issue_comments: 1292519956

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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/1851#issuecomment-1292519956	https://api.github.com/repos/simonw/datasette/issues/1851	1292519956	IC_kwDOBm6k_c5NCkoU	15178711	2022-10-26T19:20:33Z	2022-10-26T19:20:33Z	CONTRIBUTOR	> This could use a new plugin hook, too. I don't want to complicate your life too much, but for things like GIS, I'd want a way to turn regular JSON into SpatiaLite geometries or combine X/Y coordinates into point geometries and such. Happy to help however I can. @eyeseast Maybe you could do this with triggers? Like you can insert JSON-friendly data into a "raw" table, and create a trigger that transforms that inserted data into the proper table Here's an example: ```sql -- meant to be updated from a Datasette insert create table points_raw(longitude int, latitude int); -- the target table with proper spatliate geometries create table points(point geometry); CREATE TRIGGER insert_points_raw INSERT ON points_raw BEGIN insert into points(point) values (makepoint(new.longitude, new.latitude)) END; ``` You could then POST a new row to `points_raw` like this: ``` POST /db/points_raw Authorization: Bearer xxx Content-Type: application/json { "row": { "longitude": 27.64356, "latitude": -47.29384 } } ``` Then SQLite with run the trigger and insert a new row in `points` with the correct geometry point. Downside is you'd have duplicated data with `points_raw`, but maybe it could be a `TEMP` table (or have a cron that deletes all rows from that table every so often?)	{"total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0}	1421544654