143 lines
3.9 KiB
Java
143 lines
3.9 KiB
Java
/*
|
|
* 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.
|
|
*
|
|
* Other licenses:
|
|
* -----------------------------------------------------------------------------
|
|
* Commercial licenses for this work are available. These replace the above
|
|
* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
|
|
* database integrations.
|
|
*
|
|
* For more information, please visit: http://www.jooq.org/licenses
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*/
|
|
|
|
package org.jooq.impl;
|
|
|
|
import static java.util.Arrays.asList;
|
|
import static org.jooq.Clause.DELETE;
|
|
import static org.jooq.Clause.DELETE_DELETE;
|
|
import static org.jooq.Clause.DELETE_RETURNING;
|
|
import static org.jooq.Clause.DELETE_WHERE;
|
|
import static org.jooq.SQLDialect.MARIADB;
|
|
import static org.jooq.SQLDialect.MYSQL;
|
|
import static org.jooq.impl.Keywords.K_DELETE;
|
|
import static org.jooq.impl.Keywords.K_FROM;
|
|
import static org.jooq.impl.Keywords.K_WHERE;
|
|
|
|
import java.util.Collection;
|
|
|
|
import org.jooq.Clause;
|
|
import org.jooq.Condition;
|
|
import org.jooq.Configuration;
|
|
import org.jooq.Context;
|
|
import org.jooq.DeleteQuery;
|
|
import org.jooq.Operator;
|
|
import org.jooq.Record;
|
|
import org.jooq.Table;
|
|
|
|
/**
|
|
* @author Lukas Eder
|
|
*/
|
|
final class DeleteQueryImpl<R extends Record> extends AbstractDMLQuery<R> implements DeleteQuery<R> {
|
|
|
|
private static final long serialVersionUID = -1943687511774150929L;
|
|
private static final Clause[] CLAUSES = { DELETE };
|
|
|
|
private final ConditionProviderImpl condition;
|
|
|
|
DeleteQueryImpl(Configuration configuration, WithImpl with, Table<R> table) {
|
|
super(configuration, with, table);
|
|
|
|
this.condition = new ConditionProviderImpl();
|
|
}
|
|
|
|
final Condition getWhere() {
|
|
return condition.getWhere();
|
|
}
|
|
|
|
@Override
|
|
public final void addConditions(Collection<? extends Condition> conditions) {
|
|
condition.addConditions(conditions);
|
|
}
|
|
|
|
@Override
|
|
public final void addConditions(Condition... conditions) {
|
|
condition.addConditions(conditions);
|
|
}
|
|
|
|
@Override
|
|
public final void addConditions(Operator operator, Condition... conditions) {
|
|
condition.addConditions(operator, conditions);
|
|
}
|
|
|
|
@Override
|
|
public final void addConditions(Operator operator, Collection<? extends Condition> conditions) {
|
|
condition.addConditions(operator, conditions);
|
|
}
|
|
|
|
@Override
|
|
final void accept0(Context<?> ctx) {
|
|
boolean declare = ctx.declareTables();
|
|
|
|
ctx.start(DELETE_DELETE)
|
|
.visit(K_DELETE).sql(' ');
|
|
|
|
// [#2464] MySQL supports a peculiar multi-table DELETE syntax for aliased tables:
|
|
// DELETE t1 FROM my_table AS t1
|
|
if (asList(MARIADB, MYSQL).contains(ctx.configuration().dialect())) {
|
|
|
|
// [#2579] [#6304] TableAlias discovery
|
|
if (Tools.alias(table) != null)
|
|
ctx.visit(table)
|
|
.sql(' ');
|
|
}
|
|
|
|
ctx.visit(K_FROM).sql(' ')
|
|
.declareTables(true)
|
|
.visit(table)
|
|
.declareTables(declare)
|
|
.end(DELETE_DELETE)
|
|
.start(DELETE_WHERE);
|
|
|
|
if (!(getWhere() instanceof TrueCondition)) {
|
|
ctx.formatSeparator()
|
|
.visit(K_WHERE).sql(' ')
|
|
.visit(getWhere());
|
|
}
|
|
|
|
ctx.end(DELETE_WHERE)
|
|
.start(DELETE_RETURNING);
|
|
|
|
toSQLReturning(ctx);
|
|
|
|
ctx.end(DELETE_RETURNING);
|
|
}
|
|
|
|
@Override
|
|
public final Clause[] clauses(Context<?> ctx) {
|
|
return CLAUSES;
|
|
}
|
|
}
|