Remove the one-time-use managemant command.

common/djangoapps/student/management/commands/recover_truncated_anonymous_ids.py

-"""
-Generate sql commands to fix truncated anonymous student ids in the ORA database
-"""
-import sys
-
-from django.core.management.base import NoArgsCommand
-
-from student.models import AnonymousUserId, anonymous_id_for_user
-
-
-class Command(NoArgsCommand):
-    help = __doc__
-
-    def handle_noargs(self, **options):
-        """
-        Reads a list of ids (newline separated) from stdin, and
-        dumps sql queries to run on the ORA database to fix those ids
-        from their truncated form to the full 32 character change.
-
-        The following query will generate the list of ids needed to be fixed
-        from the ORA database:
-
-        SELECT student_id FROM peer_grading_calibrationhistory WHERE LENGTH(student_id) = 16
-        UNION SELECT student_id FROM controller_submission WHERE LENGTH(student_id) = 16
-        UNION SELECT student_id FROM metrics_timing WHERE LENGTH(student_id) = 16
-        UNION SELECT student_id FROM metrics_studentcourseprofile WHERE LENGTH(student_id) = 16
-        UNION SELECT student_id FROM metrics_studentprofile WHERE LENGTH(student_id) = 16;
-        """
-
-        ids = [line.strip() for line in sys.stdin]
-
-        old_ids = AnonymousUserId.objects.raw(
-            """
-                SELECT *
-                FROM student_anonymoususerid_temp_archive
-                WHERE anonymous_user_id IN ({})
-            """.format(','.join(['%s']*len(ids))),
-            ids
-        )
-
-        for old_id in old_ids:
-            new_id = anonymous_id_for_user(old_id.user, old_id.course_id)
-
-            for table in ('peer_grading_calibrationhistory', 'controller_submission', 'metrics_timing'):
-                self.stdout.write(
-                    "UPDATE {} "
-                    "SET student_id = '{}' "
-                    "WHERE student_id = '{}';\n".format(
-                        table,
-                        new_id,
-                        old_id.anonymous_user_id,
-                    )
-                )
-
-            self.stdout.write(
-                "DELETE FROM metrics_studentcourseprofile "
-                "WHERE student_id = '{}' "
-                "AND problems_attempted = 0;\n".format(old_id.anonymous_user_id)
-            )
-
-            self.stdout.write(
-                "DELETE FROM metrics_studentprofile "
-                "WHERE student_id = '{}' "
-                "AND messages_sent = 0 "
-                "AND messages_received = 0 "
-                "AND average_message_feedback_length = 0 "
-                "AND student_is_staff_banned = 0 "
-                "AND student_cannot_submit_more_for_peer_grading = 0;\n".format(old_id.anonymous_user_id)
-            )