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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-5056) Incorrect statement in reference manual about memory requirement when streaming columns
Date Fri, 18 Feb 2011 13:11:38 GMT
Incorrect statement in reference manual about memory requirement when streaming columns
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                 Key: DERBY-5056
                 URL: https://issues.apache.org/jira/browse/DERBY-5056
             Project: Derby
          Issue Type: Bug
          Components: Documentation
    Affects Versions: 10.7.1.1
            Reporter: Knut Anders Hatlen
            Priority: Minor


The reference manual says the following about memory requirements when streaming columns from
the network client - http://db.apache.org/derby/docs/10.7/ref/rrefjavsqlprst.html:

> For applications using the client driver, if the stream is stored in a column of a type
other than LONG VARCHAR or LONG VARCHAR FOR BIT DATA, the entire stream must be able to fit
into memory at one time. Streams stored in LONG VARCHAR and LONG VARCHAR FOR BIT DATA columns
do not have this limitation.

I believe this is not true any more. There was a lot of work to reduce the memory requirements
for LOBs in Derby 10.2 and Derby 10.3, and I think the specific problem referred to in this
section of the manual was fixed in DERBY-550/DERBY-1301.

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