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branch-3.0: [Fix](auto-increment) Fix duplicate auto-increment column value problem #43774 #43983

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merged 1 commit into from
Nov 15, 2024
Merged

branch-3.0: [Fix](auto-increment) Fix duplicate auto-increment column value problem #43774 #43983

merged 1 commit into from
Nov 15, 2024
+99 −7

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Cherry-picked from #43774

@bobhan1
[Fix](auto-increment) Fix duplicate auto-increment column value probl…
8cbd45e 
…em (#43774)

```cpp
Result<int64_t> AutoIncIDBuffer::_fetch_ids_from_fe(size_t length) {
    // ...
    return _rpc_status;
}
```
should be
```cpp
Result<int64_t> AutoIncIDBuffer::_fetch_ids_from_fe(size_t length) {
    // ...
    return ResultError(_rpc_status);
}
```
Otherwise, the returned `Result<int64_t>`'s `m_has_val` will be `true`,
then `AutoIncIDBuffer::_launch_async_fetch_task()` will wrongly add an
auto-increment range [0, length) to `_buffers` which will cause
duplicate value problem.

### Release note

Fix duplicate auto-increment column value problem in some situations.
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  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.
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run buildall

@dataroaring dataroaring reopened this Nov 14, 2024
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clang-tidy review says "All clean, LGTM! 👍"

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bobhan1 commented Nov 15, 2024

run beut

@dataroaring dataroaring merged commit adfbe69 into branch-3.0 Nov 15, 2024
21 of 23 checks passed
@dataroaring dataroaring deleted the auto-pick-43774-branch-3.0 branch November 15, 2024 02:39
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@doris-robot @bobhan1 @dataroaring