[KUDU-1711] Add support for storing column comments in ColumnSchema

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.0.1
• Fix Version/s: 1.10.0
• Component/s: impala
• Assignee: LiFu He
• Reporter: Dimitris Tsirogiannis
• Created: 18/Oct/16 23:15
• Updated: 05/Apr/19 13:57
• Resolved: 05/Apr/19 13:57

Description

Currently, there is no way to persist column comments for Kudu tables unless we store them in HMS. We should be able to store column comments in Kudu through the ColumnSchema class.
Example of using column comments in a CREATE TABLE statement:

impala>create table foo (a int primary key comment 'this is column a') distribute by hash (a) into 4 buckets stored as kudu;

Issue Links

• relates to: IMPALA-5351 Handle column comments for Kudu tables