[TINKERPOP-2625] Optimize empty P within/without

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Won't Do
• Affects Version/s: 3.5.1
• Component/s: language, process
• Assignee: Unassigned
• Reporter: Stephen Mallette
• Created: 27/Sep/21 12:22
• Updated: 26/Oct/21 15:09
• Resolved: 26/Oct/21 15:09

Description

On TINKERPOP-2621 we allowed the grammer to properly process empty P.within/out(). From there a next step would be to optimize those a bit:

• has(key, within('')) is always false in which case we can replace within('') with false.
• has(hey, without('')) is always true in which case this step/HasContainer can be removed from the traversal as a filter.