public TableName getTableName() {
    Table tableMetadata = conf.getTableMetadata();
    return TableName.fromString(tableMetadata.getTableName(), tableMetadata.getCatName(), tableMetadata.getDbName());
  }
The operator name for this operator type. This is used to construct the
rule for an operator

@return the operator name
ql/src/java/org/apache/hadoop/hive/ql/exec/TableScanOperator.java