update xxxx_table
set xxdate = STR_TO_DATE(substr(name,LOCATE('全时段', name) +3, 8), '%Y%m%d')
WHERE xxdate is null and name like '%全时段%'
适用于以下格式的标题提取:
xxxxxxx全时段20240505-21-00-00
update xxxx_table
set xxdate = STR_TO_DATE(substr(name,LOCATE('全时段', name) +3, 8), '%Y%m%d')
WHERE xxdate is null and name like '%全时段%'
适用于以下格式的标题提取:
xxxxxxx全时段20240505-21-00-00