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https://issues.apache.org/jira/browse/HIVE-25331?focusedWorklogId=641095&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-641095
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ASF GitHub Bot logged work on HIVE-25331:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 24/Aug/21 13:30
Start Date: 24/Aug/21 13:30
Worklog Time Spent: 10m
Work Description: ujc714 commented on a change in pull request #2478:
URL: https://github.com/apache/hive/pull/2478#discussion_r694851572
##########
File path:
ql/src/test/results/clientpositive/llap/alter_change_db_location.q.out
##########
@@ -11,7 +11,7 @@ PREHOOK: Input: database:newdb
POSTHOOK: query: describe database extended newDB
POSTHOOK: type: DESCDATABASE
POSTHOOK: Input: database:newdb
-newdb location/in/test hive_test_user USER
+#### A masked pattern was here ####
Review comment:
Actually the original output is like:
newdb location/in/test
file:/home/robbie/hive/itests/qtest/target/localfs/warehouse/newdb.db
hive_test_user USER
The managedlocation is not empty. Because of the pattern "file:/",
QOutProcessor masks the whole line.
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Issue Time Tracking
-------------------
Worklog Id: (was: 641095)
Time Spent: 1.5h (was: 1h 20m)
> Create database query doesn't create MANAGEDLOCATION directory
> --------------------------------------------------------------
>
> Key: HIVE-25331
> URL: https://issues.apache.org/jira/browse/HIVE-25331
> Project: Hive
> Issue Type: Bug
> Reporter: Robbie Zhang
> Assignee: Robbie Zhang
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> If we don't assign MANAGEDLOCATION in a "create database" query, the
> MANAGEDLOCATION will be NULL so HMS doesn't create the directory. In this
> case, a CTAS query immediately after the CREATE DATABASE query might fail in
> MOVE task due to "destination's parent does not exist". I can use the
> following script to reproduce this issue:
> {code:java}
> set hive.support.concurrency=true;
> set hive.txn.manager=org.apache.hadoop.hive.ql.lockmgr.DbTxnManager;
> create database testdb location '/tmp/testdb.db';
> create table testdb.test as select 1;
> {code}
> If the staging directory is under the MANAGEDLOCATION directory, the CTAS
> query is fine as the MANAGEDLOCATION directory is created while creating the
> staging directory. Since we set LOCATION to a default directory when LOCATION
> is not assigned in the CREATE DATABASE query, I believe it's worth to set
> MANAGEDLOCATION to a default directory, too.
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