1 files changed, 14 insertions, 9 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 18d943f452..09b2b892af 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
@@ -14,8 +14,10 @@ module ActiveRecord
           send m, 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
+        delegate :quote_column_name, :quote_table_name, :quote_default_expression, :type_to_sql,
+          :options_include_default?,  to: :@conn
+        private :quote_column_name, :quote_table_name, :quote_default_expression, :type_to_sql,
+          :options_include_default?
 
         private
 
@@ -38,14 +40,21 @@ module ActiveRecord
           end
 
           def visit_TableDefinition(o)
-            create_sql = "CREATE#{' TEMPORARY' if o.temporary} TABLE "
-            create_sql << "#{quote_table_name(o.name)} "
-            create_sql << "(#{o.columns.map { |c| accept c }.join(', ')}) " unless o.as
+            create_sql = "CREATE#{' TEMPORARY' if o.temporary} TABLE #{quote_table_name(o.name)} "
+
+            statements = o.columns.map { |c| accept c }
+            statements << accept(o.primary_keys) if o.primary_keys
+
+            create_sql << "(#{statements.join(', ')}) " if statements.present?
             create_sql << "#{o.options}"
             create_sql << " AS #{@conn.to_sql(o.as)}" if o.as
             create_sql
           end
 
+          def visit_PrimaryKeyDefinition(o)
+            "PRIMARY KEY (#{o.name.join(', ')})"
+          end
+
           def visit_AddForeignKey(o)
             sql = <<-SQL.strip_heredoc
               ADD CONSTRAINT #{quote_column_name(o.name)}
@@ -89,10 +98,6 @@ module ActiveRecord
             sql
           end
 
-          def options_include_default?(options)
-            options.include?(:default) && !(options[:null] == false && options[:default].nil?)
-          end
-
           def action_sql(action, dependency)
             case dependency
             when :nullify then "ON #{action} SET NULL"