Re: [HACKERS] Surjective functional indexes

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От Alvaro Herrera
Тема Re: [HACKERS] Surjective functional indexes
Дата
Msg-id 20181108190559.ylzufqr2jjvml32f@alvherre.pgsql
обсуждение исходный текст
Ответ на Re: [HACKERS] Surjective functional indexes  (Konstantin Knizhnik <k.knizhnik@postgrespro.ru>)
Ответы Re: [HACKERS] Surjective functional indexes  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: [HACKERS] Surjective functional indexes  (Konstantin Knizhnik <k.knizhnik@postgrespro.ru>)
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On 2018-Nov-08, Konstantin Knizhnik wrote:

> Before doing any other refactoring of projection indexes I want to attach
> small bug fix patch which
> fixes the original problem (SIGSEGV) and also disables recheck_on_update by
> default.
> As Laurenz has suggested, I replaced boolean recheck_on_update option with
> "on","auto,"off" (default).

I think this causes an ABI break for GenericIndexOpts.  Not sure to what
extent that is an actual problem (i.e. how many modules were compiled
with 11.0 that are gonna be reading that struct with later Pg), but I
think it should be avoided anyhow.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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