feat: support SQL aggregate FILTER (WHERE ...) clause in native execution#3835

Merged

comphead merged 11 commits intoapache:mainfrom

viirya:feat-aggregate-filter

Mar 30, 2026

Commits on Mar 29, 2026

feat: implement opt_filter support in SumInt and SumDecimal group accumulators

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test: add SQL tests for aggregate FILTER (WHERE ...) clause

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feat: support SQL aggregate FILTER (WHERE ...) clause in native execution

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style: fix rustfmt formatting in sum_int and sum_decimal

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fix: use as_ref() instead of as_deref() for Option<Expr> filter field

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fix: remove unused num_agg variable in planner

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fix: disable Comet for aggregates_part3.sql due to float precision difference

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feat: support FILTER clause for AVG aggregate

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test: remove AVG(decimal) FILTER test due to cast incompatibility

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test: add AVG(decimal) FILTER tests with allowIncompatible=true

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fix: use spark_answer_only for AVG(decimal) FILTER tests to avoid cast fallback

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