javax.persistence
Interface Aggregate

All Superinterfaces:

Expression

public interface Aggregate
extends Expression

Type of the result of an aggregate operation

Since:

Java Persistence API 2.0

Method Summary

Expression

distinct() Specify that duplicates are to be removed before the aggregate operation is invoked.

Methods inherited from interface javax.persistence.Expression

abs, concat, concat, dividedBy, dividedBy, in, in, in, in, in, in, isNull, length, locate, locate, locate, locate, locate, locate, lower, member, minus, minus, minus, mod, mod, plus, plus, sqrt, substring, substring, substring, substring, substring, substring, times, times, trim, trim, trim, trim, trim, trim, upper

Method Detail

distinct

Expression distinct()

Specify that duplicates are to be removed before the aggregate operation is invoked.