graffiti: ensure indexer do not return nil nodes

lebauce · lebauce · commit 423357b516bd · 2019-09-26T12:35:02.000+02:00
diff --git a/graffiti/graph/indexer.go b/graffiti/graph/indexer.go
@@ -62,8 +62,10 @@ type Indexer struct {
 func (i *NodeIndex) FromHash(hash string) (nodes []*Node, values []interface{}) {
 	if ids, found := i.hashToValues[hash]; found {
 		for id, obj := range ids {
-			nodes = append(nodes, i.graph.GetNode(id))
-			values = append(values, obj)
+			if node := i.graph.GetNode(id); node != nil {
+				nodes = append(nodes, node)
+				values = append(values, obj)
+			}
 		}
 	}
 	return

Original file line number	Diff line number	Diff line change
`@@ -62,8 +62,10 @@ type Indexer struct {`
`62`	`62`	`func (i NodeIndex) FromHash(hash string) (nodes []Node, values []interface{}) {`
`63`	`63`	`if ids, found := i.hashToValues[hash]; found {`
`64`	`64`	`for id, obj := range ids {`
`65`		`- nodes = append(nodes, i.graph.GetNode(id))`
`66`		`- values = append(values, obj)`
	`65`	`+ if node := i.graph.GetNode(id); node != nil {`
	`66`	`+ nodes = append(nodes, node)`
	`67`	`+ values = append(values, obj)`
	`68`	`+ }`
`67`	`69`	`}`
`68`	`70`	`}`
`69`	`71`	`return`