snapshot of https://github.com/zulip/zulip.git @ 48c69911c7dd4e03b20552eb3bd77ad8151c1357 (2026-09-15)

analytics/migrations/0017_regenerate_partial_indexes.py

@@ -0,0 +1,114 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("analytics", "0016_unique_constraint_when_subgroup_null"),
+    ]
+
+    # If the server was installed between 7.0 and 7.4 (or main between
+    # 2c20028aa451 and 7807bff52635), it contains indexes which (when
+    # running 7.5 or 7807bff52635 or higher) are never used, because
+    # they contain an improper cast
+    # (https://code.djangoproject.com/ticket/34840).
+    #
+    # We regenerate the indexes here, by dropping and re-creating
+    # them, so that we know that they are properly formed.
+    operations = [
+        migrations.RemoveConstraint(
+            model_name="installationcount",
+            name="unique_installation_count",
+        ),
+        migrations.AddConstraint(
+            model_name="installationcount",
+            constraint=models.UniqueConstraint(
+                condition=models.Q(subgroup__isnull=False),
+                fields=("property", "subgroup", "end_time"),
+                name="unique_installation_count",
+            ),
+        ),
+        migrations.RemoveConstraint(
+            model_name="installationcount",
+            name="unique_installation_count_null_subgroup",
+        ),
+        migrations.AddConstraint(
+            model_name="installationcount",
+            constraint=models.UniqueConstraint(
+                condition=models.Q(subgroup__isnull=True),
+                fields=("property", "end_time"),
+                name="unique_installation_count_null_subgroup",
+            ),
+        ),
+        migrations.RemoveConstraint(
+            model_name="realmcount",
+            name="unique_realm_count",
+        ),
+        migrations.AddConstraint(
+            model_name="realmcount",
+            constraint=models.UniqueConstraint(
+                condition=models.Q(subgroup__isnull=False),
+                fields=("realm", "property", "subgroup", "end_time"),
+                name="unique_realm_count",
+            ),
+        ),
+        migrations.RemoveConstraint(
+            model_name="realmcount",
+            name="unique_realm_count_null_subgroup",
+        ),
+        migrations.AddConstraint(
+            model_name="realmcount",
+            constraint=models.UniqueConstraint(
+                condition=models.Q(subgroup__isnull=True),
+                fields=("realm", "property", "end_time"),
+                name="unique_realm_count_null_subgroup",
+            ),
+        ),
+        migrations.RemoveConstraint(
+            model_name="streamcount",
+            name="unique_stream_count",
+        ),
+        migrations.AddConstraint(
+            model_name="streamcount",
+            constraint=models.UniqueConstraint(
+                condition=models.Q(subgroup__isnull=False),
+                fields=("stream", "property", "subgroup", "end_time"),
+                name="unique_stream_count",
+            ),
+        ),
+        migrations.RemoveConstraint(
+            model_name="streamcount",
+            name="unique_stream_count_null_subgroup",
+        ),
+        migrations.AddConstraint(
+            model_name="streamcount",
+            constraint=models.UniqueConstraint(
+                condition=models.Q(subgroup__isnull=True),
+                fields=("stream", "property", "end_time"),
+                name="unique_stream_count_null_subgroup",
+            ),
+        ),
+        migrations.RemoveConstraint(
+            model_name="usercount",
+            name="unique_user_count",
+        ),
+        migrations.AddConstraint(
+            model_name="usercount",
+            constraint=models.UniqueConstraint(
+                condition=models.Q(subgroup__isnull=False),
+                fields=("user", "property", "subgroup", "end_time"),
+                name="unique_user_count",
+            ),
+        ),
+        migrations.RemoveConstraint(
+            model_name="usercount",
+            name="unique_user_count_null_subgroup",
+        ),
+        migrations.AddConstraint(
+            model_name="usercount",
+            constraint=models.UniqueConstraint(
+                condition=models.Q(subgroup__isnull=True),
+                fields=("user", "property", "end_time"),
+                name="unique_user_count_null_subgroup",
+            ),
+        ),
+    ]