[英]MySQL combine UPDATE and SELECT query
I have the following SELECT statement that returns data, example below: 我有以下返回数据的SELECT语句,示例如下:
SELECT performers.ID,
performers.Name,
COUNT(*) AS CountOfDeals,
COUNT(DISTINCT(deals.Name)) AS CountOfAliases
FROM deals RIGHT JOIN performers
ON deals.name LIKE CONCAT('%', performers.name, '%')
WHERE performers.ID IN ( 27952, 27951, 27950, 27949, 27948 )
GROUP BY Name;
Example data returned: 返回的示例数据:
ID Name CountOfDeals CountOfAliases
27952 Christine Hoberg 1 0
27951 Indian Jewelry 1 0
27952 Kinky Friedman 5 3
27949 KJ-52 1 0
27960 River Whyless 1 0
I want to combine this with the following UPDATE statement 我想结合以下UPDATE语句
UPDATE performers
SET RawAliasCount = CountOfAliases,
RawDealCount = CountOfDeals
WHERE ID = ?
All the values needed to run the update statement are returned in the select statement above so hopefully this should be pretty easy. 在上面的select语句中返回了运行update语句所需的所有值,因此希望这应该很容易。
Thanks. 谢谢。
Use update
with join
: 使用带有join
update
:
UPDATE performers p JOIN
(SELECT performers.ID, performers.Name, COUNT(*) AS CountOfDeals,
COUNT(DISTINCT(deals.Name)) AS CountOfAliases
FROM deals RIGHT JOIN
performers
on deals.name LIKE CONCAT('%', performers.name, '%')
WHERE performers.ID IN (27952, 27951, 27950, 27949, 27948)
GROUP BY Name
) pp
ON pp.id = p.id
SET RawAliasCount = pp.CountOfAliases,
RawDealCount = pp.CountOfDeals;
UPDATE performers
SET performers.RawAliasCount = count_table.CountOfAliases, performers.RawDealCount = count_table.CountOfDeals
FROM performers
INNER JOIN
(
SELECT
performers.ID, performers.Name, COUNT(*) AS CountOfDeals,
COUNT(DISTINCT(deals.Name)) AS CountOfAliases
FROM deals RIGHT JOIN performers on deals.name LIKE CONCAT('%', performers.name, '%')
WHERE performers.ID IN (27952, 27951, 27950, 27949, 27948)
GROUP BY Name
) count_table
ON count_table.ID = performers.ID;
When this type of question is asked, thank you to put the tables schema. 当询问这种类型的问题时,谢谢您放入表模式。
edit : sorry, it's sql-server syntax. 编辑:抱歉,这是sql-server语法。
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.