id,node_id,number,title,user,state,locked,assignee,milestone,comments,created_at,updated_at,closed_at,author_association,pull_request,body,repo,type,active_lock_reason,performed_via_github_app,reactions,draft,state_reason
870946764,MDU6SXNzdWU4NzA5NDY3NjQ=,1312,how to query many-to-many relationship via json API?,5268174,open,0,,,0,2021-04-29T12:09:49Z,2021-04-29T12:09:49Z,,NONE,,"Hi,

Firstly thanks for Datasette, it's great!

I'm trying to use the JSON API to query data from a Datasette instance. I have a simple 3 table many-to-many relationship, like so:

`category` - list of categories
`document` - list of documents
`document_category` - join table (a category contains many documents, and a document can be a member of multiple categories)

the `document_category` table foreign keys to the other two using their respective row_ids.

Now I want to return ""all documents within category X"" but I cannot see a way to do this without executing two queries; the first to lookup the row_id of category X, and the second to join `document` with `document_category` where category ID is <id>.

I could easily write this in SQL, but this makes programmatic handling of pagination much more difficult (we'd have to dynamically modify the SQL to select the row_id and include the correct where and limit clauses).

Is there a way to achieve this using the JSON API?

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