[IMPALA-5283] Handle case sensitivity naming conflicts in Kudu tables

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.8.0
• Fix Version/s: Impala 2.10.0
• Component/s: Frontend
• Labels: kudu
• Epic Color: ghx-label-5
• Assignee: Thomas Tauber-Marshall
• Reporter: Matthew Jacobs
• Created: 05/May/17 19:57
• Updated: 19/Jun/17 18:23
• Resolved: 19/Jun/17 18:23

Description

Kudu supports case sensitive table/column names while Impala (and Hive) do not (names get lower-cased).

Conflicting column names will cause problems for Impala, e.g.

table foo (
int Col,
int col ) ... stored as Kudu

We should return an error when loading a table such as this.

Issue Links

• is related to: IMPALA-5286 Query with Kudu col name w/ different casing from 'order by' fails