[IMPALA-11722] Wrong error message when unsupported complex type comes from * expression

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Done
• Fix Version/s: Impala 4.2.0
• Component/s: Frontend
• Epic Link: Display complex types
• Target Version: Impala 4.2.0
• Epic Color: ghx-label-12
• Assignee: Peter Rozsa
• Reporter: Daniel Becker
• Created: 11/Nov/22 21:27
• Updated: 29/Nov/22 10:52
• Resolved: 23/Nov/22 07:12

Description

The following query fails with a NullPointerException:

select * from functional_orc_def.complextypestbl;
ERROR: NullPointerException: null

The table contains a struct, nested_struct, which is not supported yet because it contains collections. If the columns are listed explicitly, the error message is the correct one:

select id, int_array, int_array_array, int_map, int_map_array, nested_struct from functional_orc_def.complextypestbl;
ERROR: AnalysisException: Struct containing a collection type is not allowed in the select list.

The same error message should be returned in the select * case.