public static boolean startsWith(String columnPath,String tableName){
  if (tableName == null || columnPath == null)   return false;
  return columnPath.startsWith(tableName + ".");
}

public static boolean startsWith ( String columnPath , String tableName ) { if ( tableName == null || columnPath == null ) return false ; return columnPath . startsWith ( tableName + "." ) ; }
returns true if given columnpath startswith given tablename
