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package org.apache.cayenne.access;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.test.jdbc.DBHelper;
import org.apache.cayenne.test.jdbc.TableHelper;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.unit.di.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.junit.Test;
import java.util.List;
import static org.junit.Assert.assertEquals;
@UseServerRuntime(CayenneProjects.TESTMAP_PROJECT)
public class DataContextPrefetchQualifierOverlapIT extends ServerCase {
@Inject
private DataContext context;
@Inject
private DBHelper dbHelper;
private void createTwoArtistsThreePaintingsDataSet() throws Exception {
TableHelper tArtist = new TableHelper(dbHelper, "ARTIST");
tArtist.setColumns("ARTIST_ID", "ARTIST_NAME");
TableHelper tPainting = new TableHelper(dbHelper, "PAINTING");
tPainting.setColumns("PAINTING_ID", "PAINTING_TITLE", "ARTIST_ID");
tArtist.insert(1, "A1");
tArtist.insert(2, "A2");
tPainting.insert(1, "ABC", 1);
tPainting.insert(2, "ABD", 1);
tPainting.insert(3, "ACC", 1);
}
@Test
public void testToManyDisjointOverlappingQualifierWithInnerJoin() throws Exception {
createTwoArtistsThreePaintingsDataSet();
SelectQuery query = new SelectQuery(Artist.class);
query.andQualifier(ExpressionFactory
.likeExp("paintingArray.paintingTitle", "AB%"));
query.addPrefetch(Artist.PAINTING_ARRAY.disjoint());
List<Artist> result = context.performQuery(query);
assertEquals(1, result.size());
Artist a = result.get(0);
assertEquals(3, a.getPaintingArray().size());
}
@Test
public void testToManyJointOverlappingQualifierWithInnerJoin() throws Exception {
createTwoArtistsThreePaintingsDataSet();
SelectQuery query = new SelectQuery(Artist.class);
query.andQualifier(ExpressionFactory
.likeExp("paintingArray.paintingTitle", "AB%"));
query.addPrefetch(Artist.PAINTING_ARRAY.joint());
List<Artist> result = context.performQuery(query);
assertEquals(1, result.size());
Artist a = result.get(0);
assertEquals(3, a.getPaintingArray().size());
}
@Test
public void testToManyJointOverlappingQualifierWithOuterJoin() throws Exception {
createTwoArtistsThreePaintingsDataSet();
SelectQuery query = new SelectQuery(Artist.class);
query.andQualifier(ExpressionFactory.likeExp(
"paintingArray+.paintingTitle",
"AB%"));
query.addPrefetch(Artist.PAINTING_ARRAY.joint());
query.orQualifier(ExpressionFactory.likeExp("artistName", "A%"));
query.addOrdering(Artist.ARTIST_NAME.asc());
List<Artist> result = context.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());
}
}