feat(planner): Add feature config for PushPartialAggregationThroughJoin

[aaneja]

Description, Motivation and Context

Adds a feature config for PushPartialAggregationThroughJoin; only a session property exists for it at the moment

Test Plan

CI

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[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds a configurable feature flag for pushing partial aggregations through joins and wires it into both FeaturesConfig and SystemSessionProperties, with corresponding defaults and property-mapping tests.

Class diagram for new PushPartialAggregationThroughJoin feature config

classDiagram
    class FeaturesConfig {
        - boolean pushAggregationThroughJoin
        - boolean pushPartialAggregationThroughJoin
        + boolean isPushAggregationThroughJoin()
        + FeaturesConfig setPushAggregationThroughJoin(boolean value)
        + boolean isPushPartialAggregationThroughJoin()
        + FeaturesConfig setPushPartialAggregationThroughJoin(boolean pushPartialAggregationThroughJoin)
    }

    class SystemSessionProperties {
        + SystemSessionProperties(FeaturesConfig featuresConfig)
        + void booleanProperty(String name, String description, boolean defaultValue, boolean hidden)
    }

    FeaturesConfig <.. SystemSessionProperties : uses

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Flow diagram for resolving push partial aggregation through join config

flowchart LR
    A[Config file or default values] --> B[FeaturesConfig.setPushPartialAggregationThroughJoin]
    B --> C[FeaturesConfig.pushPartialAggregationThroughJoin]
    C --> D[SystemSessionProperties constructor]
    D --> E[booleanProperty for PUSH_PARTIAL_AGGREGATION_THROUGH_JOIN]
    E --> F[Session property default for push partial aggregation through join]

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File-Level Changes

Change	Details	Files
Introduce FeaturesConfig flag and configuration binding for pushing partial aggregations through joins	Add pushPartialAggregationThroughJoin boolean field to FeaturesConfig with default false Expose getter and @Config/@ConfigDescription-annotated setter for the new flag with key optimizer.push-partial-aggregation-through-join Ensure setter returns FeaturesConfig for fluent configuration	presto-main-base/src/main/java/com/facebook/presto/sql/analyzer/FeaturesConfig.java
Update configuration tests to cover new optimizer.push-partial-aggregation-through-join property	Extend default FeaturesConfig expectations to include pushPartialAggregationThroughJoin defaulting to false Add explicit property mapping for optimizer.push-partial-aggregation-through-join=true Update expected FeaturesConfig instance in explicit mapping test to set pushPartialAggregationThroughJoin(true)	presto-main-base/src/test/java/com/facebook/presto/sql/analyzer/TestFeaturesConfig.java
Wire session property default to the new FeaturesConfig flag	Change PUSH_PARTIAL_AGGREGATION_THROUGH_JOIN session property default from hardcoded false to featuresConfig.isPushPartialAggregationThroughJoin()	presto-main-base/src/main/java/com/facebook/presto/SystemSessionProperties.java

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[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

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[steveburnett]

Please add documentation for the new configuration property.

[steveburnett]

LGTM! (docs)

Pull branch, local doc build, looks good. Thanks!

[aditi-pandit]

Thanks @aaneja