Java(Mybatis)和SQL(MySQL)之间的数据类型转换:
Java(Mybatis) SQL
int tinyint
Long int
Long COUNT(field(int))
BigDecimal SUM(field(int))
Double float
Double double
Double SUM(field(float))
Double SUM(field(double))
转载于:https://my.oschina.net/u/2607324/blog/823586