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https://issues.apache.org/jira/browse/DERBY-5696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13260836#comment-13260836
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Kim Haase commented on DERBY-5696:
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I'm trying to figure out how to document the behavior noted in DERBY-5489, but
I'm a little confused. I was going to say something like
"If you call one of the ResultSet methods getBytes, getString, or getObject on
a LOB after a different getter has already been invoked, an error occurs."
However, that seems to apply to items a, b, d, and e below, but not to c. Why
is it okay to call getObject after getBytes, but not the other way around?
a) OK: getBytes - getBytes
b) FAILS: getObject - getBytes
c) OK: getBytes - getObject
d) FAILS: getBytes - getObject - getBytes
e) FAILS: getBlob - getBinaryStream
Thanks for any advice.
> Documentation on LOBs needs some fixes
> --------------------------------------
>
> Key: DERBY-5696
> URL: https://issues.apache.org/jira/browse/DERBY-5696
> Project: Derby
> Issue Type: Bug
> Components: Documentation
> Affects Versions: 10.8.2.2
> Reporter: Kim Haase
> Assignee: Kim Haase
>
> DERBY-5489 points out some issues with multiple getXXX calls on LOBs that are
> not fully documented. The information should probably be added to "Notes on
> mapping of java.sql.Blob and java.sql.Clob interfaces". In addition, the
> topic "Mapping of java.sql.Blob and java.sql.Clob interfaces" has a typo and
> could probably use some additional information as well.
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