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-rw-r--r--activerecord/lib/active_record/relation/finder_methods.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb
index 72e9272cd7..ff825e52c1 100644
--- a/activerecord/lib/active_record/relation/finder_methods.rb
+++ b/activerecord/lib/active_record/relation/finder_methods.rb
@@ -245,9 +245,9 @@ module ActiveRecord
def construct_limited_ids_condition(relation)
orders = relation.order_values.map { |val| val.presence }.compact
- values = @klass.connection.distinct("#{quoted_table_name}.#{primary_key}", orders)
+ values = @klass.connection.columns_for_distinct("#{quoted_table_name}.#{quoted_primary_key}", orders)
- relation = relation.dup.select(values)
+ relation = relation.dup.select(values).distinct!
id_rows = @klass.connection.select_all(relation.arel, 'SQL', relation.bind_values)
ids_array = id_rows.map {|row| row[primary_key]}