mysql split 实现，不用存储过程

select reverse(substring_index(reverse(substring_index('aaaa-bbb-ccc-ddd', '-', 1)), '-', 1));

aaaa

select reverse(substring_index(reverse(substring_index('aaaa-bbb-ccc-ddd', '-', 2)), '-', 1));

bbb

select reverse(substring_index(reverse(substring_index('aaaa-bbb-ccc-ddd', '-', 3)), '-', 1));

ccc

select reverse(substring_index(reverse(substring_index('aaaa-bbb-ccc-ddd', '-', 4)), '-', 1));

ddd

SELECT locationid,

reverse(substring_index(reverse(substring_index(locationid, '-', 1)), '-', 1)),

reverse(substring_index(reverse(substring_index(locationid, '-', 2)), '-', 1)),

reverse(substring_index(reverse(substring_index(locationid, '-', 3)), '-', 1)),

reverse(substring_index(reverse(substring_index(locationid, '-', 4)), '-', 1))

from tb_loc_xy where locationid like '571DCG%';

update tb_loc_xy set 

warehouse_code = reverse(substring_index(reverse(substring_index(locationid, '-', 1)), '-', 1)),

zone = reverse(substring_index(reverse(substring_index(locationid, '-', 2)), '-', 1)),

channel = reverse(substring_index(reverse(substring_index(locationid, '-', 3)), '-', 1)),

loc = reverse(substring_index(reverse(substring_index(locationid, '-', 4)), '-', 1))

where locationid like 'CCC%';