1 files changed, 2 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
index 0062952667..628a609521 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
@@ -555,13 +555,13 @@ module ActiveRecord
         # PostgreSQL requires the ORDER BY columns in the select list for distinct queries, and
         # requires that the ORDER BY include the distinct column.
         def columns_for_distinct(columns, orders) #:nodoc:
-          order_columns = orders.reject(&:blank?).map { |s|
+          order_columns = orders.compact_blank.map { |s|
               # Convert Arel node to string
               s = s.to_sql unless s.is_a?(String)
               # Remove any ASC/DESC modifiers
               s.gsub(/\s+(?:ASC|DESC)\b/i, "")
                .gsub(/\s+NULLS\s+(?:FIRST|LAST)\b/i, "")
-            }.reject(&:blank?).map.with_index { |column, i| "#{column} AS alias_#{i}" }
+            }.compact_blank.map.with_index { |column, i| "#{column} AS alias_#{i}" }
 
           (order_columns << super).join(", ")
         end