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https://issues.apache.org/jira/browse/SPARK-58443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Yang updated SPARK-58443:
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Summary: Wrong results in instr and substring_index for an Int.MinValue
position or count (was: instr returns a wrong position instead of 0 when
start is Int.MinValue due to negation overflow)
> Wrong results in instr and substring_index for an Int.MinValue position or
> count
> --------------------------------------------------------------------------------
>
> Key: SPARK-58443
> URL: https://issues.apache.org/jira/browse/SPARK-58443
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 5.0.0
> Reporter: Eric Yang
> Priority: Major
> Labels: pull-request-available
>
> The 3/4-argument instr (SPARK-57436) returns the position of a match instead
> of 0 (not found) when start is Int.MinValue, which is out of range for any
> string:
> {code:sql}
> -- returns 4, expected 0 (start is far before the beginning of the string)
> SELECT instr('abcabc', 'abc', -2147483648, 1);
> {code}
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