feat(spans-migration): self hosted spans migration for discover saved queries

.github/CODEOWNERS

@@ -366,6 +366,10 @@ tests/sentry/api/endpoints/test_organization_attribute_mappings.py          @get
 /static/app/utils/timeSeries/                                             @getsentry/data-browsing
 ## Endof Visibility
 
+## Data Browsing Migration Tests
+/tests/sentry/migrations/test_1064_discover_to_explore_queries_self_hosted.py @getsentry/data-browsing
+## End of Data Browsing Migration Tests
+
 
 ## Profiling
 /static/app/components/profiling/                                     @getsentry/profiling

migrations_lockfile.txt

@@ -31,7 +31,7 @@ replays: 0007_organizationmember_replay_access
 
 seer: 0005_delete_seerorganizationsettings
 
-sentry: 1063_remove_customdynamicsamplingrule
+sentry: 1064_discover_to_explore_queries_self_hosted
 
 social_auth: 0003_social_auth_json_field
 

src/sentry/migrations/1064_discover_to_explore_queries_self_hosted.py

@@ -0,0 +1,99 @@
+# Generated by Django 5.2.8 on 2025-12-01 16:35
+
+
+import sentry_sdk
+from django.db import migrations
+from django.db.backends.base.schema import BaseDatabaseSchemaEditor
+from django.db.migrations.state import StateApps
+
+from sentry.discover.models import DiscoverSavedQuery, DiscoverSavedQueryProject
+from sentry.explore.models import ExploreSavedQueryProject
+from sentry.explore.translation.discover_translation import (
+    translate_discover_query_to_explore_query,
+)
+from sentry.models.dashboard_widget import TypesClass
+from sentry.new_migrations.migrations import CheckedMigration
+from sentry.utils.query import RangeQuerySetWrapperWithProgressBar
+
+
+class DiscoverSavedQueryTypes(TypesClass):
+    DISCOVER = 0
+    ERROR_EVENTS = 1
+    """
+     Error side of the split from Discover.
+    """
+    TRANSACTION_LIKE = 2
+    """
+    This targets transaction-like data from the split from discover.
+    """
+
+    TYPES = [
+        (DISCOVER, "discover"),
+        (ERROR_EVENTS, "error-events"),
+        (TRANSACTION_LIKE, "transaction-like"),
+    ]
+    TYPE_NAMES = [t[1] for t in TYPES]
+
+
+def migrate_transactions_discover_queries_self_hosted(
+    apps: StateApps, schema_editor: BaseDatabaseSchemaEditor
+) -> None:
+    queryset = DiscoverSavedQuery.objects.filter(
+        dataset=DiscoverSavedQueryTypes.TRANSACTION_LIKE
+    ).select_related("organization")
+
+    for discover_query in RangeQuerySetWrapperWithProgressBar(queryset):
+        try:
+            new_explore_query = translate_discover_query_to_explore_query(discover_query)
+            if not new_explore_query.projects.exists():
+                discover_projects_qs = DiscoverSavedQueryProject.objects.filter(
+                    discover_saved_query_id=discover_query.id
+                )
+                projects_to_create = [
+                    ExploreSavedQueryProject(
+                        explore_saved_query_id=new_explore_query.id,
+                        project_id=discover_project.project_id,
+                    )
+                    for discover_project in discover_projects_qs
+                ]
+                ExploreSavedQueryProject.objects.bulk_create(projects_to_create)
+            new_explore_query.save()
+        except Exception as e:
+            sentry_sdk.capture_exception(e)
+
+
+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 = True
+
+    dependencies = [
+        ("sentry", "1063_remove_customdynamicsamplingrule"),
+        ("discover", "0003_discover_json_field"),
+        ("explore", "0006_add_changed_reason_field_explore"),
+    ]
+
+    operations = [
+        migrations.RunPython(
+            migrate_transactions_discover_queries_self_hosted,
+            reverse_code=migrations.RunPython.noop,
+            hints={
+                "tables": [
+                    "sentry_discoversavedquery",
+                    "sentry_discoversavedqueryproject",
+                    "explore_exploresavedqueryproject",
+                    "explpre_exploresavedquery",
+                ]
+            },
+        )
+    ]

