Hopefully fixed library names generated by wx-config for OS/2's PM port.

[wxWidgets.git] / src / common / db.cpp

diff --git a/src/common/db.cpp b/src/common/db.cpp
index 1182d61b7efe2fb1018a7b93b523ac6634c9563c..4affce0b64c08132d89d37d114767c31b3bd55dd 100644 (file)
--- a/src/common/db.cpp
+++ b/src/common/db.cpp
@@ -85,7 +85,7 @@ static wxString SQLLOGfn = SQL_LOG_FILENAME;
 // will overwrite the errors of the previously destroyed wxDb object in
 // this variable.  NOTE: This occurs during a CLOSE, not a FREEing of the
 // connection
 // will overwrite the errors of the previously destroyed wxDb object in
 // this variable.  NOTE: This occurs during a CLOSE, not a FREEing of the
 // connection

-wxChar DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN];
+wxChar DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN+1];

 
 
 // This type defines the return row-struct form
 
 
 // This type defines the return row-struct form


@@ -179,7 +179,7 @@ bool wxDbConnectInf::AllocHenv()
     // Initialize the ODBC Environment for Database Operations
     if (SQLAllocEnv(&Henv) != SQL_SUCCESS)
     {
     // Initialize the ODBC Environment for Database Operations
     if (SQLAllocEnv(&Henv) != SQL_SUCCESS)
     {

-        wxLogDebug(wxT("A problem occured while trying to get a connection to the data source"));
+        wxLogDebug(wxT("A problem occurred while trying to get a connection to the data source"));

         return false;
     }
 
         return false;
     }
 


@@ -206,14 +206,16 @@ void wxDbConnectInf::SetDsn(const wxString &dsn)
 {
     wxASSERT(dsn.Length() < sizeof(Dsn));
 
 {
     wxASSERT(dsn.Length() < sizeof(Dsn));
 

-    wxStrcpy(Dsn,dsn);
+    wxStrncpy(Dsn, dsn, sizeof(Dsn)-1);
+    Dsn[sizeof(Dsn)-1] = 0;  // Prevent buffer overrun

 }  // wxDbConnectInf::SetDsn()
 
 
 void wxDbConnectInf::SetUserID(const wxString &uid)
 {
     wxASSERT(uid.Length() < sizeof(Uid));
 }  // wxDbConnectInf::SetDsn()
 
 
 void wxDbConnectInf::SetUserID(const wxString &uid)
 {
     wxASSERT(uid.Length() < sizeof(Uid));

-    wxStrcpy(Uid, uid);
+    wxStrncpy(Uid, uid, sizeof(Uid)-1);
+    Uid[sizeof(Uid)-1] = 0;  // Prevent buffer overrun

 }  // wxDbConnectInf::SetUserID()
 
 
 }  // wxDbConnectInf::SetUserID()
 
 


@@ -221,7 +223,8 @@ void wxDbConnectInf::SetPassword(const wxString &password)
 {
     wxASSERT(password.Length() < sizeof(AuthStr));
 
 {
     wxASSERT(password.Length() < sizeof(AuthStr));
 

-    wxStrcpy(AuthStr, password);
+    wxStrncpy(AuthStr, password, sizeof(AuthStr)-1);
+    AuthStr[sizeof(AuthStr)-1] = 0;  // Prevent buffer overrun

 }  // wxDbConnectInf::SetPassword()
 
 void wxDbConnectInf::SetConnectionStr(const wxString &connectStr)
 }  // wxDbConnectInf::SetPassword()
 
 void wxDbConnectInf::SetConnectionStr(const wxString &connectStr)


@@ -230,7 +233,8 @@ void wxDbConnectInf::SetConnectionStr(const wxString &connectStr)
 
     useConnectionStr = wxStrlen(connectStr) > 0;
 
 
     useConnectionStr = wxStrlen(connectStr) > 0;
 

-    wxStrcpy(ConnectionStr, connectStr);
+    wxStrncpy(ConnectionStr, connectStr, sizeof(ConnectionStr)-1);
+    ConnectionStr[sizeof(ConnectionStr)-1] = 0;  // Prevent buffer overrun

 }  // wxDbConnectInf::SetConnectionStr()
 
 
 }  // wxDbConnectInf::SetConnectionStr()
 
 


@@ -261,7 +265,7 @@ void wxDbColFor::Initialize()
 
 /********** wxDbColFor::Format() **********/
 int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType,
 
 /********** wxDbColFor::Format() **********/
 int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType,

-                       short columnSize, short decimalDigits)
+                       short columnLength, short decimalDigits)

 {
     // ----------------------------------------------------------------------------------------
     // -- 19991224 : mj10777 : Create
 {
     // ----------------------------------------------------------------------------------------
     // -- 19991224 : mj10777 : Create


@@ -283,14 +287,23 @@ int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType,
 
     if (i_dbDataType == 0)                                        // Filter unsupported dbDataTypes
     {
 
     if (i_dbDataType == 0)                                        // Filter unsupported dbDataTypes
     {

-        if ((i_sqlDataType == SQL_VARCHAR) || (i_sqlDataType == SQL_LONGVARCHAR))
+        if ((i_sqlDataType == SQL_VARCHAR)
+#if wxUSE_UNICODE
+    #if defined(SQL_WCHAR)
+            || (i_sqlDataType == SQL_WCHAR) 
+    #endif
+    #if defined(SQL_WVARCHAR)
+            || (i_sqlDataType == SQL_WVARCHAR)
+    #endif
+#endif
+            || (i_sqlDataType == SQL_LONGVARCHAR))

             i_dbDataType = DB_DATA_TYPE_VARCHAR;
         if ((i_sqlDataType == SQL_C_DATE) || (i_sqlDataType == SQL_C_TIMESTAMP))
             i_dbDataType = DB_DATA_TYPE_DATE;
         if (i_sqlDataType == SQL_C_BIT)
             i_dbDataType = DB_DATA_TYPE_INTEGER;
         if (i_sqlDataType == SQL_NUMERIC)
             i_dbDataType = DB_DATA_TYPE_VARCHAR;
         if ((i_sqlDataType == SQL_C_DATE) || (i_sqlDataType == SQL_C_TIMESTAMP))
             i_dbDataType = DB_DATA_TYPE_DATE;
         if (i_sqlDataType == SQL_C_BIT)
             i_dbDataType = DB_DATA_TYPE_INTEGER;
         if (i_sqlDataType == SQL_NUMERIC)

-            i_dbDataType = DB_DATA_TYPE_VARCHAR;
+            i_dbDataType = DB_DATA_TYPE_VARCHAR;   // glt - ??? is this right?

         if (i_sqlDataType == SQL_REAL)
             i_dbDataType = DB_DATA_TYPE_FLOAT;
         if (i_sqlDataType == SQL_C_BINARY)
         if (i_sqlDataType == SQL_REAL)
             i_dbDataType = DB_DATA_TYPE_FLOAT;
         if (i_sqlDataType == SQL_C_BINARY)


@@ -314,8 +327,8 @@ int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType,
             if (decimalDigits == 0)
                 decimalDigits = 2;
             tempStr = wxT("%");
             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)
             break;
         case DB_DATA_TYPE_DATE:
             if (i_Nation == 0)      // timestamp       YYYY-MM-DD HH:MM:SS.SSS (tested for SYBASE)


@@ -340,17 +353,16 @@ int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType,
             }
             break;
           case DB_DATA_TYPE_BLOB:
             }
             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:
                 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()
 
 
             break;
     };
     return TRUE;
 }  // wxDbColFor::Format()
 
 

-

 /********** wxDbColInf Constructor **********/
 wxDbColInf::wxDbColInf()
 {
 /********** wxDbColInf Constructor **********/
 wxDbColInf::wxDbColInf()
 {


@@ -375,8 +387,8 @@ bool wxDbColInf::Initialize()
     colName[0]      = 0;
     sqlDataType     = 0;
     typeName[0]     = 0;
     colName[0]      = 0;
     sqlDataType     = 0;
     typeName[0]     = 0;

