FirstValue() returns the value that was loaded first from the records defined by the expression, sorted by a group by clause.
Syntax:
Return data type: dual
Arguments:
| Argument | Description |
|---|---|
| expr | The expression or field containing the data to be measured. |
Limitations:
If no text value is found, NULL is returned.
Examples and results:
Add the example script to your app and run it. Then add, at least, the fields listed in the results column to a sheet in your app to see the result.
| Example | Result | |
|---|---|---|
|
TeamData: LOAD * inline [ SalesGroup|Team|Date|Amount East|Gamma|01/05/2013|20000 East|Gamma|02/05/2013|20000 West|Zeta|01/06/2013|19000 East|Alpha|01/07/2013|25000 East|Delta|01/08/2013|14000 West|Epsilon|01/09/2013|17000 West|Eta|01/10/2013|14000 East|Beta|01/11/2013|20000 West|Theta|01/12/2013|23000 ] (delimiter is '|');
FirstValue1: LOAD SalesGroup,FirstValue(Team) as FirstTeamLoaded Resident TeamData Group By SalesGroup; |
SalesGroup East West |
FirstTeamLoaded Gamma Zeta |
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