[HIVE-1730] Keep the mapping between jdbm file name with bucket file name during the compile time

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 0.7.0
• Component/s: Query Processor
• Assignee: Liyin Tang
• Reporter: Liyin Tang
• Created: 18/Oct/10 20:50
• Updated: 19/Oct/11 08:51
• Resolved: 19/Oct/11 08:51

Description

Right now, the new map join operator will figure out the jdbm file name during the run time based some string function.
But we need to keep this mapping during the compile time, so the explain task can understand which jdbm file the mapred task will need.