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ALTER TABLE users ADD COLUMN theme_id INT;
--ALTER TABLE users ALTER COLUMN theme_id SET DEFAULT NOT NULL 1;
--UPDATE users SET theme_id=1
-- WHERE NOT EXISTS (select user_theme FROM theme_prefs WHERE user_id=users.user_id);
UPDATE users SET theme_id=
(select user_theme FROM theme_prefs WHERE user_id=users.user_id)
WHERE EXISTS (select user_theme FROM theme_prefs WHERE user_id=users.user_id);
--
-- If there is no theme_id=1 in the themes table, we could have a problem
--
UPDATE users SET theme_id=(SELECT min(theme_id) FROM themes WHERE enabled=true LIMIT 1)
WHERE theme_id IS NULL;
ALTER TABLE users ADD CONSTRAINT users_themeid
FOREIGN KEY (theme_id) REFERENCES themes(theme_id) MATCH FULL;
ALTER TABLE users ADD CONSTRAINT users_ccode
FOREIGN KEY (ccode) REFERENCES country_code(ccode) MATCH FULL;
DROP TABLE theme_prefs;
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