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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19569) alter table db1.t1 rename db2.t2 generates MetaStoreEventListener.onDropTable()
Date Mon, 18 Jun 2018 19:03:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16516165#comment-16516165
] 

Hive QA commented on HIVE-19569:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12928113/HIVE-19569.01-branch-3.patch

{color:green}SUCCESS:{color} +1 due to 2 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 8 failed/errored test(s), 14350 tests executed
*Failed tests:*
{noformat}
TestBeeLineDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=256)
TestDummy - did not produce a TEST-*.xml file (likely timed out) (batchId=256)
TestMiniDruidCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=256)
TestMiniDruidKafkaCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=256)
TestTezPerfCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=256)
org.apache.hadoop.hive.ql.TestWarehouseExternalDir.testManagedPaths (batchId=233)
org.apache.hive.service.TestHS2ImpersonationWithRemoteMS.testImpersonation (batchId=242)
org.apache.hive.spark.client.rpc.TestRpc.testServerPort (batchId=308)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/11895/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/11895/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-11895/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 8 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12928113 - PreCommit-HIVE-Build

> alter table db1.t1 rename db2.t2 generates MetaStoreEventListener.onDropTable()
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-19569
>                 URL: https://issues.apache.org/jira/browse/HIVE-19569
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore, Standalone Metastore, Transactions
>    Affects Versions: 3.0.0
>            Reporter: Eugene Koifman
>            Assignee: mahesh kumar behera
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>         Attachments: HIVE-19569.01-branch-3.patch, HIVE-19569.01.patch, HIVE-19569.02.patch,
HIVE-19569.03.patch, HIVE-19569.04.patch
>
>
> When renaming a table within the same DB, this operation causes {{MetaStoreEventListener.onAlterTable()}}
to fire but when changing DB name for a table it causes {{MetaStoreEventListener.onDropTable()}}
+ {{MetaStoreEventListener.onCreateTable()}}.
> The files from original table are moved to new table location.  
> This creates confusing semantics since any logic in {{onDropTable()}} doesn't know about
the larger context, i.e. that there will be a matching {{onCreateTable()}}.
> In particular, this causes a problem for Acid tables since files moved from old table
use WriteIDs that are not meaningful with the context of new table.
> Current implementation is due to replication.  This should ideally be changed to raise
a "not supported" error for tables that are marked for replication.
> cc [~sankarh]



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