org.apache.flink.table.functions.sql.AggSqlFunctions.scala Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of flink-table_2.11 Show documentation

The newest version!

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with 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 compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.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
 * limitations under the License.
 */
package org.apache.flink.table.functions.sql

import org.apache.calcite.sql.SqlKind

/**
  * All built-in aggregate SQL functions.
  */
object AggSqlFunctions {
 val CARDINALITY_COUNT = new SqlCardinalityCountAggFunction
 val MAX2ND = new SqlMax2ndAggFunction
 val FIRST_VALUE = new SqlFirstLastValueAggFunction(SqlKind.FIRST_VALUE)
 val LAST_VALUE = new SqlFirstLastValueAggFunction(SqlKind.LAST_VALUE)
 val CONCAT_AGG = new SqlConcatAggFunction
 val INCR_SUM = new SqlIncrSumAggFunction
}