Merge pull request #362 from alexsubota/apply-query-settings-for-empt…

…y-model

Apply query settings for empty table model

dbt/include/clickhouse/macros/materializations/table.sql

@@ -203,6 +203,7 @@
             {{ sql }}
           )
         {%- endif %}
+        {{ adapter.get_model_query_settings(model) }}
     {%- endif %}
 
 {%- endmacro %}

tests/integration/adapter/query_settings/test_query_settings.py

@@ -0,0 +1,65 @@
+import pytest
+from dbt.tests.util import run_dbt
+
+nullable_column_model = """
+{{
+    config(
+        materialized='table',
+        query_settings={
+            'join_use_nulls': 1
+        }
+    )
+}}
+select t2.id as test_id
+from (select 1 as id) t1
+         left join (select 2 as id) t2
+on t1.id=t2.id
+"""
+
+
+class TestNullableColumnJoin:
+    @pytest.fixture(scope="class")
+    def models(self):
+        return {
+            "nullable_column_model.sql": nullable_column_model,
+        }
+
+    def test_nullable_column_join(self, project):
+        run_dbt(["run", "--select", "nullable_column_model"])
+        result = project.run_sql(
+            "select isNullable(test_id) as is_nullable_column from nullable_column_model",
+            fetch="one",
+        )
+        assert result[0] == 1
+
+
+not_nullable_column_model = """
+{{
+    config(
+        materialized='table',
+        query_settings={
+            'join_use_nulls': 0
+        }
+    )
+}}
+select t2.id as test_id
+from (select 1 as id) t1
+         left join (select 2 as id) t2
+on t1.id=t2.id
+"""
+
+
+class TestNotNullableColumnJoin:
+    @pytest.fixture(scope="class")
+    def models(self):
+        return {
+            "not_nullable_column_model.sql": not_nullable_column_model,
+        }
+
+    def test_nullable_column_join(self, project):
+        run_dbt(["run", "--select", "not_nullable_column_model"])
+        result = project.run_sql(
+            "select isNullable(test_id) as is_nullable_column from not_nullable_column_model",
+            fetch="one",
+        )
+        assert result[0] == 0