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https://issues.apache.org/jira/browse/NIFI-6061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17339275#comment-17339275
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ASF subversion and git services commented on NIFI-6061:
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Commit 30fc26647e06a9a38b95ac050722bf752bb392b0 in nifi's branch
refs/heads/main from Matt Burgess
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=30fc266 ]
NIFI-6061: Fix CLOB/BLOB handling in PutDatabaseRecord
NIFI-6061: Force getBytes() in BLOB handling to use UTF-8 charset
NIFI-6061: Use setClob(), added unit tests, incorporated review comments
This closes #5049
Co-authored-by: zhangcheng <zhangche...@foxmail.com>
Signed-off-by: David Handermann <exceptionfact...@apache.org>
> PutDatabaseRecord does not properly handle BLOB/CLOB fields
> -----------------------------------------------------------
>
> Key: NIFI-6061
> URL: https://issues.apache.org/jira/browse/NIFI-6061
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 1.11.4
> Reporter: Matt Burgess
> Assignee: ZhangCheng
> Priority: Major
> Time Spent: 3h
> Remaining Estimate: 0h
>
> BLOB/CLOB fields in NiFi's Record API are returned from the record as
> Object[Byte], but when PutDatabaseRecord tries to insert Object[] via
> setObject(), the following error occurs:
> 2019-02-20 15:11:16,216 WARN [Timer-Driven Process Thread-10]
> o.a.n.p.standard.PutDatabaseRecord
> PutDatabaseRecord[id=0c84b9de-0169-1000-0164-3fbad7a17664] Failed to process
> StandardFlowFileRecord[uuid=d739f432-0871-41bb-a0c9-d6ceeac68a6d,claim=StandardContentClaim
> [resourceClaim=StandardResourceClaim[id=1550690599998-1, container=default,
> section=1], offset=1728,
> length=251],offset=0,name=d739f432-0871-41bb-a0c9-d6ceeac68a6d,size=251] due
> to org.postgresql.util.PSQLException: Can't infer the SQL type to use for an
> instance of [Ljava.lang.Object;. Use setObject() with an explicit Types value
> to specify the type to use.:
> Somewhere in the value conversion/representation, PutDatabaseRecord would
> likely need to create a java.sql.Blob object and transfer the bytes into it.
> One issue I see is that the record field type has been converted to
> Array[Byte], so the information that the field is a BLOB is lost by that
> point. If this requires DB-specific code, we'd likely need to add a Database
> Adapter property and delegate out to the various DB adapters.
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