[TINKERPOP-1867] union() can produce extra traversers

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.2.7
• Fix Version/s: 3.2.8, 3.3.2
• Component/s: process
• Assignee: Daniel Kuppitz
• Reporter: Stephen Mallette
• Created: 08/Jan/18 21:31
• Updated: 21/Jan/18 01:12
• Resolved: 21/Jan/18 01:12

Description

Hard to say where this bug is coming from but basically the most simple representation is:

gremlin> g.V(1,2).local(__.union(__.constant(1).count()))
==>1
==>0
==>1

Similar problems occur with sum() and other reducing barriers when used in this context.

Issue Links

• links to: GitHub Pull Request #775