DatabaseMetaData dbMetaData;
ResultSet db_resultSet;
try
{
   dbMetaData = dbConnection.getMetaData();
   db_resultSet = dbMetaData.getTables(catalog, schemaPattern, tableNamePattern, tableTypes);
         
   schemas.removeAllElements();
   tables.removeAllElements();
   while (db_resultSet.next())
   {
      // ************************************************************
      // PostgreSQL databases may have schemas that limit access to
      // tables by users. So make a check and remove tables that are
      // not accessable by the user.
         
      if (subProtocol.equals("postgresql"))
      {
          db_resultSet = dbMetaData.getTablePrivileges(db, "", "%");
          while (db_resultSet.next())
          {
             String tableName, grantee, user;
             tableName = db_resultSet.getString("TABLE_NAME");
             if (tables.contains(tableName))
             {
                grantee = db_resultSet.getString("GRANTEE");
                user = MyJSQLView_Access.getCurrentUser();
                if (tables.contains(tableName) && !grantee.equals(user))
                tables.remove(tableName);
             }
           }
      }
      db_resultSet.close();
}
catch (SQLException e)
{
   throw e;
}