[Backport 1.6.latest] Support null coalescing properties for metric nodes (#8700) #8773
+51
−185
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resolves #8593
THIS IS A BACKPORT OF #8700
Problem
MetricFlow is adding support for null value coalescing (dbt-labs/metricflow#759). In order to use that, dbt-core needs to support the related properties
Solution
Add the properties join_to_timespine and fill_nulls_with (as defined in the related MF and DSI issues: dbt-labs/metricflow#759, dbt-labs/dbt-semantic-interfaces#142) to the metric node definition.
Checklist