Re: Making jsonb_agg() faster

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Alexander Lakhin <exclusion(at)gmail(dot)com>
Cc: Chao Li <li(dot)evan(dot)chao(at)gmail(dot)com>, jian he <jian(dot)universality(at)gmail(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Making jsonb_agg() faster
Date: 2025-12-13 21:25:50
Message-ID: 1361925.1765661150@sss.pgh.pa.us
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I wrote:
> Alexander Lakhin <exclusion(at)gmail(dot)com> writes:
>> I and SQLsmith have discovered that the following query:
>> select jsonb_object_agg_unique_strict(i, null) over (order by i) from
>>           (select i from generate_series(1, 20) g(i));
>> triggers SIGSEGV:

> Thanks for the report! It seems to be specific to use as a window
> function; I see no problem without the OVER clause. Will look closer
> later.

Fixed, thanks again for finding this.

regards, tom lane

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