html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,issue,performed_via_github_app
https://github.com/simonw/datasette/issues/1605#issuecomment-1332310772,https://api.github.com/repos/simonw/datasette/issues/1605,1332310772,IC_kwDOBm6k_c5PaXL0,25778,2022-11-30T15:06:37Z,2022-11-30T15:06:37Z,CONTRIBUTOR,I'll add issues for both and do a documentation PR.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",1108671952,
https://github.com/simonw/datasette/issues/1605#issuecomment-1331187551,https://api.github.com/repos/simonw/datasette/issues/1605,1331187551,IC_kwDOBm6k_c5PWE9f,25778,2022-11-29T19:29:42Z,2022-11-29T19:29:42Z,CONTRIBUTOR,"Interesting. I started a version using metadata like I outlined up top, but I realized that there's no documented way for a plugin to access either metadata or canned queries. Or at least, I couldn't find a way.
There is this method: https://github.com/simonw/datasette/blob/main/datasette/app.py#L472 but I don't want to rely on it if it's not documented. Same with this: https://github.com/simonw/datasette/blob/main/datasette/app.py#L544
If those are safe, I'll build on them. I'm also happy to document them, if that greases the wheels.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",1108671952,
https://github.com/simonw/datasette/issues/1605#issuecomment-1018778667,https://api.github.com/repos/simonw/datasette/issues/1605,1018778667,IC_kwDOBm6k_c48uVQr,25778,2022-01-21T19:00:01Z,2022-01-21T19:00:01Z,CONTRIBUTOR,"Let me know if you want help prototyping any of this, because I'm thinking about it and trying stuff out. Happy to be a sounding board, if it helps.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",1108671952,
https://github.com/simonw/datasette/issues/1605#issuecomment-1018741262,https://api.github.com/repos/simonw/datasette/issues/1605,1018741262,IC_kwDOBm6k_c48uMIO,25778,2022-01-21T18:05:09Z,2022-01-21T18:05:09Z,CONTRIBUTOR,"Thinking about this more, as well as #1356 and various other tickets related to output formats, I think there's a missing plugin hook for formatting results, separate from `register_output_renderer` (or maybe part of it, depending on #1101).
Right now, as I understand it, getting output in any format goes through the normal view stack -- a table, a row or a query -- and so by the time `register_output_renderer` gets it, the results have already been truncated or paginated. What I'd want, I think, is to be able to register ways to format results independent of where those results are sent.
It's possible this could be done using [`conn.row_factory`](https://docs.python.org/3/library/sqlite3.html#sqlite3.Connection.row_factory) (maybe in the `prepare_connection` hook), but I'm not sure that's where it belongs.
Another option is some kind of registry of serializers, which `register_output_renderer` and other plugin hooks could use. What I'm trying to avoid here is writing a plugin that also needs plugins for formats I haven't thought of yet.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",1108671952,
https://github.com/simonw/datasette/issues/1605#issuecomment-1016994329,https://api.github.com/repos/simonw/datasette/issues/1605,1016994329,IC_kwDOBm6k_c48nhoZ,25778,2022-01-20T00:27:17Z,2022-01-20T00:27:17Z,CONTRIBUTOR,"Right now, I usually have a line in a Makefile like this:
```make
combined.geojson: project.db
pipenv run datasette project.db --get /project/combined.geojson \
--load-extension spatialite \
--setting sql_time_limit_ms 5000 \
--setting max_returned_rows 20000 \
-m metadata.yml > $@
```
That all assumes I've loaded whatever I need into `project.db` and created a canned query called `combined` (and then uses `datasette-geojson` for geojson output).
It works, but as you can see, it's a lot to manage, a lot of boilerplate, and it wasn't obvious how to get there. If there's an error in the canned query, I get an HTML error page, so that's hard to debug. And it's only one query, so each output needs a line like this. Make isn't ideal, either, for that reason.
The thing I really liked with `datafreeze` was doing templated filenames. I have a project now where I need to export a bunch of litttle geojson files, based on queries, and it would be awesome to be able to do something like this:
```yml
databases:
project:
queries:
boundaries:
sql: ""SELECT * FROM boundaries""
filename: ""boundaries/{id}.geojson""
mode: ""item""
format: geojson
```
And then do:
```sh
datasette freeze -m metadata.yml project.db
```
For HTML export, maybe there's a `template` argument, or `format: template` or something. And that gets you a static site generator, kinda for free.
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