honeysql
Elm
honeysql | Elm | |
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16 | 198 | |
1,705 | 7,451 | |
- | 0.2% | |
8.6 | 5.4 | |
15 days ago | about 2 months ago | |
Clojure | Haskell | |
- | BSD 3-clause "New" or "Revised" License |
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honeysql
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Why Is Jepsen Written in Clojure?
I recall using korma way back I and I don’t recall it being terrible but I would say https://github.com/seancorfield/honeysql has very much superseded it by this point… (but I can see how that might not be obviously clear if one is to look at superficial metrics like GitHub stars for example…)
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That's a Lot of YAML
Joins can certainly work in a data format like YAML. For an example, see Honey SQL from the Clojure community [0] (though without something to contrast strings like Clojure's keywords, you miss out on the automatic parameterization).
You mentioned moving JOINs around, so I'll mention that if represented as structured data, you can move any of the top level components around, so you could more closely follow the "true order of SQL" [1]. For example, I would love to be able to put FROM before SELECT in all or almost all cases. There's also being able to share and add to something like a complicated WHERE clause, where essentially all programming languages have built-in facilities for robustly manipulating ordered and associative data compared to string manipulation, which is not well-suited for the task.
Now don't get me wrong, I don't particularly care for YAML (though it doesn't bother me that much), but as someone who's done their fair share of programmatic SQL creation and manipulation in strings, not having a native way to represent SQL as data is a mistake in my opinion.
0: https://github.com/seancorfield/honeysql#big-complicated-exa...
- Como desenvolvi um backend web em Clojure
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XTDB 2.x Early Access
In Clojure-land, we are also using HoneySQL [1] which has similar characteristics. You are still working within SQL semantics so it's a bit more complicated, but we are doing great complicated things with just maps, no API necessary.
[1] https://github.com/seancorfield/honeysql
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Run SQL queries against your system and get back structured data using osquery and Babashka
using honeysql we can make structured queries as well
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Some questions regarding developing simple web apps in Clojure from a Clojure "beginner"
As someone else already pointed out, next.jdbc is good for database connectivity (for Postgres and beyond). For composing the queries themselves, I strongly recommend Honey SQL. It lets you represent queries themselves as normal Clojure data structures, just vectors and maps.
- What are some more options or good practices for dynamic SQL query building?
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Ask HN: Does anyone else think SQL needs help?
Perhaps you're looking for a way of arranging SQL as an AST represented by data structures (or objects) that can be fed to a compiler. HoneySQL[0] is one such implementation of this idea and it makes your general transformation trivial for Clojure programs. You don't need to mess around with string concatenation because you have a predictable and extensible compiler for data structures (which are themselves easily composable/transformable/storable with Clojure) that you can trust to do the right thing. If you're using some weird database or need an esoteric syntax, extending the compiler to your clause is easy to do[1].
[0] https://github.com/seancorfield/honeysql
[1] https://github.com/seancorfield/honeysql#extensibility
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Lisp feature - domain specific language
https://github.com/seancorfield/honeysql (write SQL without having to write SQL)
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Fly.io Buys Litestream
I've used it from Clojure, via HoneySQL, so no ORM, no danger of SQL injection. It was really wonderful!
https://github.com/seancorfield/honeysql
I used it to quickly iterate on the development of migration SQL scripts for a MySQL DB, which was running in production on RDS.
I might have switched to H2 DB later, because that was more compatible with MariaDB, but I could use the same Clojure code, representing the SQL queries, because HoneySQL can emit different syntaxes.
Elm
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Ludic: New framework for Python with seamless Htmx support
Elm [1] is based on a similar idea. Build your app from pure functions that return HTML tags.
[1] https://elm-lang.org/
- Learning Elm by porting a medium-sized web front end from React (2019)
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Can you make your own JavaScript by implementing ECMAScript standard?
You also wouldn't really be creating your own new programing language. You would be creating something that can run JavaScript by following JavaScript standards and syntax. You might be able to add some non-standard features of your own on top of those standards, or include your own standard library of helpers or utilities, but you can't completely make a new or alternative language and then load it in the browser (or at least not by reimplementing ECMAScript standards... you actually can make your own language that runs within any Javascript enviroment, if you provide an interpreter or compiler that transforms it into valid JS. Some people have done something like this, eg Elm: https://elm-lang.org/).
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What is the best way to present the user the results of Haskell computations?
You should at least have a look at https://elm-lang.org/ it is a pure functional language like Haskell (although with fewer fancy syntax/type classes) but it has some lovely libraries for visualisation and even with plain elm (+ elm-ui) doing string transformations can be easily done.
- Course using F#: Write your own tiny programming system(s)
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Building React Components Using Unions in TypeScript
I get it. However, the whole point of using Unions to narrow your types, ensure only a set of possible scenarios can occur, and only access data of a particular union when it’s safe to do so. That’s some of what pattern matching can provide, and 100% of what using switch statements in TypeScript with their Discriminated Unions can provide. Yes, it’s not 100% exhaustive, but TypeScript is not soundly typed, and even Elm which is still has the same issue TypeScript does: You’re running in JavaScript where anything is possible. So it’s good enough to build with and much better than what you had.
- What's the state of the Elm repo? · Issue #2308 · elm/compiler
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How to render a basic calendar UI in Elm
The beauty of a language like Elm (and other lambda-calculus / functional programming inspired languages) is that there's very little transformation involved in going from an idea to code. And that seems to have a big impact on getting things done.
- Como desenvolvi um backend web em Clojure
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Is it possible to write games like Pac-Man in a functional language?
I think the most fun and approachable way for beginners to build games with functional programming is with Elm [1].
See a few (small, demo) games built by the community in [2] .
Notice Elm has abandoned the FRP approach in favor of Model-View-Update [3].
[1] https://elm-lang.org/
What are some alternatives?
hugsql - A Clojure library for embracing SQL
rescript-compiler - The compiler for ReScript.
SqlKata Query Builder - SQL query builder, written in c#, helps you build complex queries easily, supports SqlServer, MySql, PostgreSql, Oracle, Sqlite and Firebird
haskelm - Haskell to Elm translation using Template Haskell. Contains both a library and executable.
malli - High-performance data-driven data specification library for Clojure/Script.
purescript - A strongly-typed language that compiles to JavaScript
pggen - Generate type-safe Go for any Postgres query. If Postgres can run the query, pggen can generate code for it.
yew - Rust / Wasm framework for creating reliable and efficient web applications
missionary - A functional effect and streaming system for Clojure/Script
idris - A Dependently Typed Functional Programming Language
awesome-clojure - A curated list of awesome Clojure libraries and resources. Inspired by awesome-... stuff
reflex - Interactive programs without callbacks or side-effects. Functional Reactive Programming (FRP) uses composable events and time-varying values to describe interactive systems as pure functions. Just like other pure functional code, functional reactive code is easier to get right on the first try, maintain, and reuse.