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https://issues.apache.org/jira/browse/HIVE-25686?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Bathori updated HIVE-25686:
--------------------------------
Status: Patch Available (was: Open)
> UDFSpace result length calculation is incorrect after HADOOP-17901 and
> HADOOP-17905
> -----------------------------------------------------------------------------------
>
> Key: HIVE-25686
> URL: https://issues.apache.org/jira/browse/HIVE-25686
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Mark Bathori
> Assignee: Mark Bathori
> Priority: Critical
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The changes added in HADOOP-17901 and HADOOP-17905 introduced some issues in
> Hive side. UDFSpace is generating false output because the result length is
> not determined correctly. It is causing unexpected characters in the result.
> *Repro steps:*
> {code:java}
> create table t(i int);{code}
> {code:java}
> insert into t values (5),(6),(7),(8),(9),(10),(11),(12),(13),(14);{code}
> {code:java}
> select i, SPACE(i) from t;{code}
>
> Faulty output:
> {code:java}
> +-----+-----------------+
> | i | _c1 |
> +-----+-----------------+
> | 5 | |
> | 6 | |
> | 7 | |
> | 8 | |
> | 9 | |
> | 10 | |
> | 11 | |
> | 12 | |
> | 13 | |
> | 14 | |
> +-----+-----------------+
> {code}
>
> Also by using {color:#ff0000}--outputformat=csv{color} the generated file
> contains 0 ascii characters(“EOF”) instead of spaces.
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