Support :db key for :out in map_reduce

References RUBY-389
shingara · Dec 15, 2011 · 28796ac · 28796ac
1 parent 4858d30
commit 28796ac
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/mongo/collection.rb b/lib/mongo/collection.rb
@@ -624,7 +624,12 @@ def map_reduce(map, reduce, opts={})
       if raw
         result
       elsif result["result"]
-        @db[result["result"]]
+        if result['result'].is_a? BSON::OrderedHash and result['result'].has_key? 'db' and result['result'].has_key? 'collection'
+          otherdb = @db.connection[result['result']['db']]
+          otherdb[result['result']['collection']]
+        else
+          @db[result["result"]]
+        end
       else
         raise ArgumentError, "Could not instantiate collection from result. If you specified " +
           "{:out => {:inline => true}}, then you must also specify :raw => true to get the results."