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https://issues.apache.org/jira/browse/GEODE-4833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16720545#comment-16720545
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Jianxia Chen commented on GEODE-4833:
-------------------------------------
There are null SQL type dunit test coverage for MySQL and PostgreSQL:
https://github.com/apache/geode/blob/d3d420b44f7240cb61c8bc3f9c6d52436889747f/geode-connectors/src/acceptanceTest/java/org/apache/geode/connectors/jdbc/MySqlJdbcDistributedTest.java#L72-L87
https://github.com/apache/geode/blob/d3d420b44f7240cb61c8bc3f9c6d52436889747f/geode-connectors/src/acceptanceTest/java/org/apache/geode/connectors/jdbc/PostgresJdbcDistributedTest.java#L70-L85
[~dschneider] We believe these tests cover the issue mentioned in this ticket
and the issue is already resolved.
> JdbcWriter and JdbcAsyncWriter may fail to write null fields to database
> ------------------------------------------------------------------------
>
> Key: GEODE-4833
> URL: https://issues.apache.org/jira/browse/GEODE-4833
> Project: Geode
> Issue Type: Bug
> Components: extensions, regions
> Affects Versions: 1.4.0
> Reporter: Darrel Schneider
> Assignee: Darrel Schneider
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Both JdbcWriter and JdbcAsyncWriter end up calling the JDBC method
> PreparedStatement.setObject with a value of "null" if the pdx field contains
> "null".
> This will work with jdbc drivers that support sending "non-typed Null" to the
> backend database.
> But some drivers do not support this and these puts will fail with a
> SQLException.
> For portability the jdbc connector should be changed to not pass "null" to
> setObject without a type.
>
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