1 files changed, 6 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
index f754df93b6..18d943f452 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
@@ -14,10 +14,6 @@ module ActiveRecord
           send m, o
         end
 
-        def visit_AddColumn(o)
-          "ADD #{accept(o)}"
-        end
-
         delegate :quote_column_name, :quote_table_name, :quote_default_expression, :type_to_sql, to: :@conn
         private :quote_column_name, :quote_table_name, :quote_default_expression, :type_to_sql
 
@@ -25,7 +21,7 @@ module ActiveRecord
 
           def visit_AlterTable(o)
             sql = "ALTER TABLE #{quote_table_name(o.name)} "
-            sql << o.adds.map { |col| visit_AddColumn col }.join(' ')
+            sql << o.adds.map { |col| accept col }.join(' ')
             sql << o.foreign_key_adds.map { |fk| visit_AddForeignKey fk }.join(' ')
             sql << o.foreign_key_drops.map { |fk| visit_DropForeignKey fk }.join(' ')
           end
@@ -37,6 +33,10 @@ module ActiveRecord
             column_sql
           end
 
+          def visit_AddColumnDefinition(o)
+            "ADD #{accept(o.column)}"
+          end
+
           def visit_TableDefinition(o)
             create_sql = "CREATE#{' TEMPORARY' if o.temporary} TABLE "
             create_sql << "#{quote_table_name(o.name)} "
@@ -70,6 +70,7 @@ module ActiveRecord
             column_options[:after] = o.after
             column_options[:auto_increment] = o.auto_increment
             column_options[:primary_key] = o.primary_key
+            column_options[:collation] = o.collation
             column_options
           end