Querying multiple values through parse - ios

Question

so my application loads in a user's contacts and stores their phone numbers but I want to query these phone numbers against ones stored in Parse to determine whether any of their contacts are using the application.
So, I know how to work through every phone number as a single query by using something like the code below inside a for loop,
NSString *phoneNumber = CFBridgingRelease(ABMultiValueCopyValueAtIndex(phoneNumbers, i));
//parse query for any matches to the phone number
PFQuery *query = [PFQuery queryWithClassName:#"_User"];
[query whereKey:#"phoneNumber" equalTo:phonenumberfieldfriend.text];
[query findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error) {
if (!error) {
// The find succeeded.
NSLog(#"Successfully retrieved %d users.", objects.count);
// Do something with the found objects
if (objects.count == 0) {
//uialert letting the user know that no phone number matches the query
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:#"No User"
message:#"No user matches this phone number"
delegate:self
cancelButtonTitle:#"OK"
otherButtonTitles:nil];
[alert show];
phonenumberfieldfriend.text = #"";
}
//if there is only one number matching the query
if (objects.count ==1) {
for (PFObject *object in objects) {
NSLog(#"%#", objects);
usernamefriend =[ object objectForKey:#"username"];
numberfriend = [object objectForKey:#"phoneNumber"];
firstnamefriend = [object objectForKey:#"firstName"];
lastnamefriend = [object objectForKey:#"lastName"];
emailfriend = [object objectForKey:#"email"];
add.hidden=true;
phonenumberfieldfriend.hidden=true;
confirmuser.hidden=false;
NSLog(#"one user entered %#",usernamefriend);
}
}
//if there is more than one phonenumber matching the query as
//the user to input the friends username
//instead
if (objects.count>1) {
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:#"More than one user!"
message:#"More than one user with this number please enter a username instead!"
delegate:self
cancelButtonTitle:#"OK"
otherButtonTitles:nil];
[alert show];
phonenumberfriend.text=#"Please enter a username";
add.hidden=true;
adduser.hidden=false;
}
} else {
// Log details of the failure
NSLog(#"Error: %# %#", error, [error userInfo]);
}
}];}
but I would like to know whether it is possible to search all the contacts phone numbers with a single query?

Answer 1

You could do this numerous ways, provided I understand what your vision is:
One way is simply preform the query and simply do :
query getFirstObjectInBackground:
https://parse.com/docs/ios/api/Classes/PFQuery.html#//api/name/getFirstObjectInBackground
this narrows it down to only one phone number that matches your query parameters.
or getObjectInBackground:
So in other words just delete findObjects and replace with getFirstObjectInBackground and the first result that matches will be returned