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[client][server] Support adding aggregation columns#3459

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wzx140 wants to merge 1 commit into
apache:mainfrom
wzx140:codex/aggregation-add-column-agg-function
Open

[client][server] Support adding aggregation columns#3459
wzx140 wants to merge 1 commit into
apache:mainfrom
wzx140:codex/aggregation-add-column-agg-function

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@wzx140

@wzx140 wzx140 commented Jun 9, 2026

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Summary

  • Support Java API TableChange.addColumn interfaces to pass aggregation functions when altering table schema.
  • Carry the aggregation function through ALTER TABLE ADD COLUMN RPC so the server preserves it in the new schema.
  • Validate aggregation functions on schema alter for aggregation merge engine tables and reject them on non-aggregation tables.

Support carrying aggregation functions through alter table add column requests.

Validate aggregation functions during schema alter and reject them on non-aggregation tables.
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