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-rw-r--r--activerecord/lib/active_record/relation/calculations.rb7
1 files changed, 4 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb
index 4f9ddf302e..0384023a17 100644
--- a/activerecord/lib/active_record/relation/calculations.rb
+++ b/activerecord/lib/active_record/relation/calculations.rb
@@ -416,16 +416,17 @@ module ActiveRecord
def build_count_subquery(relation, column_name, distinct)
if column_name == :all
+ column_alias = Arel.star
relation.select_values = [ Arel.sql(FinderMethods::ONE_AS_ONE) ] unless distinct
else
column_alias = Arel.sql("count_column")
relation.select_values = [ aggregate_column(column_name).as(column_alias) ]
end
- subquery = relation.arel.as(Arel.sql("subquery_for_count"))
- select_value = operation_over_aggregate_column(column_alias || Arel.star, "count", false)
+ subquery_alias = Arel.sql("subquery_for_count")
+ select_value = operation_over_aggregate_column(column_alias, "count", false)
- Arel::SelectManager.new(subquery).project(select_value)
+ relation.build_subquery(subquery_alias, select_value)
end
end
end