feat(contrib): introduce contrib extension SPI#4339

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schenksj wants to merge 27 commits into

apache:mainfrom

schenksj:comet-contrib-spi

Commits on May 14, 2026

feat(contrib): add ContribOp proto envelope + Rust planner registry SPI

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feat(contrib): wire OpStruct::ContribOp dispatcher in native planner

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feat(contrib): add Scala extension SPI under org.apache.comet.spi

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feat(contrib): wire CometScanRule + CometExecRule to SPI registry

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feat(contrib): call CometExtensionRegistry.load() at extension install

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feat(contrib): SPI crate split + worked example contrib (PR1.7 part 1)

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feat(contrib): JVM half of contrib/example reference module

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docs(contrib): add contributor guide for authoring contribs

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feat(contrib): SPI refinements from Delta-port confidence check

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feat(contrib): ContribPlannerContext + ParquetDatasourceParams (SPI gap #4)

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feat(contrib): review-fix pass (B1-B6, I1-I10, nits, doc updates)

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feat(contrib): second-pass review fixes (R1-R7, N-NEW-1/2/7)

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feat(contrib): third-pass review fixes (R-NEW-1/2, N1-N8)

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feat(contrib): fourth-pass polish (F1-F6)

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docs(contrib): comprehensive contributor-guide rewrite

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docs(contrib): second-pass review fixes for contributor guide

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Commits on May 15, 2026

Commits on May 16, 2026