86 lines
2.6 KiB
SQL
86 lines
2.6 KiB
SQL
-- =============================================================================
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-- Migration 036: normalize incidents legacy/current columns
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-- 日期: 2026-05-12 台北
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-- =============================================================================
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-- 背景:
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-- migration 013 建立 incidents.error_traceback / playbook_id / resolved_at；
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-- 後續 ORM 改用 traceback_str / matched_playbook_id。migration 031 已加新欄位，
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-- 但 create_all-only 舊環境可能缺 legacy 欄位，且新寫入只更新新欄位。
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--
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-- 設計:
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-- 1. 保留雙欄做向下相容，不做破壞性 drop/rename。
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-- 2. 補齊缺欄，並用 COALESCE 雙向回填，讓分析查詢可安全 coalesce。
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-- 3. 補 playbook_id FK 與 matched_playbook_id FK；已存在則略過。
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-- =============================================================================
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ALTER TABLE IF EXISTS incidents
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ADD COLUMN IF NOT EXISTS error_traceback TEXT;
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ALTER TABLE IF EXISTS incidents
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ADD COLUMN IF NOT EXISTS traceback_str TEXT;
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ALTER TABLE IF EXISTS incidents
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ADD COLUMN IF NOT EXISTS playbook_id INTEGER;
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ALTER TABLE IF EXISTS incidents
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ADD COLUMN IF NOT EXISTS matched_playbook_id INTEGER;
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ALTER TABLE IF EXISTS incidents
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ADD COLUMN IF NOT EXISTS resolved_at TIMESTAMP;
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ALTER TABLE IF EXISTS incidents
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ALTER COLUMN severity TYPE VARCHAR(20);
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UPDATE incidents
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SET traceback_str = error_traceback
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WHERE traceback_str IS NULL
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AND error_traceback IS NOT NULL;
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UPDATE incidents
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SET error_traceback = traceback_str
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WHERE error_traceback IS NULL
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AND traceback_str IS NOT NULL;
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UPDATE incidents
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SET matched_playbook_id = playbook_id
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WHERE matched_playbook_id IS NULL
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AND playbook_id IS NOT NULL;
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UPDATE incidents
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SET playbook_id = matched_playbook_id
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WHERE playbook_id IS NULL
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AND matched_playbook_id IS NOT NULL;
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1
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FROM pg_constraint
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WHERE conname = 'incidents_playbook_id_fkey'
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) THEN
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ALTER TABLE incidents
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ADD CONSTRAINT incidents_playbook_id_fkey
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FOREIGN KEY (playbook_id)
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REFERENCES playbooks(id);
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END IF;
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IF NOT EXISTS (
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SELECT 1
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FROM pg_constraint
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WHERE conname = 'incidents_matched_playbook_id_fkey'
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) THEN
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ALTER TABLE incidents
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ADD CONSTRAINT incidents_matched_playbook_id_fkey
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FOREIGN KEY (matched_playbook_id)
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REFERENCES playbooks(id);
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END IF;
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END $$;
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CREATE INDEX IF NOT EXISTS idx_incidents_matched_playbook_id
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ON incidents(matched_playbook_id);
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DO $$
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BEGIN
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RAISE NOTICE 'Migration 036 done: incidents legacy/current columns normalized';
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END $$;
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