Fix a weird computable/alias interaction (#3828)

edgedb · May 9, 2022 · d90652f · d90652f
1 parent a5310df
commit d90652f
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diff --git a/edb/edgeql/compiler/setgen.py b/edb/edgeql/compiler/setgen.py
@@ -831,7 +831,7 @@ def _is_computable_ptr(
         return qlexpr is not None
 
     return (
-        ptrcls.is_pure_computable(ctx.env.schema)
+        bool(ptrcls.get_expr(ctx.env.schema))
         or is_injected_computable_ptr(ptrcls, ctx=ctx)
     )
 

diff --git a/tests/test_edgeql_ddl.py b/tests/test_edgeql_ddl.py
@@ -13090,6 +13090,14 @@ async def test_edgeql_ddl_no_type_intro_in_default(self):
                 };
             """)
 
+    async def test_edgeql_ddl_computed_and_alias(self):
+        await self.con.execute(r"""
+            create type Tgt;
+            create type X { create link foo -> Tgt };
+            create alias Y := X { foo: {id} };
+            alter type X { create link bar := .foo };
+        """)
+
 
 class TestConsecutiveMigrations(tb.DDLTestCase):
     TRANSACTION_ISOLATION = False