Fix parent scope resolution in projection pushdown optimization

vega / vegafusion

Serverside scaling for Vega and Altair visualizations

https://vegafusion.io

BSD 3-Clause "New" or "Revised" License

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Fix parent scope resolution in projection pushdown optimization #464

Closed jonmmease closed 7 months ago

jonmmease commented 7 months ago

The issue reported in #463 is due to an error in dataset resolution in the projection pushdown planner. Essentially, projection pushdown was associating the columns used by the nested data_0 dataset with those used by the top-level data_0 dataset.