pics/upgrade.sql

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MySQL
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/* 2023-03-11 Allow designating an owner for each tag */
ALTER TABLE `tags` ADD `id_user_owner` INT NULL DEFAULT NULL AFTER `id_asset_thumb`;
/* 2023-03-11 Try to assign tag owners automagically */
UPDATE tags AS t
SET id_user_owner = (
SELECT id_user
FROM users AS u
WHERE LOWER(u.first_name) = LOWER(t.slug) OR
LOWER(u.first_name) = LOWER(t.tag) OR
LOWER(u.slug) = LOWER(t.slug) OR
LOWER(u.slug) = LOWER(t.tag)
)
WHERE t.kind = 'Person' AND
(t.id_user_owner = 0 OR t.id_user_owner IS NULL);