Here it happens. We hope every Django db operation using PostgreSQL
        must go through this to get the cursor handle. We change the path.

def _cursor(self, name=None):
        """
        Here it happens. We hope every Django db operation using PostgreSQL
        must go through this to get the cursor handle. We change the path.
        """
        if name:
            # Only supported and required by Django 1.11 (server-side cursor)
            cursor = super(DatabaseWrapper, self)._cursor(name=name)
        else:
            cursor = super(DatabaseWrapper, self)._cursor()

        # optionally limit the number of executions - under load, the execution
        # of `set search_path` can be quite time consuming
        if (not get_limit_set_calls()) or not self.search_path_set:
            # Actual search_path modification for the cursor. Database will
            # search schemata from left to right when looking for the object
            # (table, index, sequence, etc.).
            if not self.schema_name:
                raise ImproperlyConfigured("Database schema not set. Did you forget "
                                           "to call set_schema() or set_tenant()?")
            _check_schema_name(self.schema_name)
            public_schema_name = get_public_schema_name()
            search_paths = []

            if self.schema_name == public_schema_name:
                search_paths = [public_schema_name]
            elif self.include_public_schema:
                search_paths = [self.schema_name, public_schema_name]
            else:
                search_paths = [self.schema_name]

            search_paths.extend(EXTRA_SEARCH_PATHS)

            if name:
                # Named cursor can only be used once
                cursor_for_search_path = self.connection.cursor()
            else:
                # Reuse
                cursor_for_search_path = cursor

            # In the event that an error already happened in this transaction and we are going
            # to rollback we should just ignore database error when setting the search_path
            # if the next instruction is not a rollback it will just fail also, so
            # we do not have to worry that it's not the good one
            try:
                cursor_for_search_path.execute('SET search_path = {0}'.format(','.join(search_paths)))
            except (django.db.utils.DatabaseError, psycopg2.InternalError):
                self.search_path_set = False
            else:
                self.search_path_set = True

            if name:
                cursor_for_search_path.close()

        return cursor