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https://issues.apache.org/jira/browse/HIVE-21344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16904614#comment-16904614
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Hive QA commented on HIVE-21344:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12977240/HIVE-21344.01.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 16734 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestBeeLineDriver.testCliDriver[materialized_view_create_rewrite]
(batchId=296)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vector_groupby_grouping_sets3_dec]
(batchId=182)
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testCliDriver[strict_pruning_2]
(batchId=101)
org.apache.hadoop.hive.cli.TestTezPerfConstraintsCliDriver.testCliDriver[mv_query67]
(batchId=296)
org.apache.hadoop.hive.metastore.TestGetPartitionsUsingProjectionAndFilterSpecs.testGetPartitionsUsingValuesWithJDO
(batchId=224)
org.apache.hadoop.hive.ql.TestAcidOnTez.testGetSplitsLocksWithMaterializedView
(batchId=244)
{noformat}
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/18306/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/18306/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-18306/
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: 6 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12977240 - PreCommit-HIVE-Build
> CBO: Reduce compilation time in presence of materialized views
> --------------------------------------------------------------
>
> Key: HIVE-21344
> URL: https://issues.apache.org/jira/browse/HIVE-21344
> Project: Hive
> Issue Type: Bug
> Components: Materialized views
> Affects Versions: 4.0.0
> Reporter: Gopal V
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Attachments: HIVE-21344.01.patch, HIVE-21344.patch,
> calcite-planner-after-fix.svg.zip, mv-get-from-remote.png
>
>
> For every query, {{getAllValidMaterializedViews}} still requires a call to
> metastore to verify that the materializations exist, whether they are
> outdated or not, etc. Since this is only useful for active-active HS2
> deployments, we could take a less aggressive approach and check this
> information only after rewriting has been triggered. In addition, we could
> refresh the information in the HS2 registry periodically in a background
> thread.
> {code}
> // This is not a rebuild, we retrieve all the materializations. In turn, we
> do not need
> // to force the materialization contents to be up-to-date, as this is not a
> rebuild, and
> // we apply the user parameters
> (HIVE_MATERIALIZED_VIEW_REWRITING_TIME_WINDOW) instead.
> materializations = db.getAllValidMaterializedViews(getTablesUsed(basePlan),
> false, getTxnMgr());
> {code}
> !mv-get-from-remote.png!
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