sql统计json数据-java

要什么就点什么就行了，非常的方便

select 
(select sum(tt.extra->'$.bhgcl_sbptf_ssje') detail tt)+
(select sum(tt.extra->'$.bhgcl_chlj_ssje') detail tt)+
(select sum(tt.extra->'$.bhgcl_ql_jbh_ssje') detail tt) 
as '损失统计:损失金额、情况汇总：损失金额';