com.hazelcast.org.apache.calcite.sql.fun.SqlArrayValueConstructor 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.fun;
import com.hazelcast.org.apache.calcite.rel.type.RelDataType;
import com.hazelcast.org.apache.calcite.sql.SqlKind;
import com.hazelcast.org.apache.calcite.sql.SqlOperatorBinding;
import com.hazelcast.org.apache.calcite.sql.type.SqlTypeUtil;
/**
* Definition of the SQL:2003 standard ARRAY constructor, ARRAY
* [<expr>, ...]
.
*/
public class SqlArrayValueConstructor extends SqlMultisetValueConstructor {
public SqlArrayValueConstructor() {
super("ARRAY", SqlKind.ARRAY_VALUE_CONSTRUCTOR);
}
@Override public RelDataType inferReturnType(SqlOperatorBinding opBinding) {
RelDataType type =
getComponentType(
opBinding.getTypeFactory(),
opBinding.collectOperandTypes());
if (null == type) {
return null;
}
return SqlTypeUtil.createArrayType(
opBinding.getTypeFactory(), type, false);
}
}