ruthst00 commented on code in PR #16573:
URL: https://github.com/apache/grails-core/pull/16573#discussion_r4340126539


##########
grails-data-hibernate7/core/src/main/groovy/org/grails/orm/hibernate/query/ExpressionResolver.java:
##########
@@ -112,7 +112,13 @@ private Expression<?> resolveFromAlias(String alias, 
String subPath) {
         if (aliasRegistry.isDefined(alias)) {
             HibernateAlias def = aliasRegistry.getDefinition(alias);
             if (def != null && def.path() != null) {
-                aliased = joinTracker.getRoot().join(def.path(), 
def.joinType());
+                // The association criteria and its alias must refer to the 
same physical join,
+                // regardless of whether a predicate, projection or order 
resolves it first.
+                aliased = joinTracker.getJoin(def.path());

Review Comment:
   Fixed in 
https://github.com/apache/grails-core/pull/16573/changes/69b2726dae41b3d6f514c9c59f4ad349d8532907



##########
grails-data-hibernate7/core/src/main/groovy/org/grails/orm/hibernate/query/ExpressionResolver.java:
##########
@@ -112,7 +112,13 @@ private Expression<?> resolveFromAlias(String alias, 
String subPath) {
         if (aliasRegistry.isDefined(alias)) {
             HibernateAlias def = aliasRegistry.getDefinition(alias);
             if (def != null && def.path() != null) {
-                aliased = joinTracker.getRoot().join(def.path(), 
def.joinType());
+                // The association criteria and its alias must refer to the 
same physical join,
+                // regardless of whether a predicate, projection or order 
resolves it first.
+                aliased = joinTracker.getJoin(def.path());
+                if (aliased == null) {
+                    aliased = joinTracker.getRoot().join(def.path(), 
def.joinType());
+                    joinTracker.addJoin(def.path(), (From<?, ?>) aliased);

Review Comment:
   Fixed in 
https://github.com/apache/grails-core/pull/16573/changes/69b2726dae41b3d6f514c9c59f4ad349d8532907



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