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jeremyhi 93c3b116da fix(mito2): re-check a filled write as sent after a schema change (#9701 )

* fix(mito2): re-check a filled write as sent after a schema change

The engine fills the columns a write leaves out with their defaults when it
accepts the write, appending them to the rows without adding them to
`name_to_index` and `has_null`. If the region schema changes before the
worker handles the write, the worker checks the request again and
`check_schema` looks up a filled column in `name_to_index`, which panics and
stops the region worker. If the filled column was dropped, the write fails
with an unknown column that the client never sent.

Remove the filled columns before checking, so the request is checked as sent
and filled again for the current schema. Nothing is filled yet when the
engine checks the request, so that check does no extra work.

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* test(mito2): rename put_request helper to build_put_request

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

---------

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

2026-10-20 02:30:10 +00:00

benches

perf(mito2): keep short series unsplit in compaction merges (#9706 )

2026-10-19 08:44:15 +00:00

src

fix(mito2): re-check a filled write as sent after a schema change (#9701 )

2026-10-20 02:30:10 +00:00

test-data

refactor: json2 v2 storage layout (#8979 )

2026-09-01 13:39:56 +00:00

AGENTS.md

perf(datanode): send the mito puts of one request to each worker at once (#9692 )