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rickyb
Member
posted
I have duplicate data in a FOCUS database.
I get the following error when attemnpting to access the data:

> fscan file f09733
(FOC680) THE ROOT SEGMENT OF THE DATABASE CONTAINS DUPLICATE KEY VALUES
>

Does anyone know of a way to eliminate the duplicates?
 
Posts: 10 | Registered: May 11, 2005Report This Post
Francis Mariani
Expert
posted Hide Post
Try looking into the REBUILD REORG utility. I haven't used it in a while, but it might help.


Francis


Give me code, or give me retirement. In FOCUS since 1991

Production: WF 7.7.05M, Dev Studio, BID, MRE, WebSphere, DB2 / Test: WF 8.1.05M, App Studio, BI Portal, Report Caster, jQuery, HighCharts, Apache Tomcat, MS SQL Server
 
Posts: 10577 | Location: Toronto, Ontario, Canada | Registered: April 27, 2005Report This Post
rickyb
Member
posted Hide Post
I don't think the reorg/rebuild eliminates duplicate keys.
 
Posts: 10 | Registered: May 11, 2005Report This Post
j.gross
Virtuoso
posted Hide Post
- To identify the duplicated key values:

TABLE FILE yours
COUNT ENTRIES BY rootkey1 [BY rootkey2 ...]
IF TOTAL COUNT GT 1
END

- You'll have to list the records with the duplicated keys, and decide what to do with them. If the file has multiple segment, you'll have to decide how to merge the several subtrees (parents plus their descendents) for each duplicated key.

- To delete selected instances: If there is a non-key field in the segment that can serve to identify the expendable ones, you can match on key and non-key fields:

MODIFY FILE yours
FREEFORM rootkey nonkey
MATCH rootkey nonkey
ON NOMATCH REJECT
ON MATCH DEKETE
DATA
rootkeyvalue, nonkeyvalue, $
rootkeyvalue, nonkeyvalue, $
END


- Jack Gross
WF through 8.1.05
 
Posts: 1925 | Location: NYC | In FOCUS since 1983 | Registered: January 11, 2005Report This Post
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