upgade v2.0 is_primary email, phone, im, address

the location.mysql script run during the schema upgrade process modifies the civicrm_email table by a set to the depreciated civicrm_location table. This process will set all emails for a specific contact to the first value of civicrm_location.is_primary it finds as shown below

– * Update email data/values

UPDATE civicrm_email ce, civicrm_location cl

SET
ce.contact_id = cl.entity_id,
ce.location_type_id = cl.location_type_id,
ce.is_primary = cl.is_primary

WHERE cl.id = ce.location_id AND cl.entity_table = 'civicrm_contact';
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The same logic is used for IM, address and phone.