To make this easier, I’ll begin with this mutation example. So imagine the following set up: We have a bunch of parents which may or may not have a collection of items, each of which have an amount. { "set": [ { "uid": "_:first", "isParent": true, "name": "first", "ite…

This is a bug. We added new logic to handle queries with null values, and that error you are seeing is obsolete now, it was from the previous logic. Basically, Dgraph knows that the aggregate value itemAmount is not set (no uids match) so it will use a default value, in this case of zero, and conti…

"wrong use of var()" error when query variable is empty

Users

MichelDiz (Michel Diz) March 18, 2019, 5:50pm 4

Can you share what version you are?

1 Like

Topic		Replies	Views
Dgraph fails when using a variable inside of a node which does not exist yet Dgraph	3	516	May 30, 2018
Inconsistent Handling of Value Variables Dgraph example	5	1230	February 15, 2019
Delete bug introduced in v21.12.0 GraphQL kind:bug	0	611	December 21, 2021
Sum should return 0 if no edge exists, also max( <variable>, 0) should work Dgraph dgraph , kind:enhancement , priority:p2 , status:accepted , area:querylang	1	512	October 15, 2019
Help on error: Vars can be assigned only at root when grouped by Value Dgraph	3	513	September 25, 2022

"wrong use of var()" error when query variable is empty

Related topics