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path: root/src/trace_processor/metrics/android/counter_span_view.sql
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--
-- Copyright 2020 The Android Open Source Project
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
--     https://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--

CREATE VIEW IF NOT EXISTS {{table_name}}_span AS
SELECT
  ts,
  LEAD(ts, 1, (SELECT end_ts + 1 FROM trace_bounds))
      OVER(PARTITION BY track_id ORDER BY ts) - ts AS dur,
  value AS {{table_name}}_val
FROM counter c JOIN counter_track t
  ON t.id = c.track_id
WHERE name = '{{counter_name}}';