-    columnSize      = 0;
-    bufferLength    = 0;
+    columnLength    = 0;
+    bufferSize      = 0;

     decimalDigits   = 0;
     numPrecRadix    = 0;
     nullable        = 0;
     decimalDigits   = 0;
     numPrecRadix    = 0;
     nullable        = 0;


@@ -564,39 +576,84 @@ const wxChar *wxDb::convertUserID(const wxChar *userID, wxString &UserID)
          || Dbms() == dbmsXBASE_SEQUITER )
         UserID.Empty();
 
          || Dbms() == dbmsXBASE_SEQUITER )
         UserID.Empty();
 

-    // Oracle user names may only be in uppercase, so force
-    // the name to uppercase
-    if (Dbms() == dbmsORACLE)
+    // Some databases require user names to be specified in uppercase,
+    // so force the name to uppercase
+    if ((Dbms() == dbmsORACLE) ||
+        (Dbms() == dbmsMAXDB))

         UserID = UserID.Upper();
 
     return UserID.c_str();
 }  // wxDb::convertUserID()
 
 
         UserID = UserID.Upper();
 
     return UserID.c_str();
 }  // wxDb::convertUserID()
 
 

-bool wxDb::open(bool failOnDataTypeUnsupported)
+bool wxDb::determineDataTypes(bool failOnDataTypeUnsupported)

 {
 {

-/*
-    If using Intersolv branded ODBC drivers, this is the place where you would substitute
-    your branded driver license information
+    size_t iIndex;

 
 

-    SQLSetConnectOption(hdbc, 1041, (UDWORD) wxEmptyString);
-    SQLSetConnectOption(hdbc, 1042, (UDWORD) wxEmptyString);
-*/
+    // These are the possible SQL types we check for use against the datasource we are connected
+    // to for the purpose of determining which data type to use for the basic character strings
+    // column types
+    //
+    // NOTE: The first type in this enumeration that is determined to be supported by the
+    //       datasource/driver is the one that will be used.
+    SWORD PossibleSqlCharTypes[] = {
+#if wxUSE_UNICODE && defined(SQL_WVARCHAR)
+        SQL_WVARCHAR,
+#endif
+        SQL_VARCHAR,
+#if wxUSE_UNICODE && defined(SQL_WVARCHAR)
+        SQL_WCHAR,
+#endif
+        SQL_CHAR
+    };

 
 

-    // Mark database as open
-    dbIsOpen = true;
+    // These are the possible SQL types we check for use against the datasource we are connected
+    // to for the purpose of determining which data type to use for the basic non-floating point
+    // column types
+    //
+    // NOTE: The first type in this enumeration that is determined to be supported by the
+    //       datasource/driver is the one that will be used.
+    SWORD PossibleSqlIntegerTypes[] = {
+        SQL_INTEGER
+    };

 
 

-    // Allocate a statement handle for the database connection
-    if (SQLAllocStmt(hdbc, &hstmt) != SQL_SUCCESS)
-        return(DispAllErrors(henv, hdbc));
+    // These are the possible SQL types we check for use against the datasource we are connected
+    // to for the purpose of determining which data type to use for the basic floating point number
+    // column types
+    //
+    // NOTE: The first type in this enumeration that is determined to be supported by the
+    //       datasource/driver is the one that will be used.
+    SWORD PossibleSqlFloatTypes[] = {
+        SQL_DOUBLE,
+        SQL_REAL,
+        SQL_FLOAT,
+        SQL_DECIMAL,
+        SQL_NUMERIC
+    };

 
 

-    // Set Connection Options
-    if (!setConnectionOptions())
-        return false;
+    // These are the possible SQL types we check for use agains the datasource we are connected
+    // to for the purpose of determining which data type to use for the date/time column types
+    //
+    // NOTE: The first type in this enumeration that is determined to be supported by the
+    //       datasource/driver is the one that will be used.
+    SWORD PossibleSqlDateTypes[] = {
+        SQL_TIMESTAMP,
+        SQL_DATE,
+#ifdef SQL_DATETIME
+        SQL_DATETIME
+#endif
+    };
+
+    // These are the possible SQL types we check for use agains the datasource we are connected
+    // to for the purpose of determining which data type to use for the BLOB column types.
+    //
+    // NOTE: The first type in this enumeration that is determined to be supported by the
+    //       datasource/driver is the one that will be used.
+    SWORD PossibleSqlBlobTypes[] = {
+        SQL_LONGVARBINARY,
+        SQL_VARBINARY
+    };

 
 

-    // Query the data source for inf. about itself
-    if (!getDbInfo(failOnDataTypeUnsupported))
-        return false;

 
     // Query the data source regarding data type information
 
 
     // Query the data source regarding data type information
 


@@ -605,7 +662,7 @@ bool wxDb::open(bool failOnDataTypeUnsupported)
     // for all of the possible SQL data types to see which ones were supported.  If
     // a type is not supported, the SQLFetch() that's called from getDataTypeInfo()
     // fails with SQL_NO_DATA_FOUND.  This is ugly because I'm sure the three SQL data
     // for all of the possible SQL data types to see which ones were supported.  If
     // a type is not supported, the SQLFetch() that's called from getDataTypeInfo()
     // fails with SQL_NO_DATA_FOUND.  This is ugly because I'm sure the three SQL data

-    // types I've selected below will not alway's be what we want.  These are just
+    // types I've selected below will not always be what we want.  These are just

     // what happened to work against an Oracle 7/Intersolv combination.  The following is
     // a complete list of the results I got back against the Oracle 7 database:
     //
     // what happened to work against an Oracle 7/Intersolv combination.  The following is
     // a complete list of the results I got back against the Oracle 7 database:
     //


@@ -639,41 +696,41 @@ bool wxDb::open(bool failOnDataTypeUnsupported)
     // SQL_DOUBLE             type name = 'DOUBLE', Precision = 15
     // SQL_INTEGER            type name = 'LONG', Precision = 10
 
     // SQL_DOUBLE             type name = 'DOUBLE', Precision = 15
     // SQL_INTEGER            type name = 'LONG', Precision = 10
 

-    // VARCHAR = Variable length character string
-    if (!getDataTypeInfo(SQL_VARCHAR, typeInfVarchar))
-        if (!getDataTypeInfo(SQL_CHAR, typeInfVarchar))
-            return false;
-        else
-            typeInfVarchar.FsqlType = SQL_CHAR;
-    else
-        typeInfVarchar.FsqlType = SQL_VARCHAR;
+    // Query the data source for info about itself
+    if (!getDbInfo(failOnDataTypeUnsupported))
+        return false;

 
 

-    // Float
-    if (!getDataTypeInfo(SQL_DOUBLE,typeInfFloat))
-        if (!getDataTypeInfo(SQL_REAL,typeInfFloat))
-            if (!getDataTypeInfo(SQL_FLOAT,typeInfFloat))
-                if (!getDataTypeInfo(SQL_DECIMAL,typeInfFloat))
-                    if (!getDataTypeInfo(SQL_NUMERIC,typeInfFloat))
-                    {
-                        if (failOnDataTypeUnsupported)
-                            return false;
-                    }
-                    else
-                        typeInfFloat.FsqlType = SQL_NUMERIC;
-                else
-                    typeInfFloat.FsqlType = SQL_DECIMAL;
-            else
-                typeInfFloat.FsqlType = SQL_FLOAT;
-        else
-            typeInfFloat.FsqlType = SQL_REAL;
-    else
-        typeInfFloat.FsqlType = SQL_DOUBLE;
+    // --------------- Varchar - (Variable length character string) ---------------
+    for (iIndex = 0; iIndex < WXSIZEOF(PossibleSqlCharTypes) &&
+                     !getDataTypeInfo(PossibleSqlCharTypes[iIndex], typeInfVarchar); ++iIndex)
+    {}

