You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
paopao-ce/scripts/migration/mysql/0011_home_timeline.up.sql

40 lines
1.3 KiB

CREATE TABLE `p_post_metric` (
`id` bigint unsigned NOT NULL AUTO_INCREMENT,
`post_id` bigint unsigned NOT NULL,
`rank_score` bigint unsigned NOT NULL DEFAULT 0,
`incentive_score` int unsigned NOT NULL DEFAULT 0,
`decay_factor` int unsigned NOT NULL DEFAULT 0,
`motivation_factor` int unsigned NOT NULL DEFAULT 0,
`is_del` tinyint NOT NULL DEFAULT 0, -- 是否删除, 0否, 1是
`created_on` bigint unsigned NOT NULL DEFAULT '0',
`modified_on` bigint unsigned NOT NULL DEFAULT '0',
`deleted_on` bigint unsigned NOT NULL DEFAULT '0',
PRIMARY KEY (`id`) USING BTREE,
KEY `idx_post_metric_post_id_rank_score` (`post_id`,`rank_score`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO p_post_metric (post_id, rank_score, created_on)
SELECT id AS post_id,
comment_count + upvote_count*2 + collection_count*4 AS rank_score,
created_on
FROM p_post
WHERE is_del=0;
-- 原来的可见性: 0公开 1私密 2好友可见 3关注可见
-- 现在的可见性: 0私密 10充电可见 20订阅可见 30保留 40保留 50好友可见 60关注可见 70保留 80保留 90公开
UPDATE p_post a
SET visibility = (
SELECT
CASE visibility
WHEN 0 THEN 90
WHEN 1 THEN 0
WHEN 2 THEN 50
WHEN 3 THEN 60
ELSE 0
END
FROM
p_post b
WHERE
a.ID = b.ID
);