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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     Limit on number of 'WHERE ' Statements?

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Limit on number of 'WHERE ' Statements?
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Kal
Silver Member
posted
Hi!
Wondering if anyone has an idea on the Max number of 'WHERE ' Statements possible!
Browsed through the available docuementation on 'WHERE ' but no luck yet Frowner

My client here seem to be running queries with thousands of WHERE's and now trying to convert to WF.
I've suggested to use 'WHERE IN FILE ' instead, but was wondering if there is any better way of overcoming the limitations?

Thank you!!


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WFS - V7.6.8 Servlet on Win2k3 VM, Tomcat, ResourceAnalyzer;
DevStudio - R7.6.8, FlexEnable,VisDis; MRE/BID/self-service/Rcaster/ Office2k3;
DB-SQL2005;
 
Posts: 33 | Location: MN | Registered: May 17, 2005Report This Post
Prarie
Virtuoso
posted Hide Post
From the IBI site.

There is no limit to the number of WHERE statements in a FOCEXEC.

There is a limit to the number of test values in a WHERE statement.
Currently the buffersize to contain test values is 16,000 bytes for a
WHERE statement against a FOCUS database or relational table.

NOTE:The buffersize for an IF statement is 32,737.
The buffersize for SUFFIX=FIX or VSAM files is 3,200 for WHERE or IF
statements.


In Focus since 1993. WebFOCUS 7.7.03 Win 2003
 
Posts: 1903 | Location: San Antonio | Registered: February 28, 2005Report This Post
Kal
Silver Member
posted Hide Post
Thanks very much for this quick response, Prarie!
... Appreciate those additional Notes, its good to know!

Also, while I am here, let me also say
KUDOS TO ALL YOU CONTRIBUTORS!!
(Have been browsing through the Email-digest everyday, and they really help as in a steep learning curve.. You guys rule!! Thank you! )
 
Posts: 33 | Location: MN | Registered: May 17, 2005Report This Post
GCohen
Platinum Member
posted Hide Post
The size of the WHERE buffer used to be 32,000 characters. In the latest release this is probably unlimited. BUT, the database may have a limit on the maximum number of characters in a WHERE clause, and that was the reason we had a 32,000 limit.


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Posts: 226 | Registered: June 08, 2003Report This Post
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