Logical AND and OR queries
I have the following query List<String>? rackQuery = [
Query.equal("facility_fk", document_id),
Query.equal("rack_fk", absolutePosition),
]; According to the docs, this is an OR query. What is the exact syntax for an AND query? Also, if I understand correctly, both attributes must part of a combined index.
Hey there 👋 WHat you provided is AND query. In SQL world, this would look like facility_fk = document_id AND rack_fk =absolutePosition.
This is how you achieve OR queries:
List<String>? rackQuery = [
Query.equal("facility_fk", [docId1, docId2, docId3]),
];
it would result in facility_fk = docId1 OR facility_fk = docId2 OR facility_fk = docId3.
Doing OR between multiple keys is not possible at the moment. I have seen people solving this by introducing a new attribute that is only used for querying.
For example, let's say I want a feature of "verified" articles.. And I want to query only verified articles. Let's say an article is considered verified if the length is > 1500 chars, or if it has at least 5 tags..
How I would recommend to do it is to introduce new attribute called verified and every time a document is created/updated, I would do the check client-side (or server-side with Appwrite Functions and events). In the check I would look at length and tags. Based on that, I set verified to true or false.
Later, to query only verified ones, I would do [ Query.equal("verified", true) ].
Makes sense?
