[IMPALA-8325] Leading Unicode comments cause Impala Shell failure.

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: Impala 3.1.0
• Fix Version/s: Impala 3.3.0
• Epic Color: ghx-label-6
• Assignee: Andrew Sherman
• Reporter: Andrew Sherman
• Created: 19/Mar/19 23:40
• Updated: 22/Mar/19 16:16
• Resolved: 22/Mar/19 16:16

Description

This is a regression introduced by IMPALA-2195 Improper handling of comments in queries.

Running a query in impala-shell with a leading comment containing Unicode, will cause failures:

[localhost:21000] default> --한글
> select a from tab1;
Query: --한글
select a from tab1
Query submitted at: 2019-03-19 16:37:00 (Coordinator: http://asherman-desktop:25000)
Unknown Exception : 'ascii' codec can't encode characters in position 2-3: ordinal not in range(128)