com.hazelcast.org.apache.calcite.sql.SqlRankFunction Maven / Gradle / Ivy
/*
* 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 com.hazelcast.org.apache.calcite.sql;
import com.hazelcast.org.apache.calcite.sql.type.OperandTypes;
import com.hazelcast.org.apache.calcite.sql.type.ReturnTypes;
import com.hazelcast.org.apache.calcite.sql.type.SqlReturnTypeInference;
import com.hazelcast.org.apache.calcite.util.Optionality;
/**
* Operator which aggregates sets of values into a result.
*/
public class SqlRankFunction extends SqlAggFunction {
//~ Constructors -----------------------------------------------------------
@Deprecated
public SqlRankFunction(boolean requiresOrder, SqlKind kind) {
this(kind, ReturnTypes.INTEGER, requiresOrder);
}
public SqlRankFunction(SqlKind kind, SqlReturnTypeInference returnTypes,
boolean requiresOrder) {
super(kind.name(), null, kind, returnTypes, null,
OperandTypes.NILADIC, SqlFunctionCategory.NUMERIC, requiresOrder,
true, Optionality.FORBIDDEN);
}
//~ Methods ----------------------------------------------------------------
@Override public boolean allowsFraming() {
return false;
}
}