Thanks Abbas for quick review. I will take care of inherit and truncate. I
am committing this patch.
On Thu, Apr 25, 2013 at 3:44 PM, Abbas Butt <abb...@en...>wrote:
> The patch fixes the attached test case as well as the one that was failing
> in plpgsql.sql.
>
> Regression before and after the patch shows some diffs in the following
> files
>
> 1. plpgsql - I will take care of those
> 2. truncate &
> 3. Inherit
>
> I have attached the regression.diff before and after the patch.
>
> The patch can be committed , the additional diffs can be taken care of
> separately.
>
> Regards
>
>
> On Wed, Apr 24, 2013 at 3:27 PM, Ashutosh Bapat <
> ash...@en...> wrote:
>
>> Hi All,
>> PFA a patch to fix the cached plan and aggregate problem. Attached is the
>> test code which gave wrong answer.
>>
>>
>> PLpgSQL functions create plans for the queries involved in the functions
>> and cache those. While caching the plan for these queries is copied using
>> copyObject function, which in turn calls _copyAgg for copying the aggregate
>> nodes in the plan. _copyAgg was not copying the skip_trans status, which
>> caused the transitioned results from datanodes to be transitioned again.
>> Hence we got wrong answer for count(*) aggregate.
>>
>> The bug was uncovered from testcase truncate. Someone had just copied the
>> wrong results in alternate expected output file.
>>
>> --
>> Best Wishes,
>> Ashutosh Bapat
>> EntepriseDB Corporation
>> The Postgres Database Company
>>
>>
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>>
>
>
> --
> --
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>
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--
Best Wishes,
Ashutosh Bapat
EntepriseDB Corporation
The Postgres Database Company
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