add hashing_metadata field to table

migrations_lockfile.txt

@@ -10,7 +10,7 @@ hybridcloud: 0016_add_control_cacheversion
 nodestore: 0002_nodestore_no_dictfield
 remote_subscriptions: 0003_drop_remote_subscription
 replays: 0004_index_together
-sentry: 0787_make_dashboard_perms_col_nullable
+sentry: 0788_add_hashing_metadata_to_grouphash_metadata
 social_auth: 0002_default_auto_field
 uptime: 0017_unique_on_timeout
 workflow_engine: 0011_action_updates

src/sentry/migrations/0788_add_hashing_metadata_to_grouphash_metadata.py

@@ -0,0 +1,34 @@
+# Generated by Django 5.1.1 on 2024-11-13 18:30
+
+from django.db import migrations
+
+from sentry.new_migrations.migrations import CheckedMigration
+import sentry.db.models.fields.gzippeddict
+
+
+class Migration(CheckedMigration):
+    # This flag is used to mark that a migration shouldn't be automatically run in production.
+    # This should only be used for operations where it's safe to run the migration after your
+    # code has deployed. So this should not be used for most operations that alter the schema
+    # of a table.
+    # Here are some things that make sense to mark as post deployment:
+    # - Large data migrations. Typically we want these to be run manually so that they can be
+    #   monitored and not block the deploy for a long period of time while they run.
+    # - Adding indexes to large tables. Since this can take a long time, we'd generally prefer to
+    #   run this outside deployments so that we don't block them. Note that while adding an index
+    #   is a schema change, it's completely safe to run the operation after the code has deployed.
+    # Once deployed, run these manually via: https://develop.sentry.dev/database-migrations/#migration-deployment
+
+    is_post_deployment = False
+
+    dependencies = [
+        ("sentry", "0787_make_dashboard_perms_col_nullable"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="grouphashmetadata",
+            name="hashing_metadata",
+            field=sentry.db.models.fields.gzippeddict.GzippedDictField(null=True),
+        ),
+    ]

src/sentry/models/grouphashmetadata.py

@@ -5,6 +5,8 @@
 from sentry.db.models import Model, region_silo_model
 from sentry.db.models.base import sane_repr
 from sentry.db.models.fields.foreignkey import FlexibleForeignKey
+from sentry.db.models.fields.gzippeddict import GzippedDictField
+from sentry.types.grouphash_metadata import HashingMetadata
 
 
 # The overall grouping method used
@@ -56,6 +58,12 @@ class GroupHashMetadata(Model):
     latest_grouping_config = models.CharField(null=True)
     # The primary grouping method (message, stacktrace, fingerprint, etc.)
     hash_basis = models.CharField(choices=HashBasis, null=True)
+    # Metadata about the inputs to the hashing process and the hashing process itself (what
+    # fingerprinting rules were matched? did we parameterize the message? etc.). For the specific
+    # data stored, see the class definitions of the `HashingMetadata` subtypes.
+    hashing_metadata: models.Field[HashingMetadata | None, HashingMetadata | None] = (
+        GzippedDictField(null=True)
+    )
 
     # SEER