Hello,
In a table, I have:
create table foo(
...,
id_alpha3 character(3) NOT NULL
CHECK (character_length(trim(both ' ' from id_alpha3)) = 3),
...
);
When I do a pg_dump, pg_dump translates it to:
CREATE TABLE foo (
...
id_alpha3 character(3) NOT NULL,
...
CONSTRAINT country_id_alpha3 CHECK ((character_length(btrim((id_alpha3)::text, '
'::text)) = 3)),
);
I.e., use of SQL:1999 standard "TRIM(BOTH somechar FROM ...)" is changed
into use of PostgreSQL-specific BTRIM().
As PostgreSQL seems to strive to be standard compliant, I consider the
above a (minor) bug.
--
Greetings from Troels Arvin, Copenhagen, Denmark
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