Re: JSON constructors and window functions

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Jaime Casanova <jcasanov(at)systemguards(dot)com(dot)ec>, pgsql-hackers(at)postgresql(dot)org, n(dot)gluhov(at)postgrespro(dot)ru
Subject: Re: JSON constructors and window functions
Date: 2022-04-04 15:43:31
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Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> On 4/3/22 22:46, Andrew Dunstan wrote:
>> On 4/3/22 20:11, Andres Freund wrote:
>>> I don't think you're allowed to free stuff in a finalfunc - we might reuse the
>>> transition state for further calls to the aggregate.

>> Doh! Of course! I'll fix it in the morning. Thanks.

> I've committed a fix for this. I didn't find something to clean out the
> hash table, so I just removed the 'hash_destroy' and left it at that.
> All the test I did came back with expected results.
> Maybe a hash_reset() is something worth having assuming it's possible? I
> note that simplehash has a reset function.

But removing the hash entries would be just as much of a problem
wouldn't it?

regards, tom lane

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