public Value getFieldTable(int fieldOffset)
public Value getFieldTable(Env env, int fieldOffset)
  public Value getFieldTable(int fieldOffset)  {    try {      if (_metaData == null)        _metaData = _rs.getMetaData();      if (_metaData.getColumnCount() <= fieldOffset || fieldOffset < 0)        return BooleanValue.FALSE;      else {	String tableName = _metaData.getTableName(fieldOffset + 1);	if (tableName == null || tableName.equals(""))	  return BooleanValue.FALSE;	else	  return new StringValue(tableName);      }    } catch (SQLException e) {      log.log(Level.FINE, e.toString(), e);      return BooleanValue.FALSE;    }  }