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-rwxr-xr-xactiverecord/lib/active_record/base.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 39fac0b7e7..defe1b56b6 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -67,6 +67,10 @@ module ActiveRecord #:nodoc:
class StatementInvalid < ActiveRecordError
end
+ # Raised when a record cannot be inserted because it would violate a uniqueness constraint.
+ class RecordNotUnique < StatementInvalid
+ end
+
# Raised when number of bind variables in statement given to <tt>:condition</tt> key (for example, when using +find+ method)
# does not match number of expected variables.
#