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Limit of IN
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26/03/2012 13:57:07
 
 
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Forum:
Microsoft SQL Server
Catégorie:
Syntaxe SQL
Titre:
Limit of IN
Versions des environnements
SQL Server:
SQL Server 2008
Divers
Thread ID:
01539386
Message ID:
01539386
Vues:
109
Hi,

I've been using a SQL query that uses a list of primary keys as a parameter to bring out all those records that a user selected.

The logic I use is:

User selects a bunch of records in a grid/cursor, I build up a list of all the primary keys (PKs) selected and pass this list to a method that builds up an SQL command using:

WHERE clm_pk IN (?m.lcListOfPKs)

The user has reported that when they select a large number (2000 odd) the result does not include all selected and seems to stop at a particular count (1800 odd). Is there a limit of how many items SQL server will use in an IN clause? Or maybe this is a VFP limit in terms of how long the string that I build up with the list of PKs can be?

Is there any other/better way to pass a list of Primary Keys from VFP to SQL Server in order to limit a result set?
Frank.

Frank Cazabon
Samaan Systems Ltd.
www.samaansystems.com
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