remove_index_sql(table_name, options = {}) Instance Protected methods

remove_columns_sql(table_name, *column_names) Instance Protected methods

remove_column_sql(table_name, column_name, type = nil, options = {}) Instance Protected methods

quoted_columns_for_index(column_names, options = {}) Instance Protected methods

change_column_sql(table_name, column_name, type, options = {}) Instance Protected methods

add_timestamps_sql(table_name, options = {}) Instance Protected methods

add_index_sql(table_name, column_name, options = {}) Instance Protected methods

add_index_length(option_strings, column_names, options = {}) Instance Protected methods

add_column_sql(table_name, column_name, type, options = {}) Instance Protected methods

valid_type?(type) Instance Public methods