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tests for right/full join syntax

This commit is contained in:
Gavin King 2022-07-02 18:27:00 +02:00
parent c3e0bc44ba
commit a89d558485
2 changed files with 141 additions and 0 deletions
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130
hibernate-core/src/test/java/org/hibernate/orm/test/join/OuterJoinTest.java
View File

@ -247,6 +247,136 @@ public class OuterJoinTest {
} );
}
@Test @RequiresDialectFeature(feature = DialectFeatureChecks.SupportsFullJoin.class)
public void testJoinOrderWithFullJoin(EntityManagerFactoryScope scope) {
scope.inTransaction( em -> {
List<Tuple> resultList = em.createQuery(
"SELECT COALESCE(a.key, b.key, c.key, d.key), a.value, b.value, c.value, d.value " +
"FROM A a " +
"INNER JOIN B b ON a.key = b.key " +
"FULL JOIN C c ON a.key = c.key " +
"INNER JOIN D d ON d.key = c.key " +
"ORDER BY COALESCE(a.key, b.key, c.key, d.key) ASC",
Tuple.class
)
.getResultList();
assertEquals( 3, resultList.size() );
assertEquals( "a", resultList.get( 0 ).get( 1 ) );
assertEquals( "d", resultList.get( 0 ).get( 2 ) );
assertEquals( "g", resultList.get( 0 ).get( 3 ) );
assertEquals( "k", resultList.get( 0 ).get( 4 ) );
assertEquals( "b", resultList.get( 1 ).get( 1 ) );
assertEquals( "e", resultList.get( 1 ).get( 2 ) );
assertEquals( "h", resultList.get( 1 ).get( 3 ) );
assertEquals( "l", resultList.get( 1 ).get( 4 ) );
assertNull( resultList.get( 2 ).get( 1 ) );
assertNull( resultList.get( 2 ).get( 2 ) );
assertEquals( "j", resultList.get( 2 ).get( 3 ) );
assertEquals( "m", resultList.get( 2 ).get( 4 ) );
} );
}
@Test @RequiresDialectFeature(feature = DialectFeatureChecks.SupportsFullJoin.class)
public void testJoinOrderWithFullNormalJoin(EntityManagerFactoryScope scope) {
scope.inTransaction( em -> {
List<Tuple> resultList = em.createQuery(
"SELECT COALESCE(a.key, b.key, c.key, d.key), a.value, b.value, c.value, d.value " +
"FROM A a " +
"INNER JOIN B b ON a.key = b.key " +
"FULL JOIN a.cAssociationByKey c " +
"INNER JOIN D d ON d.key = c.key " +
"ORDER BY COALESCE(a.key, b.key, c.key, d.key) ASC",
Tuple.class
)
.getResultList();
assertEquals( 3, resultList.size() );
assertEquals( "a", resultList.get( 0 ).get( 1 ) );
assertEquals( "d", resultList.get( 0 ).get( 2 ) );
assertEquals( "g", resultList.get( 0 ).get( 3 ) );
assertEquals( "k", resultList.get( 0 ).get( 4 ) );
assertEquals( "b", resultList.get( 1 ).get( 1 ) );
assertEquals( "e", resultList.get( 1 ).get( 2 ) );
assertEquals( "h", resultList.get( 1 ).get( 3 ) );
assertEquals( "l", resultList.get( 1 ).get( 4 ) );
assertNull( resultList.get( 2 ).get( 1 ) );
assertNull( resultList.get( 2 ).get( 2 ) );
assertEquals( "j", resultList.get( 2 ).get( 3 ) );
assertEquals( "m", resultList.get( 2 ).get( 4 ) );
} );
}
@Test @RequiresDialectFeature(feature = DialectFeatureChecks.SupportsFullJoin.class)
public void testJoinOrderWithFullJoinWithIdDereference(EntityManagerFactoryScope scope) {
scope.inTransaction( em -> {
List<Tuple> resultList = em.createQuery(
"SELECT COALESCE(a.key, b.key, c.key, d.key), a.value, b.value, c.value, d.value " +
"FROM A a " +
"INNER JOIN B b ON a.key = b.key AND a.association.key = b.association.key " +
"FULL JOIN C c ON a.key = c.key AND a.association.key = c.association.key " +
