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https://issues.apache.org/jira/browse/HIVE-253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12682536#action_12682536
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Ashish Thusoo commented on HIVE-253:
------------------------------------
I am getting some failures in the tests...
[junit] Begin query: input_testxpath2.q
[junit] Loading data to table srcpart partition {ds=2008-04-08, hr=11}
[junit] OK
[junit] Loading data to table srcpart partition {ds=2008-04-08, hr=12}
[junit] OK
[junit] Loading data to table srcpart partition {ds=2008-04-09, hr=11}
[junit] OK
[junit] Loading data to table srcpart partition {ds=2008-04-09, hr=12}
[junit] OK
[junit] Loading data to table srcbucket
[junit] OK
[junit] Loading data to table srcbucket
[junit] OK
[junit] Loading data to table src
[junit] OK
[junit] Exception: Client Execution failed with error code = 10
[junit] junit.framework.AssertionFailedError: Client Execution failed with
error code = 10
[junit] at junit.framework.Assert.fail(Assert.java:47)
[junit] at
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_input_testxpath2(TestCliDriver.java:3815)
[junit] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[junit] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[junit] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[junit] at java.lang.reflect.Method.invoke(Method.java:597)
[junit] at junit.framework.TestCase.runTest(TestCase.java:154)
[junit] at junit.framework.TestCase.runBare(TestCase.java:127)
[junit] at junit.framework.TestResult$1.protect(TestResult.java:106)
[junit] at junit.framework.TestResult.runProtected(TestResult.java:124)
[junit] at junit.framework.TestResult.run(TestResult.java:109)
[junit] at junit.framework.TestCase.run(TestCase.java:118)
[junit] at junit.framework.TestSuite.runTest(TestSuite.java:208)
[junit] at junit.framework.TestSuite.run(TestSuite.java:203)
[junit] at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:297)
[junit] at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:672)
[junit] at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:567)
[junit] Hive history
file=/data/users/athusoo/commits/hive_trunk_ws6/ql/../build/ql/tmp/hive_job_log_athusoo
> rand() gets precomputated in compilation phase
> ----------------------------------------------
>
> Key: HIVE-253
> URL: https://issues.apache.org/jira/browse/HIVE-253
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.2.0
> Reporter: Zheng Shao
> Assignee: Raghotham Murthy
> Priority: Blocker
> Fix For: 0.2.0
>
> Attachments: hive-253.1.patch, hive-253.2.patch
>
>
> SELECT * FROM t WHERE rand() < 0.01;
> Hive will say: "No need to submit job", because the condition evaluates to
> false.
> The rand() function is special in the sense that every time it evaluates to a
> different value. We should disallow computing the value in the compiling
> phase.
> One way to do that is to add an annotation in the UDFRand and check that in
> the compiling phase.
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