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Squealgen Alternatives
Similar projects and alternatives to squealgen
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ghc
Mirror of the Glasgow Haskell Compiler. Please submit issues and patches to GHC's Gitlab instance (https://gitlab.haskell.org/ghc/ghc). First time contributors are encouraged to get started with the newcomers info (https://gitlab.haskell.org/ghc/ghc/wikis/contributing).
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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squealgen reviews and mentions
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What's your favorite Database EDSL/library in Haskell?
https://github.com/morphismtech/squeal, because, to my knowledge, it's the only option that both maintains deep type safety without losing the expressive power of SQL. It can even typecheck your database migrations. There's even a tool to generate the types of your schema based on an existing database: https://github.com/mwotton/squealgen
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How can type inference represent calculation?
Indeed, this is exactly what squeal does. You define (or generate from your schema) a type-level description of your tables, including whether each column can be null or not, and squeal type-checks your SQL queries, including checking whether those fields should be wrapped in a Maybe or not. In the linked documentation, note how the user_id and email fields are defined:
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How to dynamically create types?
If the DB is Postgres, then this is actually probably a good usecase for Squeal, along with squealgen. It has a bit of a learning curve, but what you get is the ability to read an existing DB and generate a type-level schema from it automatically, which can then be used for completely type-safe queries. It also supports type-level migrations.
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A note from our sponsor - SaaSHub
www.saashub.com | 10 May 2024
Stats
mwotton/squealgen is an open source project licensed under BSD 3-clause "New" or "Revised" License which is an OSI approved license.
The primary programming language of squealgen is Haskell.
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