From: | Ian Barwick <ian(dot)barwick(at)2ndquadrant(dot)com> |
---|---|
To: | Andres Freund <andres(at)anarazel(dot)de> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Stephen Frost <sfrost(at)snowman(dot)net>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [PATCH] Stop ALTER SYSTEM from making bad assumptions |
Date: | 2019-08-02 23:36:13 |
Message-ID: | 6030e87d-5330-1e3d-2433-f49344b1cf83@2ndquadrant.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers |
On 8/3/19 8:24 AM, Andres Freund wrote:
> Hi,
>
> On 2019-08-03 08:22:29 +0900, Ian Barwick wrote:
>> What I came up with shoehorned a stripped-down version of the backend
>> config parser into fe_utils and provides a function to modify pg.auto.conf
>> in much the same way ALTER SYSTEM does, but with only the basic syntax
>> checking provided by the parser of course. And for completeness a
>> client utility which can be called by scripts etc.
>
>> I can clean it up and submit it later for reference (got distracted by other things
>> recently) though I don't think it's a particularly good solution due to the
>> lack of actual checks for the provided GUCSs (and the implementation
>> is ugly anyway); something like what Andres suggests below would be far better.
>
> I think my main problem with that is that it duplicates a nontrivial
> amount of code.
That is indeed part of the ugliness of the implementation.
Regards
Ian Barwick
--
Ian Barwick https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
From | Date | Subject | |
---|---|---|---|
Next Message | Ashwin Agrawal | 2019-08-02 23:56:22 | Re: Remove HeapTuple and Buffer dependency for predicate locking functions |
Previous Message | Andres Freund | 2019-08-02 23:24:30 | Re: [PATCH] Stop ALTER SYSTEM from making bad assumptions |