updated comments

metricflow/specs/where_filter_dimension.py

@@ -49,11 +49,11 @@ def grain(self, time_granularity_name: str) -> QueryInterfaceDimension:
 
     def date_part(self, _date_part: str) -> QueryInterfaceDimension:
         """The date_part requested to extract."""
-        raise InvalidQuerySyntax("date_part isn't currently supported in the where parameter and filter spec")
+        raise InvalidQuerySyntax("date_part isn't currently supported in the where parameter")
 
     def descending(self, _is_descending: bool) -> QueryInterfaceDimension:
         """Set the sort order for order-by."""
-        raise InvalidQuerySyntax("descending is invalid in the where parameter and filter spec")
+        raise InvalidQuerySyntax("descending is invalid in the where parameter")
 
     def __str__(self) -> str:
         """Returns the column name.

metricflow/specs/where_filter_transform.py

@@ -34,8 +34,8 @@ def create_from_where_filter(self, where_filter: WhereFilter) -> WhereFilterSpec
         # Used to check that call parameter sets generated by DSI match those generated below.
         call_parameter_sets = where_filter.call_parameter_sets
 
-        time_dimension_factory = WhereFilterTimeDimensionFactory(call_parameter_sets, self._column_association_resolver)
         dimension_factory = WhereFilterDimensionFactory(call_parameter_sets, self._column_association_resolver)
+        time_dimension_factory = WhereFilterTimeDimensionFactory(call_parameter_sets, self._column_association_resolver)
         entity_factory = WhereFilterEntityFactory(call_parameter_sets, self._column_association_resolver)
         try:
             rendered_sql_template = jinja2.Template(
@@ -52,6 +52,10 @@ def create_from_where_filter(self, where_filter: WhereFilter) -> WhereFilterSpec
                 f"Error while rendering Jinja template:\n{where_filter.where_sql_template}"
             ) from e
 
+        """
+        Dimensions that are created with a grain parameter, Dimension(...).grain(...), are
+        added to dimension_specs otherwise they are add to time_dimension_factory.time_dimension_specs
+        """
         dimension_specs = []
         for dimension in dimension_factory.created:
             if dimension.time_dimension_spec: