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Complex Delete Scenarios
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Gavin Osborn  
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 More options Nov 8 2012, 10:27 pm
From: Gavin Osborn <g...@gavinosborn.net>
Date: Thu, 8 Nov 2012 19:27:52 -0800 (PST)
Local: Thurs, Nov 8 2012 10:27 pm
Subject: Complex Delete Scenarios
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Does Simple.Data support the following style query?

DELETE FROM Users
WHERE locationId IN
(
    SELECT locationid FROM Location WHERE continent = Europe
)

I've tried a few examples including:
db.Users.DeleteAll(db.Users.LocationId.IN(db.Locations.FindAllByContinent(" Europe").Select(db.Location.LocationId)));

It's not throwing exceptions, but the SQL Server Profiler also tells me
that it isn't executing any SQL either.

How would I best achieve this in Simple.Data?

Cheers,


 
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m...@markrendle.net  
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 More options Nov 9 2012, 5:06 am
From: <m...@markrendle.net>
Date: Fri, 9 Nov 2012 10:06:51 +0000
Local: Fri, Nov 9 2012 5:06 am
Subject: RE: Complex Delete Scenarios
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Hey Gav,

No, that's not supported yet, I'm planning to do some work on compound operations like that in 2.0, which is probably starting in earnest around the end of the year.

In the meantime, stored procs are my catch-all work-around recommendation. 😊

Cheers,

Mark

Sent from Windows Mail

From: Gavin Osborn
Sent: ‎08‎ ‎November‎ ‎2012 ‎19‎:‎27
To: simpledata@googlegroups.com
Subject: Complex Delete Scenarios

Does Simple.Data support the following style query?

DELETE FROM Users

WHERE locationId IN

(

    SELECT locationid FROM Location WHERE continent = Europe

)

I've tried a few examples including:

db.Users.DeleteAll(db.Users.LocationId.IN(db.Locations.FindAllByContinent(" Europe").Select(db.Location.LocationId)));

It's not throwing exceptions, but the SQL Server Profiler also tells me that it isn't executing any SQL either.

How would I best achieve this in Simple.Data?

Cheers,


 
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