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Revert "Merge pull request #93542 from scanhex12/multistage_prewhere"#95496

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Revert "Merge pull request #93542 from scanhex12/multistage_prewhere"#95496
alexey-milovidov merged 1 commit intomasterfrom
revert-multistage-prewhere-parquet

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@alexey-milovidov alexey-milovidov commented Jan 29, 2026

This reverts #93542

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clickhouse-gh bot commented Jan 29, 2026 •
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Workflow [PR], commit [aa64950]

Summary: ❌

job_name test_name status info comment
Stress test (amd_ubsan) failure
Logical error: Block structure mismatch in A stream: different number of columns: (STID: 0993-38e6) FAIL cidb, issue
AST fuzzer (amd_debug) failure
Received signal 6 (STID: None) FAIL cidb

@clickhouse-gh clickhouse-gh bot added the pr-not-for-changelog This PR should not be mentioned in the changelog label Jan 29, 2026
@alexey-milovidov alexey-milovidov added blocker This issue / pr blocks a new release v26.1-must-backport labels Jan 29, 2026
@Algunenano Algunenano self-assigned this Jan 29, 2026
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Algunenano approved these changes Jan 29, 2026
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For context: This is reverted due to crashes and slow downs

@alexey-milovidov alexey-milovidov merged commit 0ca9499 into master Jan 29, 2026
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@alexey-milovidov alexey-milovidov deleted the revert-multistage-prewhere-parquet branch January 29, 2026 17:12
@robot-ch-test-poll2 robot-ch-test-poll2 added the pr-must-backport-synced The `*-must-backport` labels are synced into the cloud Sync PR label Jan 29, 2026
@robot-ch-test-poll4 robot-ch-test-poll4 mentioned this pull request Jan 29, 2026
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robot-ch-test-poll4 added a commit that referenced this pull request Jan 29, 2026
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Merge pull request #95557 from ClickHouse/cherrypick/26.1/95496
126fb12 
Cherry pick #95496 to 26.1: Revert "Merge pull request #93542 from scanhex12/multistage_prewhere"
robot-clickhouse added a commit that referenced this pull request Jan 29, 2026
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Backport #95496 to 26.1: Revert "Merge pull request #93542 from scanh…
3ec6ce6 
…ex12/multistage_prewhere"
@robot-ch-test-poll4 robot-ch-test-poll4 mentioned this pull request Jan 29, 2026
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@robot-clickhouse robot-clickhouse added the pr-synced-to-cloud The PR is synced to the cloud repo label Jan 29, 2026
@robot-ch-test-poll2 robot-ch-test-poll2 added the pr-backports-created Backport PRs are successfully created, it won't be processed by CI script anymore label Jan 29, 2026
@scanhex12 scanhex12 mentioned this pull request Jan 29, 2026
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clickhouse-gh bot added a commit that referenced this pull request Jan 29, 2026
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Merge pull request #95558 from ClickHouse/backport/26.1/95496
4c47e68 
Backport #95496 to 26.1: Revert "Merge pull request #93542 from scanhex12/multistage_prewhere"
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blocker This issue / pr blocks a new release pr-backports-created Backport PRs are successfully created, it won't be processed by CI script anymore pr-must-backport-synced The `*-must-backport` labels are synced into the cloud Sync PR pr-not-for-changelog This PR should not be mentioned in the changelog pr-synced-to-cloud The PR is synced to the cloud repo v26.1-must-backport

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