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branch-3.0: [enhancement](cloud-schema-change) Rowset [0-1] should not engage in delete bitmap calculation during MOW SC #44171 #44258

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Nov 26, 2024
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branch-3.0: [enhancement](cloud-schema-change) Rowset [0-1] should not engage in delete bitmap calculation during MOW SC #44171 #44258

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3 changes: 2 additions & 1 deletion be/src/cloud/cloud_schema_change_job.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -363,7 +363,8 @@ Status CloudSchemaChangeJob::_convert_historical_rowsets(const SchemaChangeParam
// If there are historical versions of rowsets, we need to recalculate their delete
// bitmaps, otherwise we will miss the delete bitmaps of incremental rowsets
int64_t start_calc_delete_bitmap_version =
already_exist_any_version ? 0 : sc_job->alter_version() + 1;
// [0-1] is a placeholder rowset, start from 2.
already_exist_any_version ? 2 : sc_job->alter_version() + 1;
RETURN_IF_ERROR(_process_delete_bitmap(sc_job->alter_version(),
start_calc_delete_bitmap_version, initiator));
sc_job->set_delete_bitmap_lock_initiator(initiator);
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