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https://issues.apache.org/jira/browse/HIVE-18225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16278931#comment-16278931
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Zoltan Haindrich commented on HIVE-18225:
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[~sershe], [~teddy.choi]: I'm not sure wheteher this is connect to the other
issue; but I've to say that I see the llap_fast related result diff almost all
the time: when {{hive.stats.column.autogather}} to true...this might be
possibly a more stable result difference...
> disaggreement in results; vector_decimal_mapjoin.q
> --------------------------------------------------
>
> Key: HIVE-18225
> URL: https://issues.apache.org/jira/browse/HIVE-18225
> Project: Hive
> Issue Type: Bug
> Reporter: Zoltan Haindrich
>
> one of these out files have changed for me...and it turned out that it's not
> clear which output should be the expected; since we have different version
> recorded :D
> for the last query in {{vector_decimal_mapjoin.q}} ; spark and clidriver
> gives 1 result; in the meanwhile llap returns a whole bunch of results.
> {code}
> $ tail `find ql -name vector_decimal_mapjoin.q.out`
> ==> ql/src/test/results/clientpositive/vector_decimal_mapjoin.q.out <==
> PREHOOK: type: QUERY
> PREHOOK: Input: default@t1_small
> PREHOOK: Input: default@t2_small
> #### A masked pattern was here ####
> POSTHOOK: query: select t1_small.`dec`, t1_small.value_dec, t2_small.`dec`,
> t2_small.value_dec from t1_small join t2_small on
> (t1_small.`dec`=t2_small.`dec`)
> POSTHOOK: type: QUERY
> POSTHOOK: Input: default@t1_small
> POSTHOOK: Input: default@t2_small
> #### A masked pattern was here ####
> 89.00 15.09 89 15
> ==> ql/src/test/results/clientpositive/llap/vector_decimal_mapjoin.q.out <==
> 9.00 48.96 9 34
> 9.00 48.96 9 38
> 9.00 48.96 9 41
> 9.00 48.96 9 42
> 9.00 48.96 9 45
> 9.00 48.96 9 48
> 9.00 48.96 9 49
> 9.00 48.96 9 5
> 9.00 48.96 9 7
> 9.00 48.96 9 7
> ==> ql/src/test/results/clientpositive/spark/vector_decimal_mapjoin.q.out <==
> PREHOOK: type: QUERY
> PREHOOK: Input: default@t1_small
> PREHOOK: Input: default@t2_small
> #### A masked pattern was here ####
> POSTHOOK: query: select t1_small.`dec`, t1_small.value_dec, t2_small.`dec`,
> t2_small.value_dec from t1_small join t2_small on
> (t1_small.`dec`=t2_small.`dec`)
> POSTHOOK: type: QUERY
> POSTHOOK: Input: default@t1_small
> POSTHOOK: Input: default@t2_small
> #### A masked pattern was here ####
> 89.00 15.09 89 15
> {code}
> I think the TestClidriver based one can be "changed" to the other result; by
> setting {{hive.stats.column.autogather=true}}.
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