October 2017
Intermediate to advanced
566 pages
14h 31m
English
Content preview from Drupal 8 Module Development
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Select queries
There are two ways we can run select queries in Drupal 8, and they both work similarly to the way they did in Drupal 7. We have the D8 equivalents of db_query() and db_query_range() and the equivalent of db_select(). This will look familiar to D7 developers. In Drupal 8, these procedural functions still exist, but, in a deprecated state. This only means that instead of using the old functions, we should use the connection service I mention next.
The first type of select queries are typically more performant because we construct them by writing the SQL statements ourselves (with placeholders, of course), whereas the db_select() type of query is an OOP query builder that still needs to transform a chained object construct into ...
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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.