[
https://issues.apache.org/jira/browse/HIVE-2782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13204081#comment-13204081
]
Zhenxiao Luo commented on HIVE-2782:
------------------------------------
I think Carl is correct. Order by the fifth character of the src.value field
does not guarantee deterministic ordering.
How about:
SELECT
key,
value,
LENGTH(CAST(src.key AS BINARY)) as key_length,
LENGTH(CAST(src.value AS BINARY)) as value_length,
CONCAT(CAST(src.key AS BINARY), CAST(src.value AS BINARY)) as
key_value_concat,
SUBSTR(CAST(src.value AS BINARY), 1, 4) as value_substr
FROM src
ORDER BY key ASC, value ASC, key_length ASC, value_length ASC, key_value_concat
ASC, value_substr ASC
LIMIT 100;
This should guarantee the ordering.
> New BINARY type produces unexpected results with supported UDFS when using
> MapReduce2
> -------------------------------------------------------------------------------------
>
> Key: HIVE-2782
> URL: https://issues.apache.org/jira/browse/HIVE-2782
> Project: Hive
> Issue Type: Bug
> Reporter: Zhenxiao Luo
> Assignee: Carl Steinbach
> Attachments: HIVE-2782.D1653.1.patch, HIVE-2782.D1653.1.patch
>
>
> When using MapReduce2 for Hive
> ba_table_udfs is failing with unexpected output:
> [junit] Begin query: ba_table_udfs.q
> [junit] 12/01/23 13:32:28 WARN conf.Configuration: mapred.system.dir is
> deprecated. Instead, use mapreduce.jobtracker.system.dir
> [junit] 12/01/23 13:32:28 WARN conf.Configuration: mapred.local.dir is
> deprecated. Instead, use mapreduce.cluster.local.dir
> [junit] diff -a -I file: -I pfile: -I hdfs: -I /tmp/ -I invalidscheme: -I
> lastUpdateTime -I lastAccessTime -I [Oo]wner -I CreateTime -I LastAccessTime
> -I Location -I LOCATION ' -I transient_lastDdlTime -I last_modified_ -I
> java.lang.RuntimeException -I at org -I at sun -I at java -I at junit -I
> Caused by: -I LOCK_QUERYID: -I LOCK_TIME: -I grantTime -I [.][.][.] [0-9]*
> more -I job_[0-9]*_[0-9]* -I USING 'java -cp
> /home/cloudera/Code/hive/build/ql/test/logs/clientpositive/ba_table_udfs.q.out
>
> /home/cloudera/Code/hive/ql/src/test/results/clientpositive/ba_table_udfs.q.out
> [junit] 20,26c20,26
> [junit] < 2 10val_10 1
> [junit] < 3 164val_164 1
> [junit] < 3 150val_150 1
> [junit] < 2 18val_18 1
> [junit] < 3 177val_177 1
> [junit] < 2 12val_12 1
> [junit] < 2 11val_11 1
> [junit] —
> [junit] > 3 120val_120 1
> [junit] > 3 192val_192 1
> [junit] > 3 119val_119 1
> [junit] > 3 187val_187 1
> [junit] > 3 176val_176 1
> [junit] > 3 199val_199 1
> [junit] > 3 118val_118 1
> [junit] Exception: Client execution results failed with error code = 1
> [junit] See build/ql/tmp/hive.log, or try "ant test ... -Dtest.silent=false"
> to get more logs.
> [junit] junit.framework.AssertionFailedError: Client execution results failed
> with error code = 1
> [junit] See build/ql/tmp/hive.log, or try "ant test ... -Dtest.silent=false"
> to get more logs.
> [junit] at junit.framework.Assert.fail(Assert.java:50)
> [junit] at
> org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ba_table_udfs(TestCliDriver.java:129)
> [junit] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> [junit] at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> [junit] at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> [junit] at java.lang.reflect.Method.invoke(Method.java:616)
> [junit] at junit.framework.TestCase.runTest(TestCase.java:168)
> [junit] at junit.framework.TestCase.runBare(TestCase.java:134)
> [junit] at junit.framework.TestResult$1.protect(TestResult.java:110)
> [junit] at junit.framework.TestResult.runProtected(TestResult.java:128)
> [junit] at junit.framework.TestResult.run(TestResult.java:113)
> [junit] at junit.framework.TestCase.run(TestCase.java:124)
> [junit] at junit.framework.TestSuite.runTest(TestSuite.java:243)
> [junit] at junit.framework.TestSuite.run(TestSuite.java:238)
> [junit] at
> org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:420)
> [junit] at
> org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:911)
> [junit] at
> org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:768)
> [junit] See build/ql/tmp/hive.log, or try "ant test ... -Dtest.silent=false"
> to get more logs.)
> [junit] Cleaning up TestCliDriver
> [junit] Tests run: 2, Failures: 1, Errors: 0, Time elapsed: 10.751 sec
> [junit] Test org.apache.hadoop.hive.cli.TestCliDriver FAILED
> [for] /home/cloudera/Code/hive/ql/build.xml: The following error occurred
> while executing this line:
> [for] /home/cloudera/Code/hive/build.xml:328: The following error occurred
> while executing this line:
> [for] /home/cloudera/Code/hive/build-common.xml:453: Tests failed!
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