Robuta

https://docs.djangoproject.com/en/1.11/_modules/django/contrib/postgres/fields/citext/ django.contrib.postgres.fields.citext | Django documentation | Django django contrib postgres fields citext https://doxygen.postgresql.org/citext_8c.html PostgreSQL Source Code: contrib/citext/citext.c File Reference source code postgresql contrib citext file https://www.postgresql.org/docs/9.3/citext.html PostgreSQL: Documentation: 9.3: citext postgresql documentation citext