pgroll
pREST
pgroll | pREST | |
---|---|---|
15 | 15 | |
2,587 | 4,103 | |
6.6% | 1.0% | |
9.4 | 7.9 | |
6 days ago | 15 days ago | |
Go | Go | |
Apache License 2.0 | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
pgroll
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How not to change PostgreSQL column type
My thoughts exactly. It's surprising that external online schema change tools for Postgres have only become a thing fairly recently! The only two I'm aware of are:
* pgroll: Written in Golang, first commits June 2023. https://github.com/xataio/pgroll
* pg-osc: Written in Ruby, first commits Dec 2021. https://github.com/shayonj/pg-osc
Meanwhile over in the MySQL and MariaDB ecosystem, external OSC tools have been around for quite some time, starting with oak-online-alter-table over 15 years ago. The most popular options today are pt-online-schema-change or gh-ost, but other battle-tested solutions include fb-osc, LHM, and the latest entry Spirit.
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Building a Managed Postgres Service in Rust
I thought I recognized xataio - they submitted pgroll a few months back https://news.ycombinator.com/item?id=37752366 (https://github.com/xataio/pgroll - Apache 2)
- Revolutionizing PostgreSQL Schema Changes with pg-osc
- PostgreSQL zero-downtime and reversible migrations
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How pgroll works under the hood
At the start of October we released pgroll, an open source tool for zero-downtime, reversible schema migrations for Postgres.
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Introducing pgroll: zero-downtime, reversible, schema migrations for Postgres
If you have any suggestions or questions, please open an issue in our GitHub repo, reach out to us on Discord or follow us on X / Twitter. We'd love to hear from you and keep you up to date with the latest progress on pgroll.
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Pgroll: zero-downtime, undoable, schema migrations for Postgres
Any pgroll operations[0] that require a change to an existing column, such as adding a constraint, will create a new copy of the column and backfill it using 'up' SQL defined in the migration and apply the change to that new column.
There are no operations that will modify the data of an existing column in-place, as this would violate the invariant that the old schema must remain usable alongside the new one.
[0] - https://github.com/xataio/pgroll/tree/main/docs#operations-r...
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Database Migrations
This is a fantastic article! It shows that even simple migrations (like adding or removing a column) can be quite tricky to deploy in concert with the application deployement.
We (at Xata) have tried for a while to come up with a generic schema migration system for PostgreSQL that makes this easier. We ended up using views and temporary columns in such a way that we can provide both the "old" and the "new" schema simultaneously. Up/down triggers convert newly inserted data from old to new and the other way around. This also has the advantage the it can do rollbacks instantly by just dropping the "new" view.
We were just planning to announce this as an open source project this week, but actually it is already public, so if you are curious: https://github.com/xataio/pgroll
pREST
- Need help connecting VueJS 3 UI to a database
- Postgres as Rest
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pREST on YugabyteDB
In a previous post, I published an example with PostgREST on YugabyteDB. Here is another one: pREST opens a REST API to PostgreSQL. YugabyteDB is a PostgreSQL-compatible Open-Source Distributed SQL database. It adds horizontal scalability to applications built for PostgreSQL. Let's see how it integrates with pREST.
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PostgREST – Serve a RESTful API from Any Postgres Database
Pretty sure I started with this: https://github.com/prest/prest/blob/main/cmd/root.go
And from there you can execute your own command and add handlers or other things as you wish.
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Constant work to onboarding new members into engineering team
Improve local tests execution — it is frustrating that someone wants to contribute and cannot run the local tests (we use e2e tests, making requests to prestd's own API), a way was implemented where the tests run inside docker using docker-compose;
- pREST
- GitHub - prest/prest: pREST (PostgreSQL REST), low-code, simplify and accelerate development, ⚡ instant, realtime, high-performance on any Postgres application, existing or new
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Accessing Postgres via REST using pRest
With pRest, it is possible to create a RESTFul API to access the contents of a Postgres database in a fast and straightforward way. The project, written in Go, can be found on its official website and Github.
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When is the best time to share a "new" product?
View on GitHub
- pREST (PostgreSQL REST), simplify and accelerate development, ⚡ instant, realtime, high-performance on any Postgres application, existing or new
What are some alternatives?
migrate - Database migrations. CLI and Golang library.
InfluxDB - Scalable datastore for metrics, events, and real-time analytics
reshape - An easy-to-use, zero-downtime schema migration tool for Postgres
go-cache - An in-memory key:value store/cache (similar to Memcached) library for Go, suitable for single-machine applications.
bob - SQL query builder and ORM/Factory generator for Go with support for PostgreSQL, MySQL and SQLite
go-mysql - a powerful mysql toolset with Go
postgres_migrator - A postgres migration generator and runner that uses raw declarative sql.
diskv - A disk-backed key-value store.
tusker - PostgreSQL migration management tool
pgweb - Cross-platform client for PostgreSQL databases
migra - Like diff but for PostgreSQL schemas
tidb - TiDB is an open-source, cloud-native, distributed, MySQL-Compatible database for elastic scale and real-time analytics. Try AI-powered Chat2Query free at : https://tidbcloud.com/free-trial