andreachild commented on code in PR #3248:
URL: https://github.com/apache/tinkerpop/pull/3248#discussion_r2467531060
##########
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/filter/TailGlobalStep.java:
##########
@@ -58,9 +59,13 @@ public Traverser.Admin<S> processNextStart() {
// If we are bypassing this step, let everything through.
return this.starts.next();
} else {
+ if (this.tail.isEmpty()) {
+ consuming = true;
+ }
// Pull everything available before we start delivering from the
tail buffer.
- if (this.starts.hasNext()) {
+ if (consuming && this.starts.hasNext()) {
this.starts.forEachRemaining(this::addTail);
+ consuming = false;
Review Comment:
Can this be replaced with just a check for `tail.isEmpty()`?
```suggestion
if (this.tail.isEmpty() && this.starts.hasNext()) {
this.starts.forEachRemaining(this::addTail);
```
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