
@@ -4132,7 +4233,7 @@ int wxDbCreateDataSource(const wxString &driverName, const wxString &dsn, const
     int k;
     do
     {
-        k = setupStr.Find((wxChar)2,TRUE);
+        k = setupStr.Find((wxChar)2,true);
         if (k != wxNOT_FOUND)
             setupStr[(UINT)k] = wxT('\0');
     }
@@ -4183,20 +4284,22 @@ int wxDbCreateDataSource(const wxString &driverName, const wxString &dsn, const
 
 
 /********** wxDbGetDataSource() **********/
-bool wxDbGetDataSource(HENV henv, wxChar *Dsn, SWORD DsnMax, wxChar *DsDesc,
-                       SWORD DsDescMax, UWORD direction)
+bool wxDbGetDataSource(HENV henv, wxChar *Dsn, SWORD DsnMaxLength, wxChar *DsDesc,
+                       SWORD DsDescMaxLength, UWORD direction)
 /*
  * Dsn and DsDesc will contain the data source name and data source
  * description upon return
  */
 {
     SWORD cb1,cb2;
+    SWORD lengthDsn = (SWORD)(DsnMaxLength*sizeof(wxChar));
+    SWORD lengthDsDesc = (SWORD)(DsDescMaxLength*sizeof(wxChar));
 
-    if (SQLDataSources(henv, direction, (SQLTCHAR FAR *) Dsn, DsnMax, &cb1,
-                             (SQLTCHAR FAR *) DsDesc, DsDescMax, &cb2) == SQL_SUCCESS)
-        return(TRUE);
+    if (SQLDataSources(henv, direction, (SQLTCHAR FAR *) Dsn, lengthDsn, &cb1,
+                       (SQLTCHAR FAR *) DsDesc, lengthDsDesc, &cb2) == SQL_SUCCESS)
+        return true;
     else
-        return(FALSE);
+        return false;
 
 }  // wxDbGetDataSource()