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Limit of IN
Message
 
À
26/03/2012 13:57:07
Information générale
Forum:
Microsoft SQL Server
Catégorie:
Syntaxe SQL
Titre:
Versions des environnements
SQL Server:
SQL Server 2008
Divers
Thread ID:
01539386
Message ID:
01539400
Vues:
46
Try
WHERE clm_pk IN (<< m.lcListOfPKs >>)
>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?
_______________________________________________________________
Testing displays the presence, not the absence of bugs.
If a software application has to be designed, it has to be designed correctly!
_______________________________________________________________
Vladimir Zografski
Systems Analyst
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