com.hazelcast.org.apache.calcite.schema.TableMacro 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.schema;
import com.hazelcast.org.checkerframework.checker.nullness.qual.Nullable;
import java.util.List;
/**
* Function that returns a {@link Table}.
*
* As the name "macro" implies, this is invoked at "compile time", that is,
* during query preparation. Compile-time expansion of table expressions allows
* for some very powerful query-optimizations.
*/
public interface TableMacro extends Function {
/**
* Applies arguments to yield a table.
*
* @param arguments Arguments
* @return Table
*/
TranslatableTable apply(List arguments);
}