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DO NOT MERGE: Attempting to generate a Timeseries object in metrics subscriptions #73706

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37 changes: 34 additions & 3 deletions src/sentry/search/events/builder/metrics.py
Original file line number Diff line number Diff line change
Expand Up @@ -19,12 +19,14 @@
Function,
Granularity,
Limit,
Metric,
Offset,
Op,
Or,
OrderBy,
Query,
Request,
Timeseries,
)

from sentry import features
Expand Down Expand Up @@ -67,6 +69,7 @@
should_use_on_demand_metrics_for_querying,
)
from sentry.snuba.metrics.fields import histogram as metrics_histogram
from sentry.snuba.metrics.mqb_query_transformer import transform_mqb_query_to_metrics_query
from sentry.snuba.metrics.naming_layer.mri import extract_use_case_id, is_mri
from sentry.snuba.metrics.query import (
DeprecatingMetricsQuery,
Expand Down Expand Up @@ -1453,9 +1456,6 @@ def get_snql_query(self) -> Request:
"""
if self.use_metrics_layer or self.use_on_demand:
from sentry.snuba.metrics import SnubaQueryBuilder
from sentry.snuba.metrics.mqb_query_transformer import (
transform_mqb_query_to_metrics_query,
)

if self.use_on_demand:
spec = self._on_demand_metric_spec_map[self.selected_columns[0]]
Expand Down Expand Up @@ -1496,6 +1496,37 @@ def get_snql_query(self) -> Request:

return super().get_snql_query()

def get_metrics_query(self) -> Timeseries | None:

intermediate_query = self.get_metrics_layer_snql_query()
metrics_query: DeprecatingMetricsQuery = transform_mqb_query_to_metrics_query(
intermediate_query, is_alerts_query=isinstance(self, AlertMetricsQueryBuilder)
)

mris = []
for s in metrics_query.select:
mris.append(s.metric_mri)

for mri in mris:
if "transaction.duration" in mri:

# somehow we have a mismatch between what MetricsQuery
# expects (with one aggregate) vs. what DeprecatingMetricsQuery
# exposes (possibly multiple aggregates)

where = metrics_query.where
groupby_set = metrics_query.action_by_str_fields()

groupby_cols = []
for field_name in groupby_set:
groupby_cols.append(Column(field_name))

metric = Metric(mris[0])

return Timeseries(metric=metric, filters=where, groupby=groupby_cols)

return None

def resolve_split_granularity(self) -> tuple[list[Condition], Granularity | None]:
"""Don't do this for anything but table queries"""
return [], self.granularity
Expand Down
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