Files
zulip/zilencer/migrations/0029_update_remoterealm_indexes.py
Alex Vandiver 902498ec4f zilencer: Update remoterealm indexes.
There is no reason to have an index on just `realm_id` or `remote_id`,
as those values mean nothing outside of the scope of a specific
`server_id`.  Remove those never-used single-column indexes from the
two tables that have them.

By contrast, the pair of `server_id` and `remote_id` is quite useful
and specific -- it is a unique pair, and every POST of statistics from
a remote host requires looking up the highest `remote_id` for a given
`server_id`, which (without this index) is otherwise a quite large
scan.

Add a unique constraint, which (in PostgreSQL) is implemented as a
unique index.
2023-09-14 09:30:16 -07:00

46 lines
1.4 KiB
Python

# Generated by Django 4.2.5 on 2023-09-13 05:02
from django.db import migrations, models
class Migration(migrations.Migration):
dependencies = [
("zilencer", "0028_rename_extradatajson_remoteauditlog_extra_data"),
]
operations = [
migrations.AlterField(
model_name="remoterealmauditlog",
name="realm_id",
field=models.IntegerField(),
),
migrations.AlterField(
model_name="remoterealmauditlog",
name="remote_id",
field=models.IntegerField(),
),
migrations.AlterField(
model_name="remoterealmcount",
name="realm_id",
field=models.IntegerField(),
),
migrations.AlterField(
model_name="remoterealmcount",
name="remote_id",
field=models.IntegerField(),
),
migrations.AddConstraint(
model_name="remoterealmauditlog",
constraint=models.UniqueConstraint(
fields=("server", "remote_id"), name="zilencer_remoterealmauditlog_server_remote"
),
),
migrations.AddIndex(
model_name="remoterealmauditlog",
index=models.Index(
fields=["server", "realm_id", "remote_id"],
name="zilencer_remoterealmauditlog_server_realm_remote",
),
),
]