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From "Nestor Soign (JIRA)" <>
Subject [jira] [Created] (CB-2637) Speed up contacts find by ignoring entries with specified null fields
Date Fri, 08 Mar 2013 07:22:12 GMT
Nestor Soign created CB-2637:

             Summary: Speed up contacts find by ignoring entries with specified null fields
                 Key: CB-2637
             Project: Apache Cordova
          Issue Type: Improvement
         Environment: Android
            Reporter: Nestor Soign

Finding contacts is very slow: roughly 1 second per 100 contacts on recent hardware. According
to the current major speed limitation is the
number of contacts returned by find. 

I have noticed that a large percentage of contacts appear to be either incomplete or lack
email addresses or phone numbers, since Google combines phone and email contacts into a single

Many applications may be interested only in contacts which have phone numbers or which have
email, or which have either. By allowing specification of fields which are required to be
non-null, contacts.find calls could be sped up significantly for those cases. 

For example, I have a contacts list with 2641 contacts in it. Of those, 614 have telephone
numbers but no emails. 1134 have emails but no telephone numbers. 203 have both emails and
telephone numbers, and the remainder appear to be malformed and useless. 

A contacts.find call on my phone (HTC EVO 4G LTE running Android 4.1.1) takes about 13 seconds
to complete, but if it could be limited to only contacts with telephone numbers, it would
probably take about 3-4 seconds. Even if it were limited to contacts with either a telephone
number or an email, it would probably take about 9-10 seconds, still a substantial improvement.

If this is easy to implement it would be very helpful in many applications. 

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