diff options
| -rw-r--r-- | lib/arel/engines/sql/relations/compiler.rb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/arel/engines/sql/relations/compiler.rb b/lib/arel/engines/sql/relations/compiler.rb index ad68a7ea2e..43d0e1aeb9 100644 --- a/lib/arel/engines/sql/relations/compiler.rb +++ b/lib/arel/engines/sql/relations/compiler.rb @@ -13,7 +13,8 @@ module Arel end def select_sql - if relation.projections.first.is_a?(Count) && relation.projections.size == 1 && + projections = @relation.projections + if projections.first.is_a?(Count) && projections.size == 1 && (relation.taken.present? || relation.wheres.present?) && relation.joins(self).blank? subquery = [ "SELECT 1 FROM #{relation.from_clauses}", build_clauses |