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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:
01539395
Vues:
47
>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?

BTW, forgot to mention that my colleague also ran into this same problem some time back (may be ~2 years ago). I forgot what was his solution.
If it's not broken, fix it until it is.


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