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apache / datafusion Public

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feat: Add memory-limited execution for NestedLoopJoinExec#21448

Merged

viirya merged 6 commits intoapache:mainapache/datafusion:mainfrom

viirya:nlj-memory-limited-executionviirya/arrow-datafusion:nlj-memory-limited-executionCopy head branch name to clipboard

Apr 14, 2026

Conversation Commits6 (6)Checks Files changed

Merged

feat: Add memory-limited execution for NestedLoopJoinExec#21448
viirya merged 6 commits intoapache:mainfrom
viirya:nlj-memory-limited-execution

Commits

Commits on Apr 14, 2026

feat: Add memory-limited execution for NestedLoopJoinExec (Phase 1)
viirya
committed
fix: Exclude RIGHT/FULL joins from memory-limited NLJ path
viirya
committed
refactor: Try in-memory first, fallback to spill on OOM
viirya
committed
refactor: Remove left_stashed_batch, push directly to pending
viirya
committed
fix: Flush output buffer before transitioning between chunks
viirya
committed
test: Add NLJ spill e2e sqllogictest
viirya
committed

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