SELECT aa.area_id,aa.area_name,aa.order_service_server,aa.owner_id ser_id,bb.owner_id usr_id
FROM gh_statement_three aa
LEFT JOIN
(SELECT area_id,owner_id
FROM gh_statement_three
where statistics_type='5'
AND service_value > 1
AND operation_date between cast('2021-01-01' as DATE) and cast('2021-06-01' as DATE) ) bb
on aa.area_id=bb.area_id and aa.owner_id=bb.owner_id
WHERE 1=1
AND aa.statistics_type='1'
AND aa.order_service_server IS NOT NULL
AND operation_date between cast('2021-01-01' as DATE) and cast('2021-06-01' as DATE)
GROUP BY aa.area_id,aa.area_name,aa.order_service_server,aa.owner_id
先用explain sql语句执行一下,查看索引使用情况。
这个sql语句没有什么优化的空间,如果你觉得读取速度慢,应该从索引方面入手更快一些,如有需要,可私信我向日葵
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