org.jooq.impl.GroupConcat 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 static org.jooq.impl.DSL.inline;
import java.util.Arrays;
import java.util.Collection;
import org.jooq.AggregateFunction;
import org.jooq.Configuration;
import org.jooq.Field;
import org.jooq.GroupConcatOrderByStep;
import org.jooq.GroupConcatSeparatorStep;
import org.jooq.Name;
import org.jooq.SortField;
import org.jooq.WindowBeforeOverStep;
import org.jooq.WindowDefinition;
import org.jooq.WindowFinalStep;
import org.jooq.WindowPartitionByStep;
import org.jooq.WindowSpecification;
/**
* @author Lukas Eder
*/
class GroupConcat extends AbstractFunction implements GroupConcatOrderByStep {
/**
* Generated UID
*/
private static final long serialVersionUID = -6884415527559632960L;
private final Field> field;
private final boolean distinct;
private final SortFieldList orderBy;
private String separator;
GroupConcat(Field> field) {
this(field, false);
}
GroupConcat(Field> field, boolean distinct) {
super("group_concat", SQLDataType.VARCHAR);
this.field = field;
this.distinct = distinct;
this.orderBy = new SortFieldList();
}
@Override
final Field getFunction0(Configuration configuration) {
Function result;
if (separator == null) {
result = new Function(Term.LIST_AGG, distinct, SQLDataType.VARCHAR, field);
}
else {
Field literal = inline(separator);
result = new Function(Term.LIST_AGG, distinct, SQLDataType.VARCHAR, field, literal);
}
return result.withinGroupOrderBy(orderBy);
}
/* [pro] xx
xxxxxxxxx
xxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x
xxxxx xxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxx xxxxxxxxx xx xxxxxxxxxxxx xxxxxxxxx xxxxxxxxxxx
x
xxxxxxxxx
xxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x
xxxxx xxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxx xxxxxxxxx xx xxxxxxxxxxxx xxxxxxxxx xxxxxxxxxxx
x
xxxxxxxxx
xxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx xxxxxxxxxxxxx xxxxxxx x
xxxxx xxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxx xxxxxxxxx xx xxxxxxxxxxxx xxxxxxxxx xxxxxxxxxxx
x
xxxxxxxxx
xxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x
xxxxx xxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxx xxxxxxxxx xx xxxxxxxxxxxx xxxxxxxxx xxxxxxxxxxx
x
xxxxxxxxx
xxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x
xxxxx xxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxx xxxxxxxxx xx xxxxxxxxxxxx xxxxxxxxx xxxxxxxxxxx
x
xxxxxxxxx
xxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx xxxxxxxxxxxxx xxxxxxx x
xxxxx xxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxx xxxxxxxxx xx xxxxxxxxxxxx xxxxxxxxx xxxxxxxxxxx
x
xx [/pro] */
@Override
public final WindowPartitionByStep over() {
throw new UnsupportedOperationException("OVER() not supported on GROUP_CONCAT aggregate function");
}
@Override
public final WindowFinalStep over(WindowSpecification specification) {
throw new UnsupportedOperationException("OVER() not supported on GROUP_CONCAT aggregate function");
}
@Override
public final WindowFinalStep over(WindowDefinition definition) {
throw new UnsupportedOperationException("OVER() not supported on GROUP_CONCAT aggregate function");
}
@Override
public final WindowFinalStep over(Name name) {
throw new UnsupportedOperationException("OVER() not supported on GROUP_CONCAT aggregate function");
}
@Override
public final WindowFinalStep over(String name) {
throw new UnsupportedOperationException("OVER() not supported on GROUP_CONCAT aggregate function");
}
@Override
public final AggregateFunction separator(String s) {
this.separator = s;
return this;
}
@Override
public final GroupConcatSeparatorStep orderBy(Field>... fields) {
orderBy.addAll(fields);
return this;
}
@Override
public final GroupConcatSeparatorStep orderBy(SortField>... fields) {
orderBy.addAll(Arrays.asList(fields));
return this;
}
@Override
public final GroupConcatSeparatorStep orderBy(Collection extends SortField>> fields) {
orderBy.addAll(fields);
return this;
}
}