https://github.com/jacoby6000/sqlz

Pure Functional SQL generation.
https://github.com/jacoby6000/sqlz

scala sql sql-builder sql-dsl

Last synced: about 1 month ago
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Pure Functional SQL generation.

• Host: GitHub
• URL: https://github.com/jacoby6000/sqlz
• Owner: Jacoby6000
• License: mit
• Created: 2016-02-02T14:23:55.000Z (over 9 years ago)
• Default Branch: series/0.4.x
• Last Pushed: 2018-10-05T17:43:06.000Z (over 6 years ago)
• Last Synced: 2025-04-18T18:33:15.723Z (about 1 month ago)
• Topics: scala, sql, sql-builder, sql-dsl
• Language: Scala
• Homepage:
• Size: 1.32 MB
• Stars: 40
• Watchers: 5
• Forks: 4
• Open Issues: 6
• Metadata Files:
  • Readme: readme.md
  • License: LICENSE

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README

        
# Abandoned

I am no longer working on this.  Master is currently very broken, and probably does not have good architecture. It is a partial implementation of SQL using tagless algebras...

I am giving up, because the way to correctly do this would be with a mutually recursive AST.  I had implemented this in an old version of dotty (see the dotty branch) where it _appeared_ to work, but there were some issues when evaluating the recursive parts of the algebra for the paramorphism. Also, I should've been using `histoM` instead of `paraM` looking back... Anyway, it doesn't matter. Scala doesn't support GADTs and what I had working with Dotty no longer compiles for reasons I don't understand (though, admittedly, I didn't try that hard). 

This should be correctly doable using tagless algebras as well, however I am not really a fan of that approach for this particular problem. Modelling SQL using a mutually recursive AST felt right... Tagless doesn't. That's just my opinion though.  Feel free to pick this up if you want.

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