[PHOENIX-1557] Add hint to force sort merge join

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.3.0, 3.3.0
• Assignee: Wei Xue
• Reporter: James R. Taylor
• Created: 23/Dec/14 23:45
• Updated: 21/Nov/15 02:18
• Resolved: 24/Dec/14 17:19

Description

We should add two more hints: HASH_JOIN and SORTED_MERGE_JOIN which will override the default decision for which join algorithm will be used.