It's a duplicate problem of CORE-3611.

I commented in that ticket: I'm fixing this only in 3.0 cause I'm not very sure of unintended regressions.

Anyone could review the fix?

Patch for 2.5 is attached.


Adriano

diff --git a/src/dsql/pass1.cpp b/src/dsql/pass1.cpp
index fa6d6eb..c948c1d 100644
--- a/src/dsql/pass1.cpp
+++ b/src/dsql/pass1.cpp
@@ -3339,9 +3339,9 @@ static bool node_match(const dsql_nod* node1, const 
dsql_nod* node2,
        {
                if ((node1->nod_type == nod_derived_field) && (node2->nod_type 
== nod_derived_field))
                {
-                       const USHORT scope_level1 = 
(USHORT)(U_IPTR)node1->nod_arg[e_derived_field_scope];
-                       const USHORT scope_level2 = 
(USHORT)(U_IPTR)node2->nod_arg[e_derived_field_scope];
-                       if (scope_level1 != scope_level2)
+                       const dsql_nod* context1 = 
node1->nod_arg[e_derived_field_context];
+                       const dsql_nod* context2 = 
node2->nod_arg[e_derived_field_context];
+                       if (context1 != context2)
                                return false;
 
                        const dsql_str* alias1 = (dsql_str*) 
node1->nod_arg[e_derived_field_name];
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