44 lines
1.1 KiB
SQL
44 lines
1.1 KiB
SQL
-- =====================================================
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-- 查找sys_menu表中重复的path记录
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-- PostgreSQL 版本
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-- =====================================================
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-- 1. 查询重复的path及其出现次数
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SELECT
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path,
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COUNT(*) as count,
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STRING_AGG(CAST(menu_id AS TEXT), ', ') as menu_ids,
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STRING_AGG(menu_name, ', ') as menu_names
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FROM sys_menu
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GROUP BY path
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HAVING COUNT(*) > 1;
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-- 2. 查看具体重复path的详细信息
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SELECT * FROM sys_menu
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WHERE path IN (
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SELECT path
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FROM sys_menu
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GROUP BY path
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HAVING COUNT(*) > 1
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)
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ORDER BY path, menu_id;
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-- 注意：执行上述查询后，根据结果执行下面的删除操作
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-- 只保留menu_id较小的记录，删除重复的记录
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DELETE FROM sys_menu
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WHERE menu_id IN (
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SELECT menu_id FROM (
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SELECT menu_id,
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ROW_NUMBER() OVER (PARTITION BY path ORDER BY menu_id) as rn
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FROM sys_menu
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WHERE path IN (
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SELECT path
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FROM sys_menu
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GROUP BY path
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HAVING COUNT(*) > 1
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)
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) t
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WHERE rn > 1
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);
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