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[PATCH] improve speed of non-verbose svn list, take 2

From: Garrett Rooney <rooneg_at_electricjellyfish.net>
Date: 2005-10-27 00:14:07 CEST

Ok, so thanks to the great feedback on the first iteration of this
patch I've now got another version for you guys to take a look at.

Changes between the first version and this one are:

  - Removed get_dir2 entry in ra vtable, just modified get_dir instead

  - Drop useless get_dir wrappers in ra libs, libsvn_ra takes care of that

  - SVN_DIRENT_ALL now defined as ~0

  - Updated libsvn_ra_svn/protocol

  - Remove useless subpool in ra_dav

  - Fixed off by one in ra_dav that broke everything

  - Implemented ra_local support

  - Changed ra_svn impl to passing a list of words instead of a bitfield

  - Used capital letters in log message to make kfogel happy

As usual, comments are more than welcome!


Speed up non-verbose 'svn list' commands by a scary amount by allowing
the server to avoid calculating parts of the svn_dirent_t objects that
are never used.

* subversion/libsvn_ra/wrapper_template.h
  (compat_get_dir): Update for new version of get_dir, pass SVN_DIRENT_ALL
   for the dirent_flags parameter.

* subversion/libsvn_ra/ra_loader.c
  (svn_ra_get_dir): Ditto.
  (svn_ra_get_dir2): New wrapper function.

* subversion/libsvn_ra/ra_loader.h
  (svn_ra__vtable_t): Add a dirent_fields parameter to the get_dir

* subversion/include/svn_ra_svn.h
   SVN_RA_SVN_DIRENT_LAST_AUTHOR): Constants to represent dirent bitfield
   values on the wire.

* subversion/include/svn_types.h
   SVN_DIRENT_LAST_AUTHOR): New bitfield values for each field in a dirent.
  (SVN_DIRENT_ALL): Combination of all the other bitfield values.

* subversion/include/svn_client.h
  (svn_client_ls4): New function, like svn_client_ls3, but with a dirent
   fields parameter.
  (svn_client_ls3): Deprecated in favor of svn_client_ls4.

* subversion/include/svn_ra.h
  (svn_ra_get_dir2): New version of svn_ra_get_dir, takes a dirent fields
  (svn_ra_get_dir): Deprecate in favor of svn_ra_get_dir2.

* subversion/libsvn_ra_local/ra_plugin.c
  (svn_ra_local__get_dir): Add dirent_fields parameter and use it to
   determine which parts of the dirents we need to fill in.

* subversion/libsvn_client/ls.c
  (get_dir_contents): Add a dirent_fields parameter, use svn_ra_get_dir2,
   update recursive call.
  (svn_client_ls4): New list function, adds a dirent_fields parameter which
   is passed to get_dir_contents.
  (svn_client_ls3): Backwards compat wrapper, calls svn_client_ls4 with the
   dirent_fields set to SVN_DIRENT_ALL.

* subversion/clients/cmdline/ls-cmd.c
  (svn_cl__ls): Use svn_client_ls4, only asking for the dirent fields we
   actually need.

* subversion/libsvn_ra_svn/client.c
  (ra_svn_get_dir): Take a dirent_fields parameter and pass it along via an
   optional new parameter to the get-dir command that holds a list of
   strings representing each field.

* subversion/libsvn_ra_svn/protocol
  (get-dir): Update for new dirent fields list.

* subversion/libsvn_ra_dav/ra_dav.h
  (svn_ra_dav__get_dir): Add dirent_fields parameter.

* subversion/libsvn_ra_dav/fetch.c
  (svn_ra_dav__get_dir): Add dirent_fields parameter and try to limit the
   number of properties we ask the server to send back based on it.

* subversion/svnserve/serve.c
  (get_dir): Parse new dirent_fields list from the get-dir command and
   only fill in the portions of the dirents that the user actually asked

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Received on Thu Oct 27 00:15:54 2005

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