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mysql - 查询以从具有相同值的多行中仅获取一行

我有一个通知表如下|id|user_receiver|user_sender|post_id|action|date|is_read这里user_sender是发通知的人,user_receiver是收到通知的人,post_id是帖子id,action可以是like,comment等,is_read是1如果它被receiver读取else0我想获取登录用户的所有通知我正在使用的查询是SELECTid,user_receiver,user_sender,post_id,action,max(date)asdate,is_readFROMnotificationWHEREuser_rece

c# - 在执行 ISQLQuery.UniqueResult<DateTime>() 时,如何让 SQLite 返回正确的 DateTime?

TLDR:Thefollowingcodeisruninthedifferentdatabases,Oracle:selectsysdatefromdualSQLiteselectdatetime('now')WhendoingSession.CreateSQLQuery(cmd).UniqueResult()theresultisaDateTimewhenworkingagainstOraclebutastringwhenworkingagainstSQLite.ItfeelslikeabugintheSQLitedriverandahacktocheckthereturnedtyp

c# - 在执行 ISQLQuery.UniqueResult<DateTime>() 时,如何让 SQLite 返回正确的 DateTime?

TLDR:Thefollowingcodeisruninthedifferentdatabases,Oracle:selectsysdatefromdualSQLiteselectdatetime('now')WhendoingSession.CreateSQLQuery(cmd).UniqueResult()theresultisaDateTimewhenworkingagainstOraclebutastringwhenworkingagainstSQLite.ItfeelslikeabugintheSQLitedriverandahacktocheckthereturnedtyp