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https://issues.apache.org/jira/browse/SPARK-49321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-49321:
-----------------------------------
Labels: pull-request-available (was: )
> Additional JDBC dialects not registered in executor
> ---------------------------------------------------
>
> Key: SPARK-49321
> URL: https://issues.apache.org/jira/browse/SPARK-49321
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.5.0, 4.0.0, 3.5.1, 3.5.2
> Reporter: Johnny Walker
> Priority: Minor
> Labels: pull-request-available
>
> While working on a Spark application, I created a custom JDBC dialect and
> registered before creating a {{SparkSession}}. Spark did not use the
> dialect's {{JdbcSQLQueryBuilder}}, however, so I investigated further. I
> discovered that {{JDBCRDD}} [repeats the dialect
> resolution|https://github.com/apache/spark/blame/fe2174d8caaf6f9474319a8d729a2f537038b4c1/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala#L177],
> and this runs on the executor.
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