 
 

-    // Integer
-    if (!getDataTypeInfo(SQL_INTEGER, typeInfInteger))
+    if (iIndex < WXSIZEOF(PossibleSqlCharTypes))
+        typeInfVarchar.FsqlType = PossibleSqlCharTypes[iIndex];
+    else if (failOnDataTypeUnsupported)
+        return false;
+
+    // --------------- Float ---------------
+    for (iIndex = 0; iIndex < WXSIZEOF(PossibleSqlFloatTypes) &&
+                     !getDataTypeInfo(PossibleSqlFloatTypes[iIndex], typeInfFloat); ++iIndex)
+    {}
+
+    if (iIndex < WXSIZEOF(PossibleSqlFloatTypes))
+        typeInfFloat.FsqlType = PossibleSqlFloatTypes[iIndex];
+    else if (failOnDataTypeUnsupported)
+        return false;
+
+    // --------------- Integer -------------
+    for (iIndex = 0; iIndex < WXSIZEOF(PossibleSqlIntegerTypes) &&
+                     !getDataTypeInfo(PossibleSqlIntegerTypes[iIndex], typeInfInteger); ++iIndex)
+    {}
+
+    if (iIndex < WXSIZEOF(PossibleSqlIntegerTypes))
+        typeInfInteger.FsqlType = PossibleSqlIntegerTypes[iIndex];
+    else if (failOnDataTypeUnsupported)

     {
     {

-        // If SQL_INTEGER is not supported, use the floating point
-        // data type to store integers as well as floats
+        // If no non-floating point data types are supported, we'll
+        // use the type assigned for floats to store integers as well

         if (!getDataTypeInfo(typeInfFloat.FsqlType, typeInfInteger))
         {
             if (failOnDataTypeUnsupported)
         if (!getDataTypeInfo(typeInfFloat.FsqlType, typeInfInteger))
         {
             if (failOnDataTypeUnsupported)


@@ -682,46 +739,54 @@ bool wxDb::open(bool failOnDataTypeUnsupported)
         else
             typeInfInteger.FsqlType = typeInfFloat.FsqlType;
     }
         else
             typeInfInteger.FsqlType = typeInfFloat.FsqlType;
     }

-    else
-        typeInfInteger.FsqlType = SQL_INTEGER;

 
 

-    // Date/Time
-    if (!getDataTypeInfo(SQL_TIMESTAMP,typeInfDate))
-    {
-        if (!getDataTypeInfo(SQL_DATE,typeInfDate))
-        {
-#ifdef SQL_DATETIME
-            if (getDataTypeInfo(SQL_DATETIME,typeInfDate))
-            {
-                typeInfDate.FsqlType = SQL_TIME;
-            }
-            else
-#endif // SQL_DATETIME defined
-            {
-                if (failOnDataTypeUnsupported)
-                    return false;
-            }
-        }
-        else
-            typeInfDate.FsqlType = SQL_DATE;
-    }
-    else
-        typeInfDate.FsqlType = SQL_TIMESTAMP;
+    // --------------- Date/Time ---------------
+    for (iIndex = 0; iIndex < WXSIZEOF(PossibleSqlDateTypes) &&
+                     !getDataTypeInfo(PossibleSqlDateTypes[iIndex], typeInfDate); ++iIndex)
+    {}
+
+    if (iIndex < WXSIZEOF(PossibleSqlDateTypes))
+        typeInfDate.FsqlType = PossibleSqlDateTypes[iIndex];
+    else if (failOnDataTypeUnsupported)
+        return false;

 
 

+    // --------------- BLOB ---------------
+    for (iIndex = 0; iIndex < WXSIZEOF(PossibleSqlBlobTypes) &&
+                     !getDataTypeInfo(PossibleSqlBlobTypes[iIndex], typeInfBlob); ++iIndex)
+    {}

 
 

-    if (!getDataTypeInfo(SQL_LONGVARBINARY, typeInfBlob))
-    {
-        if (!getDataTypeInfo(SQL_VARBINARY,typeInfBlob))
-        {
-            if (failOnDataTypeUnsupported)
-                return false;
-        }
-        else
-            typeInfBlob.FsqlType = SQL_VARBINARY;
-    }
-    else
-        typeInfBlob.FsqlType = SQL_LONGVARBINARY;
+    if (iIndex < WXSIZEOF(PossibleSqlBlobTypes))
+        typeInfBlob.FsqlType = PossibleSqlBlobTypes[iIndex];
+    else if (failOnDataTypeUnsupported)
+        return false;
+
+    return true;
+}  // wxDb::determineDataTypes
+
+
+bool wxDb::open(bool failOnDataTypeUnsupported)
+{
+/*
+    If using Intersolv branded ODBC drivers, this is the place where you would substitute
+    your branded driver license information
+
+    SQLSetConnectOption(hdbc, 1041, (UDWORD) wxEmptyString);
+    SQLSetConnectOption(hdbc, 1042, (UDWORD) wxEmptyString);
+*/

 
 

+    // Mark database as open
+    dbIsOpen = true;
+
+    // Allocate a statement handle for the database connection
+    if (SQLAllocStmt(hdbc, &hstmt) != SQL_SUCCESS)
+        return(DispAllErrors(henv, hdbc));
+
+    // Set Connection Options
+    if (!setConnectionOptions())
+        return false;
+
+    if (!determineDataTypes(failOnDataTypeUnsupported))
+        return false;

 
 #ifdef DBDEBUG_CONSOLE
     cout << wxT("VARCHAR DATA TYPE: ") << typeInfVarchar.TypeName << endl;
 
 #ifdef DBDEBUG_CONSOLE
     cout << wxT("VARCHAR DATA TYPE: ") << typeInfVarchar.TypeName << endl;


@@ -739,6 +804,11 @@ bool wxDb::open(bool failOnDataTypeUnsupported)
 bool wxDb::Open(const wxString& inConnectStr, bool failOnDataTypeUnsupported)
 {
     wxASSERT(inConnectStr.Length());
 bool wxDb::Open(const wxString& inConnectStr, bool failOnDataTypeUnsupported)
 {
     wxASSERT(inConnectStr.Length());

+    return Open(inConnectStr, NULL, failOnDataTypeUnsupported);
+}
+
+bool wxDb::Open(const wxString& inConnectStr, SQLHWND parentWnd, bool failOnDataTypeUnsupported)
+{

     dsn        = wxT("");
     uid        = wxT("");
     authStr    = wxT("");
     dsn        = wxT("");
     uid        = wxT("");
     authStr    = wxT("");


@@ -767,7 +837,7 @@ bool wxDb::Open(const wxString& inConnectStr, bool failOnDataTypeUnsupported)
 
     inConnectionStr = inConnectStr;
 
 
     inConnectionStr = inConnectStr;
 

-    retcode = SQLDriverConnect(hdbc, NULL, (SQLTCHAR FAR *)inConnectionStr.c_str(),
+    retcode = SQLDriverConnect(hdbc, parentWnd, (SQLTCHAR FAR *)inConnectionStr.c_str(),

                         (SWORD)inConnectionStr.Length(), (SQLTCHAR FAR *)outConnectBuffer,
                         sizeof(outConnectBuffer), &outConnectBufferLen, SQL_DRIVER_COMPLETE );
 
                         (SWORD)inConnectionStr.Length(), (SQLTCHAR FAR *)outConnectBuffer,
                         sizeof(outConnectBuffer), &outConnectBufferLen, SQL_DRIVER_COMPLETE );
 


@@ -1008,11 +1078,14 @@ 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.
 
