Derby needs a specific BackendObjectConverter to handle LOBs
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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
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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