At http://bzr.arbash-meinel.com/branches/bzr/1.8-dev/lighter_log_file
------------------------------------------------------------
revno: 3723
revision-id: [EMAIL PROTECTED]
parent: [EMAIL PROTECTED]
committer: John Arbash Meinel <[EMAIL PROTECTED]>
branch nick: lighter_log_file
timestamp: Thu 2008-09-18 15:43:43 -0500
message:
Document the advantage of using a revision_id set, instead of a (file_id,
revision_id) one.
=== modified file 'bzrlib/log.py'
--- a/bzrlib/log.py 2008-09-18 20:05:31 +0000
+++ b/bzrlib/log.py 2008-09-18 20:43:43 +0000
@@ -573,6 +573,8 @@
# are actually present, and then convert it back to revision_ids, since the
# file_id prefix is shared by everything.
text_parent_map = branch.repository.texts.get_parent_map(text_keys)
+ # Using a set of revisions instead of a set of keys saves about 1MB (out of
+ # say 400). Not a huge deal, but still "better".
modified_text_revisions = set(key[1] for key in text_parent_map)
del text_parent_map
del text_keys
--
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