following query crashes dgraph ( 1 million rdf dataset )
>
> {
> q(func:allofterms(name@en, "Dwayne Johnson")) {
> name@.
> _predicate_
> actor.film {
> uid
> name@.
> performance.film{
> name@.
> initial_release_date
> genre {
> name@.
> }
> starring {
> name@.
> _predicate_
> }
> _predicate_
> }
> _predicate_
>
> }
>
> }
> }
>
>
> dgraph server log
>
> panic: runtime error: slice bounds out of range
>
> goroutine 36204 [running]:
> github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger/skl.(*Arena).getVal(0xc4202109c0, 0x680160012009, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
> /ext-go/1/src/github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger/skl/arena.go:124 +0x9a
> github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger/skl.(*Skiplist).Get(0xc4202109e0, 0xc42c3858f0, 0x2b, 0x30, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
> /ext-go/1/src/github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger/skl/skl.go:387 +0x162
> github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger.(*DB).get(0xc4201be000, 0xc42c3858f0, 0x2b, 0x30, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
> /ext-go/1/src/github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger/db.go:501 +0x111
> github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger.(*Item).yieldItemValue(0xc42c3b11e0, 0x19f9270, 0xc42c4fdf68, 0x81d9c4, 0xc42c399f14, 0x0, 0xc42c4fdf90)
> /ext-go/1/src/github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger/iterator.go:178 +0x3c4
> github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger.(*Item).prefetchValue(0xc42c3b11e0)
> /ext-go/1/src/github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger/iterator.go:198 +0x35
> github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger.(*Iterator).fill.func1(0xc42c3b11e0)
> /ext-go/1/src/github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger/iterator.go:524 +0x2b
> created by github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger.(*Iterator).fill
> /ext-go/1/src/github.com/dgraph-io/dgraph/vendor/github.com/dgraph-io/badger/iterator.go:522 +0x27e