eventstore alternatives and similar packages
Based on the "Database" category.
Alternatively, view eventstore alternatives based on common mentions on social networks and blogs.
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erd
Translates a plain text description of a relational database schema to a graphical entity-relationship diagram. -
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HDBC-session
This repository includes a joined query generator based on typefull relational algebra, and mapping tools between SQL values list and Haskell record type. -
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groundhog
This library maps datatypes to a relational model, in a way similar to what ORM libraries do in OOP. See the tutorial https://www.schoolofhaskell.com/user/lykahb/groundhog for introduction -
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mysql-simple
A mid-level client library for the MySQL database, intended to be fast and easy to use. -
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dbmigrations
DISCONTINUED. A library for the creation, management, and installation of schema updates for relational databases. -
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ampersand
This repository contains the source code of the Ampersand compiler. For developing in VS-code, it contains a devcontainer. It contains a Dockerfile for generating a docker image. A commit on the main branch sets of the build street, which creates a new image in the ampersand repository in docker hub. -
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hsparql
hsparql includes a DSL to easily create queries, as well as methods to submit those queries to a SPARQL server, returning the results as simple Haskell data structures.
InfluxDB high-performance time series database
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README
EventStore Haskell TCP client
Talk and exchange ideas in our dedicated Discord Server
That driver supports 100% of EventStore features ! More information about the GetEventStore database can be found there: https://eventstore.com/
Requirements
- 64bits system
- GHC >= 8.0.3
- Cabal >= 1.18
- EventStore >= 4 (Doesn't support EventStore 2020 Preview yet, previously named version 6).
Note: If you use this client version >= to 1.1, it will only supports EventStore >= 4.0.0.
Install
Using Hackage
$ cabal update $ cabal install eventstoreFrom source
$ git clone https://github.com/YoEight/eventstore.git $ cd eventstore $ cabal install
How to test
Tests are available. Those assume a server is running on 127.0.0.1 and 1113 port.
$ cabal test
How to use
{-# LANGUAGE OverloadedStrings #-} -- That library uses `Text` pervasively. This pragma permits to use
-- String literal when a Text is needed.
module Main where
import Control.Concurrent.Async (wait)
import Data.Aeson
-- It requires to have `aeson` package installed. Note that EventStore doesn't constraint you to JSON
-- format but putting common use aside, by doing so you'll be able to use some interesting EventStore
-- features like its Complex Event Processing (CEP) capabality.
import Database.EventStore
-- Note that imports 'NonEmpty' data constructor and 'nonEmpty' function from
-- 'Data.List.NonEmpty'.
main :: IO ()
main = do
-- A common pattern with an EventStore connection is to create a single instance only and pass it
-- wherever you need it (it's threadsafe). It's very important to not consider an EventStore connection like
-- its regular SQL counterpart. An EventStore connection will try its best to reconnect
-- automatically to the server if the connection dropped. Of course that behavior can be tuned
-- through some settings.
conn <- connect defaultSettings (Static "127.0.0.1" 1113)
let js = object ["isHaskellTheBest" .= True] -- (.=) comes from Data.Aeson module.
evt = createEvent "programming" Nothing (withJson js)
-- Appends an event to a stream named `languages`.
as <- sendEvent conn (StreamName "languages") anyVersion evt Nothing
-- EventStore interactions are fundamentally asynchronous. Nothing requires you to wait
-- for the completion of an operation, but it's good to know if something went wrong.
_ <- wait as
-- Again, if you decide to `shutdown` an EventStore connection, it means your application is
-- about to terminate.
shutdown conn
-- Make sure the EventStore connection completes every ongoing operation. For instance, if
-- at the moment we call `shutdown` and some operations (or subscriptions) were still pending,
-- the connection aborted all of them.
waitTillClosed conn
Notes
That library was tested on Linux and OSX.
Contributions and bug reports are welcome!
BSD3 License
-Yorick Laupa
*Note that all licence references and agreements mentioned in the eventstore README section above
are relevant to that project's source code only.