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https://issues.apache.org/jira/browse/NIFI-5901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17222016#comment-17222016
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Christoph Charlet commented on NIFI-5901:
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It looks to me like the pull request as it stands doesn't work on Java8 if the
JSON contains null-values. Jackson raises an error about Optionals in the
schema. Simply registering Jacksons Jdk8Module in a static initializer resolved
that for me.
Happy to contribute a replicating example if one is needed, naturally also
happy to contribute a fix (though as far as I can tell it really is tiny).
> Write JSON record in database
> -----------------------------
>
> Key: NIFI-5901
> URL: https://issues.apache.org/jira/browse/NIFI-5901
> Project: Apache NiFi
> Issue Type: Improvement
> Affects Versions: 1.8.0
> Reporter: Flo Rance
> Assignee: Mike Thomsen
> Priority: Minor
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> It would be good to be able to store a whole json record in databases that
> implement it (e.g. postgresql). This would require to define the field in the
> shema as json/jsonb and then let PutDatabaseRecord inserts the json value in
> the json/jsonb field.
> At the moment, it's possible to store a json/jsonb through Postgresql JDBC
> using the Java sql type 'OTHER':
> Object data = "\{...}"; // the JSON document
> PreparedStatement.setObject(1, data, java.sql.Types.OTHER);
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