AbstractQuery<T> groupBy(
List<Expression<?>> grouping
)
Specify the expressions that are used to form groups over the query results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously added grouping expressions are simply removed.
- Parameters:
grouping- list of zero or more grouping expressions
- Return:
- the modified query
- Since:
- JPA 2.0