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Update the documentation to reflect the change handling :group earlier

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1 parent 4dae364 commit 4db7e8de1160de6c813a33266fa415849e25fba6 @NZKoz NZKoz committed Sep 16, 2008
Showing with 4 additions and 1 deletion.
  1. +4 −1 activerecord/lib/active_record/associations/has_many_association.rb
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5 activerecord/lib/active_record/associations/has_many_association.rb
@@ -17,7 +17,10 @@ def owner_quoted_id
# Returns the number of records in this collection.
#
# If the association has a counter cache it gets that value. Otherwise
- # a count via SQL is performed, bounded to <tt>:limit</tt> if there's one.
+ # it will attempt to do a count via SQL, bounded to <tt>:limit</tt> if
+ # there's one. Some configuration options like :group make it impossible
+ # to do a SQL count, in those cases the array count will be used.
+ #
# That does not depend on whether the collection has already been loaded
# or not. The +size+ method is the one that takes the loaded flag into
# account and delegates to +count_records+ if needed.

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