select CODE, NAME, (case when numc >= 2 then substring_index(substring_index(DVAR, ',', 2), ',', -1) end) as DATA2,
(case when numc >= 3 then substring_index(substring_index</
下面是我的问题 SELECT WHEN SUBSTRING_INDEX(SUBSTRING_INDEX(B.failure_detail, '"remark":"','Description not match'
WHEN SUBSTRING_INDEX(SUBSTRING_INDEX(B.failure_detail, '"remark":"