[IMPALA-4326] Add split() function

• Type: New Feature
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: Impala 2.7.0
• Component/s: Backend, Frontend
• Labels: built-in-function nested_types
• Assignee: Unassigned
• Reporter: Alan Jackoway
• Created: 19/Oct/16 17:52
• Updated: 17/Oct/17 16:38

Description

Now that nested types are available, it would be nice to have functions that create them, like split in hive. We frequently get data that isn't in a nested format but contains an array of elements in a field with some delimiter.