tests/sentry/migrations/test_1064_discover_to_explore_queries_self_hosted.py

@@ -0,0 +1,99 @@
+from sentry.discover.models import (
+    DiscoverSavedQuery,
+    DiscoverSavedQueryProject,
+    DiscoverSavedQueryTypes,
+)
+from sentry.explore.models import ExploreSavedQueryDataset
+from sentry.testutils.cases import SnubaTestCase, TestMigrations
+
+
+class MigrateDiscoverQueriesToExploreQueriesSelfHostedTest(TestMigrations, SnubaTestCase):
+    migrate_from = "1063_remove_customdynamicsamplingrule"
+    migrate_to = "1064_discover_to_explore_queries_self_hosted"
+
+    def setup_before_migration(self, apps):
+        User = apps.get_model("sentry", "User")
+
+        self.user = User.objects.create(email="test@sentry.io")
+        self.org = self.create_organization(name="Test org", slug="test-org")
+        self.project = self.create_project(organization=self.org)
+        self.project_ids = [self.project.id]
+
+        self.query = {"fields": ["title", "count()"], "query": ""}
+        self.discover_query_with_fields_to_translate = DiscoverSavedQuery.objects.create(
+            organization=self.org,
+            name="Test query",
+            query=self.query,
+            dataset=DiscoverSavedQueryTypes.TRANSACTION_LIKE,
+        )
+        for project_id in self.project_ids:
+            DiscoverSavedQueryProject.objects.create(
+                discover_saved_query=self.discover_query_with_fields_to_translate,
+                project_id=project_id,
+            )
+
+        self.discover_query_without_projects = DiscoverSavedQuery.objects.create(
+            organization=self.org,
+            name="Test query",
+            query=self.query,
+            dataset=DiscoverSavedQueryTypes.TRANSACTION_LIKE,
+        )
+
+        self.dropped_fields_query = {
+            "fields": ["id", "title", "count_web_vitals(measurements.lcp,good)"]
+        }
+        self.discover_query_dropped_fields = DiscoverSavedQuery.objects.create(
+            organization=self.org,
+            name="Test query",
+            query=self.dropped_fields_query,
+            dataset=DiscoverSavedQueryTypes.TRANSACTION_LIKE,
+        )
+
+        self.discover_query_errors = DiscoverSavedQuery.objects.create(
+            organization=self.org,
+            name="Test query",
+            query={},
+            dataset=DiscoverSavedQueryTypes.ERROR_EVENTS,
+        )
+
+    def test(self):
+        self.discover_query_with_fields_to_translate.refresh_from_db()
+        self.discover_query_without_projects.refresh_from_db()
+        self.discover_query_dropped_fields.refresh_from_db()
+        self.discover_query_errors.refresh_from_db()
+
+        # All TRANSACTION_LIKE queries should get explore queries, even without projects
+        # (no projects means "all projects")
+        assert self.discover_query_with_fields_to_translate.explore_query is not None
+        assert self.discover_query_without_projects.explore_query is not None
+        assert self.discover_query_dropped_fields.explore_query is not None
+        # ERRORS queries should NOT get explore queries
+        assert self.discover_query_errors.explore_query is None
+
+        explore_query_with_translated_fields = (
+            self.discover_query_with_fields_to_translate.explore_query
+        )
+        explore_query_dropped_fields = self.discover_query_dropped_fields.explore_query
+        explore_query_no_projects = self.discover_query_without_projects.explore_query
+
+        assert (
+            explore_query_with_translated_fields.dataset == ExploreSavedQueryDataset.SEGMENT_SPANS
+        )
+        assert explore_query_dropped_fields.dataset == ExploreSavedQueryDataset.SEGMENT_SPANS
+        assert explore_query_no_projects.dataset == ExploreSavedQueryDataset.SEGMENT_SPANS
+
+        assert explore_query_with_translated_fields.query["query"][0]["fields"] == [
+            "id",
+            "transaction",
+        ]
+        assert explore_query_with_translated_fields.query["query"][0]["aggregateField"] == [
+            {"yAxes": ["count(span.duration)"], "chartType": 2}
+        ]
+        assert explore_query_with_translated_fields.query["query"][0]["query"] == "is_transaction:1"
+        assert explore_query_with_translated_fields.projects.count() == len(self.project_ids)
+
+        assert explore_query_dropped_fields.query["query"][0]["fields"] == ["id", "transaction"]
+        assert explore_query_dropped_fields.query["query"][0]["aggregateField"] == []
+        assert explore_query_dropped_fields.query["query"][0]["query"] == "is_transaction:1"
+
+        assert explore_query_no_projects.projects.count() == 0