HIVE-18359: Extend grouping set limits from int to long (Prasanth Jayachandran review...
[hive.git] / ql / src / java / org / apache / hadoop / hive / ql / optimizer / calcite / reloperators / HiveGroupingID.java
1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.apache.hadoop.hive.ql.optimizer.calcite.reloperators;
19
20 import org.apache.calcite.sql.SqlFunctionCategory;
21 import org.apache.calcite.sql.SqlKind;
22 import org.apache.calcite.sql.fun.SqlAbstractGroupFunction;
23 import org.apache.calcite.sql.type.InferTypes;
24 import org.apache.calcite.sql.type.OperandTypes;
25 import org.apache.calcite.sql.type.ReturnTypes;
26 import org.apache.hadoop.hive.ql.metadata.VirtualColumn;
27
28 public class HiveGroupingID extends SqlAbstractGroupFunction {
29
30 public static final HiveGroupingID INSTANCE =
31 new HiveGroupingID();
32
33 private HiveGroupingID() {
34 super(VirtualColumn.GROUPINGID.getName(),
35 SqlKind.OTHER,
36 ReturnTypes.BIGINT,
37 InferTypes.BOOLEAN,
38 OperandTypes.NILADIC,
39 SqlFunctionCategory.SYSTEM);
40 }
41
42 }