Is there a hack to do this kind of query without an explicity exists/doesn’t exist tag? https://github.com/typesense/typesense/issues/798

I guess what you mentioned is the hack - create a new boolean field called

fieldx_exists: true|false

and set that at indexing time when you put together the JSON document, then filter on it

Ha

Would be useful to allow indexing

null

besides omitting the field.