CREATE or REPLACE FUNCTION del_logs_datas() RETURNS text as
$$
DECLARE
b_count int;
BEGIN
b_count := 10;
while b_count > 0 LOOP
DELETE FROM logs where time in (SELECT time FROM logs LIMIT 900000 OFFSET 0);
b_count := b_count - 1;
END LOOP;
RETURN '删除成功!';
END;
$$
LANGUAGE plpgsql;
-- 执行分段批量删除
SELECT del_logs_datas();
postgres 使用函数批量分段删除
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