@Override
    public ComparableExpression<T> as(Path<T> alias) {
        return Expressions.comparableOperation(getType(), Ops.ALIAS, mixin, alias);
    }
{@code ComparableExpression} extends {@link ComparableExpressionBase} to provide comparison methods.

@author tiwe

@param <T> expression type
querydsl-core/src/main/java/com/querydsl/core/types/dsl/ComparableExpression.java