capability
hasql-th
| capability | hasql-th | |
|---|---|---|
| 1 | 4 | |
| 213 | 110 | |
| 0.5% | - | |
| 2.7 | 5.2 | |
| 4 months ago | 5 months ago | |
| Haskell | Haskell | |
| BSD 3-clause "New" or "Revised" License | MIT License |
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capability
hasql-th
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How to use PostgreSQL with Haskell: hasql
Hasql is an ecosystem of libraries. To keep it simple, let’s limit ourselves to core hasql, hasql-transaction, and hasql-th. We’re using hasql 1.6.3.2 published in 2023.
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Parsing SQL
unexpected '&'
https://github.com/nikita-volkov/hasql-th#error-example-1
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Open Source SQL Parsers
There is also a Haskell port of the original PostgreSQL parser, implemented using megaparsec, which makes it highly flexible and hackable: https://github.com/nikita-volkov/hasql-th#implementation
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Haskell doesn't make sense without pure functions
I'd consider hasql-th a good example in what concerns databases. Otherwise, I just use aeson together with deriving-aeson and lens-aeson.
What are some alternatives?
mtl - The Monad Transformer Library
Neks - A dead simple networked key/value store
assert-failure - syntactic sugar that improves the usability of 'assert' and 'error' in Haskell
tokyocabinet-haskell - This repository will get archived soon. Please visit https://git.singpolyma.net/tokyocabinet-haskell
hpc-coveralls - coveralls.io support for haskell code coverage with hpc
hasql - The fastest PostgreSQL libpq-based driver for Haskell
operational - Implement monads by specifying instructions and their desired operational semantics.
wai-middleware-cache-redis - Redis backend for wai-middleware-cache
ifcxt - constraint level if statements
ampersand - Build database applications faster than anyone else, and keep your data pollution free as a bonus.
machines - Networks of composable stream transducers
hasql-notifications - Use PostgreSQL LISTEN/NOTIFY with your Hasql Types