// If the concrete argument is a bind variables, it can have any type.
// We'll validate the actually provided value at execution time.
if (provided == null)
continue;
ColumnSpecification expected = makeArgSpec(receiver, fun, i);
if (!provided.isAssignableTo(keyspace, expected))
throw new InvalidRequestException(String.format("Type error: %s cannot be passed as argument %d of function %s of type %s", provided, i, fun.name(), expected.type.asCQL3Type()));
}
}