[IMPALA-9908] SHOW PARTITIONS on a kudu backed impala table return NULL on Replicas

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: Impala 4.0.0
• Component/s: Frontend
• Labels: kudu
• Epic Color: ghx-label-8
• Assignee: Unassigned
• Reporter: Xiaomeng Zhang
• Created: 29/Jun/20 21:24
• Updated: 21/Dec/20 20:38

Description

When using hs2 protocol, we get NULL Replicas for SHOW PARTITIONS on a kudu backed impala table.

To reproduce:
impala-shell --protocol=hs2

create table xm(id int, value int, PRIMARY KEY(id)) PARTITION BY HASH PARTITIONS 16 STORED AS KUDU;

[localhost:21050] default> show partitions xm;
Query: show partitions xm
-------------------------------------------+

Start Key

Stop Key

Leader Replica

#Replicas

-------------------------------------------+

	00000001	127.0.0.1:31201	NULL
00000001	00000002	127.0.0.1:31202	NULL
00000002	00000003	127.0.0.1:31202	NULL
00000003	00000004	127.0.0.1:31202	NULL
00000004	00000005	127.0.0.1:31202	NULL
00000005	00000006	127.0.0.1:31202	NULL
00000006	00000007	127.0.0.1:31202	NULL
00000007	00000008	127.0.0.1:31200	NULL
00000008	00000009	127.0.0.1:31201	NULL
00000009	0000000A	127.0.0.1:31202	NULL
0000000A	0000000B	127.0.0.1:31200	NULL
0000000B	0000000C	127.0.0.1:31202	NULL
0000000C	0000000D	127.0.0.1:31201	NULL
0000000D	0000000E	127.0.0.1:31202	NULL
0000000E	0000000F	127.0.0.1:31201	NULL
0000000F		127.0.0.1:31202	NULL

-------------------------------------------+