maria-developers team mailing list archive
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Mailing list archive
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Message #10438
Re: MDEV-10306 Wrong results with combination of CONCAT, SUBSTR and CONVERT in subquery
Hi, Oleksandr!
On Mar 01, Oleksandr Byelkin wrote:
>
> Actually val_str accept buffer and if we ensure that the buffer used
> each time is different and value stored in it changing it is not a
> problem at all, problem is that some Items do not use it in sake of
> the efficiency, so maybe we should go this direction?
How can you ensure that the buffer is different every time?
Regards,
Sergei
Chief Architect MariaDB
and security@xxxxxxxxxxx
References
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MDEV-10306 Wrong results with combination of CONCAT, SUBSTR and CONVERT in subquery
From: Alexander Barkov, 2017-02-28
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Re: MDEV-10306 Wrong results with combination of CONCAT, SUBSTR and CONVERT in subquery
From: Sergei Golubchik, 2017-03-01
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Re: MDEV-10306 Wrong results with combination of CONCAT, SUBSTR and CONVERT in subquery
From: Oleksandr Byelkin, 2017-03-01
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Re: MDEV-10306 Wrong results with combination of CONCAT, SUBSTR and CONVERT in subquery
From: Sergei Golubchik, 2017-03-01
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Re: MDEV-10306 Wrong results with combination of CONCAT, SUBSTR and CONVERT in subquery
From: Oleksandr Byelkin, 2017-03-01