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package org.apache.cayenne.access;
import org.apache.cayenne.Cayenne;
import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.query.EJBQLQuery;
import org.apache.cayenne.query.QueryChain;
import org.apache.cayenne.query.SQLTemplate;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.testdo.testmap.Painting;
import org.apache.cayenne.unit.UnitDbAdapter;
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;
import static org.junit.Assert.assertTrue;
// TODO: renamed as it fails on DB's like Derby. See CAY-1480.
@UseServerRuntime(CayenneProjects.TESTMAP_PROJECT)
public class DataContextEJBQLFunctionalExpressionsIT extends ServerCase {
@Inject
private ObjectContext context;
@Inject
private UnitDbAdapter accessStackAdapter;
@Test
public void testSIZE() {
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("a1");
Artist a2 = context.newObject(Artist.class);
a2.setArtistName("a2");
Painting p12 = context.newObject(Painting.class);
p12.setPaintingTitle("p12");
a2.addToPaintingArray(p12);
Painting p22 = context.newObject(Painting.class);
p22.setPaintingTitle("p22");
a2.addToPaintingArray(p22);
context.commitChanges();
// this fails:
// EJBQLQuery query = new EJBQLQuery(
// "SELECT d FROM Artist d WHERE SIZE(d.paintingArray) = 2");
// List<?> objects = context.performQuery(query);
// assertEquals(1, objects.size());
// assertTrue(objects.contains(a2));
//
// EJBQLQuery query2 = new EJBQLQuery(
// "SELECT d FROM Artist d WHERE SIZE(d.paintingArray) = 0");
// List<?> objects2 = context.performQuery(query2);
// assertEquals(1, objects2.size());
// assertTrue(objects2.contains(a1));
}
@Test
public void testCONCAT() {
Painting a1 = context.newObject(Painting.class);
a1.setPaintingTitle("a1");
Painting a2 = context.newObject(Painting.class);
a2.setPaintingTitle("a2");
context.commitChanges();
EJBQLQuery query = new EJBQLQuery(
"SELECT a FROM Painting a WHERE CONCAT(a.paintingTitle, a.paintingTitle) = 'a1a1'");
List<?> objects = context.performQuery(query);
assertEquals(1, objects.size());
assertTrue(objects.contains(a1));
}
@Test
public void testSUBSTRING() {
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("12345678");
Artist a2 = context.newObject(Artist.class);
a2.setArtistName("abcdefg");
context.commitChanges();
EJBQLQuery query = new EJBQLQuery(
"SELECT a FROM Artist a WHERE SUBSTRING(a.artistName, 2, 3) = 'bcd'");
List<?> objects = context.performQuery(query);
assertEquals(1, objects.size());
assertTrue(objects.contains(a2));
}
@Test
public void testLOWER() {
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("ABCDEFG");
Artist a2 = context.newObject(Artist.class);
a2.setArtistName("abcdefg");
context.commitChanges();
Artist a3 = context.newObject(Artist.class);
a3.setArtistName("Xabcdefg");
context.commitChanges();
EJBQLQuery query = new EJBQLQuery(
"SELECT a FROM Artist a WHERE LOWER(a.artistName) = 'abcdefg'");
List<?> objects = context.performQuery(query);
assertEquals(2, objects.size());
assertTrue(objects.contains(a1));
assertTrue(objects.contains(a2));
}
@Test
public void testUPPER() {
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("ABCDEFG");
Artist a2 = context.newObject(Artist.class);
a2.setArtistName("abcdefg");
context.commitChanges();
Artist a3 = context.newObject(Artist.class);
a3.setArtistName("Xabcdefg");
context.commitChanges();
EJBQLQuery query = new EJBQLQuery(
"SELECT a FROM Artist a WHERE UPPER(a.artistName) = UPPER('abcdefg')");
List<?> objects = context.performQuery(query);
assertEquals(2, objects.size());
assertTrue(objects.contains(a1));
assertTrue(objects.contains(a2));
}
@Test
public void testLENGTH() {
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("1234567");
Artist a2 = context.newObject(Artist.class);
a2.setArtistName("1234567890");
Artist a3 = context.newObject(Artist.class);
a3.setArtistName("1234567890-=");
context.commitChanges();
EJBQLQuery query = new EJBQLQuery(
"SELECT a FROM Artist a WHERE LENGTH(a.artistName) > 7");
List<?> objects = context.performQuery(query);
assertEquals(2, objects.size());
assertTrue(objects.contains(a3));
assertTrue(objects.contains(a2));
}
@Test
public void testLOCATE() {
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("___A___");
Artist a2 = context.newObject(Artist.class);
a2.setArtistName("_A_____");
context.commitChanges();
EJBQLQuery query = new EJBQLQuery(
"SELECT a FROM Artist a WHERE LOCATE('A', a.artistName) = 2");
List<?> objects = context.performQuery(query);
assertEquals(1, objects.size());
assertTrue(objects.contains(a2));
}
@Test
public void testTRIM() {
// insert via a SQL template to prevent adapter trimming and such...
