duplicate key value violates unique constraint "user_public_id_key"

[coord-e]

Step 1: 環境

(AWS Lambda)

Step 2: 問題

再現のための手順:

1. DB_GEN_POLICY=always
2. DB_FORCE_INIT=false
3. init_and_generate()
4. init_and_generate()(二回目)

どうなってしまうか:

(psycopg2.IntegrityError) duplicate key value violates unique constraint "user_public_id_key"
DETAIL: Key (public_id)=(30704) already exists.
[SQL: 'INSERT INTO "user" (public_id, secret_id, authority, kind, first_access) VALUES (%(public_id)s, %(secret_id)s, %(authority)s, %(kind)s, %(first_access)s) RETURNING "user".id'] [parameters: {'public_id': 30704, 'secret_id': 'reC8raakZObwu4Cg0IRg3Oj-r_ThyMcs', 'authority': 'normal', 'kind': 'visitor', 'first_access': None}] (Background on this error at: http://sqlalche.me/e/gkpj): IntegrityError
Traceback (most recent call last):
File "/var/task/app.py", line 22, in gen
init_and_generate()
File "/var/task/backend/api/app.py", line 113, in init_and_generate
generate()
File "/var/task/backend/api/app.py", line 174, in generate
db.session.commit()
File "/var/task/sqlalchemy/orm/scoping.py", line 153, in do
return getattr(self.registry(), name)(*args, **kwargs)
File "/var/task/sqlalchemy/orm/session.py", line 943, in commit
self.transaction.commit()
File "/var/task/sqlalchemy/orm/session.py", line 467, in commit
self._prepare_impl()
File "/var/task/sqlalchemy/orm/session.py", line 447, in _prepare_impl
self.session.flush()
File "/var/task/sqlalchemy/orm/session.py", line 2254, in flush
self._flush(objects)
File "/var/task/sqlalchemy/orm/session.py", line 2380, in _flush
transaction.rollback(_capture_exception=True)
File "/var/task/sqlalchemy/util/langhelpers.py", line 66, in __exit__
compat.reraise(exc_type, exc_value, exc_tb)
File "/var/task/sqlalchemy/util/compat.py", line 249, in reraise
raise value
File "/var/task/sqlalchemy/orm/session.py", line 2344, in _flush
flush_context.execute()
File "/var/task/sqlalchemy/orm/unitofwork.py", line 391, in execute
rec.execute(self)
File "/var/task/sqlalchemy/orm/unitofwork.py", line 556, in execute
uow
File "/var/task/sqlalchemy/orm/persistence.py", line 181, in save_obj
mapper, table, insert)
File "/var/task/sqlalchemy/orm/persistence.py", line 866, in _emit_insert_statements
execute(statement, params)
File "/var/task/sqlalchemy/engine/base.py", line 948, in execute
return meth(self, multiparams, params)
File "/var/task/sqlalchemy/sql/elements.py", line 269, in _execute_on_connection
return connection._execute_clauseelement(self, multiparams, params)
File "/var/task/sqlalchemy/engine/base.py", line 1060, in _execute_clauseelement
compiled_sql, distilled_params
File "/var/task/sqlalchemy/engine/base.py", line 1200, in _execute_context
context)
File "/var/task/sqlalchemy/engine/base.py", line 1413, in _handle_dbapi_exception
exc_info
File "/var/task/sqlalchemy/util/compat.py", line 265, in raise_from_cause
reraise(type(exception), exception, tb=exc_tb, cause=cause)
File "/var/task/sqlalchemy/util/compat.py", line 248, in reraise
raise value.with_traceback(tb)
File "/var/task/sqlalchemy/engine/base.py", line 1193, in _execute_context
context)
File "/var/task/sqlalchemy/engine/default.py", line 509, in do_execute
cursor.execute(statement, parameters)
sqlalchemy.exc.IntegrityError: (psycopg2.IntegrityError) duplicate key value violates unique constraint "user_public_id_key"
DETAIL: Key (public_id)=(30704) already exists.
[SQL: 'INSERT INTO "user" (public_id, secret_id, authority, kind, first_access) VALUES (%(public_id)s, %(secret_id)s, %(authority)s, %(kind)s, %(first_access)s) RETURNING "user".id'] [parameters: {'public_id': 30704, 'secret_id': 'reC8raakZObwu4Cg0IRg3Oj-r_ThyMcs', 'authority': 'normal', 'kind': 'visitor', 'first_access': None}] (Background on this error at: http://sqlalche.me/e/gkpj)

どうなるべきだったのか:

• 黙って再生成✨

[coord-e]

これ多分public_id重複問題の産物です(未検証)