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[CLOSED]JOIN where records don't exist
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I am joining a table of metrics for a list of personnel. If the person does not exist in the metrics table, I need to assign a standardized metric without hardcoding. I have a standardized line in my metrics table labeled "STAND". How do would I join to the "STAND" if the person does not exist?

This message has been edited. Last edited by: <Emily McAllister>,


WebFOCUS 8.1.04
Windows, All Outputs
 
Posts: 9 | Location: United States | Registered: March 18, 2015Reply With QuoteReport This Post
Platinum Member
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Hi Maggie,

There are several ways.

One way would to make 2 joins, an (outer) join on the person metrics and another join to the STAND metrics. Then make defines for the metric attributes you need like METRIC1 = IF person.METRIC1 IS MISSING THEN stand.METRIC1 ELSE person.METRIC1;

The second join is however always to the same one record, so for performance reasons it seems better to first fetch only that record and place the required metrics in amper variables (HOLD en -READFILE). Again you would need the defines as above, but replace the stand.METRIC1 by the amper variables.

I hope this gets you on the way.

Martin.


WebFocus 8203M, iWay DataMigrator, Windows, DB2 Windows V10.5, MS SQL Server, Azure SQL, Hyperstage, ReportCaster
 
Posts: 154 | Registered: March 29, 2013Reply With QuoteReport This Post
Virtuoso
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Hi Maggie and welcome to the WF forum!
You don't say what type of table holds your metrics neither from where are you joining.
What do you mean by "without hardcoding"?


Daniel
In Focus since 1982
wf 8.202M/Win10/IIS/SSA - WrapApp Front End for WF

 
Posts: 1936 | Location: Tel Aviv, Israel | Registered: March 23, 2006Reply With QuoteReport This Post
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