Fix: Create empty physical tables for fully annotated self-referential models

Author: izeigerman

sqlmesh/core/snapshot/evaluator.py

@@ -750,7 +750,7 @@ def _evaluate_snapshot(
                     model.kind.is_materialized
                     and model.columns_to_types_
                     and columns_to_types_all_known(model.columns_to_types_)
-                )
+                ) or (model.depends_on_self and model.annotated)
                 if self._can_clone(snapshot, deployability_index):
                     self._clone_snapshot_in_dev(
                         snapshot=snapshot,

tests/core/test_integration.py

@@ -980,6 +980,32 @@ def test_new_forward_only_model(init_and_plan_context: t.Callable):
     assert context.engine_adapter.table_exists(snapshot.table_name(is_deployable=False))
 
 
+@time_machine.travel("2023-01-08 00:00:00 UTC")
+def test_annotated_self_referential_model(init_and_plan_context: t.Callable):
+    context, _ = init_and_plan_context("examples/sushi")
+
+    # Projections are fully annotated in the query but columns were not specified explicitly
+    expressions = d.parse(
+        f"""
+        MODEL (
+            name memory.sushi.test_self_ref,
+            kind FULL,
+            start '2023-01-01',
+        );
+
+        SELECT 1::INT AS one FROM memory.sushi.test_self_ref;
+        """
+    )
+    model = load_sql_based_model(expressions)
+    assert model.depends_on_self
+    context.upsert_model(model)
+
+    context.plan("prod", skip_tests=True, no_prompts=True, auto_apply=True)
+
+    df = context.fetchdf("SELECT one FROM memory.sushi.test_self_ref")
+    assert len(df) == 0
+
+
 @time_machine.travel("2023-01-08 15:00:00 UTC")
 def test_plan_set_choice_is_reflected_in_missing_intervals(init_and_plan_context: t.Callable):
     context, _ = init_and_plan_context("examples/sushi")