ALTER TABLE core_person_signup ADD COLUMN verify_key varchar(256) NOT NULL DEFAULT '';
ALTER TABLE core_person_signup ADD COLUMN created_dt DATETIME NOT NULL;
-ALTER TABLE core_person_signup ADD COLUMN company_name TEXT NOT NULL default '';
-ALTER TABLE core_person_signup ADD COLUMN person_type TEXT NOT NULL default '';
+ALTER TABLE core_person_signup ADD COLUMN company_name TEXT NOT NULL;
+ALTER TABLE core_person_signup ADD COLUMN person_type TEXT NOT NULL;
ALTER TABLE core_person_signup ADD COLUMN person_id int(11) NOT NULL default 0;
-ALTER TABLE core_person_signup ADD COLUMN person_table TEXT NOT NULL default '';
+ALTER TABLE core_person_signup ADD COLUMN person_table TEXT NOT NULL;
ALTER TABLE core_person_signup ADD COLUMN inviter_id int(11) NOT NULL default 0;
ALTER TABLE core_person_signup ADD COLUMN crm_mailing_list_id int(11) NOT NULL default 0;
ALTER TABLE core_person_signup ADD COLUMN phone varchar(256) NOT NULL DEFAULT '';
-
-call mysql_change_engine('core_person_signup');
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+
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