SET SESSION aria_repair_threads=128;
SET SESSION aria_sort_buffer_size=CAST(-1 AS UNSIGNED INT);
Warnings:
Note	1105	Cast to unsigned converted negative integer to it's positive complement
Note	1105	Cast to unsigned converted negative integer to it's positive complement
Warning	1292	Truncated incorrect aria_sort_buffer_size value: '18446744073709551615'
SET SESSION tmp_table_size=65535;
CREATE TABLE t1 (a VARCHAR(255));
insert into t1 (a) select seq from seq_1_to_1000;
UPDATE t1 SET a=( (SELECT MAX(a) FROM t1));
DROP TABLE t1;