Author: stefan2
Date: Thu Jun 20 12:56:05 2013
New Revision: 1494966
URL: http://svn.apache.org/r1494966
Log:
Optimize 'svn log' and related operations: Teach the client to skip
the RA call when querying locations segments for repository roots.
We already know the answer.
* subversion/libsvn_client/ra.c
(svn_client__repos_location_segments): special case repo roots
Modified:
subversion/trunk/subversion/libsvn_client/ra.c
Modified: subversion/trunk/subversion/libsvn_client/ra.c
URL:
http://svn.apache.org/viewvc/subversion/trunk/subversion/libsvn_client/ra.c?rev=1494966&r1=1494965&r2=1494966&view=diff
==============================================================================
--- subversion/trunk/subversion/libsvn_client/ra.c (original)
+++ subversion/trunk/subversion/libsvn_client/ra.c Thu Jun 20 12:56:05 2013
@@ -601,8 +601,32 @@ svn_client__repos_location_segments(apr_
struct gls_receiver_baton_t gls_receiver_baton;
const char *old_session_url;
svn_error_t *err;
+ const char *rel_path;
*segments = apr_array_make(pool, 8, sizeof(svn_location_segment_t *));
+
+ /* Save us an RA layer round trip if we are on the repository root and
+ know the result in advance. It's fair to assume that the repo root
+ has already been cached in ra_session.
+
+ We also assume that all parameters are valid and reivisons properly
+ ordered. Otherwise, the error behavior might differ.
+ */
+ SVN_ERR(svn_ra_get_path_relative_to_root(ra_session, &rel_path, url, pool));
+ if (rel_path && rel_path[0] == 0)
+ {
+ svn_location_segment_t *segment = apr_pcalloc(pool, sizeof(*segment));
+ segment->range_start
+ = end_revision <= start_revision ? end_revision : 0;
+ segment->range_end
+ = end_revision <= start_revision ? start_revision : 0;
+ segment->path = rel_path;
+ APR_ARRAY_PUSH(*segments, svn_location_segment_t *) = segment;
+
+ return SVN_NO_ERROR;
+ }
+
+ /* Do it the hard way and ask the repository layer. */
gls_receiver_baton.segments = *segments;
gls_receiver_baton.ctx = ctx;
gls_receiver_baton.pool = pool;
