Properly handle MySQL reconnection option

(cherry picked from commit 9fe256ac6c)

src/sql/drivers/mysql/qsql_mysql.cpp

@@ -466,7 +466,7 @@ bool QMYSQLDriver::open( const QString& db,
     if ( isOpen() )
 	close();
  
-    unsigned int optionFlags = 0;
+    unsigned int clientOptionFlags = 0;
     
     QStringList raw = QStringList::split( ';', connOpts );
     QStringList opts;
@@ -487,38 +487,44 @@ bool QMYSQLDriver::open( const QString& db,
 	    opts << tmp;
 	}
     }
-    
+
+    if (!(d->mysql = mysql_init((MYSQL*) 0))) {
+	    setLastError( qMakeError( "Unable to connect", QSqlError::Connection, d ) );
+	    mysql_close( d->mysql );
+	    setOpenError( TRUE );
+	    return FALSE;
+    }
+
     for ( it = opts.begin(); it != opts.end(); ++it ) {
 	QString opt( (*it).upper() );
 	if ( opt == "CLIENT_COMPRESS" )
-	    optionFlags |= CLIENT_COMPRESS;
+	    clientOptionFlags |= CLIENT_COMPRESS;
 	else if ( opt == "CLIENT_FOUND_ROWS" )
-	    optionFlags |= CLIENT_FOUND_ROWS;
+	    clientOptionFlags |= CLIENT_FOUND_ROWS;
 	else if ( opt == "CLIENT_IGNORE_SPACE" )
-	    optionFlags |= CLIENT_IGNORE_SPACE;
+	    clientOptionFlags |= CLIENT_IGNORE_SPACE;
 	else if ( opt == "CLIENT_INTERACTIVE" )
-	    optionFlags |= CLIENT_INTERACTIVE;
+	    clientOptionFlags |= CLIENT_INTERACTIVE;
 	else if ( opt == "CLIENT_NO_SCHEMA" )
-	    optionFlags |= CLIENT_NO_SCHEMA;
+	    clientOptionFlags |= CLIENT_NO_SCHEMA;
 	else if ( opt == "CLIENT_ODBC" )
-	    optionFlags |= CLIENT_ODBC;
+	    clientOptionFlags |= CLIENT_ODBC;
 	else if ( opt == "CLIENT_SSL" )
-	    optionFlags |= CLIENT_SSL;
+	    clientOptionFlags |= CLIENT_SSL;
 	else if ( opt == "MYSQL_OPT_RECONNECT" )
-	    optionFlags |= MYSQL_OPT_RECONNECT;
+	    mysql_options(d->mysql, MYSQL_OPT_RECONNECT, NULL);
 	else 
 	    qWarning( "QMYSQLDriver::open: Unknown connect option '%s'", (*it).latin1() );
     }
 
-    if ( (d->mysql = mysql_init((MYSQL*) 0)) &&
-	    mysql_real_connect( d->mysql,
+    if ( mysql_real_connect( d->mysql,
 				host,
 				user,
 				password,
 				db.isNull() ? QString("") : db,
 				(port > -1) ? port : 0,
 				NULL,
-				optionFlags ) )
+				clientOptionFlags ) )
     {
 	if ( !db.isEmpty() && mysql_select_db( d->mysql, db )) {
 	    setLastError( qMakeError("Unable open database '" + db + "'", QSqlError::Connection, d ) );