sqlite3vfshttp
realtime
sqlite3vfshttp | realtime | |
---|---|---|
5 | 54 | |
173 | 6,470 | |
- | 0.8% | |
1.8 | 9.2 | |
about 1 year ago | 12 days ago | |
Go | Elixir | |
MIT License | Apache License 2.0 |
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sqlite3vfshttp
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SQLite FTS5 Faster Than Redis Full-Text Search
I'm a big fan of FTS5 as a cheap/easy way of adding full text search to datasets.
Recently I've been storing these datasets in S3 and been querying them directly via a VFS[0]. Its a simple way to have FTS available to lambda functions without the cost of using an online database.
[0]: https://github.com/psanford/sqlite3vfshttp
- Deploying Strapi to AWS with AppPack
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Ws4sqlite: Query SQLite via HTTP
You can also access sqlite databases directly from an http server that supports range requests (like s3). There are a bunch of implementations of this in different languages including Go[0] and Javascript[1].
[0]: https://github.com/psanford/sqlite3vfshttp
[1]: https://github.com/phiresky/sql.js-httpvfs
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Ask HN: What could a modern database do that PostgreSQL and MySQL can't
There's a bunch of projects that have implemented this. I wrote a SQLite VFS in Go that lets you query a read-only SQLite db over http (including from s3) [0].
The VFS API offers the possibility for weirder storage solutions, if thats the type of thing you're into. Recently I've been moving some of my personal websites hosted on AWS Lambda over to use a read/write sqlite db backed by DynamoDB[1]. There are a bunch of limitations to this type of thing (like it uses a global write lock), but it works nicely for DBs that have low write frequency.
[0]: https://github.com/psanford/sqlite3vfshttp
[1]: https://github.com/psanford/donutdb
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Show HN: SQLite-S3-query – Python function to query a SQLite database on S3
I just implemented something similar in Go[0]. Just yesterday I added the ability to compile it as a loadable sqlite3 extension, so you can use the normal sqlite3 cli tool to query databases hosted on an http(s) connection.
[0]: https://github.com/psanford/sqlite3vfshttp
realtime
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A Technical Dive into PostgreSQL's replication mechanisms
You can LISTEN/NOTIFY. Or you can use logical replication and a custom subscriber.[1] Supabase uses the latter.[2]
[1]: https://www.postgresql.org/docs/current/logical-replication....
[2]: https://github.com/supabase/realtime
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Supabase Studio: AI Assistant and User Impersonation
Supabase Realtime is great for building collaborative applications. You can receive database changes over websockets, store and synchronize data about user presence, and broadcast any data to clients via "channels".
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Unpacking Elixir: Observability
We use :telemetry to collect usage data per tenant for Supabase Realtime.
We do this for rate limiting but it also makes it very easy for us to attach a listener (https://github.com/supabase/realtime/blob/main/lib/realtime/...) which ships these (per second) aggregates to BigQuery (via Logflare), which then the billing team can aggregate further to display and actually bill people with.
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All the ways to capture changes in Postgres
Yo :D This is what Supabase Realtime does!
https://github.com/supabase/realtime
Spin up a Supabase database and then subscribe to changes with WebSockets.
You can play with it here once you have a db: https://realtime.supabase.com/inspector/new
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Supabase Local Dev: migrations, branching, and observability
Every project is a Postgres database, wrapped in a suite of tools like Auth, Storage, Edge Functions, Realtime and Vectors, and encompassed by API middleware and logs.
- Sync client state globally over WebSockets in Realtime
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Writing a chat application in Django 4.2 using async StreamingHttpResponse
Where can I learn more about this? I've been thinking of trying to integrate Supabase Realtime (https://github.com/supabase/realtime) into my Django app (without the rest of Supabase), but I'd also like to keep things even simpler if possible.
Also, what was the reason not to go with Gevent?
- Supabase Realtime – Broadcast, Presence, and Postgres Changes via WebSockets
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How to Listen to Database Changes Using Postgres Triggers in Elixir
I believe #2 was the main driver for the supabase team to build their real-time component: https://github.com/supabase/realtime
Background/announcement: https://supabase.com/blog/supabase-realtime-multiplayer-gene...
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How To Kill A Fly With A Shotgun
As a minor note, one of the linked articles talks about having used RethinkDB for its changefeeds and I made a mental note a bit back that if I ever want that supabase's realtime ( https://github.com/supabase/realtime ) provides something rather like that atop Postgres and I should try that before doing anything clever.
What are some alternatives?
sqlite-s3-query - Python functions to query SQLite files stored on S3
supabase - The open source Firebase alternative.
Hasura - Blazing fast, instant realtime GraphQL APIs on your DB with fine grained access control, also trigger webhooks on database events.
debezium - Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.
sql.js-httpvfs - Hosting read-only SQLite databases on static file hosters like Github Pages
blockscout - Blockchain explorer for Ethereum based network and a tool for inspecting and analyzing EVM based blockchains.
donutdb - Store and query a sqlite db directly backed by DynamoDB.
Appwrite - Your backend, minus the hassle.
tuql - Automatically create a GraphQL server from a SQLite database or a SQL file
litestream - Streaming replication for SQLite.
meteor-mysql - Reactive MySQL for Meteor