[CALCITE-4874] Add recursive digest helper method

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Won't Fix
• Fix Version/s: 1.29.0
• Labels: pull-request-available
• Assignee: Unassigned
• Reporter: Will Noble
• Created: 03/Nov/21 22:21
• Updated: 16/Nov/21 13:17
• Resolved: 16/Nov/21 13:17

Description

I often find myself having to visual compare long rel node trees while debugging. Having a helper method ready to generate the string will save time going through and manually copy-pasting and formatting each node.

Issue Links

• links to: GitHub Pull Request #2597