王俊博 created SPARK-47707:
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Summary: Special handling of JSON type for MySQL connector
Key: SPARK-47707
URL: https://issues.apache.org/jira/browse/SPARK-47707
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.4.0
Environment: mysql-connector-java-5.1.49.jar
spark-3.5.0
Reporter: 王俊博
MySQL JDBC drivers `mysql-connector-java-5.1.49.jar` converts JSON type into
Types.CHAR with a precision of Int.Max.
When receiving CHAR with Int.Max precision, Spark executor will throw an error
of {{java.lang.OutOfMemoryError: Requested array size exceeds VM limit }}.
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