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-rw-r--r--lib/arel/predications.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/arel/predications.rb b/lib/arel/predications.rb
index 58f02a2b53..920a9ee374 100644
--- a/lib/arel/predications.rb
+++ b/lib/arel/predications.rb
@@ -163,6 +163,7 @@ module Arel
private
def grouping_any method_id, others
+ others = others.dup
first = send method_id, others.shift
Nodes::Grouping.new others.inject(first) { |memo,expr|
@@ -171,6 +172,7 @@ module Arel
end
def grouping_all method_id, others
+ others = others.dup
first = send method_id, others.shift
Nodes::Grouping.new others.inject(first) { |memo,expr|