SQL tests for dimension-only sub-daily queries

tests_metricflow/integration/test_cases/itest_dimensions.yaml

@@ -394,3 +394,10 @@ integration_test:
     FROM {{ source_schema }}.dim_users
     GROUP BY
       {{ render_date_trunc("bio_added_ts", TimeGranularity.SECOND) }}
+
+# - [ ] nanosecond - will need to skip for some engines
+# - [ ] millisecond - will need to skip for some engines
+# - [ ] microsecond
+# - [ ] second
+# - [ ] minute
+# - [x] hour

tests_metricflow/query_rendering/test_granularity_date_part_rendering.py

@@ -8,10 +8,12 @@
 
 import pytest
 from _pytest.fixtures import FixtureRequest
+from dbt_semantic_interfaces.references import EntityReference
 from dbt_semantic_interfaces.type_enums.date_part import DatePart
 from dbt_semantic_interfaces.type_enums.time_granularity import TimeGranularity
 from metricflow_semantics.specs.metric_spec import MetricSpec
 from metricflow_semantics.specs.query_spec import MetricFlowQuerySpec
+from metricflow_semantics.specs.time_dimension_spec import TimeDimensionSpec
 from metricflow_semantics.test_helpers.config_helpers import MetricFlowTestConfiguration
 
 from metricflow.dataflow.builder.dataflow_plan_builder import DataflowPlanBuilder
@@ -99,3 +101,53 @@ def test_offset_window_with_date_part(  # noqa: D103
         dataflow_plan_builder=dataflow_plan_builder,
         query_spec=query_spec,
     )
+
+
+@pytest.mark.sql_engine_snapshot
+def test_sub_daily_metric_time(  # noqa: D103
+    request: FixtureRequest,
+    mf_test_configuration: MetricFlowTestConfiguration,
+    dataflow_plan_builder: DataflowPlanBuilder,
+    dataflow_to_sql_converter: DataflowToSqlQueryPlanConverter,
+    sql_client: SqlClient,
+) -> None:
+    query_spec = MetricFlowQuerySpec(
+        time_dimension_specs=(DataSet.metric_time_dimension_spec(time_granularity=TimeGranularity.SECOND),),
+    )
+
+    render_and_check(
+        request=request,
+        mf_test_configuration=mf_test_configuration,
+        dataflow_to_sql_converter=dataflow_to_sql_converter,
+        sql_client=sql_client,
+        dataflow_plan_builder=dataflow_plan_builder,
+        query_spec=query_spec,
+    )
+
+
+@pytest.mark.sql_engine_snapshot
+def test_sub_daily_dimension(  # noqa: D103
+    request: FixtureRequest,
+    mf_test_configuration: MetricFlowTestConfiguration,
+    dataflow_plan_builder: DataflowPlanBuilder,
+    dataflow_to_sql_converter: DataflowToSqlQueryPlanConverter,
+    sql_client: SqlClient,
+) -> None:
+    query_spec = MetricFlowQuerySpec(
+        time_dimension_specs=(
+            TimeDimensionSpec(
+                element_name="bio_added_ts",
+                time_granularity=TimeGranularity.DAY,
+                entity_links=(EntityReference("booking"),),
+            ),
+        ),
+    )
+
+    render_and_check(
+        request=request,
+        mf_test_configuration=mf_test_configuration,
+        dataflow_to_sql_converter=dataflow_to_sql_converter,
+        sql_client=sql_client,
+        dataflow_plan_builder=dataflow_plan_builder,
+        query_spec=query_spec,
+    )

tests_metricflow/snapshots/test_granularity_date_part_rendering.py/SqlQueryPlan/DuckDB/test_sub_daily_metric_time__plan0.sql

@@ -0,0 +1,59 @@
+-- Pass Only Elements: ['metric_time__millisecond',]
+SELECT
+  subq_1.metric_time__millisecond
+FROM (
+  -- Metric Time Dimension 'ts'
+  SELECT
+    subq_0.ts__millisecond
+    , subq_0.ts__second
+    , subq_0.ts__minute
+    , subq_0.ts__hour
+    , subq_0.ts__day
+    , subq_0.ts__week
+    , subq_0.ts__month
+    , subq_0.ts__quarter
+    , subq_0.ts__year
+    , subq_0.ts__extract_year
+    , subq_0.ts__extract_quarter
+    , subq_0.ts__extract_month
+    , subq_0.ts__extract_day
+    , subq_0.ts__extract_dow
+    , subq_0.ts__extract_doy
+    , subq_0.ts__millisecond AS metric_time__millisecond
+    , subq_0.ts__second AS metric_time__second
+    , subq_0.ts__minute AS metric_time__minute
+    , subq_0.ts__hour AS metric_time__hour
+    , subq_0.ts__day AS metric_time__day
+    , subq_0.ts__week AS metric_time__week
+    , subq_0.ts__month AS metric_time__month
+    , subq_0.ts__quarter AS metric_time__quarter
+    , subq_0.ts__year AS metric_time__year
+    , subq_0.ts__extract_year AS metric_time__extract_year
+    , subq_0.ts__extract_quarter AS metric_time__extract_quarter
+    , subq_0.ts__extract_month AS metric_time__extract_month
+    , subq_0.ts__extract_day AS metric_time__extract_day
+    , subq_0.ts__extract_dow AS metric_time__extract_dow
+    , subq_0.ts__extract_doy AS metric_time__extract_doy
+  FROM (
+    -- Time Spine
+    SELECT
+      DATE_TRUNC('millisecond', time_spine_src_28002.ts) AS ts__millisecond
+      , DATE_TRUNC('second', time_spine_src_28002.ts) AS ts__second
+      , DATE_TRUNC('minute', time_spine_src_28002.ts) AS ts__minute
+      , DATE_TRUNC('hour', time_spine_src_28002.ts) AS ts__hour
+      , DATE_TRUNC('day', time_spine_src_28002.ts) AS ts__day
+      , DATE_TRUNC('week', time_spine_src_28002.ts) AS ts__week
+      , DATE_TRUNC('month', time_spine_src_28002.ts) AS ts__month
+      , DATE_TRUNC('quarter', time_spine_src_28002.ts) AS ts__quarter
+      , DATE_TRUNC('year', time_spine_src_28002.ts) AS ts__year
+      , EXTRACT(year FROM time_spine_src_28002.ts) AS ts__extract_year
+      , EXTRACT(quarter FROM time_spine_src_28002.ts) AS ts__extract_quarter
+      , EXTRACT(month FROM time_spine_src_28002.ts) AS ts__extract_month
+      , EXTRACT(day FROM time_spine_src_28002.ts) AS ts__extract_day
+      , EXTRACT(isodow FROM time_spine_src_28002.ts) AS ts__extract_dow
+      , EXTRACT(doy FROM time_spine_src_28002.ts) AS ts__extract_doy
+    FROM ***************************.mf_time_spine_millisecond time_spine_src_28002
+  ) subq_0
+) subq_1
+GROUP BY
+  subq_1.metric_time__millisecond

tests_metricflow/snapshots/test_granularity_date_part_rendering.py/SqlQueryPlan/DuckDB/test_sub_daily_metric_time__plan0_optimized.sql

@@ -0,0 +1,8 @@
+-- Time Spine
+-- Metric Time Dimension 'ts'
+-- Pass Only Elements: ['metric_time__millisecond',]
+SELECT
+  DATE_TRUNC('millisecond', ts) AS metric_time__millisecond
+FROM ***************************.mf_time_spine_millisecond time_spine_src_28002
+GROUP BY
+  DATE_TRUNC('millisecond', ts)