GRAILS-8482 - Fix derived properties defined in subclass

Author: jeffscottbrown

grails-hibernate/src/main/groovy/org/codehaus/groovy/grails/orm/hibernate/cfg/GrailsDomainBinder.java

@@ -1408,6 +1408,9 @@ private static void bindSubClass(GrailsDomainClass sub, PersistentClass parent,
             // to perform polymorphic queries
             Mapping subMapping = getMapping(sub);
             subClass.setDiscriminatorValue(subMapping != null && subMapping.getDiscriminator() != null ? subMapping.getDiscriminator() : sub.getFullName());
+            if(subMapping != null) {
+                configureDerivedProperties(sub, subMapping);
+            }
         }
 
         subClass.setEntityName(sub.getFullName());

grails-test-suite-persistence/src/test/groovy/org/codehaus/groovy/grails/orm/hibernate/DerivedPropertiesTests.groovy

@@ -26,6 +26,20 @@ class ClassWithConstrainedDerivedProperty {
         numberTwo max: 10
     }
 }
+
+@Entity
+class AbstractBaseClass {
+    String one
+    String two
+}
+
+@Entity
+class SubClass extends AbstractBaseClass {
+    String three
+    static mapping = {
+        three formula: 'CONCAT(one, two)'
+    }
+}
 '''
     }
 
@@ -35,6 +49,12 @@ class ClassWithConstrainedDerivedProperty {
     protected void onTearDown() {
     }
 
+    void testDerivedPropertyDefinedInSubclassIsNotConstrained() {
+        def mdc = ga.getDomainClass('SubClass')
+        def mc = mdc.clazz
+        assertFalse 'three should not have been constrained', mdc.constrainedProperties.containsKey('three')
+    }
+    
     void testDerivedPropertiesCannotBeMadeValidateable() {
 
         def myDomainClass = ga.getDomainClass('ClassWithConstrainedDerivedProperty')