[TAJO-2119] Invalid sort result when sort key columns contain non-ascii values

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.12.0, 0.11.3
• Component/s: Sort algorithm
• Assignee: Jihoon Son
• Reporter: Jihoon Son
• Created: 15/Apr/16 02:38
• Updated: 19/May/16 01:33
• Resolved: 19/May/16 01:33

Description

See the title. You can reproduce like below.

tpcds> select c_birth_country from customer order by c_birth_country;

...
CAYMAN ISLANDS
CAYMAN ISLANDS
CAYMAN ISLANDS
CÔTE D'IVOIRE
CÔTE D'IVOIRE
CÔTE D'IVOIRE
CÔTE D'IVOIRE
CÔTE D'IVOIRE
CÔTE D'IVOIRE
CÔTE D'IVOIRE
CÔTE D'IVOIRE
CANADA
CANADA
CANADA
CANADA
CANADA
CANADA
CANADA
CAPE VERDE
CAPE VERDE
CAPE VERDE
CAYMAN ISLANDS
CAYMAN ISLANDS
CAYMAN ISLANDS
CÔTE D'IVOIRE
CANADA
CANADA
...