22 lines
728 B
Python
22 lines
728 B
Python
# Generated by Django 2.0.2 on 2018-02-27 18:43
|
|
from django.db import migrations
|
|
from django.contrib.postgres.operations import UnaccentExtension
|
|
|
|
|
|
class CustomUnaccentExtension(UnaccentExtension):
|
|
def database_forwards(self, app_label, schema_editor, from_state, to_state):
|
|
check_sql = "SELECT 1 FROM pg_extension WHERE extname = 'unaccent'"
|
|
with schema_editor.connection.cursor() as cursor:
|
|
cursor.execute(check_sql)
|
|
result = cursor.fetchall()
|
|
|
|
if result:
|
|
return
|
|
return super().database_forwards(app_label, schema_editor, from_state, to_state)
|
|
|
|
|
|
class Migration(migrations.Migration):
|
|
|
|
dependencies = []
|
|
|
|
operations = [CustomUnaccentExtension()]
|