from django.contrib.postgres.operations import RemoveIndexConcurrently from django.db import migrations class Migration(migrations.Migration): atomic = False dependencies = [ ("zerver", "0693_add_conditional_indexes_for_topic"), ] operations = [ RemoveIndexConcurrently( model_name="message", name="zerver_message_realm_upper_subject_all", ), RemoveIndexConcurrently( model_name="message", name="zerver_message_realm_recipient_upper_subject_all", ), RemoveIndexConcurrently( model_name="message", name="zerver_message_realm_recipient_subject_all", ), ]