[HIVE-12480] Hive Counters "RECORDS_OUT" is wrong when using union all

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 1.2.1
• Component/s: Statistics
• Assignee: Unassigned
• Reporter: Nemon Lou
• Created: 20/Nov/15 12:17
• Updated: 20/Nov/15 12:23

Description

1,prepare

set hive.execution.engine=mr;
CREATE TABLE IF NOT EXISTS test(id INT);
insert into test values (1), (2);

2,the query that will return wrong counter

set hive.execution.engine=mr;
insert into test select * from test union all select * from test;

The counter "RECORDS_OUT_1_default.test" is expected as 4,but actually 8

Issue Links

• relates to: HIVE-12382 return actual row count for JDBC executeUpdate