skip some tests for interval/datetime arithmetic on Informix

Author: gavinking

hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/FunctionTests.java

@@ -1093,6 +1093,7 @@ public void testCastInvalidStringToBoolean(SessionFactoryScope scope) {
 	@SkipForDialect(dialectClass = DerbyDialect.class)
 	@SkipForDialect(dialectClass = SybaseDialect.class, matchSubTypes = true)
 	@SkipForDialect(dialectClass = AltibaseDialect.class, reason = "Altibase does not support offset of datetime")
+	@SkipForDialect(dialectClass = InformixDialect.class, reason = "Informix does not support offset datetime")
 	public void testCastToOffsetDatetime(SessionFactoryScope scope) {
 		scope.inTransaction( session -> {
 			session.createQuery("select cast(datetime 1911-10-09 12:13:14-02:00 as String)", String.class).getSingleResult();
@@ -1490,8 +1491,6 @@ public void testIntervalAddExpressions(SessionFactoryScope scope) {
 							.list();
 					session.createQuery("select e.theTime + 30 second from EntityOfBasics e", Date.class)
 							.list();
-					session.createQuery("select e.theTime + 300000000 nanosecond from EntityOfBasics e", Date.class)
-							.list();
 
 					session.createQuery("select e.theTimestamp + 1 year from EntityOfBasics e", Date.class)
 							.list();
@@ -1511,6 +1510,18 @@ public void testIntervalAddExpressions(SessionFactoryScope scope) {
 		);
 	}
 
+	@Test
+	@SkipForDialect(dialectClass = InformixDialect.class,
+			reason = "Adding nanoseconds to a time is weird anyway")
+	public void testAddNanosecondsToTime(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					session.createQuery("select e.theTime + 300000000 nanosecond from EntityOfBasics e", Date.class)
+							.list();
+				}
+		);
+	}
+
 	@Test
 	public void testIntervalSubExpressions(SessionFactoryScope scope) {
 		scope.inTransaction(
@@ -2067,7 +2078,10 @@ public void testMoreIntervalDiffExpressions(SessionFactoryScope scope) {
 
 
 	@Test
-	@SkipForDialect(dialectClass = CockroachDialect.class, reason = "unsupported binary operator: <date> - <timestamp(6)>")
+	@SkipForDialect(dialectClass = CockroachDialect.class,
+			reason = "unsupported binary operator: <date> - <timestamp(6)>")
+	@SkipForDialect(dialectClass = InformixDialect.class,
+			reason = "Intervals or datetimes are incompatible for the operation")
 	public void testIntervalDiffExpressionsDifferentTypes(SessionFactoryScope scope) {
 		scope.inTransaction(
 				session -> {

hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/StandardFunctionTests.java

@@ -13,6 +13,7 @@
 import java.time.ZoneOffset;
 import java.time.ZonedDateTime;
 
+import org.hibernate.community.dialect.InformixDialect;
 import org.hibernate.dialect.CockroachDialect;
 
 import org.hamcrest.number.IsCloseTo;
@@ -566,7 +567,10 @@ public void testIntervalDiffExpressions(SessionFactoryScope scope) {
 	}
 
 	@Test
-	@SkipForDialect(dialectClass = CockroachDialect.class, reason = "unsupported binary operator: <date> - <timestamp(6)>")
+	@SkipForDialect(dialectClass = CockroachDialect.class,
+			reason = "unsupported binary operator: <date> - <timestamp(6)>")
+	@SkipForDialect(dialectClass = InformixDialect.class,
+			reason = "Intervals or datetimes are incompatible for the operation")
 	public void testIntervalDiffExpressionsDifferentTypes(SessionFactoryScope scope) {
 		scope.inTransaction(
 				session -> {