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https://issues.apache.org/jira/browse/DRILL-7818?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Charles Givre updated DRILL-7818:
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Fix Version/s: (was: 1.18.0)
1.19.0
> SplitPart (SPLIT_PART) UDF work correct only with one-row data
> --------------------------------------------------------------
>
> Key: DRILL-7818
> URL: https://issues.apache.org/jira/browse/DRILL-7818
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill
> Affects Versions: 1.18.0
> Reporter: Mykhailo Surnyk
> Priority: Major
> Fix For: 1.19.0
>
>
> SPLIT_PART UDF from
> [https://github.com/apache/drill/blob/eb63eadda9a7836d70513e10caec4664c42a1237/exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/StringFunctions.java#L389]
> Don't work for the query that returns two or more rows, for example:
> {code:java}
> SELECT SPLIT_PART(A, ' ', 1) FROM (SELECT 'key1 value1' as A UNION SELECT
> 'key2 value2'{code}
> will throw an error, but
> {code:java}
> SELECT SPLIT_PART(A, ' ', 1) FROM (SELECT 'key1 value1' as A UNION SELECT
> 'key2 value2') limit 1{code}
> Will return the correct result.
> It's reproducing also for real data without `union`, I add it's just for
> example.
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