let math function support GraphQL Variables.

[zhaodengchang]

What you wanted to do

GraphQL Variables can be used in math function

What you actually did

We use GraphQL Variables to input a float value $a to the Dgraph query , and want to do some calculation with math function, e.g. : math($a + 1.23)

Why that wasn't great, with examples

Currently it doesn't work.

[MichaelJCompton]

This looks like a reasonable feature request.

I'm tagging it as accepted, which means it will get into our backlog of features to consider.

If we decide to implement it, we'll post an update here.

[minhaj-shakeel]

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