Revert "feat(eap): Use RPC to fetch tag values (#77510)"

This reverts commit a8e4e05.

Co-authored-by: Zylphrex <10239353+Zylphrex@users.noreply.github.com>

src/sentry/api/endpoints/organization_spans_fields.py

@@ -7,8 +7,6 @@
 from rest_framework.request import Request
 from rest_framework.response import Response
 from sentry_protos.snuba.v1alpha.endpoint_tags_list_pb2 import (
-    AttributeValuesRequest,
-    AttributeValuesResponse,
     TraceItemAttributesRequest,
     TraceItemAttributesResponse,
 )
@@ -22,7 +20,6 @@
 from sentry.api.api_publish_status import ApiPublishStatus
 from sentry.api.base import region_silo_endpoint
 from sentry.api.bases import NoProjects, OrganizationEventsV2EndpointBase
-from sentry.api.event_search import translate_escape_sequences
 from sentry.api.paginator import ChainPaginator
 from sentry.api.serializers import serialize
 from sentry.api.utils import handle_query_errors
@@ -198,68 +195,6 @@ def get(self, request: Request, organization, key: str) -> Response:
 
         max_span_tag_values = options.get("performance.spans-tags-values.max")
 
-        serializer = OrganizationSpansFieldsEndpointSerializer(data=request.GET)
-        if not serializer.is_valid():
-            return Response(serializer.errors, status=400)
-        serialized = serializer.validated_data
-
-        if serialized["dataset"] == "spans" and features.has(
-            "organizations:visibility-explore-dataset", organization, actor=request.user
-        ):
-            start_timestamp = Timestamp()
-            start_timestamp.FromDatetime(
-                snuba_params.start_date.replace(hour=0, minute=0, second=0, microsecond=0)
-            )
-
-            end_timestamp = Timestamp()
-            end_timestamp.FromDatetime(
-                snuba_params.end_date.replace(hour=0, minute=0, second=0, microsecond=0)
-                + timedelta(days=1)
-            )
-
-            query = translate_escape_sequences(request.GET.get("query", ""))
-            rpc_request = AttributeValuesRequest(
-                meta=RequestMeta(
-                    organization_id=organization.id,
-                    cogs_category="performance",
-                    referrer=Referrer.API_SPANS_TAG_VALUES_RPC.value,
-                    project_ids=snuba_params.project_ids,
-                    start_timestamp=start_timestamp,
-                    end_timestamp=end_timestamp,
-                    trace_item_name=TraceItemName.TRACE_ITEM_NAME_EAP_SPANS,
-                ),
-                name=key,
-                value_substring_match=query,
-                limit=max_span_tag_values,
-                offset=0,
-            )
-            rpc_response = snuba.rpc(rpc_request, AttributeValuesResponse)
-
-            paginator = ChainPaginator(
-                [
-                    [
-                        TagValue(
-                            key=key,
-                            value=tag_value,
-                            times_seen=None,
-                            first_seen=None,
-                            last_seen=None,
-                        )
-                        for tag_value in rpc_response.values
-                        if tag_value
-                    ]
-                ],
-                max_limit=max_span_tag_values,
-            )
-
-            return self.paginate(
-                request=request,
-                paginator=paginator,
-                on_results=lambda results: serialize(results, request.user),
-                default_per_page=max_span_tag_values,
-                max_per_page=max_span_tag_values,
-            )
-
         executor = SpanFieldValuesAutocompletionExecutor(
             snuba_params=snuba_params,
             key=key,
@@ -404,7 +339,7 @@ def get_autocomplete_query_base(self) -> BaseQueryBuilder:
 
     def get_autocomplete_results(self, query: BaseQueryBuilder) -> list[TagValue]:
         with handle_query_errors():
-            results = query.process_results(query.run_query(Referrer.API_SPANS_TAG_VALUES.value))
+            results = query.process_results(query.run_query(Referrer.API_SPANS_TAG_KEYS.value))
 
         return [
             TagValue(

src/sentry/snuba/referrer.py

@@ -474,8 +474,6 @@ class Referrer(Enum):
     API_TRACE_EXPLORER_TRACE_SPANS_LIST = "api.trace-explorer.trace-spans-list"
     API_SPANS_TAG_KEYS = "api.spans.tags-keys"
     API_SPANS_TAG_KEYS_RPC = "api.spans.tags-keys.rpc"
-    API_SPANS_TAG_VALUES = "api.spans.tags-values"
-    API_SPANS_TAG_VALUES_RPC = "api.spans.tags-values.rpc"
     API_SPANS_TRACE_VIEW = "api.spans.trace-view"
 
     # Performance Mobile UI Module