Use a postgres sequence to generate guest user IDs

This commit is contained in:
Richard van der Hoff 2020-07-16 11:46:44 +01:00
parent 3c36ae17a5
commit c445bc0cad
4 changed files with 83 additions and 52 deletions

View file

@ -48,6 +48,7 @@ from synapse.storage.data_stores.main.media_repository import (
)
from synapse.storage.data_stores.main.registration import (
RegistrationBackgroundUpdateStore,
find_max_generated_user_id_localpart,
)
from synapse.storage.data_stores.main.room import RoomBackgroundUpdateStore
from synapse.storage.data_stores.main.roommember import RoomMemberBackgroundUpdateStore
@ -622,8 +623,10 @@ class Porter(object):
)
)
# Step 5. Do final post-processing
# Step 5. Set up sequences
self.progress.set_state("Setting up sequence generators")
await self._setup_state_group_id_seq()
await self._setup_user_id_seq()
self.progress.done()
except Exception as e:
@ -793,6 +796,13 @@ class Porter(object):
return self.postgres_store.db.runInteraction("setup_state_group_id_seq", r)
def _setup_user_id_seq(self):
def r(txn):
next_id = find_max_generated_user_id_localpart(txn) + 1
txn.execute("ALTER SEQUENCE user_id_seq RESTART WITH %s", (next_id,))
return self.postgres_store.db.runInteraction("setup_user_id_seq", r)
##############################################
# The following is simply UI stuff