call_function($function)

empty_table([$table = ''])

insert_string($table, $data)

display_error([$error = ''[, $swap = ''[, $native = FALSE]]])

stop_cache()

set_row($key[, $value = NULL])

select([$select = '*'[, $escape = NULL]])

where_in([$key = NULL[, $values = NULL[, $escape = NULL]]])

select_sum([$select = ''[, $alias = '']])

update_batch($table[, $set = NULL[, $value = NULL[, $batch_size = 100]]])