Fix Rails 6 migrations

Author: wpolicarpo

lib/active_record/connection_adapters/sqlserver/database_statements.rb

@@ -232,7 +232,7 @@ def sql_for_insert(sql, pk, id_value, sequence_name, binds)
                   exclude_output_inserted = exclude_output_inserted_table_name?(table_name, sql)
                   if exclude_output_inserted
                     id_sql_type = exclude_output_inserted.is_a?(TrueClass) ? 'bigint' : exclude_output_inserted
-                    <<-SQL.strip_heredoc
+                    <<~SQL.squish
                       DECLARE @ssaIdInsertTable table (#{quoted_pk} #{id_sql_type});
                       #{sql.dup.insert sql.index(/ (DEFAULT )?VALUES/), " OUTPUT INSERTED.#{quoted_pk} INTO @ssaIdInsertTable"}
                       SELECT CAST(#{quoted_pk} AS #{id_sql_type}) FROM @ssaIdInsertTable

lib/active_record/connection_adapters/sqlserver/schema_creation.rb

@@ -34,7 +34,7 @@ def add_column_options!(sql, options)
         def action_sql(action, dependency)
           case dependency
           when :restrict
-            raise ArgumentError, <<-MSG.strip_heredoc
+            raise ArgumentError, <<~MSG.squish
               '#{dependency}' is not supported for :on_update or :on_delete.
               Supported values are: :nullify, :cascade
             MSG

lib/active_record/connection_adapters/sqlserver/schema_statements.rb

@@ -7,7 +7,7 @@ def native_database_types
           @native_database_types ||= initialize_native_database_types.freeze
         end
 
-        def create_table(table_name, comment: nil, **options)
+        def create_table(table_name, **options)
           res = super
           clear_cache!
           res
@@ -536,7 +536,7 @@ def views_real_column_name(table_name, column_name)
         end
 
         def create_table_definition(*args)
-          SQLServer::TableDefinition.new(*args)
+          SQLServer::TableDefinition.new(self, *args)
         end
 
       end

lib/active_record/connection_adapters/sqlserver_adapter.rb

@@ -191,7 +191,7 @@ def reset!
       # === Abstract Adapter (Misc Support) =========================== #
 
       def tables_with_referential_integrity
-        schemas_and_tables = select_rows <<-SQL.strip_heredoc
+        schemas_and_tables = select_rows <<~SQL.squish
           SELECT DISTINCT s.name, o.name
           FROM sys.foreign_keys i
           INNER JOIN sys.objects o ON i.parent_object_id = o.OBJECT_ID