@Override
 public PMetaData removeColumn(
     PName tenantId,
     String tableName,
     List<PColumn> columnsToRemove,
     long tableTimeStamp,
     long tableSeqNum,
     long resolvedTime)
     throws SQLException {
   return metaData =
       metaData.removeColumn(
           tenantId, tableName, columnsToRemove, tableTimeStamp, tableSeqNum, resolvedTime);
 }