luci_notify/internal/span/init_db.sql

-- Copyright 2024 The LUCI Authors.
--
-- 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
--
--      http://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.

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-- This script initializes a LUCI Notify Spanner database.

-- Alerts are individual alert items about the state of the builders.
-- Currently these are mapped 1:1 to Sheriff-o-Matic alerts, but will
-- change in the future if we move away from Sheriff-o-Matic.
-- TTL is set at 30 days to keep the table size reasonably small for fast queries.
CREATE TABLE Alerts (
  -- The key of the alert.
  -- For now, this matches the key of the alert in Sheriff-o-Matic.
  -- This may be revised in the future.
  AlertKey STRING(256) NOT NULL,
  -- The bug number in Buganizer/IssueTracker.
  -- 0 if the alert is not linked to a bug.
  Bug INT64,
  -- The Gerrit CL number associated with this alert.
  -- 0 if the alert is not associated with any CL.
  GerritCL INT64,
  -- The build number to consider this alert silenced until.
  -- 0 if the alert is not silenced.
  SilenceUntil INT64,
  -- The time the alert was last modified.
  -- Used to control TTL of alert values.
  ModifyTime TIMESTAMP NOT NULL OPTIONS (allow_commit_timestamp=true),
) PRIMARY KEY (AlertKey),
ROW DELETION POLICY (OLDER_THAN(ModifyTime, INTERVAL 30 DAY));