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| db_watch | integrate | |
|---|---|---|
| 1 | 1 | |
| 0 | 25 | |
| - | - | |
| 0.0 | 2.7 | |
| about 3 years ago | about 3 years ago | |
| JavaScript | Elixir | |
| MIT License | GNU General Public License v3.0 or later |
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db_watch
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Ask HN: Is there a way to subscribe to an SQL query for changes?
It's certainly not production situation, but I quickly made this [1] a while back to help with "watching" certain queries for debugging. It uses a polling approach.
[1] https://github.com/grouparoo/db_watch
integrate
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Ask HN: Is there a way to subscribe to an SQL query for changes?
https://github.com/integratedb/integrate/blob/main/lib/integ...
These approaches rely on acking the WAL to confirm data has been processed. It’s simpler than running Debezium / Kafka for “zookept” CDC. However, they are “at least once” at best and it’s easy to shoot yourself in the foot so think twice before relying on this kind of thing for a real application.
Materialize is nice — TAIL is a lovely abstraction and their data ingest uses Debezium under the hood. That said, I believe their Postgres binlog source is still alpha / under active community dev.
What are some alternatives?
rethinkdb_rebirth - The open-source database for the realtime web.
pg-live-select - Live Updating PostgreSQL SELECT statements
PipelineDB - High-performance time-series aggregation for PostgreSQL
flow - 🌊 Continuously synchronize the systems where your data lives, to the systems where you _want_ it to live, with Estuary Flow. 🌊
noria - Fast web applications through dynamic, partially-stateful dataflow
cainophile
timely-dataflow - A modular implementation of timely dataflow in Rust
GRDB.swift - A toolkit for SQLite databases, with a focus on application development