February 2018
Intermediate to advanced
340 pages
9h 43m
English
Content preview from Go Standard Library Cookbook
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How it works...
As mentioned in the previous recipe, Connecting the database, the Open function may just verify the connection details, but it is not mandatory to connect the database immediately. The actual connection to the database is usually lazy loaded and it is created by the first execution of statement against the database.
The pointer to the DB structure provides the Ping method, which usually does an idempotent call to the database. The variation to the Ping method is PingContext, which just adds the ability to cancel or time out the database call. Note that if the Ping function fails, the connection is removed from the database pool.
The pointer to the DB struct also provides the method Conn to retrieve the connection from the ...
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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.