#2349 Generate explicit column names for audited properties

This is necessary to overcome the inability to use underscore characters
in property names (due to specifics of mapping property names to
database column names).

platform-dao/src/main/java/ua/com/fielden/platform/audit/AnnotationSpecs.java

@@ -3,6 +3,7 @@
 import com.squareup.javapoet.AnnotationSpec;
 import ua.com.fielden.platform.entity.AbstractEntity;
 import ua.com.fielden.platform.entity.annotation.CompositeKeyMember;
+import ua.com.fielden.platform.entity.annotation.MapTo;
 import ua.com.fielden.platform.entity.annotation.Title;
 import ua.com.fielden.platform.utils.Pair;
 
@@ -37,6 +38,12 @@ public static AnnotationSpec title(final CharSequence title) {
                 .build();
     }
 
+    public static AnnotationSpec mapTo(final CharSequence value) {
+        return AnnotationSpec.builder(MapTo.class)
+                .addMember("value", "$S", value.toString())
+                .build();
+    }
+
     private AnnotationSpecs() {}
 
 }

platform-dao/src/main/java/ua/com/fielden/platform/audit/AuditEntityGeneratorImpl.java

@@ -136,7 +136,7 @@ private void generateAuditEntity(
                 .map(PropertyMetadata::asPersistent).flatMap(Optional::stream)
                 .filter(AuditEntityGeneratorImpl::isAudited)
                 .map(pm -> propertyBuilder("a3t_" + pm.name(), pm.type().javaType())
-                        .addAnnotation(javaPoet.getAnnotation(MapTo.class))
+                        .addAnnotation(AnnotationSpecs.mapTo((A3T + "_" + pm.name()).toUpperCase()))
                         .addAnnotation(javaPoet.getAnnotation(Final.class))
                         .build())
                 .forEach(a3tBuilder::addProperty);