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org.jooq.impl.ArrayQuery Maven / Gradle / Ivy
/*
* 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
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* https://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* limitations under the License.
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* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* Apache-2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
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* For more information, please visit: https://www.jooq.org/legal/licensing
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package org.jooq.impl;
import static org.jooq.impl.DSL.arrayAgg;
import static org.jooq.impl.Keywords.K_ARRAY;
import static org.jooq.impl.Names.N_ARRAY;
import static org.jooq.impl.Tools.visitSubquery;
import org.jooq.Context;
import org.jooq.DataType;
import org.jooq.Field;
import org.jooq.QueryPart;
import org.jooq.Record1;
// ...
import org.jooq.Select;
import org.jooq.Table;
// ...
/**
* @author Lukas Eder
*/
final class ArrayQuery extends AbstractField implements QOM.ArrayQuery {
private final Select extends Record1> query;
@SuppressWarnings({ "rawtypes", "unchecked" })
ArrayQuery(Select extends Record1> query) {
super(N_ARRAY, (DataType) query.getSelect().get(0).getDataType().getArrayDataType());
this.query = query;
}
@Override
public final void accept(Context> ctx) {
switch (ctx.family()) {
case H2: {
Table> t = query.asTable("t", "c");
Field> c = t.field("c");
// [#11053] TODO: Move ORDER BY clause from subquery to ARRAY_AGG
// See https://github.com/jOOQ/jOOQ/issues/11053#issuecomment-735773248
visitSubquery(ctx, DSL.select(arrayAgg(c)).from(t));
break;
}
default:
ctx.visit(K_ARRAY).visitSubquery(query);
break;
}
}
// -------------------------------------------------------------------------
// XXX: Query Object Model
// -------------------------------------------------------------------------
@Override
public final Select extends Record1> $query() {
return query;
}
}
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