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https://issues.apache.org/jira/browse/SPARK-37859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-37859:
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Assignee: Apache Spark
> SQL tables created with JDBC with Spark 3.1 are not readable with 3.2
> ---------------------------------------------------------------------
>
> Key: SPARK-37859
> URL: https://issues.apache.org/jira/browse/SPARK-37859
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Karen Feng
> Assignee: Apache Spark
> Priority: Major
>
> In
> https://github.com/apache/spark/blob/bd24b4884b804fc85a083f82b864823851d5980c/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala#L312,
> a new metadata field is added during reading. As we do a full comparison of
> the user-provided schema and the actual schema in
> https://github.com/apache/spark/blob/bd24b4884b804fc85a083f82b864823851d5980c/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala#L356,
> resolution fails if a table created with Spark 3.1 is read with Spark 3.2.
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