6.8.3 PGQL Features Supported in the Graph Server (PGX)

You can view the complete list of supported and unsupported PGQL features by the graph server (PGX) in Supported PGQL Features and Limitations.

However, the following explains certain supported and unsupported PGQL features:

• Support for Selecting All Properties
  
• Unnesting of Variable-Length Path Queries
  
• Limitations on Quantifiers
  Although all quantifiers such as *, +, and {1,4} are supported for reachability and shortest path patterns, the only quantifier that is supported for cheapest path patterns is * (zero or more).
• Limitations on WHERE and COST Clauses in Quantified Patterns