[CALCITE-3520] Type cast from primitive to box is not correct

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.21.0
• Fix Version/s: 1.22.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Feng Zhu
• Reporter: Feng Zhu
• Created: 19/Nov/19 07:55
• Updated: 06/Mar/20 04:36
• Resolved: 12/Dec/19 05:52

Description

RexToLixTranslator provides type cast function as public interface to users.
However, some issues from primitive to box are concealed by current codegen framework.

int x = ...
byte y = (byte)x;

// RexToLixTranslator.convert(y, Byte.class)
Byte.valueOf(y) // Compile error

Issue Links

• is blocked by: CALCITE-3512 Query fails when comparing Time/TimeStamp types
• links to: GitHub Pull Request #1609