| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
| Cc: | Andreas Karlsson <andreas(at)proxel(dot)se>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Parallel safety tagging of extension functions |
| Date: | 2016-05-23 16:22:32 |
| Message-ID: | 30592.1464020552@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Michael Paquier <michael(dot)paquier(at)gmail(dot)com> writes:
> On Sat, May 21, 2016 at 6:16 PM, Andreas Karlsson <andreas(at)proxel(dot)se> wrote:
>> My immediate thought is first doing an UPDATE of pg_proc and then updating
>> the catcache with CREATE OR REPLACE with the new arguments. Does that work?
>> Is there a less ugly way to accomplish this?
> Isn't it better to just drop and recreate the function? pageinspect
> did so for example for heap_page_items in 1.4 to update its OUT
> arguments.
You'd have to alter the index opfamily to disconnect the function from it,
drop/recreate the function, then re-add it to the opfamily. Kind of icky,
but probably better than the alternatives.
regards, tom lane
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