PDO_ATTR_MAX_COLUMN_LEN 1469 pdo/pdo_dbh.c REGISTER_PDO_CLASS_CONST_LONG("ATTR_MAX_COLUMN_LEN",(long)PDO_ATTR_MAX_COLUMN_LEN); PDO_ATTR_MAX_COLUMN_LEN 243 pdo_mysql/mysql_driver.c S->max_length = pdo_attr_lval(driver_options, PDO_ATTR_MAX_COLUMN_LEN, 0 TSRMLS_CC);