JPA Hibernate Call Postgres Function Void Return MappingException:

Question

I have a problem where I am getting an: org.hibernate.MappingException: No Dialect mapping for JDBC type: 1111 when trying to call a postgres function using JPA cre

Answer 1

Dude! It's as easy as quoting the function name. Like so:

public void runRequestCleanup() {
    String queryString = "SELECT \"a_function_that_hibernate_chokes_on\"()";
    Query query = em.createNativeQuery(queryString);
    Object result = query.getSingleResult();
}