com.hazelcast.org.apache.calcite.rex.RexSqlConvertlet 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.rex;
import com.hazelcast.org.apache.calcite.sql.SqlNode;
/**
* Converts a {@link RexNode} expression into a {@link SqlNode} expression.
*/
public interface RexSqlConvertlet {
//~ Methods ----------------------------------------------------------------
/**
* Converts a {@link RexCall} to a {@link SqlNode} expression.
*
* @param converter to use in translating
* @param call RexCall to translate
* @return SqlNode, or null if translation was unavailable
*/
SqlNode convertCall(
RexToSqlNodeConverter converter,
RexCall call);
}