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https://issues.apache.org/jira/browse/HIVE-22962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17050027#comment-17050027
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Hive QA commented on HIVE-22962:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12995382/HIVE-22962.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 13 failed/errored test(s), 18096 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[ambiguitycheck]
(batchId=85)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[cast1] (batchId=87)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[decimal_2] (batchId=72)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[udf_aes_decrypt]
(batchId=62)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[udf_aes_encrypt]
(batchId=100)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[udf_crc32] (batchId=2)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[udf_decode] (batchId=99)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[udf_md5] (batchId=10)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[udf_sha1] (batchId=8)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[udf_sha2] (batchId=13)
org.apache.hadoop.hive.cli.TestKuduCliDriver.testCliDriver[kudu_queries]
(batchId=297)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vector_decimal_2]
(batchId=175)
org.apache.hive.jdbc.TestJdbcWithMiniHS2.testParallelCompilation4 (batchId=293)
{noformat}
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/20925/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/20925/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-20925/
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: 13 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12995382 - PreCommit-HIVE-Build
> Reuse HiveRelFieldTrimmer instance across queries
> -------------------------------------------------
>
> Key: HIVE-22962
> URL: https://issues.apache.org/jira/browse/HIVE-22962
> Project: Hive
> Issue Type: Improvement
> Components: CBO
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Attachments: HIVE-22962.patch
>
>
> Currently we create multiple {{HiveRelFieldTrimmer}} instances per query.
> {{HiveRelFieldTrimmer}} uses a method dispatcher that has a built-in caching
> mechanism: given a certain object, it stores the method that was called for
> the object class. However, by instantiating the trimmer multiple times per
> query and across queries, we create a new dispatcher with each instantiation,
> thus effectively removing the caching mechanism that is built within the
> dispatcher.
> This issue is to reutilize the same {{HiveRelFieldTrimmer}} instance within a
> single query and across queries.
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