scm: git: implement find_changeset_by_name (#7047).

SQL "like" is slow. git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4851 e93f8b46-1217-0410-a6f0-8f06a7374b81

scm: git: implement find_changeset_by_name (#7047).
SQL "like" is slow. git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4851 e93f8b46-1217-0410-a6f0-8f06a7374b81
cb467e3a · Toshi MARUYAMA · Eric Davis · f0d4b262 · cb467e3a
Commit cb467e3a authored Feb 16, 2011 by Toshi MARUYAMA Committed by Eric Davis Apr 16, 2011
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git.rb app/models/repository/git.rb +7 -0

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--- a/app/models/repository/git.rb
+++ b/app/models/repository/git.rb
@@ -47,6 +47,13 @@ class Repository::Git < Repository
    scm.tags
  end

+  def find_changeset_by_name(name)
+    return nil if name.nil? || name.empty?
+    e = changesets.find(:first, :conditions => ['revision = ?', name.to_s])
+    return e if e
+    changesets.find(:first, :conditions => ['scmid LIKE ?', "#{name}%"])
+  end
+
  # With SCM's that have a sequential commit numbering, redmine is able to be
  # clever and only fetch changesets going forward from the most recent one
  # it knows about.  However, with git, you never know if people have merged