[ https://forge.continuent.org/jira/browse/SEQUOIA-1134?page=all ]
     
Emmanuel Cecchet resolved SEQUOIA-1134:
---------------------------------------

    Resolution: Fixed

Code available in CVS

> Derby needs a specific BackendObjectConverter to handle LOBs
> ------------------------------------------------------------
>
>          Key: SEQUOIA-1134
>          URL: https://forge.continuent.org/jira/browse/SEQUOIA-1134
>      Project: Sequoia
>         Type: New Feature

>   Components: Core
>     Versions: sequoia 2.10.10
>     Reporter: Emmanuel Cecchet
>     Assignee: Emmanuel Cecchet
>      Fix For: Sequoia 4.0

>
>
> There is a problem in the way Derby handles LOBs (see 
> db-derby-10.4.2.0-bin/docs/html/ref/crefjavbclobnot.html). The 
> getClob/getBlob method can only be called once which generates an error at 
> serialization time because we fetch first the object using getObject and we 
> try to serialize it later using getxxxStream on the Lob which breaks with 
> Derby.
> Therefore we need a BackendObjectConverter that converts Lobs to native types 
> on-the-fly so that serialization does not break.

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