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https://issues.apache.org/jira/browse/DRILL-7491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17017911#comment-17017911
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ASF GitHub Bot commented on DRILL-7491:
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arina-ielchiieva commented on issue #1955: DRILL-7491: Incorrect count()
returned for complex types in parquet
URL: https://github.com/apache/drill/pull/1955#issuecomment-575580335
@paul-rogers Igor had addressed code review comments and left one comment
explaining the background of the issue
(https://github.com/apache/drill/pull/1955#discussion_r366812967). Could you
take a look one more time? Thanks.
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> Incorrect count() returned for complex types in parquet
> -------------------------------------------------------
>
> Key: DRILL-7491
> URL: https://issues.apache.org/jira/browse/DRILL-7491
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill, Functions - Hive, Storage - Parquet
> Affects Versions: 1.16.0, 1.17.0
> Reporter: Igor Guzenko
> Assignee: Igor Guzenko
> Priority: Major
> Labels: ready-to-commit
> Fix For: 1.18.0
>
> Attachments: hive_alltypes.parquet
>
>
> To reproduce use the attached file for {{hive_alltypes.parquet}} (this is
> parquet file generated by Hive) and try count on columns *c13 - c15.* For
> example,
> {code:sql}
> SELECT count(c13) FROM dfs.tmp.`hive_alltypes.parquet`
> {code}
> *Expected result:* {color:green}3 {color}
> *Actual result:* {color:red}0{color}
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