May 2017
Beginner
416 pages
10h 37m
English
Content preview from Mastering PostgreSQL 9.6
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Making use of GET DIAGNOSTICS
Many of you who have used Oracle in the past might be familiar with the GET DIAGNOSTICS clause. The idea behind the GET DIAGNOSTICS clause is to allow users to see what is going on in the system. While the syntax might appear a bit strange to people who are used to modern code, it is still a valuable tool you can use to make your applications better.
From my point of view, there are two main tasks that the GET DIAGNOSTICS clause can be used for:
- Inspecting the row count
- Fetching context information and getting a backtrace
Inspecting the row count is definitely something you will need during everyday programming. Extracting context information will be useful if you want to debug applications.
The following example ...
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