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roapi reviews and mentions
SQLite-based databases on the Postgres protocol? Yes we can
11 projects | news.ycombinator.com | 25 Jan 2023
Very cool and well executed project. Love the sprinkle of Rust in all the other companion projects as well :)
The ROAPI(https://github.com/roapi/roapi) project I built also happened to support a similar feature set, i.e. to expose sqlite through a variety of remote query interfaces including pg wire protocols, rest apis and graphqls.
Using Rust to write a Data Pipeline. Thoughts. Musings.
5 projects | reddit.com/r/rust | 14 Jan 2023
PostgREST – Serve a RESTful API from Any Postgres Database
22 projects | news.ycombinator.com | 29 Dec 2022
> why not just accept SQL and cut out all the unnecessary mapping?
You might be interested in what we're building: Seafowl, a database designed for running analytical SQL queries straight from the user's browser, with HTTP CDN-friendly caching . It's a second iteration of the Splitgraph DDN  which we built on top of PostgreSQL (Seafowl is much faster for this use case, since it's based on Apache DataFusion + Parquet).
The tradeoff for allowing the client to run any SQL vs a limited API is that PostgREST-style queries have a fairly predictable and low overhead, but aren't as powerful as fully-fledged SQL with aggregations, joins, window functions and CTEs, which have their uses in interactive dashboards to reduce the amount of data that has to be processed on the client.
There's also ROAPI  which is a read-only SQL API that you can deploy in front of a database / other data source (though in case of using databases as a data source, it's only for tables that fit in memory).
Command-line data analytics made easy
6 projects | news.ycombinator.com | 3 Nov 2022
And if you're looking for a similar experience (very fast analytical SQL queries) but over HTTP, for example, to power a public dashboard or a visualization, you can try ROAPI  or Seafowl , also built on top of DataFusion (disclaimer: working on Seafowl):
: https://github.com/roapi/roapi6 projects | news.ycombinator.com | 3 Nov 2022
It could be the NDJSON parser (DF source: ) or could be a variety of other factors. Looking at the ROAPI release archive , it doesn't ship with the definitive `columnq` binary from your comment, so it could also have something to do with compilation-time flags.
FWIW, we use the Parquet format with DataFusion and get very good speeds similar to DuckDB , e.g. 1.5s to run a more complex aggregation query `SELECT date_trunc('month', tpep_pickup_datetime) AS month, COUNT(*) AS total_trips, SUM(total_amount) FROM tripdata GROUP BY 1 ORDER BY 1 ASC)` on a 55M row subset of NY Taxi trip data.
Run SQL on CSV, Parquet, JSON, Arrow, Unix Pipes and Google Sheet
2 projects | reddit.com/r/hackernews | 24 Sep 20229 projects | news.ycombinator.com | 24 Sep 2022
Dsq: Commandline tool for running SQL queries against JSON, CSV, Parquet, etc.
5 projects | news.ycombinator.com | 11 Jan 2022
Neat! I have also built a similar project in Rust https://github.com/roapi/roapi/tree/main/columnq-cli :)
Roapi: An API Server for Static Datasets
7 projects | news.ycombinator.com | 8 Oct 2021
In its current form, the main use-case is to load data into memory first then serve them through query apis. Thomas has made some effort to support querying data directly from remote source without loading them into memory: https://github.com/roapi/roapi/pull/71. The underlying query engine, Apache Arrow Datafusion, supports running query on data stream on the granularity of partitions. This is not heavily used in roapi at the moment because I want to nail the in memory serving use-case first.
Show HN: Columnq brings OLAP to Unix pipes
2 projects | news.ycombinator.com | 13 Sep 2021
A note from our sponsor - InfluxDB
www.influxdata.com | 24 Mar 2023
roapi/roapi is an open source project licensed under Apache License 2.0 which is an OSI approved license.