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enable prewhere for iceberg#95476

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alexey-milovidov merged 5 commits intoClickHouse:masterfrom
scanhex12:enable_prewhere_for_iceberg
Jan 30, 2026
Merged

enable prewhere for iceberg#95476
alexey-milovidov merged 5 commits intoClickHouse:masterfrom
scanhex12:enable_prewhere_for_iceberg

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@scanhex12 scanhex12 commented Jan 28, 2026

useful for #95565

Changelog category (leave one):

  • Improvement

Changelog entry (a user-readable short description of the changes that goes into CHANGELOG.md):

Enable PREWHERE optimization for Iceberg tables.

Documentation entry for user-facing changes

  • Documentation is written (mandatory for new features)

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clickhouse-gh bot commented Jan 28, 2026

Workflow [PR], commit [5d4b8e2]

Summary:

job_name test_name status info comment
Stateless tests (amd_tsan, sequential, 2/2) failure
01076_parallel_alter_replicated_zookeeper FAIL cidb
ThreadSanitizer (STID: 1805-4445) FAIL cidb
Stress test (amd_msan) failure
Logical error: Block structure mismatch in A stream: different number of columns: (STID: 0993-38e6) FAIL cidb, issue
Stateless tests (amd_binary, old analyzer, s3 storage, DatabaseReplicated, parallel) error

@clickhouse-gh clickhouse-gh bot added the pr-improvement Pull request with some product improvements label Jan 28, 2026
@scanhex12 scanhex12 force-pushed the enable_prewhere_for_iceberg branch from ec6cd58 to a467763 Compare January 29, 2026 01:28
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Tests plz

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But if tests are too hard to write, just go ahead.

@alexey-milovidov alexey-milovidov self-assigned this Jan 30, 2026
@alexey-milovidov alexey-milovidov merged commit fc8dd4c into ClickHouse:master Jan 30, 2026
129 of 134 checks passed
@robot-ch-test-poll4 robot-ch-test-poll4 added the pr-synced-to-cloud The PR is synced to the cloud repo label Jan 30, 2026
mkmkme pushed a commit to Altinity/ClickHouse that referenced this pull request Mar 26, 2026
mkmkme pushed a commit to Altinity/ClickHouse that referenced this pull request Mar 31, 2026
zvonand added a commit to Altinity/ClickHouse that referenced this pull request Mar 31, 2026
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5 participants