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Posted to commits@couchdb.apache.org by rn...@apache.org on 2014/08/26 11:46:01 UTC

[06/26] couch commit: updated refs/heads/windsor-merge to 14dc5e9

Add couch_db_header:latest/1

This function returns false if it's supplied an integer less than the
?LATEST_DISK_VERSION, true if supplied ?LATEST_DISK_VERSION, and
undefined on any other input.

BugzID: 15762


Project: http://git-wip-us.apache.org/repos/asf/couchdb-couch/repo
Commit: http://git-wip-us.apache.org/repos/asf/couchdb-couch/commit/5a2da109
Tree: http://git-wip-us.apache.org/repos/asf/couchdb-couch/tree/5a2da109
Diff: http://git-wip-us.apache.org/repos/asf/couchdb-couch/diff/5a2da109

Branch: refs/heads/windsor-merge
Commit: 5a2da109272d26767cea9bc695b6e34161d6f783
Parents: 50b5aab
Author: Adam Kocoloski <ad...@cloudant.com>
Authored: Thu Jun 26 16:48:46 2014 -0400
Committer: Robert Newson <rn...@apache.org>
Committed: Tue Aug 26 10:42:38 2014 +0100

----------------------------------------------------------------------
 src/couch_db_header.erl | 7 +++++++
 1 file changed, 7 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/couchdb-couch/blob/5a2da109/src/couch_db_header.erl
----------------------------------------------------------------------
diff --git a/src/couch_db_header.erl b/src/couch_db_header.erl
index 03f95ea..2d48434 100644
--- a/src/couch_db_header.erl
+++ b/src/couch_db_header.erl
@@ -26,6 +26,7 @@
     update_seq/1,
     id_tree_state/1,
     seq_tree_state/1,
+    latest/1,
     local_tree_state/1,
     purge_seq/1,
     purged_docs/1,
@@ -283,6 +284,12 @@ upgrade_compacted_seq(#db_header{}=Header) ->
             Header
     end.
 
+latest(?LATEST_DISK_VERSION) ->
+    true;
+latest(N) when is_integer(N), N < ?LATEST_DISK_VERSION ->
+    false;
+latest(_Else) ->
+    undefined.
 
 -ifdef(TEST).
 -include_lib("eunit/include/eunit.hrl").