[IMPALA-4813] DECIMAL div/mod/multiply rounding

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.8.0
• Fix Version/s: Impala 2.9.0
• Component/s: Backend
• Target Version: Impala 2.9.0
• Assignee: Zach Amsden
• Reporter: Daniel Hecht
• Created: 24/Jan/17 18:53
• Updated: 14/Mar/17 18:36
• Resolved: 03/Mar/17 00:34

Description

When the result type of a divide, mod, or multiply is DECIMAL, and the result does not fit in the result type's scale, add an option to round the result. We'll want to eliminate the query option overhead using codegen (IMPALA-4809).