[
https://issues.apache.org/jira/browse/SPARK-36229?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tim Armstrong updated SPARK-36229:
----------------------------------
Environment: (was: SPARK-33428 fixed ArrayIndexOutofBoundsException but
introduced a new inconsistency in behaviour where the returned value is
different above the 64 char threshold.
{noformat}
scala> spark.sql("select conv(repeat('?', 64), 10, 16)").show
+---------------------------+
|conv(repeat(?, 64), 10, 16)|
+---------------------------+
| 0|
+---------------------------+
scala> spark.sql("select conv(repeat('?', 65), 10, 16)").show
+---------------------------+
|conv(repeat(?, 65), 10, 16)|
+---------------------------+
| FFFFFFFFFFFFFFFF|
+---------------------------+
scala> spark.sql("select conv(repeat('?', 65), 10, -16)").show
+----------------------------+
|conv(repeat(?, 65), 10, -16)|
+----------------------------+
| -1|
+----------------------------+
scala> spark.sql("select conv(repeat('?', 64), 10, -16)").show
+----------------------------+
|conv(repeat(?, 64), 10, -16)|
+----------------------------+
| 0|
+----------------------------+{noformat})
> conv() inconsistently handles invalid strings with > 64 invalid characters
> --------------------------------------------------------------------------
>
> Key: SPARK-36229
> URL: https://issues.apache.org/jira/browse/SPARK-36229
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Tim Armstrong
> Priority: Major
>
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