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feat(contrib): introduce contrib extension SPI
- #4339
#4339
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schenksj
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apache/datafusion-comet:main
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feat(contrib): introduce contrib extension SPI
#4339
schenksj
wants to merge 28 commits into
apache:main
apache/datafusion-comet:main
from
schenksj:comet-contrib-spi
schenksj/datafusion-comet:comet-contrib-spi
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Commits
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
refactor(contrib): bundle JVM half into comet-spark, matching native model
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refactor(contrib): deps-only pom per contrib + ArcSwap registry
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docs(contrib): rewrite PR1-description.md to reflect current architecture
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Merge branch 'main' into comet-contrib-spi
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chore: gitignore PR1-description.md and untrack from history-forward
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feat(contrib): SPI surface additions for contribs that need core helpers
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feat(contrib): partition-metadata SPI hook + matchOperator marker dispatch
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revert: matchOperator dispatch for contrib markers
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feat(contrib): restore matchOperator dispatch for contrib markers
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Commits on May 16, 2026
feat(contrib): make PlanDataInjector contrib-registrable
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fix(contrib): treat any leaf CometNativeExec as a foreachUntilCometInput boundary
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feat(contrib): PlanDataSource trait for contrib leaf scans
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