Q:

Query Not Working Firebase Swift

I have a Firebase that its structured as follows:

"zipcodes"

12345

1

"city": "test"
"state": "XX"

98765

2

"city": "test2"
"state": "AA"

3

"city": "test3"
"state": "BB"

I am trying to query my database by the user's zip code; however, when I try to view the snapshot that it found, it is null.  Here is the code I currently have:
func firebaseSearch(zipCode: String) {

    let conditionRef = FIRDatabase.database().reference().child("zipcodes")

    let query = conditionRef.queryEqualToValue(zipCode)

    query.observeSingleEventOfType(.Value, withBlock: {snapshot in

        print(snapshot.value)

        for child in snapshot.children {
            print(child)
        }

    })

}

When I run the code, I get this:
 (/zipcodes {
 ep = 12345;
 sp = 12345;
 })
 Optional(<null>)

My database has around 77k entries, so I was worried iterating through all entries and trying to find the child with my zipCode value would take a large amount of time, so I am trying to use the query feature to see if it's any quicker.  I appreciate any help, thank you very much! 

A:

You don't need query for this, use .child(zipCode) instead of .queryEqualToValue(zipCode).  That will return the expected result. 
Hope this helps!!