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help/三主宠查询.sql

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+-- 删除：每个多余精灵组中除了最早创建的其余记录
+WITH pet_group_mapping AS (
+SELECT 
+id,
+player_id,
+-- 核心修正：PARTITION BY中直接写分组逻辑
+ROW_NUMBER() OVER (
+PARTITION BY 
+player_id,
+CASE  -- 3个一组的分组逻辑
+WHEN (data->>'ID')::INT BETWEEN 1 AND 3 THEN 'group_1_3'
+WHEN (data->>'ID')::INT BETWEEN 4 AND 6 THEN 'group_4_6'
+WHEN (data->>'ID')::INT BETWEEN 7 AND 9 THEN 'group_7_9'
+WHEN (data->>'ID')::INT BETWEEN 301 AND 303 THEN 'group_301_303'
+WHEN (data->>'ID')::INT BETWEEN 304 AND 306 THEN 'group_304_306'
+WHEN (data->>'ID')::INT BETWEEN 307 AND 309 THEN 'group_307_309'
+END
+ORDER BY "createTime" ASC
+) AS rn,
+-- 定义pet_group用于筛选多余组
+CASE 
+WHEN (data->>'ID')::INT BETWEEN 1 AND 3 THEN 'group_1_3'
+WHEN (data->>'ID')::INT BETWEEN 4 AND 6 THEN 'group_4_6'
+WHEN (data->>'ID')::INT BETWEEN 7 AND 9 THEN 'group_7_9'
+WHEN (data->>'ID')::INT BETWEEN 301 AND 303 THEN 'group_301_303'
+WHEN (data->>'ID')::INT BETWEEN 304 AND 306 THEN 'group_304_306'
+WHEN (data->>'ID')::INT BETWEEN 307 AND 309 THEN 'group_307_309'
+END AS pet_group
+FROM "player_pet"
+WHERE deleted_at IS NULL
+),
+excess_groups AS (
+SELECT player_id, pet_group
+FROM pet_group_mapping
+WHERE pet_group IS NOT NULL
+GROUP BY player_id, pet_group
+HAVING COUNT(*) > 1
+)
+DELETE FROM "player_pet"
+WHERE id IN (
+SELECT pgm.id
+FROM pet_group_mapping pgm
+INNER JOIN excess_groups eg ON pgm.player_id = eg.player_id AND pgm.pet_group = eg.pet_group
+WHERE pgm.rn > 1
+);