jooq/jOOQ/src/main/java/org/jooq/impl/AsteriskImpl.java
2019-05-27 11:57:59 +02:00

95 lines
2.4 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
*
*
*
*
*
*
*
*
*
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*
*
*
*
*/
package org.jooq.impl;
import static org.jooq.impl.Keywords.K_EXCEPT;
import java.util.Arrays;
import org.jooq.Asterisk;
import org.jooq.Context;
import org.jooq.Field;
import org.jooq.Name;
/**
* @author Lukas Eder
*/
final class AsteriskImpl extends AbstractQueryPart implements Asterisk {
/**
* Generated UI
*/
private static final long serialVersionUID = 6298415939984684260L;
static final AsteriskImpl INSTANCE = new AsteriskImpl(new QueryPartList<Field<?>>());
final QueryPartList<Field<?>> fields;
private AsteriskImpl(QueryPartList<Field<?>> fields) {
this.fields = fields;
}
@Override
public final void accept(Context<?> ctx) {
ctx.sql('*');
// [#7921] H2 has native support for EXCEPT. Emulations are implemented
// in SelectQueryImpl
if (!fields.isEmpty())
ctx.sql(' ').visit(K_EXCEPT).sql(" (").visit(fields).sql(')');
}
@Override
public final Asterisk except(String... fieldNames) {
return except(Tools.fieldsByName(fieldNames));
}
@Override
public final Asterisk except(Name... fieldNames) {
return except(Tools.fieldsByName(fieldNames));
}
@Override
public final Asterisk except(Field<?>... f) {
QueryPartList<Field<?>> list = new QueryPartList<Field<?>>();
list.addAll(fields);
list.addAll(Arrays.asList(f));
return new AsteriskImpl(list);
}
}