Use 'mysqld --thread_stack=#' to specify a bigger stack.

执行sql语句，报错了：

ERROR 1436 (HY000): Thread stack overrun: 6656 bytes used of a 131072 byte stack, and 128000 bytes needed. Use 'mysqld --thread_stack=#' to specify a bigger stack.

错误原因是 thread_stack太小，默认的128K，建议调整到500K