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Mastering RethinkDB

You're reading from   Mastering RethinkDB Master the skills of building real-time apps dramatically easier with open source, scalable database - RethinkDB

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Product type Paperback
Published in Dec 2016
Publisher Packt
ISBN-13 9781786461070
Length 330 pages
Edition 1st Edition
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Author (1):
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Shahid Shaikh Shahid Shaikh
Author Profile Icon Shahid Shaikh
Shahid Shaikh
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Toc

Table of Contents (11) Chapters Close

Preface 1. The RethinkDB Architecture and Data Model 2. RethinkDB Query Language FREE CHAPTER 3. Data Exploration Using RethinkDB 4. Performance Tuning in RethinkDB 5. Administration and Troubleshooting Tasks in RethinkDB 6. RethinkDB Deployment 7. Extending RethinkDB 8. Full Stack Development with RethinkDB 9. Polyglot Persistence Using RethinkDB 10. Using RethinkDB and Horizon

Calling HTTP APIs using ReQL


RethinkDB provides support to call an external API that returns data in a JSON object, which most of the large API provider do. You can call HTTP API directly from your database hence no need of writing piece of code to just call an API and then dump into database. RethinkDB also handles it asynchronously so performance won't be affected if the API takes a longer time.

Let us try one basic API call before moving ahead with storing those in our table. We all know and use OMDb for movies review. There is a website called http://omdbapi.com/ that provides APIs to find out the movie information present in the OMDB database. Let's call one with the following code to fetch information about the Avengers movie and see how it goes:

rethinkdb.http("http://www.omdbapi.com/?t=avengers&y=2015&plot=short&r=json").run(connection,function(err,data) { 
if(err) { 
throw new Error(err); 
  } 
console.log(data); 
}); 

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You have been reading a chapter from
Mastering RethinkDB
Published in: Dec 2016
Publisher: Packt
ISBN-13: 9781786461070
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