postgres_migrator
atlas
postgres_migrator | atlas | |
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7 | 68 | |
85 | 5,220 | |
- | 4.6% | |
5.1 | 9.8 | |
5 months ago | 4 days ago | |
Rust | Go | |
MIT License | Apache License 2.0 |
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postgres_migrator
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We built our customer data warehouse all on Postgres
Thanks! Yeah definitely agree that building out declarative table management for Postgres would be a major effort. A few open source projects I've seen in that area include:
https://github.com/sqldef/sqldef (Go)
https://github.com/bikeshedder/tusker (Python but being ported to Rust)
https://github.com/tyrchen/renovate (Rust)
https://github.com/blainehansen/postgres_migrator (Rust)
Some of these are based on parsing SQL, and others are based on running the CREATEs in a temporary location and introspecting the result.
The schema export side can be especially tricky for Postgres, since it lacks a built-in equivalent to MySQL's SHOW CREATE TABLE. So most of these declarative pg tools shell out to pg_dump, or require the user to do so. But sqldef actually implements CREATE TABLE dumping in pure Golang if I recall correctly, which is pretty cool.
There's also the question of implementing the table diff logic from scratch, vs shelling out to another tool or using a library. For the latter path, there's a nice blog post from Supabase about how they evaluated the various options: https://supabase.com/blog/supabase-cli#choosing-the-best-dif...
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Pgroll: zero-downtime, undoable, schema migrations for Postgres
Forr postgres, how does the schema diffing aspect compare to migra?
https://github.com/djrobstep/migra
I'm asking because, although migra is excellent and there are multiple migrations tools based on it (at least https://github.com/bikeshedder/tusker and https://github.com/blainehansen/postgres_migrator), issues are piling up but development seem to be slowing down
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Diesel 2.1
Is this similar to migra? There's a tool written in Rust that calls it, postgres_migrator (there's also tusker)
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Ask HN: ORM or Native SQL?
The best solution I've ever seen is this Rust library https://github.com/cornucopia-rs/cornucopia
You write plain SQL for you schema (just a schema.sql is enough) and plain SQL functions for your queries. Then it generates Rust types and Rust functions from from that. If you don't use Rust, maybe there's a library like that for your favorite language.
Optionally, pair it with https://github.com/bikeshedder/tusker or https://github.com/blainehansen/postgres_migrator (both are based off https://github.com/djrobstep/migra) to generate migrations by diffing your schema.sql files, and https://github.com/rust-db/refinery to perform those migrations.
Now, if you have simple crud needs, you should probably use https://postgrest.org/en/stable/ and not an ORM. There are packages like https://www.npmjs.com/package/@supabase/postgrest-js (for JS / typescript) and probably for other languages too.
If you insist on an ORM, the best of the bunch is prisma https://www.prisma.io/ - outside of the typescript/javascript ecosystem it has ports for some other languages (with varying degrees of completion), the one I know about is the Rust one https://prisma.brendonovich.dev/introduction
- migrator: automatically generate postgres migrations from a declarative raw sql schema
- migrator: automatically generate postgres migrations from a declarative raw sql schema, written in Rust
- Migrator: Automatically generate Postgres migrations from declarative SQL schema
atlas
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How to handle migrations in Golang
Atlas
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Pgroll: zero-downtime, undoable, schema migrations for Postgres
Check out: https://github.com/ariga/atlas
(I'm one of the authors of this project).
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Show HN: Postgres Language Server
fwiw, I personally am interested in this approach too[0]. I keep running into roadblocks around the ordering of events and some of the hairy issues around "destructive" actions (eg: renaming columns). i think we can get there, especially once we make progress with this LSP.
There are other notable mentions in this space:
Reshape: https://fabianlindfors.se/blog/schema-migrations-in-postgres...
Atlas: https://atlasgo.io/
[0] https://github.com/kiwicopple/declarative-schemas
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Database migration tool
Atlas: https://github.com/ariga/atlas. It can be integrated with any ORM, but also has an official one for GORM: https://atlasgo.io/guides/orms/gorm
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Queryx: An Open-Source Go ORM with Automatic Schema Management
Run the queryx db:create command to create a PostgreSQL database, and then run queryx db:migrate to automatically create the database migration files and database structure. Queryx’s database schema management is built upon Atlas.
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Tool for generating automatic migrations/schema diff
One of https://atlasgo.io's creators here.
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Prisma like PGX Auto migration library
In this case, I'd recommend you to check Atlas: https://github.com/ariga/atlas
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Quickly visualize your Django schemas with DjangoViz
My name is Rotem, I'm one of the creators of Atlas (https://atlasgo.io) a modern open-source schema management tool. Recently one of our engineers created a cool Django plugin that creates beautiful (in my eyes at least ;-)) and shareable ERDs from your Django data models.
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Is there a similar tool or alternative in Go like strong_migrations?
Yes, there is: Atlas! https://atlasgo.io / https://github.com/ariga/atlas.
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How to run DB migrations in CICD
Hi there You should take a look at Atlas - https://atlasgo.io which can help your team in many aspects of CI/ CD for databases : * CI - detect (and prevent) risky / incorrect migrations automatically * CD - support for modern deployment infrastructure (terraform, helm, etc)
What are some alternatives?
refinery - Powerful SQL migration toolkit for Rust.
datahub - The Metadata Platform for your Data Stack
pgroll - PostgreSQL zero-downtime migrations made easy
migrate - Database migrations. CLI and Golang library.
migra - Like diff but for PostgreSQL schemas
sqlc - Generate type-safe code from SQL
quantumdb - Zero-downtime schema evolution for PostgreSQL
InfluxDB - Scalable datastore for metrics, events, and real-time analytics
safeql - Composable / async / functional / type-safe / parallel-pipelined queries and relations without SQL injection or N+1s.
skeema - Declarative pure-SQL schema management for MySQL and MariaDB
tusker - PostgreSQL migration management tool
pogreb - Embedded key-value store for read-heavy workloads written in Go