issues: 1193090967
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| 1193090967 | I_kwDOBm6k_c5HHR-X | 1699 | Proposal: datasette query | 25778 | open | 0 | 6 | 2022-04-05T12:36:43Z | 2022-04-11T01:32:12Z | CONTRIBUTOR | I started sketching out a plugin to add a `datasette query` subcommand to export data from the command line. This is based on discussions in #1356 and #1605. Before I get too far down this rabbit hole, I figure it's worth getting some feedback here (unless this should happen in `Discussions`). Here's what I'm thinking: At its most basic, it will write the results of a query to STDOUT. ```sh datasette query -d data.db 'select * from data' > results.json ``` This isn't much improvement over using [sqlite-utils](https://github.com/simonw/sqlite-utils). To make better use of datasette and its ecosystem, run `datasette query` using a canned query defined in a `metadata.yml` file. For example, using the metadata file from [alltheplaces-datasette](https://github.com/eyeseast/alltheplaces-datasette/blob/main/metadata.yml): ```sh cd alltheplaces-datasette datasette query -d alltheplaces.db -m metadata.yml count_by_spider ``` That query would be good to get as CSV, and we can auto-discover metadata and databases in the current directory: ```sh cd alltheplaces-datasette datasette query count_by_spider -f csv ``` In this case, `count_by_spider` is a canned query defined on the `alltheplaces` database. If the same query is defined on multiple databases or its otherwise unclear which database `query` should use, pass the `-d` or `--database` option. If a query takes parameters, I can pass them in at runtime, using the `--param` or `-p` option: ```sh datasette query -d data.db -p value something 'select * from neighborhoods where some_column = :value' ``` I'm very interested in feedback on this, including whether it should be a plugin or in Datasette core. (I don't have a strong opinion about this, but I'm prototyping it as a plugin to start.) | 107914493 | issue | {"url": "https://api.github.com/repos/simonw/datasette/issues/1699/reactions", "total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0} |