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branch-4.0: [Exec](status) materialization_opertor return the error status by row_id_fetcher #62513#64629

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branch-4.0: [Exec](status) materialization_opertor return the error status by row_id_fetcher #62513#64629
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Cherry-picked from #62513

…_id_fetcher (#62513)

Problem Summary:
- MaterializationOperator did not check
rpc_struct.response.status().status_code after row_id_fetcher RPCs, so
backend-side errors were not propagated to the caller.
- This change verifies the RPC response status; if status_code != 0, it
constructs an error message containing backend id, status_code,
error_msg and the Materialization Sink node id, and returns
Status::InternalError so the error is reported upstream.
@github-actions github-actions Bot requested a review from morningman as a code owner June 18, 2026 07:51
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Thank you for your contribution to Apache Doris.
Don't know what should be done next? See How to process your PR.

Please clearly describe your PR:

  1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
  2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
  3. What features were added. Why was this function added?
  4. Which code was refactored and why was this part of the code refactored?
  5. Which functions were optimized and what is the difference before and after the optimization?

@hello-stephen

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run buildall

@hello-stephen

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BE Regression && UT Coverage Report

Increment line coverage 16.67% (1/6) 🎉

Increment coverage report
Complete coverage report

Category Coverage
Function Coverage 71.39% (25493/35709)
Line Coverage 54.28% (270291/497971)
Region Coverage 51.81% (223735/431844)
Branch Coverage 53.26% (96391/180969)

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