"INNER JOIN D d ON d.key = c.key AND d.association.key = c.association.key " +
"ORDER BY COALESCE(a.key, b.key, c.key, d.key) ASC",
Tuple.class
).getResultList();
assertEquals( 3, resultList.size() );
assertEquals( "a", resultList.get( 0 ).get( 1 ) );
assertEquals( "d", resultList.get( 0 ).get( 2 ) );
assertEquals( "g", resultList.get( 0 ).get( 3 ) );
assertEquals( "k", resultList.get( 0 ).get( 4 ) );
assertEquals( "b", resultList.get( 1 ).get( 1 ) );
assertEquals( "e", resultList.get( 1 ).get( 2 ) );
assertEquals( "h", resultList.get( 1 ).get( 3 ) );
assertEquals( "l", resultList.get( 1 ).get( 4 ) );
assertNull( resultList.get( 2 ).get( 1 ) );
assertNull( resultList.get( 2 ).get( 2 ) );
assertEquals( "j", resultList.get( 2 ).get( 3 ) );
assertEquals( "m", resultList.get( 2 ).get( 4 ) );
} );
}
@Test @RequiresDialectFeature(feature = DialectFeatureChecks.SupportsFullJoin.class)
public void testJoinOrderWithFullNormalJoinWithIdDereference(EntityManagerFactoryScope scope) {
scope.inTransaction( em -> {
List<Tuple> resultList = em.createQuery(
"SELECT COALESCE(a.key, b.key, c.key, d.key), a.value, b.value, c.value, d.value " +
"FROM A a " +
"INNER JOIN B b ON a.key = b.key AND a.association.key = b.association.key " +
"FULL JOIN a.cAssociationByKey c ON a.key = c.key AND a.association.key = c.association.key " +
"INNER JOIN D d ON d.key = c.key AND d.association.key = c.association.key " +
"ORDER BY COALESCE(a.key, b.key, c.key, d.key) ASC",
Tuple.class
).getResultList();
assertEquals( 3, resultList.size() );
assertEquals( "a", resultList.get( 0 ).get( 1 ) );
assertEquals( "d", resultList.get( 0 ).get( 2 ) );
assertEquals( "g", resultList.get( 0 ).get( 3 ) );
assertEquals( "k", resultList.get( 0 ).get( 4 ) );
assertEquals( "b", resultList.get( 1 ).get( 1 ) );
assertEquals( "e", resultList.get( 1 ).get( 2 ) );
assertEquals( "h", resultList.get( 1 ).get( 3 ) );
assertEquals( "l", resultList.get( 1 ).get( 4 ) );
assertNull( resultList.get( 2 ).get( 1 ) );
assertNull( resultList.get( 2 ).get( 2 ) );
assertEquals( "j", resultList.get( 2 ).get( 3 ) );
assertEquals( "m", resultList.get( 2 ).get( 4 ) );
} );
}
@Test
@RequiresDialectFeature(feature = DialectFeatureChecks.SupportsSubqueryInOnClause.class)
public void testJoinOrderWithRightJoinWithInnerImplicitJoins(EntityManagerFactoryScope scope) {

11
hibernate-testing/src/main/java/org/hibernate/testing/orm/junit/DialectFeatureChecks.java
View File

@ -20,6 +20,7 @@ import org.hibernate.dialect.OracleDialect;
import org.hibernate.dialect.PostgreSQLDialect;
import org.hibernate.dialect.SQLServerDialect;
import org.hibernate.dialect.SpannerDialect;
import org.hibernate.dialect.SybaseDialect;
import org.hibernate.dialect.TimeZoneSupport;
import org.hibernate.dialect.TiDBDialect;
import org.hibernate.query.sqm.FetchClauseType;
@ -455,4 +456,14 @@ abstract public class DialectFeatureChecks {
return !( dialect instanceof TiDBDialect );
}
}
public static class SupportsFullJoin implements DialectFeatureCheck {
public boolean apply(Dialect dialect) {
// TiDB db does not support subqueries for ON condition
return !( dialect instanceof H2Dialect
|| dialect instanceof MySQLDialect
|| dialect instanceof SybaseDialect
|| dialect instanceof DerbyDialect);
}
}
}