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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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Description:
Wrong results for an Int.MinValue position or count:
{code:sql}
SELECT instr('abcabc', 'abc', -2147483648, 1);
-- returns 4, expected 0
SELECT substring_index('a.b.c', '.', -2147483648);
-- throws NegativeArraySizeException, expected a.b.c
SELECT substring_index(collate('a.b.c', 'UTF8_LCASE'), '.', -2147483648);
-- returns '', expected a.b.c
{code}
was:
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}
> 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
>
> Wrong results for an Int.MinValue position or count:
> {code:sql}
> SELECT instr('abcabc', 'abc', -2147483648, 1);
> -- returns 4, expected 0
> SELECT substring_index('a.b.c', '.', -2147483648);
> -- throws NegativeArraySizeException, expected a.b.c
> SELECT substring_index(collate('a.b.c', 'UTF8_LCASE'), '.', -2147483648);
> -- returns '', expected a.b.c
> {code}
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