com.hazelcast.org.apache.calcite.rel.core.TableSpool Maven / Gradle / Ivy
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* 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.rel.core;
import com.hazelcast.org.apache.calcite.linq4j.function.Experimental;
import com.hazelcast.org.apache.calcite.plan.RelOptCluster;
import com.hazelcast.org.apache.calcite.plan.RelOptTable;
import com.hazelcast.org.apache.calcite.plan.RelTraitSet;
import com.hazelcast.org.apache.calcite.rel.RelNode;
import com.hazelcast.org.apache.calcite.rel.RelWriter;
import java.util.Objects;
/**
* Spool that writes into a table.
*
* NOTE: The current API is experimental and subject to change without
* notice.
*/
@Experimental
public abstract class TableSpool extends Spool {
protected final RelOptTable table;
protected TableSpool(RelOptCluster cluster, RelTraitSet traitSet,
RelNode input, Type readType, Type writeType, RelOptTable table) {
super(cluster, traitSet, input, readType, writeType);
this.table = Objects.requireNonNull(table);
}
public RelOptTable getTable() {
return table;
}
@Override public RelWriter explainTerms(RelWriter pw) {
super.explainTerms(pw);
return pw.item("table", table.getQualifiedName());
}
}