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Posted to commits@openjpa.apache.org by mt...@apache.org on 2009/12/27 11:28:35 UTC

svn commit: r894052 - in /openjpa/trunk/openjpa-project/src/doc/manual: ref_guide_mapping.xml supported_databases.xml

Author: mtylenda
Date: Sun Dec 27 10:28:34 2009
New Revision: 894052

URL: http://svn.apache.org/viewvc?rev=894052&view=rev
Log:
OPENJPA-1248: Add note on MySQL limitations related to LOB streaming, improve wording.

Modified:
    openjpa/trunk/openjpa-project/src/doc/manual/ref_guide_mapping.xml
    openjpa/trunk/openjpa-project/src/doc/manual/supported_databases.xml

Modified: openjpa/trunk/openjpa-project/src/doc/manual/ref_guide_mapping.xml
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-project/src/doc/manual/ref_guide_mapping.xml?rev=894052&r1=894051&r2=894052&view=diff
==============================================================================
--- openjpa/trunk/openjpa-project/src/doc/manual/ref_guide_mapping.xml (original)
+++ openjpa/trunk/openjpa-project/src/doc/manual/ref_guide_mapping.xml Sun Dec 27 10:28:34 2009
@@ -2800,7 +2800,7 @@
                 </primary>
             </indexterm>
             <para>
-Apart from handling LOBs in a standard JPA manner
+In addition to handling LOBs in a standard JPA manner
 (<classname>LOB</classname> annotation and <literal>lob</literal> XML element),
 OpenJPA supports LOB streaming. This feature
 makes it possible to stream large amounts of data into and out of persistent

Modified: openjpa/trunk/openjpa-project/src/doc/manual/supported_databases.xml
URL: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-project/src/doc/manual/supported_databases.xml?rev=894052&r1=894051&r2=894052&view=diff
==============================================================================
--- openjpa/trunk/openjpa-project/src/doc/manual/supported_databases.xml (original)
+++ openjpa/trunk/openjpa-project/src/doc/manual/supported_databases.xml Sun Dec 27 10:28:34 2009
@@ -1058,6 +1058,13 @@
 to any value greater than zero will enable streaming result sets. 
                     </para>
                 </listitem>                
+                <listitem>
+                    <para>
+The use of <link linkend="ref_guide_streamsupport">LOB streaming</link> is limited.
+When reading LOB data from the database, the MySQL JDBC driver will actually
+load all the data in memory at the same time.
+                    </para>
+                </listitem>
             </itemizedlist>
         </section>
     </section>