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-rw-r--r--lib/arel/relations/relation.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/arel/relations/relation.rb b/lib/arel/relations/relation.rb
index 8c56a0cdcc..cd58f0f15c 100644
--- a/lib/arel/relations/relation.rb
+++ b/lib/arel/relations/relation.rb
@@ -11,7 +11,7 @@ module Arel
(joins(self) unless joins(self).blank? ),
("WHERE #{selects.collect { |s| s.to_sql(Sql::WhereClause.new(self)) }.join("\n\tAND ")}" unless selects.blank? ),
("ORDER BY #{orders.collect { |o| o.to_sql(Sql::OrderClause.new(self)) }.join(', ')}" unless orders.blank? ),
- ("GROUP BY #{groupings.collect(&:to_sql)}" unless groupings.blank? ),
+ ("GROUP BY #{groupings.collect { |g| g.to_sql(Sql::GroupClause.new(self)) }.join(', ')}" unless groupings.blank? ),
("LIMIT #{taken}" unless taken.blank? ),
("OFFSET #{skipped}" unless skipped.blank? )
].compact.join("\n"), name