     // 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));
 
         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
 //  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


@@ -1024,7 +1097,7 @@ bool wxDb::setConnectionOptions(void)
     {
         const long SQL_PRESERVE_CURSORS = 1204L;
         const long SQL_PC_ON = 1L;
     {
         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
     }
 
     // Display the connection options to verify them


@@ -1032,15 +1105,17 @@ bool wxDb::setConnectionOptions(void)
     long l;
     cout << wxT("****** CONNECTION OPTIONS ******") << endl;
 
     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;
 
         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)
         return(DispAllErrors(henv, hdbc));
     cout << wxT("ODBC CURSORS: ");
     switch(l)

-        {
+    {

         case(SQL_CUR_USE_IF_NEEDED):
             cout << wxT("SQL_CUR_USE_IF_NEEDED");
             break;
         case(SQL_CUR_USE_IF_NEEDED):
             cout << wxT("SQL_CUR_USE_IF_NEEDED");
             break;


@@ -1050,10 +1125,11 @@ bool wxDb::setConnectionOptions(void)
         case(SQL_CUR_USE_DRIVER):
             cout << wxT("SQL_CUR_USE_DRIVER");
             break;
         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;
 
         return(DispAllErrors(henv, hdbc));
     cout << wxT("TRACING: ") << (l == SQL_OPT_TRACE_OFF ? wxT("OFF") : wxT("ON")) << endl;
 


@@ -1072,7 +1148,7 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
     SWORD cb;
     RETCODE retcode;
 
     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 (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
     {
         DispAllErrors(henv, hdbc);


@@ -1080,7 +1156,7 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
             return false;
     }
 
             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 (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
     {
         DispAllErrors(henv, hdbc);


@@ -1088,7 +1164,7 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
             return false;
     }
 
             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 (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
     {
         DispAllErrors(henv, hdbc);


@@ -1099,7 +1175,7 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
     // 16-Mar-1999
     // After upgrading to MSVC6, the original 20 char buffer below was insufficient,
     // causing database connectivity to fail in some cases.
     // 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 (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
     {
         DispAllErrors(henv, hdbc);


@@ -1123,7 +1199,7 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
             return false;
     }
 
             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 (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
     {
         DispAllErrors(henv, hdbc);


@@ -1131,7 +1207,7 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
             return false;
     }
 
             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 (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
     {
         DispAllErrors(henv, hdbc);


@@ -1139,7 +1215,7 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
             return false;
     }
 
             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 (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
     {
         DispAllErrors(henv, hdbc);


@@ -1147,7 +1223,7 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
             return false;
     }
 
             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 (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
     {
         DispAllErrors(henv, hdbc);


@@ -1181,7 +1257,7 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
             return false;
     }
 
             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 (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
     {
         DispAllErrors(henv, hdbc);


@@ -1189,7 +1265,7 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
             return false;
     }
 
             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 (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
     {
         DispAllErrors(henv, hdbc);


@@ -1197,7 +1273,7 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
             return false;
     }
 
             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 (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
     {
         DispAllErrors(henv, hdbc);


@@ -1229,7 +1305,7 @@ bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
             return false;
     }
 
             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 (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
     {
         DispAllErrors(henv, hdbc);


@@ -1548,7 +1624,7 @@ bool wxDb::getDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo)
     {
 #ifdef DBDEBUG_CONSOLE
         if (retcode == SQL_NO_DATA_FOUND)
     {
 #ifdef DBDEBUG_CONSOLE
         if (retcode == SQL_NO_DATA_FOUND)

-            cout << wxT("SQL_NO_DATA_FOUND fetching inf. about data type.") << endl;
+            cout << wxT("SQL_NO_DATA_FOUND fetching information about data type.") << endl;

 #endif
         DispAllErrors(henv, hdbc, hstmt);
         SQLFreeStmt(hstmt, SQL_CLOSE);
 #endif
         DispAllErrors(henv, hdbc, hstmt);
         SQLFreeStmt(hstmt, SQL_CLOSE);


@@ -1558,7 +1634,7 @@ bool wxDb::getDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo)
     wxChar typeName[DB_TYPE_NAME_LEN+1];
 
     // Obtain columns from the record
     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;
         return(DispAllErrors(henv, hdbc, hstmt));
 
     structSQLTypeInfo.TypeName = typeName;


@@ -1705,25 +1781,21 @@ bool wxDb::DispAllErrors(HENV aHenv, HDBC aHdbc, HSTMT aHstmt)
 /*
  * This function is called internally whenever an error condition prevents the user's
  * request from being executed.  This function will query the datasource as to the
 /*
  * This function is called internally whenever an error condition prevents the user's
  * request from being executed.  This function will query the datasource as to the

- * actual error(s) that just occured on the previous request of the datasource.
+ * actual error(s) that just occurred on the previous request of the datasource.

  *
  * The function will retrieve each error condition from the datasource and
  * Printf the codes/text values into a string which it then logs via logError().
  * 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.
  *
  *
  * The function will retrieve each error condition from the datasource and
  * Printf the codes/text values into a string which it then logs via logError().
  * 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 false, so that functions which call this function

  * can have a line like "return (DispAllErrors(henv, hdbc));" to indicate the failure
  * 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
+ * of the user's request, so that the calling code can then process the error message log.

  */
 {
     wxString odbcErrMsg;
 
  */
 {
     wxString odbcErrMsg;
 

-#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
+   while (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS)

      {
         odbcErrMsg.Printf(wxT("SQL State = %s\nNative Error Code = %li\nError Message = %s\n"), sqlState, nativeError, errorMsg);
         logError(odbcErrMsg, sqlState);
      {
         odbcErrMsg.Printf(wxT("SQL State = %s\nNative Error Code = %li\nError Message = %s\n"), sqlState, nativeError, errorMsg);
         logError(odbcErrMsg, sqlState);


@@ -1750,11 +1822,7 @@ bool wxDb::DispAllErrors(HENV aHenv, HDBC aHdbc, HSTMT aHstmt)
 /********** wxDb::GetNextError() **********/
 bool wxDb::GetNextError(HENV aHenv, HDBC aHdbc, HSTMT aHstmt)
 {
 /********** wxDb::GetNextError() **********/
 bool wxDb::GetNextError(HENV aHenv, HDBC aHdbc, HSTMT aHstmt)
 {

-#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
+   if (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS)

      return true;
     else
         return false;
      return true;
     else
         return false;


@@ -1798,12 +1866,13 @@ void wxDb::logError(const wxString &errMsg, const wxString &SQLState)
     if (++pLast == DB_MAX_ERROR_HISTORY)
     {
         int i;
     if (++pLast == DB_MAX_ERROR_HISTORY)
     {
         int i;

-        for (i = 0; i < DB_MAX_ERROR_HISTORY; i++)
+        for (i = 0; i < DB_MAX_ERROR_HISTORY-1; i++)

             wxStrcpy(errorList[i], errorList[i+1]);
         pLast--;
     }
 
             wxStrcpy(errorList[i], errorList[i+1]);
         pLast--;
     }
 

-    wxStrcpy(errorList[pLast], errMsg);
+    wxStrncpy(errorList[pLast], errMsg, DB_MAX_ERROR_MSG_LEN);
+    errorList[pLast][DB_MAX_ERROR_MSG_LEN] = 0;

 
     if (SQLState.Length())
         if ((dbStatus = TranslateSqlState(SQLState)) != DB_ERR_FUNCTION_SEQUENCE_ERROR)
 
     if (SQLState.Length())
         if ((dbStatus = TranslateSqlState(SQLState)) != DB_ERR_FUNCTION_SEQUENCE_ERROR)


@@ -2158,6 +2227,102 @@ bool wxDb::ExecSql(const wxString &pSqlStmt)
 }  // wxDb::ExecSql()
 
 
 }  // 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);
+        pColInf[colNum].colName[DB_MAX_COLUMN_NAME_LEN] = 0;  // Prevent buffer overrun
+
+        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)
+        {
+#if wxUSE_UNICODE
+    #if defined(SQL_WCHAR)
+            case SQL_WCHAR:
+    #endif
+    #if defined(SQL_WVARCHAR)
+            case SQL_WVARCHAR:
+    #endif
+#endif
+            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)
 {
 /********** wxDb::GetNext()  **********/
 bool wxDb::GetNext(void)
 {


