Examples with SizeExpression org.eclipse.persistence.jpa.jpql.parser.SizeExpression used on opensource projects

Example 1 with SizeExpression

use of org.eclipse.persistence.jpa.jpql.parser.SizeExpression in project eclipselink by eclipse-ee4j.

the class ReportItemBuilder method visit.

@Override
public void visit(SizeExpression expression) {
    // Add the attribute
    Expression queryExpression = queryContext.buildExpression(expression.getExpression());
    addAttribute("size", queryExpression.count(), Integer.class);
    // Now add the GROUP BY expression
    CollectionValuedPathExpression pathExpression = (CollectionValuedPathExpression) expression.getExpression();
    queryExpression = queryContext.buildGroupByExpression(pathExpression);
    query.addGrouping(queryExpression);
}