Derby should use Dynamic Data format to flow small lobs by value instead of
locator
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Key: DERBY-3353
URL: https://issues.apache.org/jira/browse/DERBY-3353
Project: Derby
Issue Type: Improvement
Components: Network Client, Network Server
Affects Versions: 10.3.1.4, 10.4.0.0
Environment: DRDA allows for "Dynamic Data Format" to allow lob data
to be transferred in one of three formats according to size.
X'01' Data in QRYDTA.
X'02' Data in EXTDTA.
X'03' Data as a progressive reference.
Currently we send all lob data by locator, meaning we make at least two stored
procedure calls per locator, one to retrieve the length and one to retrieve the
substring. This can lead to excessive overhead for small lobs.
Reporter: Kathey Marsden
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