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https://issues.apache.org/jira/browse/SPARK-39639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17560866#comment-17560866
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Apache Spark commented on SPARK-39639:
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User 'panbingkun' has created a pull request for this issue:
https://github.com/apache/spark/pull/37031
> Fix possible null pointer in MySQLDialect listIndexes
> -----------------------------------------------------
>
> Key: SPARK-39639
> URL: https://issues.apache.org/jira/browse/SPARK-39639
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: panbingkun
> Priority: Minor
>
> h3. when:
> {quote}val indexComment = rs.getString("Index_comment")
> {color:#172b4d}*return null*{color}
> {quote}
> h3. then:
> {quote}if (indexComment.nonEmpty) properties.put("COMMENT", indexComment)
> {color:#172b4d}*throw NullPointerException*{color}
> {quote}
> h3. finally:
> {quote}MySQLDialect.listIndexes {color:#172b4d}return incorrect result(ingore
> exist index).{color}
> {quote}
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