registerHibernateType in Hibernate

What is registerHibernateType and how to 开发者_开发技巧use it?

---

https://www.hibernate.org/hib_docs/v3/api/org/hibernate/dialect/Dialect.html#registerHibernateType%28int,%20int,%20java.lang.String%29

Registers a Hibernate Type name for the given Types type code and maximum column length.

Parameters:
  code - The Types typecode
  capacity - The maximum length of database type
  name - The Hibernate Type name