Reproducer for vladmihalcea/hibernate-types#27

hibernate-types-52/src/test/java/com/vladmihalcea/hibernate/type/json/PostgreSQLJsonBinaryTypeUnionTest.java

@@ -0,0 +1,58 @@
+package com.vladmihalcea.hibernate.type.json;
+
+import com.vladmihalcea.hibernate.type.model.BaseEntity;
+import com.vladmihalcea.hibernate.type.model.Location;
+import com.vladmihalcea.hibernate.type.util.AbstractPostgreSQLIntegrationTest;
+import org.hibernate.annotations.Type;
+import org.junit.Test;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Inheritance;
+import javax.persistence.InheritanceType;
+
+public class PostgreSQLJsonBinaryTypeUnionTest extends AbstractPostgreSQLIntegrationTest {
+
+    @Override
+    protected Class<?>[] entities() {
+        return new Class[] {
+                Base.class,
+                Sub1.class,
+                Sub2.class
+        };
+    }
+
+    @Test
+    public void testUnionFetch() {
+        doInJPA(em -> {
+            em.createQuery("SELECT a FROM Base a", Base.class).getResultList();
+        });
+    }
+
+    @Entity(name = "Base")
+    @Inheritance(strategy = InheritanceType.TABLE_PER_CLASS)
+    public static abstract class Base extends BaseEntity {
+
+    }
+
+    @Entity
+    public static abstract class Sub1 extends Base {
+
+        @Type(type = "jsonb")
+        @Column(columnDefinition = "jsonb")
+        private Location location;
+
+        public Location getLocation() {
+            return location;
+        }
+
+        public void setLocation(Location location) {
+            this.location = location;
+        }
+
+    }
+
+    @Entity
+    public static abstract class Sub2 extends Base {}
+
+}