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https://issues.apache.org/jira/browse/HIVE-21160?focusedWorklogId=772731&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-772731
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ASF GitHub Bot logged work on HIVE-21160:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 20/May/22 09:01
Start Date: 20/May/22 09:01
Worklog Time Spent: 10m
Work Description: kasakrisz commented on code in PR #2855:
URL: https://github.com/apache/hive/pull/2855#discussion_r877910989
##########
ql/src/test/org/apache/hadoop/hive/ql/lockmgr/TestDbTxnManager2.java:
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@@ -1565,7 +1565,7 @@ public void testWriteSetTracking10() throws Exception {
driver.compileAndRespond("update tab1 set b = 7 where b=2", true);
txnMgr2.acquireLocks(driver.getPlan(), ctx, "T2");
List<ShowLocksResponseElement> locks = getLocks(txnMgr2);
- Assert.assertEquals("Unexpected lock count", 2, locks.size());
+ Assert.assertEquals("Unexpected lock count", 3, locks.size());
Review Comment:
Update branch was split to an insert and a delete to the same table. The
number of locks increased because a side effect of the way Hive acquires locks
when executing multi insert statements.
Issue Time Tracking
-------------------
Worklog Id: (was: 772731)
Time Spent: 1h 10m (was: 1h)
> Rewrite Update statement as Multi-insert and do Update split early
> ------------------------------------------------------------------
>
> Key: HIVE-21160
> URL: https://issues.apache.org/jira/browse/HIVE-21160
> Project: Hive
> Issue Type: Sub-task
> Components: Transactions
> Affects Versions: 3.0.0
> Reporter: Eugene Koifman
> Assignee: Krisztian Kasa
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
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