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[fix] remove duplicate newsletter subscribers

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This commit is contained in:
Anand Doshi
2015-09-17 17:46:37 +05:30
parent cba5a684cb
commit e9b14e497b
3 changed files with 15 additions and 1 deletions
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1
erpnext/patches/v6_2/__init__.py Normal file
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from __future__ import unicode_literals

12
erpnext/patches/v6_2/remove_newsletter_duplicates.py Normal file
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import frappe
def execute():
duplicates = frappe.db.sql("""select newsletter_list, email, count(name)
from `tabNewsletter List Subscriber`
group by newsletter_list, email
having count(name) > 1""")
# delete all duplicates except 1
for newsletter_list, email, count in duplicates:
frappe.db.sql("""delete from `tabNewsletter List Subscriber`
where newsletter_list=%s and email=%s limit %s""", (newsletter_list, email, count-1))