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Commits from this thread:
2020-04-14 2d59643dbc Account for collation when coercing the output of a SQL function.
* ERROR: could not determine which collation to use for string comparison
@ 2020-04-14 16:49 Andreas Joseph Krogh <andreas@visena.com>
2020-04-14 21:31 ` Re: ERROR: could not determine which collation to use for string comparison Tom Lane <tgl@sss.pgh.pa.us>
0 siblings, 1 reply; 4+ messages in thread
From: Andreas Joseph Krogh @ 2020-04-14 16:49 UTC (permalink / raw)
To: pgsql-hackers@lists.postgresql.org
Guys; This errors out with:
ERROR: could not determine which collation to use for string comparison
HINT: Use the COLLATE clause to set the collation explicitly.
The database is init'ed with:
initdb -D $PGDATA -E utf8 --locale=nb_NO.UTF-8
13-dev HEAD as of 8128b0c152a67917535f50738ac26da4f984ddd9
Works fine in <= 12
===========================
create table person( id serial primary key, firstname varchar, lastname varchar
);insert into person(firstname, lastname) values ('Andreas', 'Krogh'); CREATE
OR REPLACE FUNCTIONconcat_lower(varchar, varchar) RETURNS varchar AS $$ SELECT
nullif(lower(coalesce($1, '')) || lower(coalesce($2, '')), '') $$ LANGUAGE SQL
IMMUTABLE; select * from person pers ORDER BY concat_lower(pers.firstname,
pers.lastname)ASC; ===========================
--
Andreas Joseph Krogh
^ permalink raw reply [nested|flat] 4+ messages in thread
* Re: ERROR: could not determine which collation to use for string comparison
2020-04-14 16:49 ERROR: could not determine which collation to use for string comparison Andreas Joseph Krogh <andreas@visena.com>
@ 2020-04-14 21:31 ` Tom Lane <tgl@sss.pgh.pa.us>
0 siblings, 0 replies; 4+ messages in thread
From: Tom Lane @ 2020-04-14 21:31 UTC (permalink / raw)
To: Andreas Joseph Krogh <andreas@visena.com>; +Cc: pgsql-hackers@lists.postgresql.org
Andreas Joseph Krogh <andreas@visena.com> writes:
> Guys; This errors out with:
> ERROR: could not determine which collation to use for string comparison
> HINT: Use the COLLATE clause to set the collation explicitly.
Fixed, thanks for the report.
regards, tom lane
^ permalink raw reply [nested|flat] 4+ messages in thread
* ERROR: could not determine which collation to use for string comparison
@ 2023-06-06 14:42 Rômulo Coutinho <romulo@supersim.com.br>
2023-06-06 16:57 ` Re: ERROR: could not determine which collation to use for string comparison Laurenz Albe <laurenz.albe@cybertec.at>
0 siblings, 1 reply; 4+ messages in thread
From: Rômulo Coutinho @ 2023-06-06 14:42 UTC (permalink / raw)
To: pgsql-hackers@lists.postgresql.org
Hi,
We recently upgraded to Postgres 15.3. When running ANALYZE, we get the
following message:
ERROR: could not determine which collation to use for string comparison
HINT: Use the COLLATE clause to set the collation explicitly.
We have never seen this before. Could this be a bug?
Regards,
Rômulo Coutinho.
^ permalink raw reply [nested|flat] 4+ messages in thread
* Re: ERROR: could not determine which collation to use for string comparison
2023-06-06 14:42 ERROR: could not determine which collation to use for string comparison Rômulo Coutinho <romulo@supersim.com.br>
@ 2023-06-06 16:57 ` Laurenz Albe <laurenz.albe@cybertec.at>
0 siblings, 0 replies; 4+ messages in thread
From: Laurenz Albe @ 2023-06-06 16:57 UTC (permalink / raw)
To: Rômulo Coutinho <romulo@supersim.com.br>; pgsql-hackers@lists.postgresql.org
On Tue, 2023-06-06 at 11:42 -0300, Rômulo Coutinho wrote:
> We recently upgraded to Postgres 15.3. When running ANALYZE, we get the following message:
> ERROR: could not determine which collation to use for string comparison
> HINT: Use the COLLATE clause to set the collation explicitly.
>
> We have never seen this before. Could this be a bug?
Impossible to say without a way to reproduce.
Yours,
Laurenz Albe
^ permalink raw reply [nested|flat] 4+ messages in thread
end of thread, other threads:[~2023-06-06 16:57 UTC | newest]
Thread overview: 4+ messages (download: mbox mbox.gz follow: Atom feed)
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2020-04-14 16:49 ERROR: could not determine which collation to use for string comparison Andreas Joseph Krogh <andreas@visena.com>
2020-04-14 21:31 ` Re: ERROR: could not determine which collation to use for string comparison Tom Lane <tgl@sss.pgh.pa.us>
2023-06-06 14:42 ERROR: could not determine which collation to use for string comparison Rômulo Coutinho <romulo@supersim.com.br>
2023-06-06 16:57 ` Re: ERROR: could not determine which collation to use for string comparison Laurenz Albe <laurenz.albe@cybertec.at>
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