com.hazelcast.org.apache.calcite.sql.fun.SqlGroupingFunction Maven / Gradle / Ivy
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* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License, Version 2.0
* (the "License"); you may not use this file except in com.hazelcast.com.liance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.com.hazelcast.org.licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
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*/
package com.hazelcast.org.apache.calcite.sql.fun;
import com.hazelcast.org.apache.calcite.sql.SqlFunctionCategory;
import com.hazelcast.org.apache.calcite.sql.SqlKind;
import com.hazelcast.org.apache.calcite.sql.type.OperandTypes;
import com.hazelcast.org.apache.calcite.sql.type.ReturnTypes;
/**
* The {@code GROUPING} function.
*
* Accepts 1 or more arguments.
* Example: {@code GROUPING(deptno, gender)} returns
* 3 if both deptno and gender are being grouped,
* 2 if only deptno is being grouped,
* 1 if only gender is being groped,
* 0 if neither deptno nor gender are being grouped.
*
*
This function is defined in the SQL standard.
* {@code GROUPING_ID} is a non-standard synonym.
*
*
Some examples are in {@code agg.iq}.
*/
class SqlGroupingFunction extends SqlAbstractGroupFunction {
SqlGroupingFunction(String name) {
super(name, SqlKind.GROUPING, ReturnTypes.BIGINT, null,
OperandTypes.ONE_OR_MORE, SqlFunctionCategory.SYSTEM);
}
}