| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru> |
| Cc: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Stephen Frost <sfrost(at)snowman(dot)net>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Christoph Berg <myon(at)debian(dot)org>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] Surjective functional indexes |
| Date: | 2018-11-08 19:05:59 |
| Message-ID: | 20181108190559.ylzufqr2jjvml32f@alvherre.pgsql |
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| Lists: | pgsql-hackers |
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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