@@ -2178,7 +2343,12 @@ bool wxDb::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FA
     wxASSERT(pData);
     wxASSERT(cbReturned);
 
     wxASSERT(pData);
     wxASSERT(cbReturned);
 

-    if (SQLGetData(hstmt, colNo, cType, pData, maxLen, cbReturned) == SQL_SUCCESS)
+    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
     {
         return true;
     else
     {


@@ -2195,7 +2365,6 @@ 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 */
     SWORD        iKeySeq;
     wxChar       szPkTable[DB_MAX_TABLE_NAME_LEN+1];  /* Primary key table name */
     wxChar       szFkTable[DB_MAX_TABLE_NAME_LEN+1];  /* Foreign key table name */
     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     */
     SQLRETURN    retcode;
     wxChar       szPkCol[DB_MAX_COLUMN_NAME_LEN+1];   /* Primary key column     */
     wxChar       szFkCol[DB_MAX_COLUMN_NAME_LEN+1];   /* Foreign key column     */
     SQLRETURN    retcode;


@@ -2232,7 +2401,7 @@ int wxDb::GetKeyFields(const wxString &tableName, wxDbColInf* colInf, UWORD noCo
         retcode = SQLFetch(hstmt);
         if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
         {
         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
             GetData( 5, SQL_C_SSHORT, &iKeySeq,    0,                        &cb);
             //-------
             for (i=0;i<noCols;i++)                          // Find the Column name


@@ -2264,22 +2433,25 @@ int wxDb::GetKeyFields(const wxString &tableName, wxDbColInf* colInf, UWORD noCo
         retcode = SQLFetch(hstmt);
         if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
         {
         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
             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
             if (!wxStrcmp(colInf[i].colName, szPkCol))           // We have found the Column, store the Information
     {
         for (i=0; i<noCols; i++)
         {   // Find the Column name
             if (!wxStrcmp(colInf[i].colName, szPkCol))           // We have found the Column, store the Information

-                wxStrcpy(colInf[i].PkTableName, tempStr.c_str());  // Name of the Tables where this Primary Key is used as a Foreign Key
+            {
+                wxStrncpy(colInf[i].PkTableName, tempStr.c_str(), DB_MAX_TABLE_NAME_LEN);  // Name of the Tables where this Primary Key is used as a Foreign Key
+                colInf[i].PkTableName[DB_MAX_TABLE_NAME_LEN] = 0;  // Prevent buffer overrun
+            }

         }
     }  // if
 
         }
     }  // if
 


@@ -2306,16 +2478,17 @@ int wxDb::GetKeyFields(const wxString &tableName, wxDbColInf* colInf, UWORD noCo
         retcode = SQLFetch(hstmt);
         if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
         {
         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
             {
                 if (!wxStrcmp(colInf[i].colName,szFkCol))       // We have found the (Foreign Key) Column
                 {
                     colInf[i].FkCol = iKeySeq;                  // Which Foreign Key is this (first, second usw.) ?
             //-------
             for (i=0; i<noCols; i++)                            // Find the Column name
             {
                 if (!wxStrcmp(colInf[i].colName,szFkCol))       // We have found the (Foreign Key) Column
                 {
                     colInf[i].FkCol = iKeySeq;                  // Which Foreign Key is this (first, second usw.) ?

-                    wxStrcpy(colInf[i].FkTableName,szPkTable);  // Name of the Table where this Foriegn is the Primary Key
+                    wxStrncpy(colInf[i].FkTableName, szFkTable, DB_MAX_TABLE_NAME_LEN);  // Name of the Table where this Foriegn is the Primary Key
+                    colInf[i].FkTableName[DB_MAX_TABLE_NAME_LEN] = 0;  // Prevent buffer overrun

                 } // if
             }  // for
         }  // if
                 } // if
             }  // for
         }  // if


@@ -2334,7 +2507,7 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
  *        1) The last array element of the tableName[] argument must be zero (null).
  *            This is how the end of the array is detected.
  *        2) This function returns an array of wxDbColInf structures.  If no columns
  *        1) The last array element of the tableName[] argument must be zero (null).
  *            This is how the end of the array is detected.
  *        2) This function returns an array of wxDbColInf structures.  If no columns

- *            were found, or an error occured, this pointer will be zero (null).  THE
+ *            were found, or an error occurred, this pointer will be zero (null).  THE

  *            CALLING FUNCTION IS RESPONSIBLE FOR DELETING THE MEMORY RETURNED WHEN IT
  *            IS FINISHED WITH IT.  i.e.
  *
  *            CALLING FUNCTION IS RESPONSIBLE FOR DELETING THE MEMORY RETURNED WHEN IT
  *            IS FINISHED WITH IT.  i.e.
  *


@@ -2384,8 +2557,8 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
             if (!colInf)
                 break;
             // Mark the end of the array
             if (!colInf)
                 break;
             // Mark the end of the array

-            wxStrcpy(colInf[noCols].tableName,wxEmptyString);
-            wxStrcpy(colInf[noCols].colName,wxEmptyString);
+            wxStrcpy(colInf[noCols].tableName, wxEmptyString);
+            wxStrcpy(colInf[noCols].colName, wxEmptyString);

             colInf[noCols].sqlDataType = 0;
         }
         // Loop through each table name
             colInf[noCols].sqlDataType = 0;
         }
         // Loop through each table name


@@ -2396,6 +2569,7 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
             // Oracle and Interbase table names are uppercase only, so force
             // the name to uppercase just in case programmer forgot to do this
             if ((Dbms() == dbmsORACLE) ||
             // Oracle and Interbase table names are uppercase only, so force
             // the name to uppercase just in case programmer forgot to do this
             if ((Dbms() == dbmsORACLE) ||

+                (Dbms() == dbmsFIREBIRD) ||

                 (Dbms() == dbmsINTERBASE))
                 TableName = TableName.Upper();
 
                 (Dbms() == dbmsINTERBASE))
                 TableName = TableName.Upper();
 


@@ -2403,7 +2577,7 @@ 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
 
             // 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)
                 Dbms() != dbmsMY_SQL &&
                 Dbms() != dbmsACCESS &&
                 Dbms() != dbmsMS_SQL_SERVER)


@@ -2423,7 +2597,7 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
                                      NULL, 0);                               // All columns
             }
             if (retcode != SQL_SUCCESS)
                                      NULL, 0);                               // All columns
             }
             if (retcode != SQL_SUCCESS)

-            {  // Error occured, abort
+            {  // Error occurred, abort

                 DispAllErrors(henv, hdbc, hstmt);
                 if (colInf)
                     delete [] colInf;
                 DispAllErrors(henv, hdbc, hstmt);
                 if (colInf)
                     delete [] colInf;


@@ -2440,30 +2614,30 @@ 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
                     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( 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( 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_
 
                         // 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;
                             }
 #endif
                             colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;


@@ -2481,7 +2655,7 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
                 }
             }
             if (retcode != SQL_NO_DATA_FOUND)
                 }
             }
             if (retcode != SQL_NO_DATA_FOUND)

-            {  // Error occured, abort
+            {  // Error occurred, abort

                 DispAllErrors(henv, hdbc, hstmt);
                 if (colInf)
                     delete [] colInf;
                 DispAllErrors(henv, hdbc, hstmt);
                 if (colInf)
                     delete [] colInf;


@@ -2544,13 +2718,14 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, UWORD *numCols, const wx
             // Mark the end of the array
             wxStrcpy(colInf[noCols].tableName, wxEmptyString);
             wxStrcpy(colInf[noCols].colName, wxEmptyString);
             // Mark the end of the array
             wxStrcpy(colInf[noCols].tableName, wxEmptyString);
             wxStrcpy(colInf[noCols].colName, wxEmptyString);

-            colInf[noCols].sqlDataType  = 0;
+            colInf[noCols].sqlDataType = 0;

