[SPARK-23665] Add adaptive algorithm to select query result collect method

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 2.1.1, 2.3.0
• Component/s: SQL
• Assignee: Unassigned
• Reporter: zhoukang
• Created: 13/Mar/18 09:23
• Updated: 19/Mar/18 01:45
• Resolved: 19/Mar/18 01:45

Description

Currently, we use configuration like

spark.sql.thriftServer.incrementalCollect

to specify query result collect method.
Actually,we can estimate the size of the result and select collect method automatically.