i create sql trigger but it show error

Question

1.00/5 (1 vote)

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SQL-Server-2012

please check my trigger code

SQL

SET @priority = (SELECT dbo.Jobs.ProcessStatus FROM dbo.Jobs WHERE dbo.Jobs.ProcessStatus = @NotificationTypeID);

        IF(@priority = 1)
        Begin
            SET @NotificationTypeID = 1;
            SET @NotificationType='Normal';
            End
        ELSE
            IF(@priority = 2)
            Begin
            SET @NotificationTypeID = 2;
            SET @NotificationType='Critical';
        END

Posted 13-Jul-15 1:37am

awaisshabir

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Richard Deeming 13-Jul-15 7:49am

Are we supposed to guess what error you're getting?

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Wendelius · Answer 1 · 2015-07-13T01:52:00

It would really help if you would post the error you encountered but...

Based on the code you provided you most likely encounter a problem that your query tries to fetch multiple rows into a single variable. This one

SQL

SET @priority = (SELECT dbo.Jobs.ProcessStatus FROM dbo.Jobs WHERE dbo.Jobs.ProcessStatus = @NotificationTypeID);

If that's true you have few choices:
- ensure that you select only one row by modifying the conditions
- create a loop using a cursor where you handle all the returned rows
- instead of cursor use a single statement to make modifications in the database (if you're modifying the data)

If the error is something different, please post the full description.