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Fix Err fallout for graph/memstore iterators

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This commit is contained in:
Andrew Dunham 2015-04-14 18:56:05 -07:00
parent 3ce9adbc0b
commit 9cdeb519d7
2 changed files with 10 additions and 0 deletions
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4
graph/memstore/all_iterator.go
View file

@ -52,6 +52,10 @@ func (it *nodesAllIterator) Next() bool {
return true
}
func (it *nodesAllIterator) Err() error {
return nil
}
func newQuadsAllIterator(qs *QuadStore) *quadsAllIterator {
var out quadsAllIterator
out.Int64 = *iterator.NewInt64(1, qs.nextQuadID-1)

6
graph/memstore/iterator.go
View file

@ -30,6 +30,7 @@ type Iterator struct {
iter *b.Enumerator
data string
result graph.Value
err error
}
func cmp(a, b int64) int {
@ -118,6 +119,7 @@ func (it *Iterator) Next() bool {
}
result, _, err := it.iter.Next()
if err != nil {
it.err = err
return graph.NextLogOut(it, nil, false)
}
if !it.checkValid(result) {
@ -127,6 +129,10 @@ func (it *Iterator) Next() bool {
return graph.NextLogOut(it, it.result, true)
}
func (it *Iterator) Err() error {
return it.err
}
func (it *Iterator) ResultTree() *graph.ResultTree {
return graph.NewResultTree(it.Result())
}