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https://issues.apache.org/jira/browse/HIVE-5771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13867292#comment-13867292
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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/12622188/HIVE-5771.5.patch
{color:red}ERROR:{color} -1 due to 10 failed/errored test(s), 4908 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_annotate_stats_filter
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_annotate_stats_part
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_annotate_stats_select
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_decimal_udf
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_pcr
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_show_create_table_serde
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_notexists_having
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_notin_having
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_udf7
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vectorization_div0
{noformat}
Test results:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/843/testReport
Console output:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/843/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 exited with: TestsFailedException: 10 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12622188
> 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-5771.2.patch, HIVE-5771.3.patch,
> HIVE-5771.4.patch, HIVE-5771.5.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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