[CARBONDATA-4170] Support dropping of parent complex columns(for both single and multi-level array/struct/map)

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.2.0
• Component/s: spark-integration
• Assignee: Unassigned
• Reporter: Akshay
• Created: 21/Apr/21 13:59
• Updated: 24/Jun/21 07:11
• Resolved: 27/Apr/21 15:42

Description

Drop complex columns(array/struct/map) from carbon table. For example - 

arr1 array<int>, struct1  struct<a:int, b:string>, map1 map<int,string>

Command - 

ALTER TABLE <table_name> DROP COLUMNS(arr1, struct1, map1)

Design document - https://docs.google.com/document/d/1DhhkVXM8rMvOuKDZeccJpFEfO3VkA9C0c7JHCV88NXI/edit