<?php

return [
    'up' => "
        DROP TRIGGER IF EXISTS posts_fts_users_delete;
        DROP TRIGGER IF EXISTS posts_fts_users_update;

        CREATE TRIGGER IF NOT EXISTS posts_fts_users_update
        AFTER UPDATE OF username ON users BEGIN
            DELETE FROM posts_fts
            WHERE rowid IN (SELECT id FROM posts WHERE author_id = NEW.id);

            INSERT INTO posts_fts(rowid, title, content, author_username)
            SELECT p.id,
                   p.title,
                   COALESCE(strip_tags(p.content), ''),
                   NEW.username
            FROM posts p
            WHERE p.author_id = NEW.id;
        END;
    ",
    'down' => "
        DROP TRIGGER IF EXISTS posts_fts_users_update;
    ",
];