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Author Topic: Merge Contacts via API  (Read 2812 times)

Hershel

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Merge Contacts via API
January 01, 2009, 06:09:25 am
For a Drupal 6 CiviCRM 2.1.4 install, I have a CSV of existing contacts which I need to merge--the CSV has two columns and I must simply merge each ColA contact into the ColB contact, thus removing the ColA contact.

I am not aware of any way to do this via the API. The two options I can see are:

1. Try to figure out if there is a function in the native CiviCRM code which I can call to merge two contacts.

2. Do the merge manually, inspecting each relevant table in the DB.

I think that #2 is my best best.

Any suggestions for a better way are appreciated, however. :)

Thanks.
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Donald Lobo

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Re: Merge Contacts via API
January 01, 2009, 06:23:38 am


No api function but, you can write one using this code as the base:

CRM/Contact/Form/Merge.php, function postProcess

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johanv

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Re: Merge Contacts via API
February 18, 2016, 03:05:15 am
Just replying to this old post, because it was the first thing I found using Google.

It seems that there is a contact.Merge. Documentation can be found in the source code ;-)

https://github.com/civicrm/civicrm-core/blob/master/api/v3/Contact.php#L1009

kifwebe

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Re: Merge Contacts via API
March 04, 2016, 08:35:55 am
We have just put into production a php script using the api to automatically merge contacts according to some simple rules.  We have over 90000 contacts and need to reduce the database size.  We force delete left over contacts marked delete after the merge.  This automatic merge takes care of simple contact matches, for example those with the same primary email address and no names.  In tests against the database it properly combined all the relevant contacts and their associated donations, memberships, events, etc.  In a trial run it reduced the number of contacts by nearly half.

It wasn't possible for us to do this manually, so we wrote a standalone cron job using the very valuable api 3.
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