Em seg., 15 de ago. de 2022 às 15:34, Ranier Vilela <ranier...@gmail.com>
escreveu:

> Hi,
>
> I ran this test.
>
> DROP TABLE IF EXISTS long_json_as_text;
> CREATE TABLE long_json_as_text AS
> with long as (
> select repeat(description, 11)
> from pg_description
> )
> select (select json_agg(row_to_json(long))::text as t from long) from
> generate_series(1, 100);
> VACUUM FREEZE long_json_as_text;
>
> select 1 from long_json_as_text where t::json is null;
>
> head:
> Time: 161,741ms
>
> v5:
> Time: 270,298 ms
>
Sorry too fast, 270,298ms with native memchr.

v5
Time: 208,689 ms

regards,
Ranier Vilela

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