issue_comments: 869071790

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https://github.com/simonw/datasette/issues/1384#issuecomment-869071790 https://api.github.com/repos/simonw/datasette/issues/1384 869071790 MDEyOklzc3VlQ29tbWVudDg2OTA3MTc5MA== 9599 2021-06-26T23:04:12Z 2021-06-26T23:04:12Z OWNER

Hmmm... that's tricky, since one of the most obvious ways to use this hook is to load metadata from database tables using SQL queries.

@brandonrobertz do you have a working example of using this hook to populate metadata from database tables I can try?

Answering my own question: here's how Brandon implements it in his datasette-live-config plugin: https://github.com/next-LI/datasette-live-config/blob/72e335e887f1c69c54c6c2441e07148955b0fc9f/datasette_live_config/init.py#L50-L160

That's using a completely separate SQLite connection (actually wrapped in sqlite-utils) and making blocking synchronous calls to it.

This is a pragmatic solution, which works - and likely performs just fine, because SQL queries like this against a small database are so fast that not running them asynchronously isn't actually a problem.

But... it's weird. Everywhere else in Datasette land uses await db.execute(...) - but here's an example where users are encouraged to use blocking calls instead.

 
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