2026-03-01 00:53:55 +08:00
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select setval('base_sys_user_id_seq', 10000000, false);
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-- 1. 恢复原自增，解除依赖
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ALTER TABLE base_sys_user
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ALTER COLUMN id SET DEFAULT nextval('base_sys_user_id_seq');
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-- 2. 清理旧函数
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DROP FUNCTION IF EXISTS next_8digit_rand_id() CASCADE;
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-- 3. 【终极版】不重复 + 乱序 + 固定8位
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CREATE OR REPLACE FUNCTION next_8digit_rand_id()
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RETURNS bigint
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LANGUAGE plpgsql VOLATILE
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AS $$
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DECLARE
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seq_val bigint;
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BEGIN
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seq_val := nextval('base_sys_user_id_seq');
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RETURN 10000000 + ((seq_val * 1103515245 + 12345) # 58329) % 90000000;
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END;
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$$;
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-- 4. 启用
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ALTER TABLE base_sys_user
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ALTER COLUMN id SET DEFAULT next_8digit_rand_id();
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