UID variables, cascade, and pagination with first

[amaster507 (Anthony Master)]

Believe these are related for context. Fix a problem, create a problem…

Cascade does not work with pagination

I expect pagination to work in conjunction with cascade but that does not seem to be true (at least in GraphQL). I have a query that returns around 15K nodes and want to get the first 5 that match the @cascade directive as well. The result is 0. However if I remove the pagination limit then I get all the ones that match cascade. I believe the problem is that pagination happens before the cascade directive on the rood of the query. Is there a way to reverse this order? I don’t see any need why …

WIP: cascade with pagination

Introduction @cascade directive when used in a query with pagination gives wrong results. For eg, for the given GraphQL schema:- type School { name: String! @id affln: String principal: String classes: [Class] } type Class { std: Int! @id teacher: String students: [Student] } type Student { name: String! @id age: Int } the following GraphQL query:- query{ querySchool(first: 2, offset: 5) @cascade{ name affln classes(first: 5, offset: 3){ std teacher …

V21.03: After pagination+cascade change, queries are too slow to finish

What I want to do Filter a large dataset, with pagination and @cascade on v21.03 What I did I could not, its too slow. Dgraph metadata

dgraph version

Dgraph version : v21.03.0 Dgraph codename : rocket Dgraph SHA-256 : b4e4c77011e2938e9da197395dbce91d0c6ebb83d383b190f5b70201836a773f Commit SHA-1 : a77bbe8ae Commit timestamp : 2021-04-07 21:36:38 +0530 Branch : HEAD Go version : go1.16.2 jemalloc enabled : true

I have a query pattern for my application to use dg…

Sorting applies pagination before @cascade

What version of Dgraph are you using?

Dgraph Version

Dgraph version : v21.03.1 Dgraph codename : rocket-1 Dgraph SHA-256 : a00b73d583a720aa787171e43b4cb4dbbf75b38e522f66c9943ab2f0263007fe Commit SHA-1 : ea1cb5f35 Commit timestamp : 2021-06-17 20:38:11 +0530 Branch : HEAD Go version : go1.16.2 jemalloc enabled : true

Have you tried reproducing the issue with the latest release? yes What is the hardware spec (RAM, OS)? 12 alpha @ 16c 32GiB ram on k8s. Steps to reprodu…