[HIVE-15932] Add support for: "explain ast"

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0.0-alpha-1
• Assignee: Igor Kryvenko
• Reporter: Sergey Shelukhin
• Created: 15/Feb/17 19:41
• Updated: 17/Nov/22 08:54
• Resolved: 05/Sep/18 08:09

Description

AST was removed in explain extended in HIVE-13533; that makes sense from users perspective for the common case, but it would be useful for Hive developers and advanced users to see the AST to diagnose issues. "Explain ast" command can be added to dump the AST.