[IMPALA-7777] Fix crash due to arithmetic overflows in Exchange Node

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.10.0, Impala 2.11.0, Impala 3.0, Impala 2.12.0
• Fix Version/s: Impala 3.1.0
• Component/s: Frontend
• Target Version: Impala 3.1.0
• Epic Color: ghx-label-9
• Assignee: Sahil Takiar
• Reporter: Sahil Takiar
• Created: 29/Oct/18 14:53
• Updated: 05/Nov/18 23:00
• Resolved: 05/Nov/18 23:00

Description

A follow up to IMPALA-5004. Impala allows a value of LIMIT and OFFSET up to 2^63. However, if a user tries to run a query with a large offset (e.g. slightly lower than 2^63), the query will crash the impalad due to a DCHECK_LE in row-batch.h.

Issue Links

• is duplicated by: IMPALA-7776 Fail queries where the sum of offset and limit exceed the max value of int64
• relates to: IMPALA-5004 Switch to sorting node for large TopN queries