[SPARK-26847] Pruning nested serializers from object serializers: MapType support

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: SQL
• Assignee: L. C. Hsieh
• Reporter: L. C. Hsieh
• Created: 08/Feb/19 01:24
• Updated: 26/Mar/19 16:07
• Resolved: 25/Mar/19 22:49

Description

This is TODO PR for SPARK-26837. In SPARK-26837, we prune nested fields from object serializers if they are unnecessary in the query execution. SPARK-26837 leaves the support of MapType as a TODO item. This ticket is created to track it.

Issue Links

• links to: GitHub Pull Request #24158
• links to: GitHub Pull Request #24220