Tianhan Hu created SPARK-43040:
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             Summary: Improve TimestampNTZ support in JDBC data source
                 Key: SPARK-43040
                 URL: https://issues.apache.org/jira/browse/SPARK-43040
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.3.3, 3.4.0
            Reporter: Tianhan Hu


[https://github.com/apache/spark/pull/36726] supports TimestampNTZ type in JDBC 
data source and [https://github.com/apache/spark/pull/37013] applies a fix to 
pass more test cases with H2.

The problem is that Java Timestamp is a poorly defined class and different JDBC 
drivers implement "getTimestamp" and "setTimestamp" with different expected 
behaviors in mind. The general conversion implementation would work with some 
JDBC dialects and their drivers but not others.

This issue is discovered when testing with PostgreSQL database.



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