Simplify JoinToTimeSpineNode
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courtneyholcomb
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Nov 21, 2024
| @@ -322,54 +323,54 @@ def _make_time_spine_data_set( | |||
| """ | |||
| time_spine_table_alias = self._next_unique_table_alias() | |||
|
|
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| agg_time_dimension_specs = {instance.spec for instance in agg_time_dimension_instances} | |||
| queried_specs = {instance.spec for instance in agg_time_dimension_instances} | |||
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Renamed to differentiate more clearly from required_specs.
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courtneyholcomb
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| @@ -19,8 +19,8 @@ FROM ( | |||
| FROM ( | |||
| -- Join to Time Spine Dataset | |||
| SELECT | |||
| DATE_TRUNC('month', subq_12.ds) AS metric_time__month | |||
| , subq_10.metric_time__day AS metric_time__day | |||
| subq_12.ds AS metric_time__day | |||
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Here you can see we are now pulling the join column from the time spine, where in the last PR we were not.
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It is no longer used.
The biggest change in this commit is to remove all logic related to building select columns from visit_join_to_time_spine_node(). This logic was duplicated in _make_time_spine_data_set(). That logic is now consolidated to _make_time_spine_data_set(). This is laying the foundation for a change coming up the stack, which will replace _make_time_spine_data_set() with its own node in the DataflowPlan. There is also some other cleanup in this commit because to make visit_join_to_time_spine_node() simpler and more readable.
This sorting was not commprehensive and resulted in inconsistent snapshots. Removed the custom sorting here and retained the original order, instead.
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A bunch of cleanup in the dataflow to SQL logic for the
JoinToTimeSpineNode. There was a lot of duplication and hard to read code here.Notes: