Examples with ImposeOrderFunction com.hazelcast.jet.sql.impl.aggregate.function.ImposeOrderFunction used on opensource projects

Example 1 with ImposeOrderFunction

use of com.hazelcast.jet.sql.impl.aggregate.function.ImposeOrderFunction in project hazelcast by hazelcast.

the class HazelcastSqlValidator method countOrderingFunctions.

private static int countOrderingFunctions(SqlNode node) {
    class OrderingFunctionCounter extends SqlBasicVisitor<Void> {

        int count;

        @Override
        public Void visit(SqlCall call) {
            SqlOperator operator = call.getOperator();
            if (operator instanceof ImposeOrderFunction) {
                count++;
            }
            return super.visit(call);
        }
    }
    OrderingFunctionCounter counter = new OrderingFunctionCounter();
    node.accept(counter);
    return counter.count;
}