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From "Navis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8181) Upgrade JavaEWAH version to allow for unsorted bitset creation
Date Fri, 02 Jan 2015 08:23:13 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14262781#comment-14262781
] 

Navis commented on HIVE-8181:
-----------------------------

[~gopalv] I think I've misunderstood the argument of theses functions. I thought (13,2,4,8589934592,4096,0)
is index of a bitset, which is not. Scratch the patch. Sorry.

> Upgrade JavaEWAH version to allow for unsorted bitset creation
> --------------------------------------------------------------
>
>                 Key: HIVE-8181
>                 URL: https://issues.apache.org/jira/browse/HIVE-8181
>             Project: Hive
>          Issue Type: Bug
>          Components: UDF
>    Affects Versions: 0.14.0, 0.13.1
>            Reporter: Gopal V
>            Assignee: Gopal V
>         Attachments: HIVE-8181.1.patch, HIVE-8181.2.patch.txt
>
>
> JavaEWAH has removed the restriction that bitsets can only be set in order in the latest
release. 
> Currently the use of {{ewah_bitmap}} UDAF requires a {{SORT BY}}.
> {code}
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.RuntimeException:
Can't set bits out of order with EWAHCompressedBitmap
>         at org.apache.hadoop.hive.ql.exec.GroupByOperator.processOp(GroupByOperator.java:824)
>         at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:474)
>         at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:800)
>         at org.apache.hadoop.hive.ql.exec.SelectOperator.processOp(SelectOperator.java:84)
>         at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:474)
>         at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:800)
>         at org.apache.hadoop.hive.ql.exec.ExtractOperator.processOp(ExtractOperator.java:45)
>         at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:474)
>         at org.apache.hadoop.hive.ql.exec.ExecReducer.reduce(ExecReducer.java:249)
>         ... 7 more
> Caused by: java.lang.RuntimeException: Can't set bits out of order with EWAHCompressedBitmap
>         at 
> {code}



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