From: Peter Geoghegan
Subject: Re: [GENERAL] Case Insensitive Foreign Key Constraint
I would probably just have a check constraint that prevented the
relevant PK field from being lower case in the first place. I had to
do that recently, but my approach reflected the business rules.
This is
I would probably just have a check constraint that prevented the
relevant PK field from being lower case in the first place. I had to
do that recently, but my approach reflected the business rules.
You may prefer to use citext:
http://www.postgresql.org/docs/current/interactive/citext.html
--
R
Hi all,
Is there a way to have text-type foreign keys be case insensitive?
development=# CREATE TABLE foo (foo text PRIMARY KEY);
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "foo_pkey" for
table "foo"
CREATE TABLE
development=# INSERT INTO foo VALUES ('foo');
INSERT 0 1
dev
