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https://issues.apache.org/jira/browse/HIVE-5771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13824885#comment-13824885
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Hive QA commented on HIVE-5771:
-------------------------------
{color:red}Overall{color}: -1 at least one tests failed
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12614281/HIVE-5771.1.patch
{color:red}ERROR:{color} -1 due to 17 failed/errored test(s), 4612 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_create_like_view
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_merge4
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_sample8
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_show_create_table_alter
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_show_create_table_serde
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_smb_mapjoin_18
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_transform_ppr1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_transform_ppr2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_udf_in_file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_ppr
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_unset_table_view_property
org.apache.hadoop.hive.ql.parse.TestParse.testParse_groupby1
org.apache.hadoop.hive.ql.parse.TestParse.testParse_groupby2
org.apache.hadoop.hive.ql.parse.TestParse.testParse_groupby3
org.apache.hadoop.hive.ql.parse.TestParse.testParse_groupby4
org.apache.hadoop.hive.ql.parse.TestParse.testParse_groupby5
org.apache.hadoop.hive.ql.parse.TestParse.testParse_groupby6
{noformat}
Test results:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/334/testReport
Console output:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/334/console
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests failed with: TestsFailedException: 17 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12614281
> Constant propagation optimizer for Hive
> ---------------------------------------
>
> Key: HIVE-5771
> URL: https://issues.apache.org/jira/browse/HIVE-5771
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Ted Xu
> Assignee: Ted Xu
> Attachments: HIVE-5771.1.patch, HIVE-5771.patch
>
>
> Currently there is no constant folding/propagation optimizer, all expressions
> are evaluated at runtime.
> HIVE-2470 did a great job on evaluating constants on UDF initializing phase,
> however, it is still a runtime evaluation and it doesn't propagate constants
> from a subquery to outside.
> It may reduce I/O and accelerate process if we introduce such an optimizer.
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