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