[IMPALA-11358] Kudu tables missing comment field if HMS-Kudu integration is enabled

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Impala 4.2.0, Impala 4.1.1
• Target Version: Impala 4.2.0
• Epic Color: ghx-label-4
• Assignee: Gergely Fürnstáhl
• Reporter: Gergely Fürnstáhl
• Created: 15/Jun/22 10:02
• Updated: 23/Aug/22 05:48
• Resolved: 19/Jul/22 09:21

Description

Reproduction:
Restart kudu with HMS integration enabled

export IMPALA_KUDU_STARTUP_FLAGS=-hive_metastore_uris=thrift://localhost
testdata/cluster/admin restart kudu

create table kudu_test (
col1 string comment 'col1',
col2 string comment 'col2',
primary key (col1)
)
comment 'kudu_test_comment'
stored as kudu;

describe formatted kudu_test;
...

comment

...

Proposed solution:

customer found it seems due to there's setComment is missing
https://github.com/apache/impala/blob/master/fe/src/main/java/org/apache/impala/service/KuduCatalogOpExecutor.java#L258

// Set the table's owner.
tableOpts.setOwner(msTbl.getOwner());
// adding line
tableOpts.setComment(params.getComment());