/*
* 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 org.apache.ignite.internal.processors.query.h2.sql;
import java.util.ArrayList;
/**
* Subquery expression.
*/
public class GridSqlSubquery extends GridSqlElement {
/**
* @param subQry Subquery.
*/
public GridSqlSubquery(GridSqlQuery subQry) {
super(new ArrayList<GridSqlAst>(1));
addChild(subQry);
}
/** {@inheritDoc} */
@Override public String getSQL() {
return "(" + subquery().getSQL() + ")";
}
/**
* @return Subquery AST.
*/
public <X extends GridSqlQuery> X subquery() {
return child(0);
}
}