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[Spark] Unbackfill conflict resolution fix - #5220

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OussamaSaoudi merged 2 commits into
delta-io:masterfrom
andreaschat-db:dropRowTrackingUnbackfillConflictFix
Sep 24, 2025
Merged

OussamaSaoudi merged 2 commits into
delta-io:masterfrom
andreaschat-db:dropRowTrackingUnbackfillConflictFix

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@andreaschat-db

@andreaschat-db andreaschat-db commented Sep 17, 2025 •

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Which Delta project/connector is this regarding?

  • Spark
  • Standalone
  • Flink
  • Kernel
  • Other (fill in here)

Description

This PR fixes a bug where conflict resolution between a business transaction and an unbackfill transaction would produce a conflict. Furthermore, it adds concurrency tests for Row Tracking removal.

How was this patch tested?

Added new suite.

Does this PR introduce any user-facing changes?

No.

@tomvanbussel tomvanbussel left a comment

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LGTM! Thank you for fixing this.

@OussamaSaoudi
OussamaSaoudi merged commit 8abf4ac into delta-io:master Sep 24, 2025
27 checks passed
huashi-st pushed a commit to huashi-st/delta that referenced this pull request Apr 24, 2026
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#### Which Delta project/connector is this regarding?
<!--
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request title
For example: [Spark] Title of my pull request
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- [x] Spark
- [ ] Standalone
- [ ] Flink
- [ ] Kernel
- [ ] Other (fill in here)

## Description

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This PR fixes a bug where conflict resolution between a business
transaction and an unbackfill transaction would produce a conflict.
Furthermore, it adds concurrency tests for Row Tracking removal.

## How was this patch tested?

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clarify how you tested step by step (ideally copy and paste-able, so
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Added new suite.

## Does this PR introduce _any_ user-facing changes?

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No.
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3 participants