paopao-ce/scripts/migration/mysql/0015_topic_user_pin.up.sql

ALTER TABLE `p_topic_user` ADD COLUMN `is_pin` TINYINT NOT NULL DEFAULT 0 COMMENT '是否钉住 0 为未钉住、1 为已钉住';
CREATE INDEX `idx_topic_user_uid_ispin` ON `p_topic_user` (`user_id`, `is_pin`) USING BTREE;