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https://issues.apache.org/jira/browse/QPID-8257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16676588#comment-16676588
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Rob Godfrey commented on QPID-8257:
-----------------------------------
Alex, Olivier - I guess the probable cause might be that Sybase is interpreting
an "image" type with no content as equivalent to a null (i.e. there is no
concept of an "empty" image).
> Sybase message store not supporting empty messages
> --------------------------------------------------
>
> Key: QPID-8257
> URL: https://issues.apache.org/jira/browse/QPID-8257
> Project: Qpid
> Issue Type: Bug
> Components: Broker-J
> Affects Versions: qpid-java-broker-7.0.3
> Reporter: Olivier VERMEULEN
> Priority: Major
>
> Unlike other databases Sybase default nullability for a column is "NOT NULL".
> And since we don't specify anything when creating the QPID_MESSAGE_CONTENT
> table, the "content" column defaults to "NOT NULL".
> So when we send an empty message, this constraint is broken and we receive a
> SybSQLException...
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