postgresql-pure を開発しました - 趣味はデバッグ……
この記事は Haskell Advent Calendar 2019 の6日目の記事です。 hackage.haskell.org postgresql-pure は Haskell の PostgreSQL ドライバー（クライアントライブラリー）で次のような目標で開発しました。 マルチコア環境でのパフォーマンス向上 暗黙のロックを回避する マルチプラットフォーム対応 C ライブラリーの libpq への依存をなくして特に Windows でのビルドを容易にする 既存ライブラリーとしては postgres-wire が高速だがそれは Windows をサポートしていない pure Haskell 実装のため Eta などの環境へも移植しやすい可能性がある 使用方法 簡単に使用方法を説明します。 下記のようなテーブルがあるとします。 CREATE TABLE person ( id seri
GitHub - hasura/graphql-engine: Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access control, also trigger webhooks on database events.
The future of data delivery is GA: Supporting PostgreSQL (and its flavors), MongoDB, ClickHouse, and MS SQL Server. Also supports writing custom business logic using the Typescript, Python, and Go Connector SDKs. Here is the recommended Getting Started guide on DDN. The Hasura v3 engine code, which powers Hasura DDN, is in the v3 folder of this repo. You can find more detailed information about in
GitHub - greydot/persistent-iproute: IPRoute instances and utility functions for use with Persistent
Migrating from RethinkDB to Postgres — An Experience Report
TL;DR: we switched from RethinkDB and ElasticSearch to Postgres, leaning heavily on Haskell in order to fill in some of the gaps quickly. The project was a success, and we’re very happy with the switch. Haskell has been invaluable for refactoring safely and confidently. MotivationAt Lumi, our backend stack has historically used RethinkDB for the primary database and ElasticSearch for indexing and
GitHub - morphismtech/squeal: Squeal, a deep embedding of SQL in Haskell
Squeal is a deep embedding of SQL into Haskell. By "deep embedding", I am abusing the term somewhat. What I mean is that Squeal embeds both SQL terms and SQL types into Haskell at the term and type levels respectively. This leads to a very high level of type-safety in Squeal. Squeal embeds not just the structured query language of SQL but also the data manipulation language and the data definition
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GitHub - velveteer/postgresql-simple-leak-repro
Fast Counting with PostgreSQL and Haskell
GitHub - scrive/hpqtypes
GitHub - circuithub/rel8: Hey! Hey! Can u rel8?
2020-12-27: A story about resource pool
GitHub - diogob/hasql-notifications: Use PostgreSQL LISTEN/NOTIFY with your Hasql Types
GitHub - jfischoff/postgresql-libpq-notify: A postgresql notifications library for libpq
GitHub - jfischoff/tmp-postgres: Create temporary postgres instances
GitHub - alevy/postgresql-orm: An Haskell ORM (Object Relational Mapping) and migrations DSL for PostgreSQL.
GitHub - BardurArantsson/pg-harness: REST service for creating temporary databases for PostgreSQL
GitHub - ameingast/postgresql-simple-migration: PostgreSQL Schema Migrations for Haskell
GitHub - arbor/arbor-postgres: Convenience types and functions to make postgresql-simple easier and less error-prone to use.
GitHub - PostgREST/postgrest: REST API for any Postgres database
GitHub - postgres-haskell/postgres-wire: A native Haskell driver for PostgreSQL
GitHub - dylex/postgresql-typed: Haskell PostgreSQL library with compile-time type inference
