[IMPALA-9495] Allow Struct type in SELECT list for ORC tables

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Impala 4.1.0
• Component/s: Backend, Frontend
• Labels: complextype
• Epic Link: Display complex types
• Epic Color: ghx-label-4
• Assignee: Gabor Kaszab
• Reporter: Gabor Kaszab
• Created: 13/Mar/20 14:33
• Updated: 15/Sep/21 13:16
• Resolved: 15/Sep/21 07:26

Description

Output is expected in Json format, e.g.:

{"a":5,"b":"five"}

Issue Links

• Dependency: IMPALA-10851 Codegen for structs
• is depended upon by: IMPALA-10838 Error when struct returned from WITH() and used in an ORDER BY
• is depended upon by: IMPALA-10839 NULL values are displayed on a wrong level for nested structs (ORC)