Re: Reducing connection overhead in pg_upgrade compat check phase

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От Daniel Gustafsson
Тема Re: Reducing connection overhead in pg_upgrade compat check phase
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Msg-id A3FD601F-18AD-4933-8DB6-9D150EC663A4@yesql.se
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Ответ на Re: Reducing connection overhead in pg_upgrade compat check phase  (Daniel Gustafsson <daniel@yesql.se>)
Ответы Re: Reducing connection overhead in pg_upgrade compat check phase  (Daniel Gustafsson <daniel@yesql.se>)
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> On 9 Feb 2024, at 00:04, Daniel Gustafsson <daniel@yesql.se> wrote:
>
>> On 8 Feb 2024, at 15:16, Daniel Gustafsson <daniel@yesql.se> wrote:
>
>> One option could perhaps be to include a version number for <= comparison, and
>> if set to zero a function pointer to a version check function must be provided?
>> That would handle the simple cases in a single place without messy logic, and
>> leave the more convoluted checks with a special case function.
>
> The attached is a draft version of this approach, each check can define to run
> for all versions, set a threshold version for which it runs or define a
> callback which implements a more complicated check.

And again pgindented and with documentation on the struct members to make it
easy to add new checks.  A repetitive part of the report text was also moved to
a single place.

--
Daniel Gustafsson


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