Files
junhong_cmp_fiber/migrations/000205_create_log_archive_run.down.sql
break 88cc5e96ec
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SQL

LOCK TABLE tb_log_archive_run IN ACCESS EXCLUSIVE MODE;
DO $$
BEGIN
IF EXISTS (SELECT 1 FROM tb_log_archive_run LIMIT 1) THEN
RAISE EXCEPTION 'tb_log_archive_run 已存在归档运行事实,禁止回滚迁移';
END IF;
END;
$$;
DROP TABLE tb_log_archive_run;