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c# - 插入、子查询、值

转载 作者:行者123 更新时间:2023-11-29 13:57:28 25 4
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此查询从其他表插入表值(返回多于 1 行)

INSERT INTO metric_values(mv_db_id, mv_cat_id)
(SELECT DISTINCT dbs_id, cat_id FROM
(SELECT DISTINCT cat_id, dbs_id FROM categories
INNER JOIN users ON (cat_id = us_category_id)
INNER JOIN hits ON (us_id = h_user_id)
INNER JOIN dbs ON (h_db_id = dbs_id)
WHERE h_datetime = '2009-09-28'
GROUP BY cat_id, dbs_id)foo)

但我还有一些变量(mv_metric_id、mv_period_id、mv_period_startdate),这些值是我从程序 (c#) 接收的。有人知道如何用这个查询插入这个变量吗?

像这样:

INSERT INTO metric_values(mv_metric_id, mv_period_id, mv_period_startdate, mv_db_id, mv_cat_id)
VALUES (1, 1, '2009-09-28', (SELECT DISTINCT dbs_id, cat_id
FROM (SELECT DISTINCT cat_id, dbs_id
FROM categories
INNER JOIN users ON (cat_id = us_category_id)
INNER JOIN hits ON (us_id = h_user_id)
INNER JOIN dbs ON (h_db_id = dbs_id)
WHERE h_datetime = '2009-09-28'
GROUP BY cat_id, dbs_id)foo))

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