[HIVE-670] Explain should show output column names

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.4.0
• Component/s: Query Processor
• Hadoop Flags: Reviewed
• Assignee: Zheng Shao
• Reporter: Zheng Shao
• Created: 22/Jul/09 00:34
• Updated: 17/Dec/11 00:07
• Resolved: 23/Jul/09 21:16

Description

Explain currently only shows the expressions (in which it references the output column names of the last operator).
However, it does not show the output column names of the last operator, which makes it hard to debug.