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Clojure Web Development Essentials

You're reading from   Clojure Web Development Essentials Develop your own web application with the effective use of the Clojure programming language

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Product type Paperback
Published in Feb 2015
Publisher
ISBN-13 9781784392222
Length 232 pages
Edition 1st Edition
Languages
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Author (1):
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Ryan Baldwin Ryan Baldwin
Author Profile Icon Ryan Baldwin
Ryan Baldwin
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Table of Contents (14) Chapters Close

Preface 1. Getting Started with Luminus 2. Ring and the Ring Server FREE CHAPTER 3. Logging 4. URL Routing and Template Rendering 5. Handling Form Input 6. Testing in Clojure 7. Getting Started with the Database 8. Reading Data from the Database 9. Database Transactions 10. Sessions and Cookies 11. Environment Configuration and Deployment A. Using Korma – a Clojure DSL for SQL Index

Appendix A. Using Korma – a Clojure DSL for SQL

In this book, we exclusively made use of YeSQL, a library that generates Clojure functions from native SQL. For an example application as small and simple as hipstr, YeSQL might be a tad overkill – its real beauty and elegance comes to light in larger projects that make use of large queries or lots of underlying database functionality. Furthermore, YeSQL does a decent job of abstracting away the underlying data model from the Clojure code.

That being said, there are many people who prefer using a domain specific language to interact with the database. This appendix will introduce you to Korma, a pure-Clojure DSL for SQL. This appendix will not cover Korma in its entirety (it's pretty full-fledged). Instead, this appendix will cover the following:

  • How to tie object models back to database tables
  • A light overview of selecting and inserting data using Korma
  • Port the connection, album-model, and user-model namespaces...
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