         }
 
         TableName = tableName;
         // Oracle and Interbase table names are uppercase only, so force
         // the name to uppercase just in case programmer forgot to do this
         if ((Dbms() == dbmsORACLE) ||
         }
 
         TableName = tableName;
         // Oracle and Interbase table names are uppercase only, so force
         // the name to uppercase just in case programmer forgot to do this
         if ((Dbms() == dbmsORACLE) ||

+            (Dbms() == dbmsFIREBIRD) ||

             (Dbms() == dbmsINTERBASE))
             TableName = TableName.Upper();
 
             (Dbms() == dbmsINTERBASE))
             TableName = TableName.Upper();
 


@@ -2558,7 +2733,7 @@ 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
 
         // 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)
             Dbms() != dbmsMY_SQL &&
             Dbms() != dbmsACCESS &&
             Dbms() != dbmsMS_SQL_SERVER)


@@ -2578,7 +2753,7 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, UWORD *numCols, const wx
                                  NULL, 0);                                // All columns
         }
         if (retcode != SQL_SUCCESS)
                                  NULL, 0);                                // All columns
         }
         if (retcode != SQL_SUCCESS)

-        {  // Error occured, abort
+        {  // Error occurred, abort

             DispAllErrors(henv, hdbc, hstmt);
             if (colInf)
                 delete [] colInf;
             DispAllErrors(henv, hdbc, hstmt);
             if (colInf)
                 delete [] colInf;


@@ -2597,19 +2772,19 @@ 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
                 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)
                     // 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
                     // 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


@@ -2629,12 +2804,12 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, UWORD *numCols, const wx
                     if (!wxStricmp(typeInfVarchar.TypeName, colInf[colNo].typeName))
                     {
 #ifdef _IODBC_
                     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
 
                         }
 #endif
 


@@ -2654,7 +2829,7 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, UWORD *numCols, const wx
             }
         }
         if (retcode != SQL_NO_DATA_FOUND)
             }
         }
         if (retcode != SQL_NO_DATA_FOUND)

-        {  // Error occured, abort
+        {  // Error occurred, abort

             DispAllErrors(henv, hdbc, hstmt);
             if (colInf)
                 delete [] colInf;
             DispAllErrors(henv, hdbc, hstmt);
             if (colInf)
                 delete [] colInf;


@@ -2683,7 +2858,7 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, UWORD *numCols, const wx
 /*
     BJO 20000503
     These are tentative new GetColumns members which should be more database
 /*
     BJO 20000503
     These are tentative new GetColumns members which should be more database

-    independant and which always returns the columns in the order they were
+    independent and which always returns the columns in the order they were

     created.
 
     - The first one (wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const
     created.
 
     - The first one (wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const


@@ -2736,7 +2911,7 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
     // Mark the end of the array
     wxStrcpy(colInf[noCols].tableName, wxEmptyString);
     wxStrcpy(colInf[noCols].colName, wxEmptyString);
     // Mark the end of the array
     wxStrcpy(colInf[noCols].tableName, wxEmptyString);
     wxStrcpy(colInf[noCols].colName, wxEmptyString);

-    colInf[noCols].sqlDataType  = 0;
+    colInf[noCols].sqlDataType = 0;

 
     // Merge ...
     int offset = 0;
 
     // Merge ...
     int offset = 0;


@@ -2806,6 +2981,7 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
         // Oracle and Interbase table names are uppercase only, so force
         // the name to uppercase just in case programmer forgot to do this
         if ((Dbms() == dbmsORACLE) ||
         // Oracle and Interbase table names are uppercase only, so force
         // the name to uppercase just in case programmer forgot to do this
         if ((Dbms() == dbmsORACLE) ||

+            (Dbms() == dbmsFIREBIRD) ||

             (Dbms() == dbmsINTERBASE))
             TableName = TableName.Upper();
 
             (Dbms() == dbmsINTERBASE))
             TableName = TableName.Upper();
 


@@ -2813,7 +2989,7 @@ 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
 
         // 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)
             Dbms() != dbmsMY_SQL &&
             Dbms() != dbmsACCESS &&
             Dbms() != dbmsMS_SQL_SERVER)


@@ -2833,7 +3009,7 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
                                  NULL, 0);                             // All columns
         }
         if (retcode != SQL_SUCCESS)
                                  NULL, 0);                             // All columns
         }
         if (retcode != SQL_SUCCESS)

-        {  // Error occured, abort
+        {  // Error occurred, abort

             DispAllErrors(henv, hdbc, hstmt);
             if (colInf)
                 delete [] colInf;
             DispAllErrors(henv, hdbc, hstmt);
             if (colInf)
                 delete [] colInf;


@@ -2852,18 +3028,18 @@ 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
                 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
                     // 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


@@ -2871,12 +3047,12 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
                     colInf[colNo].FkTableName[0] = 0;  // Foreign key table name
 
 #ifdef _IODBC_
                     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
 
                     }
 #endif
 


@@ -2885,14 +3061,22 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
                     // Get the intern datatype
                     switch (colInf[colNo].sqlDataType)
                     {
                     // Get the intern datatype
                     switch (colInf[colNo].sqlDataType)
                     {

+#if wxUSE_UNICODE
+    #if defined(SQL_WCHAR)
+                        case SQL_WCHAR:
+    #endif
+    #if defined(SQL_WVARCHAR)
+                        case SQL_WVARCHAR:
+    #endif
+#endif

                         case SQL_VARCHAR:
                         case SQL_CHAR:
                             colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
                         break;
                         case SQL_VARCHAR:
                         case SQL_CHAR:
                             colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
                         break;

-

                         case SQL_TINYINT:
                         case SQL_SMALLINT:
                         case SQL_INTEGER:
                         case SQL_TINYINT:
                         case SQL_SMALLINT:
                         case SQL_INTEGER:

+                        case SQL_BIT:

                             colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
                             break;
                         case SQL_DOUBLE:
                             colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
                             break;
                         case SQL_DOUBLE:


@@ -2903,6 +3087,7 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
                             colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
                             break;
                         case SQL_DATE:
                             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:
                             colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
                             break;
                         case SQL_BINARY:


@@ -2920,7 +3105,7 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
             }
         }
         if (retcode != SQL_NO_DATA_FOUND)
             }
         }
         if (retcode != SQL_NO_DATA_FOUND)

-        {  // Error occured, abort
+        {  // Error occurred, abort

             DispAllErrors(henv, hdbc, hstmt);
             if (colInf)
                 delete [] colInf;
             DispAllErrors(henv, hdbc, hstmt);
             if (colInf)
                 delete [] colInf;


@@ -3044,6 +3229,7 @@ int wxDb::GetColumnCount(const wxString &tableName, const wxChar *userID)
     // Oracle and Interbase table names are uppercase only, so force
     // the name to uppercase just in case programmer forgot to do this
     if ((Dbms() == dbmsORACLE) ||
     // Oracle and Interbase table names are uppercase only, so force
     // the name to uppercase just in case programmer forgot to do this
     if ((Dbms() == dbmsORACLE) ||

+        (Dbms() == dbmsFIREBIRD) ||

         (Dbms() == dbmsINTERBASE))
         TableName = TableName.Upper();
 
         (Dbms() == dbmsINTERBASE))
         TableName = TableName.Upper();
 


@@ -3051,7 +3237,7 @@ 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
 
     // 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)
         Dbms() != dbmsMY_SQL &&
         Dbms() != dbmsACCESS &&
         Dbms() != dbmsMS_SQL_SERVER)


@@ -3071,7 +3257,7 @@ int wxDb::GetColumnCount(const wxString &tableName, const wxChar *userID)
                              NULL, 0);                               // All columns
     }
     if (retcode != SQL_SUCCESS)
                              NULL, 0);                               // All columns
     }
     if (retcode != SQL_SUCCESS)

-    {  // Error occured, abort
+    {  // Error occurred, abort

         DispAllErrors(henv, hdbc, hstmt);
         SQLFreeStmt(hstmt, SQL_CLOSE);
         return(-1);
         DispAllErrors(henv, hdbc, hstmt);
         SQLFreeStmt(hstmt, SQL_CLOSE);
         return(-1);


