Metric Extensions (SQL based) - How to include information from other columns in alert message
To make the alert message more informative, I'd like to add more information from other columns of the sql I've created.
This document describes how to create a sql base metric extension:
But this only includes two columns, tablespace_name and free space. Tablespace_name is defined as Key Column and free space as data column (named Free_percentage).
The alert message is defined as: "The value of %columnName% for %keyValue% is %value%.
What I want to do is to add another column or more to my sql, and include this in the alert message. To achieve this I would Add Column to
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