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更新3799条数据，导致程序卡住了 #189

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cbqqkcel opened this issue Jun 25, 2023 · 6 comments
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更新3799条数据，导致程序卡住了 #189

cbqqkcel opened this issue Jun 25, 2023 · 6 comments

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@cbqqkcel
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@cbqqkcel
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cpu 跑满了

@cbqqkcel
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cbqqkcel commented Jun 25, 2023 •
edited 

update RoomSeller
set saleStatus = 1 where id in (select rsid from RoomSeller as rs, RoomSellerold as rso where rs
and rs.sellerId = rso.seler id)

执行的是这样的语句，是不是in的数据太多了。(3700条)

@cbqqkcel cbqqkcel changed the title 更新5000条数据，导致程序卡住了 更新3799条数据，导致程序卡住了 Jun 25, 2023
@codefollower
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换 lealone 5.2 看看有没有问题

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lealone 5.1 嵌套执行 sql，数据量多时有 bug，5.2 修复了。

codefollower added a commit that referenced this issue Jun 26, 2023
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优化IN(SELECT)语句，避免每次都查询 #189
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我优化了 IN(SELECT) 语句，现在很快了，更新1万行记录也没问题。

@cbqqkcel
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好的谢谢

devqm pushed a commit to devqm/Lealone that referenced this issue May 14, 2024
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优化IN(SELECT)语句，避免每次都查询 lealone#189
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