@@ -3082,7 +3268,7 @@ int wxDb::GetColumnCount(const wxString &tableName, const wxChar *userID)
         noCols++;
 
     if (retcode != SQL_NO_DATA_FOUND)
         noCols++;
 
     if (retcode != SQL_NO_DATA_FOUND)

-    {  // Error occured, abort
+    {  // Error occurred, abort

         DispAllErrors(henv, hdbc, hstmt);
         SQLFreeStmt(hstmt, SQL_CLOSE);
         return(-1);
         DispAllErrors(henv, hdbc, hstmt);
         SQLFreeStmt(hstmt, SQL_CLOSE);
         return(-1);


@@ -3103,7 +3289,7 @@ wxDbInf *wxDb::GetCatalog(const wxChar *userID)
  * --          : uses SQLTables and fills pTableInf;              ------
  * --          : pColInf is set to NULL and numCols to 0;         ------
  * --          : returns pDbInf (wxDbInf)                         ------
  * --          : uses SQLTables and fills pTableInf;              ------
  * --          : pColInf is set to NULL and numCols to 0;         ------
  * --          : returns pDbInf (wxDbInf)                         ------

- * --            - if unsuccesfull (pDbInf == NULL)               ------
+ * --            - if unsuccessful (pDbInf == NULL)               ------

  * --          : pColInf can be filled with GetColumns(..);       ------
  * --          : numCols   can be filled with GetColumnCount(..); ------
  * ---------------------------------------------------------------------
  * --          : pColInf can be filled with GetColumns(..);       ------
  * --          : numCols   can be filled with GetColumnCount(..); ------
  * ---------------------------------------------------------------------


@@ -3144,7 +3330,7 @@ wxDbInf *wxDb::GetCatalog(const wxChar *userID)
         SQLFreeStmt(hstmt, SQL_CLOSE);   // Close if Open
         tblNameSave.Empty();
 
         SQLFreeStmt(hstmt, SQL_CLOSE);   // Close if Open
         tblNameSave.Empty();
 

-        if (!UserID.IsEmpty() &&
+        if (!UserID.empty() &&

             Dbms() != dbmsMY_SQL &&
             Dbms() != dbmsACCESS &&
             Dbms() != dbmsMS_SQL_SERVER)
             Dbms() != dbmsMY_SQL &&
             Dbms() != dbmsACCESS &&
             Dbms() != dbmsMS_SQL_SERVER)


@@ -3178,8 +3364,8 @@ wxDbInf *wxDb::GetCatalog(const wxChar *userID)
             {
                 if (pDbInf->numTables == 0)
                 {
             {
                 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)
                  }
                  pDbInf->numTables++;      // Counter for Tables
             }  // if (pass == 1)


@@ -3191,9 +3377,9 @@ wxDbInf *wxDb::GetCatalog(const wxChar *userID)
                     noTab = 0;
                 } // if (pDbInf->pTableInf == NULL)   // Has the Table Array been created
 
                     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
 
                 noTab++;
             }  // if


@@ -3249,9 +3435,10 @@ bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
     wxString UserID;
     convertUserID(userID,UserID);
 
     wxString UserID;
     convertUserID(userID,UserID);
 

-    if (!UserID.IsEmpty() &&
+    if (!UserID.empty() &&

         Dbms() != dbmsMY_SQL &&
         Dbms() != dbmsACCESS &&
         Dbms() != dbmsMY_SQL &&
         Dbms() != dbmsACCESS &&

+        Dbms() != dbmsFIREBIRD &&

         Dbms() != dbmsINTERBASE &&
         Dbms() != dbmsMS_SQL_SERVER)
     {
         Dbms() != dbmsINTERBASE &&
         Dbms() != dbmsMS_SQL_SERVER)
     {


@@ -3286,12 +3473,12 @@ bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
         if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
             break;
 
         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()))
         {
 
         if (wxStrcmp(tblName, tblNameSave.c_str()))
         {


@@ -3372,6 +3559,7 @@ bool wxDb::TableExists(const wxString &tableName, const wxChar *userID, const wx
     // Oracle and Interbase table names are uppercase only, so force
     // the name to uppercase just in case programmer forgot to do this
     if ((Dbms() == dbmsORACLE) ||
     // Oracle and Interbase table names are uppercase only, so force
     // the name to uppercase just in case programmer forgot to do this
     if ((Dbms() == dbmsORACLE) ||

+        (Dbms() == dbmsFIREBIRD) ||

         (Dbms() == dbmsINTERBASE))
         TableName = TableName.Upper();
 
         (Dbms() == dbmsINTERBASE))
         TableName = TableName.Upper();
 


@@ -3380,11 +3568,12 @@ 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
 
     // 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 &&
         Dbms() != dbmsDB2 &&
         Dbms() != dbmsMY_SQL &&
         Dbms() != dbmsACCESS &&
         Dbms() != dbmsMS_SQL_SERVER &&
         Dbms() != dbmsDB2 &&

+        Dbms() != dbmsFIREBIRD &&

         Dbms() != dbmsINTERBASE &&
         Dbms() != dbmsPERVASIVE_SQL)
     {
         Dbms() != dbmsINTERBASE &&
         Dbms() != dbmsPERVASIVE_SQL)
     {


@@ -3443,6 +3632,7 @@ bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, cons
     // Oracle and Interbase table names are uppercase only, so force
     // the name to uppercase just in case programmer forgot to do this
     if ((Dbms() == dbmsORACLE) ||
     // Oracle and Interbase table names are uppercase only, so force
     // the name to uppercase just in case programmer forgot to do this
     if ((Dbms() == dbmsORACLE) ||

+        (Dbms() == dbmsFIREBIRD) ||

         (Dbms() == dbmsINTERBASE))
         TableName = TableName.Upper();
 
         (Dbms() == dbmsINTERBASE))
         TableName = TableName.Upper();
 


@@ -3450,7 +3640,7 @@ 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
 
     // 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)
         Dbms() != dbmsMY_SQL &&
         Dbms() != dbmsACCESS &&
         Dbms() != dbmsMS_SQL_SERVER)


@@ -3473,31 +3663,31 @@ bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, cons
 #endif
 
     if ((retcode != SQL_SUCCESS) && (retcode != SQL_SUCCESS_WITH_INFO))
 #endif
 
     if ((retcode != SQL_SUCCESS) && (retcode != SQL_SUCCESS_WITH_INFO))

-        return(DispAllErrors(henv, hdbc, hstmt));
+        return (DispAllErrors(henv, hdbc, hstmt));

 
     bool failed = false;
     retcode = SQLFetch(hstmt);
     while (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
     {
 
     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)
+        if (SQLGetData(hstmt, 1, SQL_C_WXCHAR, (UCHAR*) result.tableQual, sizeof(result.tableQual), &cbRetVal) != SQL_SUCCESS)

             failed = true;
 
             failed = true;
 

-        if (!failed && SQLGetData(hstmt, 2, SQL_C_CHAR, (UCHAR*) result.tableOwner, sizeof(result.tableOwner), &cbRetVal) != SQL_SUCCESS)
+        if (!failed && SQLGetData(hstmt, 2, SQL_C_WXCHAR, (UCHAR*) result.tableOwner, sizeof(result.tableOwner), &cbRetVal) != SQL_SUCCESS)

             failed = true;
 
             failed = true;
 

-        if (!failed && SQLGetData(hstmt, 3, SQL_C_CHAR, (UCHAR*) result.tableName, sizeof(result.tableName), &cbRetVal) != SQL_SUCCESS)
+        if (!failed && SQLGetData(hstmt, 3, SQL_C_WXCHAR, (UCHAR*) result.tableName, sizeof(result.tableName), &cbRetVal) != SQL_SUCCESS)

             failed = true;
 
             failed = true;
 

