group_start()

get_compiled_select([$table = ''[, $reset = TRUE]])

row_array([$n = 0])

escape_identifiers($item)

add_column($table[, $field = array()[, $_after = NULL]])

like($field[, $match = ''[, $side = 'both'[, $escape = NULL]]])

not_group_start()

having($key[, $value = NULL[, $escape = NULL]])

join($table, $cond[, $type = ''[, $escape = NULL]])

next_row([$type = 'object'])