QueryChain inserts = new QueryChain();
inserts.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO ARTIST (ARTIST_ID,ARTIST_NAME) VALUES(1, ' A')"));
inserts.addQuery(new SQLTemplate(
Artist.class,
"INSERT INTO ARTIST (ARTIST_ID,ARTIST_NAME) VALUES(2, 'A ')"));
context.performGenericQuery(inserts);
Artist a1 = Cayenne.objectForPK(context, Artist.class, 1);
Artist a2 = Cayenne.objectForPK(context, Artist.class, 2);
EJBQLQuery query = new EJBQLQuery(
"SELECT a FROM Artist a WHERE TRIM(a.artistName) = 'A'");
List<?> objects = context.performQuery(query);
assertEquals(2, objects.size());
assertTrue(objects.contains(a1));
assertTrue(objects.contains(a2));
query = new EJBQLQuery(
"SELECT a FROM Artist a WHERE TRIM(LEADING FROM a.artistName) = 'A'");
objects = context.performQuery(query);
// this is fuzzy cause some DB trim trailing data by default
assertTrue(objects.size() == 1 || objects.size() == 2);
assertTrue(objects.contains(a1));
query = new EJBQLQuery(
"SELECT a FROM Artist a WHERE TRIM(TRAILING FROM a.artistName) = 'A'");
objects = context.performQuery(query);
assertEquals(1, objects.size());
assertTrue(objects.contains(a2));
query = new EJBQLQuery(
"SELECT a FROM Artist a WHERE TRIM(BOTH FROM a.artistName) = 'A'");
objects = context.performQuery(query);
assertEquals(2, objects.size());
assertTrue(objects.contains(a1));
assertTrue(objects.contains(a2));
}
@Test
public void testTRIMChar() {
if (!accessStackAdapter.supportsTrimChar()) {
return;
}
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("XXXA");
Artist a2 = context.newObject(Artist.class);
a2.setArtistName("AXXX");
context.commitChanges();
EJBQLQuery query = new EJBQLQuery(
"SELECT a FROM Artist a WHERE TRIM('X' FROM a.artistName) = 'A'");
List<?> objects = context.performQuery(query);
assertEquals(2, objects.size());
assertTrue(objects.contains(a1));
assertTrue(objects.contains(a2));
query = new EJBQLQuery(
"SELECT a FROM Artist a WHERE TRIM(LEADING 'X' FROM a.artistName) = 'A'");
objects = context.performQuery(query);
assertEquals(1, objects.size());
assertTrue(objects.contains(a1));
query = new EJBQLQuery(
"SELECT a FROM Artist a WHERE TRIM(TRAILING 'X' FROM a.artistName) = 'A'");
objects = context.performQuery(query);
assertEquals(1, objects.size());
assertTrue(objects.contains(a2));
query = new EJBQLQuery(
"SELECT a FROM Artist a WHERE TRIM(BOTH 'X' FROM a.artistName) = 'A'");
objects = context.performQuery(query);
assertEquals(2, objects.size());
assertTrue(objects.contains(a1));
assertTrue(objects.contains(a2));
}
}