Hive 根据身份证提取年龄、生日、性别

select 
identity_card
,if(LENGTH(identity_card)=18, cast(YEAR(current_timestamp())-CAST(SUBSTR(identity_card,7,4) as int) as int), 0) \'年龄\'
,case 
when length(identity_card) = 18 then concat_ws(\'-\',\'2018\',substr(identity_card,11,2),substr(identity_card,13,2))
when length(identity_card) = 15 then concat(\'19\',substr(identity_card,7,2),\'-\', substr(identity_card,9,2),\'-\', substr(identity_card,11,2))
else \'Other\' end \'生日\'
,case 
when length(identity_card) = 18 then if(substr(identity_card,17,1)%2 = 0,\'F\',\'M\')
when length(identity_card) = 15 then if(substr(identity_card,15)%2 = 0,\'F\',\'M\')
else \'Other\' end \'性别\'
from yc_ods.ods_driver
where length(identity_card) = 15