July 2005
Intermediate to advanced
1032 pages
27h 10m
English
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Function Body
Now that you have an overview of the components of a PL/pgSQL function, let's look at the function body in greater detail. I'll start by showing you how to include documentation (that is, comments) in your PL/pgSQL functions. Next, I'll look at variable declarations. Finally, I'll finish up this section by describing the different kinds of statements that you can use inside of a PL/pgSQL function.
Comments
There are two comment styles in PL/pgSQL. The most frequently seen comment indicator is the double dash: --. A double dash introduces a comment that extends to the end of the current line. For example:
-- This line contains a comment and nothing else DECLARE customer_id INTEGER; -- This is also a comment -- due_date DATE; -- ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.