Fix flaky test 04003_cast_nullable_read_in_order_explain under parallel replicas#98518
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alexey-milovidov merged 3 commits intomasterfrom Mar 2, 2026
Merged
Fix flaky test 04003_cast_nullable_read_in_order_explain under parallel replicas#98518alexey-milovidov merged 3 commits intomasterfrom
alexey-milovidov merged 3 commits intomasterfrom
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…el replicas The test checks EXPLAIN output for `ReadType` values, which are absent when parallel replicas changes the query plan to use `ReadFromRemoteParallelReplicas` instead of `ReadFromMergeTree`. Closes #98506 https://s3.amazonaws.com/clickhouse-test-reports/json.html?REF=master&sha=28cd79a24459619126bbecbd3d836afd370b333d&name_0=MasterCI&name_1=Stateless%20tests%20%28amd_binary%2C%20ParallelReplicas%2C%20s3%20storage%2C%20parallel%29&name_1=Stateless%20tests%20%28amd_binary%2C%20ParallelReplicas%2C%20s3%20storage%2C%20parallel%29 Changelog category: CI Fix or improvement Changelog entry: Fix flaky test `04003_cast_nullable_read_in_order_explain` under parallel replicas configuration. Co-Authored-By: Claude Opus 4.6 <[email protected]>
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…l-replicas Fix flaky test 04003_cast_nullable_read_in_order_explain under parallel replicas
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Changelog entry (a user-readable short description of the changes that goes into CHANGELOG.md):
Fix flaky test
04003_cast_nullable_read_in_order_explainunder parallel replicas configuration.Documentation entry for user-facing changes
Add
no-parallel-replicastag to test04003_cast_nullable_read_in_order_explain. The test checks EXPLAIN output forReadTypevalues, which are absent when parallel replicas changes the query plan to useReadFromRemoteParallelReplicasinstead ofReadFromMergeTree. The companion test04004_cast_nullable_monotonicity_key_conditionalready has this tag.Closes #98506
CI report: https://s3.amazonaws.com/clickhouse-test-reports/json.html?REF=master&sha=28cd79a24459619126bbecbd3d836afd370b333d&name_0=MasterCI&name_1=Stateless%20tests%20%28amd_binary%2C%20ParallelReplicas%2C%20s3%20storage%2C%20parallel%29&name_1=Stateless%20tests%20%28amd_binary%2C%20ParallelReplicas%2C%20s3%20storage%2C%20parallel%29