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Subject svn commit: r173035 - /jakarta/commons/proper/commons-build/trunk/xdocs/svninfo.xml
Date Mon, 23 May 2005 00:00:47 GMT
Author: skitching
Date: Sun May 22 17:00:45 2005
New Revision: 173035

Add info on problem selecting by date in subversion.


Modified: jakarta/commons/proper/commons-build/trunk/xdocs/svninfo.xml
--- jakarta/commons/proper/commons-build/trunk/xdocs/svninfo.xml (original)
+++ jakarta/commons/proper/commons-build/trunk/xdocs/svninfo.xml Sun May 22 17:00:45 2005
@@ -113,7 +113,18 @@
 If you want the latest code, you generally want the directory {component-name}/trunk,
 though you should check the project directory structure first via one of the methods
 listed above, as different projects may use different internal directory structures.</p>
+<b>Important!</b> At the current time, selecting by date in subversion within
+ASF repository isn't reliable. The reason is that when converting a date to a revision
+number, subversion assumes that revision N has an earlier date than revision N+M, and
+that it can therefore perform a binary search on revision numbers to locate one with
+the required date. However CVS imports of data that retain the original date
+information from CVS break this assumption. And unfortunately because revisions
+are repository-wide information, this affects date-based searches
+even in directories unrelated to the ones that CVS stuff was imported into.
+So while dates are reported correctly in "svn log" output, only revision numbers should
+be used with the -r option. See issue #752 in the subversion issue tracker at
 For more information on connecting to the ASF Subversion repository, see the 
 Subversion section of the

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