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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cayenne.access;
import java.util.List;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.query.PrefetchTreeNode;
import org.apache.cayenne.query.QueryChain;
import org.apache.cayenne.query.SQLTemplate;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.query.SortOrder;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.unit.CayenneCase;
public class DataContextPrefetchQualifierOverlapTest extends CayenneCase {
@Override
protected void setUp() throws Exception {
super.setUp();
deleteTestData();
}
public void testToManyDisjointOverlappingQualifierWithInnerJoin() {
QueryChain data = new QueryChain();
data.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO ARTIST (ARTIST_ID, ARTIST_NAME) VALUES (1, 'A1')"));
data.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO ARTIST (ARTIST_ID, ARTIST_NAME) VALUES (2, 'A2')"));
data
.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO PAINTING (PAINTING_ID, ARTIST_ID, PAINTING_TITLE) VALUES (1, 1, 'ABC')"));
data
.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO PAINTING (PAINTING_ID, ARTIST_ID, PAINTING_TITLE) VALUES (2, 1, 'ABD')"));
data
.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO PAINTING (PAINTING_ID, ARTIST_ID, PAINTING_TITLE) VALUES (3, 1, 'ACC')"));
createDataContext().performGenericQuery(data);
SelectQuery query = new SelectQuery(Artist.class);
query.andQualifier(ExpressionFactory
.likeExp("paintingArray.paintingTitle", "AB%"));
query.addPrefetch(Artist.PAINTING_ARRAY_PROPERTY).setSemantics(
PrefetchTreeNode.DISJOINT_PREFETCH_SEMANTICS);
List<Artist> result = createDataContext().performQuery(query);
assertEquals(1, result.size());
Artist a = result.get(0);
assertEquals(3, a.getPaintingArray().size());
}
public void testToManyJointOverlappingQualifierWithInnerJoin() {
QueryChain data = new QueryChain();
data.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO ARTIST (ARTIST_ID, ARTIST_NAME) VALUES (1, 'A1')"));
data.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO ARTIST (ARTIST_ID, ARTIST_NAME) VALUES (2, 'A2')"));
data
.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO PAINTING (PAINTING_ID, ARTIST_ID, PAINTING_TITLE) VALUES (1, 1, 'ABC')"));
data
.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO PAINTING (PAINTING_ID, ARTIST_ID, PAINTING_TITLE) VALUES (2, 1, 'ABD')"));
data
.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO PAINTING (PAINTING_ID, ARTIST_ID, PAINTING_TITLE) VALUES (3, 1, 'ACC')"));
createDataContext().performGenericQuery(data);
SelectQuery query = new SelectQuery(Artist.class);
query.andQualifier(ExpressionFactory
.likeExp("paintingArray.paintingTitle", "AB%"));
query.addPrefetch(Artist.PAINTING_ARRAY_PROPERTY).setSemantics(
PrefetchTreeNode.JOINT_PREFETCH_SEMANTICS);
List<Artist> result = createDataContext().performQuery(query);
assertEquals(1, result.size());
Artist a = result.get(0);
assertEquals(3, a.getPaintingArray().size());
}
public void testToManyJointOverlappingQualifierWithOuterJoin() {
QueryChain data = new QueryChain();
data.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO ARTIST (ARTIST_ID, ARTIST_NAME) VALUES (1, 'A1')"));
data.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO ARTIST (ARTIST_ID, ARTIST_NAME) VALUES (2, 'A2')"));
data
.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO PAINTING (PAINTING_ID, ARTIST_ID, PAINTING_TITLE) VALUES (1, 1, 'ABC')"));
data
.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO PAINTING (PAINTING_ID, ARTIST_ID, PAINTING_TITLE) VALUES (2, 1, 'ABD')"));
data
.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO PAINTING (PAINTING_ID, ARTIST_ID, PAINTING_TITLE) VALUES (3, 1, 'ACC')"));
createDataContext().performGenericQuery(data);
SelectQuery query = new SelectQuery(Artist.class);
query.andQualifier(ExpressionFactory.likeExp(
"paintingArray+.paintingTitle",
"AB%"));
query.addPrefetch(Artist.PAINTING_ARRAY_PROPERTY).setSemantics(
PrefetchTreeNode.JOINT_PREFETCH_SEMANTICS);
query.orQualifier(ExpressionFactory.likeExp("artistName", "A%"));
query.addOrdering(Artist.ARTIST_NAME_PROPERTY, SortOrder.ASCENDING);
List<Artist> result = createDataContext().performQuery(query);
assertEquals(2, result.size());
Artist a = result.get(0);
assertEquals(3, a.getPaintingArray().size());
Artist a1 = result.get(1);
assertEquals(0, a1.getPaintingArray().size());
}
}