org.jooq.impl.ScalarSubquery Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2014, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
* either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
* choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 2.0:
* -----------------------------------------------------------------------------
* Licensed 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.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq.impl;
import org.jooq.Context;
import org.jooq.DataType;
import org.jooq.Field;
import org.jooq.Select;
/**
* @author Lukas Eder
*/
class ScalarSubquery extends AbstractField {
private static final long serialVersionUID = 3463144434073231750L;
private final Select query;
ScalarSubquery(Select query, DataType type) {
super("select", type);
this.query = query;
}
@Override
public final Field as(String alias) {
return new FieldAlias(this, alias);
}
@Override
public final void accept(Context ctx) {
boolean subquery = ctx.subquery();
ctx.sql("(")
.subquery(true)
.formatIndentStart()
.formatNewLine()
.visit(query)
.formatIndentEnd()
.formatNewLine()
.subquery(subquery)
.sql(")");
}
}