-        if (!failed && SQLGetData(hstmt, 4, SQL_C_CHAR, (UCHAR*) result.grantor, sizeof(result.grantor), &cbRetVal) != SQL_SUCCESS)
+        if (!failed && SQLGetData(hstmt, 4, SQL_C_WXCHAR, (UCHAR*) result.grantor, sizeof(result.grantor), &cbRetVal) != SQL_SUCCESS)

             failed = true;
 
             failed = true;
 

-        if (!failed && SQLGetData(hstmt, 5, SQL_C_CHAR, (UCHAR*) result.grantee, sizeof(result.grantee), &cbRetVal) != SQL_SUCCESS)
+        if (!failed && SQLGetData(hstmt, 5, SQL_C_WXCHAR, (UCHAR*) result.grantee, sizeof(result.grantee), &cbRetVal) != SQL_SUCCESS)

             failed = true;
 
             failed = true;
 

-        if (!failed && SQLGetData(hstmt, 6, SQL_C_CHAR, (UCHAR*) result.privilege, sizeof(result.privilege), &cbRetVal) != SQL_SUCCESS)
+        if (!failed && SQLGetData(hstmt, 6, SQL_C_WXCHAR, (UCHAR*) result.privilege, sizeof(result.privilege), &cbRetVal) != SQL_SUCCESS)

             failed = true;
 
             failed = true;
 

-        if (!failed && SQLGetData(hstmt, 7, SQL_C_CHAR, (UCHAR*) result.grantable, sizeof(result.grantable), &cbRetVal) != SQL_SUCCESS)
+        if (!failed && SQLGetData(hstmt, 7, SQL_C_WXCHAR, (UCHAR*) result.grantable, sizeof(result.grantable), &cbRetVal) != SQL_SUCCESS)

             failed = true;
 
         if (failed)
             failed = true;
 
         if (failed)


@@ -3577,7 +3767,7 @@ bool wxDb::SetSqlLogging(wxDbSqlLogState state, const wxString &filename, bool a
     {
         if (fpSqlLog == 0)
         {
     {
         if (fpSqlLog == 0)
         {

-            fpSqlLog = wxFopen(filename, (append ? wxT("at") : wxT("wt")));
+            fpSqlLog = wxFopen(filename.c_str(), (append ? wxT("at") : wxT("wt")));

             if (fpSqlLog == NULL)
                 return false;
         }
             if (fpSqlLog == NULL)
                 return false;
         }


@@ -3687,8 +3877,16 @@ wxDBMS wxDb::Dbms(void)
     if (dbmsType != dbmsUNIDENTIFIED)
         return(dbmsType);
 
     if (dbmsType != dbmsUNIDENTIFIED)
         return(dbmsType);
 

+#ifdef DBDEBUG_CONSOLE
+               // When run in console mode, use standard out to display errors.
+               cout << "Database connecting to: " << dbInf.dbmsName << endl;
+#endif  // DBDEBUG_CONSOLE
+
+    wxLogDebug(wxT("Database connecting to: "));
+    wxLogDebug(dbInf.dbmsName);
+

     wxChar baseName[25+1];
     wxChar baseName[25+1];

-    wxStrncpy(baseName,dbInf.dbmsName,25);
+    wxStrncpy(baseName, dbInf.dbmsName, 25);

     baseName[25] = 0;
 
     // RGG 20001025 : add support for Interbase
     baseName[25] = 0;
 
     // RGG 20001025 : add support for Interbase


@@ -3731,6 +3929,9 @@ wxDBMS wxDb::Dbms(void)
     if (!wxStricmp(baseName,wxT("Informix")))
         return((wxDBMS)(dbmsType = dbmsINFORMIX));
 
     if (!wxStricmp(baseName,wxT("Informix")))
         return((wxDBMS)(dbmsType = dbmsINFORMIX));
 

+    if (!wxStricmp(baseName,wxT("Firebird")))
+        return((wxDBMS)(dbmsType = dbmsFIREBIRD));
+

     baseName[6] = 0;
     if (!wxStricmp(baseName,wxT("Oracle")))
         return((wxDBMS)(dbmsType = dbmsORACLE));
     baseName[6] = 0;
     if (!wxStricmp(baseName,wxT("Oracle")))
         return((wxDBMS)(dbmsType = dbmsORACLE));


@@ -3746,6 +3947,8 @@ wxDBMS wxDb::Dbms(void)
         return((wxDBMS)(dbmsType = dbmsXBASE_SEQUITER));
     if (!wxStricmp(baseName,wxT("MySQL")))
         return((wxDBMS)(dbmsType = dbmsMY_SQL));
         return((wxDBMS)(dbmsType = dbmsXBASE_SEQUITER));
     if (!wxStricmp(baseName,wxT("MySQL")))
         return((wxDBMS)(dbmsType = dbmsMY_SQL));

+    if (!wxStricmp(baseName,wxT("MaxDB")))
+        return((wxDBMS)(dbmsType = dbmsMAXDB));

 
     baseName[3] = 0;
     if (!wxStricmp(baseName,wxT("DB2")))
 
     baseName[3] = 0;
     if (!wxStricmp(baseName,wxT("DB2")))


@@ -4066,11 +4269,11 @@ const wxChar WXDLLIMPEXP_ODBC *wxDbLogExtendedErrorMsg(const wxChar *userText,
         if (pDb->errorList[i])
         {
             msg.Append(pDb->errorList[i]);
         if (pDb->errorList[i])
         {
             msg.Append(pDb->errorList[i]);

-            if (wxStrcmp(pDb->errorList[i],wxT("")) != 0)
+            if (wxStrcmp(pDb->errorList[i], wxEmptyString) != 0)

                 msg.Append(wxT("\n"));
             // Clear the errmsg buffer so the next error will not
             // end up showing the previous error that have occurred
                 msg.Append(wxT("\n"));
             // Clear the errmsg buffer so the next error will not
             // end up showing the previous error that have occurred

-            wxStrcpy(pDb->errorList[i],wxT(""));
+            wxStrcpy(pDb->errorList[i], wxEmptyString);

         }
     }
     msg += wxT("\n");
         }
     }
     msg += wxT("\n");


@@ -4130,7 +4333,7 @@ int wxDbCreateDataSource(const wxString &driverName, const wxString &dsn, const
     // embedded nulls in strings
     setupStr.Printf(wxT("DSN=%s%cDescription=%s%cDefaultDir=%s%c"),dsn,2,description,2,defDir,2);
 
     // embedded nulls in strings
     setupStr.Printf(wxT("DSN=%s%cDescription=%s%cDefaultDir=%s%c"),dsn,2,description,2,defDir,2);
 

-    // Replace the separator from above with the '\0' seperator needed
+    // Replace the separator from above with the '\0' separator needed

     // by the SQLConfigDataSource() function
     int k;
     do
     // by the SQLConfigDataSource() function
     int k;
     do


@@ -4186,17 +4389,19 @@ int wxDbCreateDataSource(const wxString &driverName, const wxString &dsn, const
 
 
 /********** wxDbGetDataSource() **********/
 
 
 /********** 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;
 /*
  * 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)
+    if (SQLDataSources(henv, direction, (SQLTCHAR FAR *) Dsn, lengthDsn, &cb1,
+                       (SQLTCHAR FAR *) DsDesc, lengthDsDesc, &cb2) == SQL_SUCCESS)

         return true;
     else
         return false;
         return true;
     else
         return false;


@@ -4210,7 +4415,7 @@ bool wxDbGetDataSource(HENV henv, wxChar *Dsn, SWORD DsnMax, wxChar *DsDesc,
  ********************************************************************
  *
  * The following functions are all DEPRECATED and are included for
  ********************************************************************
  *
  * The following functions are all DEPRECATED and are included for

- * backward compatability reasons only
+ * backward compatibility reasons only

  *
  ********************************************************************
  ********************************************************************/
  *
  ********************************************************************
  ********************************************************************/