dex/db/migrations/0011_case_insensitive_emails.sql

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-- +migrate Up
CREATE OR REPLACE FUNCTION raise_exp() RETURNS VOID AS $$
BEGIN
RAISE EXCEPTION 'Found duplicate emails when using case insensitive comparision, cannot perform migration.';
END;
$$ LANGUAGE plpgsql;
SELECT LOWER(email),
COUNT(email),
CASE
WHEN COUNT(email) > 1 THEN raise_exp()
ELSE NULL
END
FROM authd_user
GROUP BY LOWER(email);
UPDATE authd_user SET email = LOWER(email);