Resolve merge conflicts by accepting deletions

devops/tools/ops-scripts/check-advisory-raw-duplicates.sql

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+-- Advisory raw duplicate detection query
+-- Surfaces advisory_raw duplicate candidates prior to enabling the idempotency unique index.
+-- Intended for staging/offline snapshots.
+--
+-- Usage:
+--   psql -d concelier -f ops/devops/tools/ops-scripts/check-advisory-raw-duplicates.sql
+--
+-- Environment variables:
+--   LIMIT - optional cap on number of duplicate groups to print (default 50).
+
+\echo '== advisory_raw duplicate audit =='
+\conninfo
+
+WITH duplicates AS (
+  SELECT
+    source_vendor,
+    upstream_id,
+    content_hash,
+    tenant,
+    COUNT(*) as count,
+    ARRAY_AGG(id) as ids
+  FROM advisory_raw
+  GROUP BY source_vendor, upstream_id, content_hash, tenant
+  HAVING COUNT(*) > 1
+  ORDER BY COUNT(*) DESC, source_vendor, upstream_id
+  LIMIT COALESCE(NULLIF(:'LIMIT', '')::INT, 50)
+)
+SELECT
+  'vendor: ' || source_vendor || E'\n' ||
+  'upstream_id: ' || upstream_id || E'\n' ||
+  'tenant: ' || COALESCE(tenant, 'NULL') || E'\n' ||
+  'content_hash: ' || content_hash || E'\n' ||
+  'count: ' || count || E'\n' ||
+  'ids: ' || ARRAY_TO_STRING(ids, ', ') AS duplicate_info
+FROM duplicates;
+
+SELECT CASE WHEN COUNT(*) = 0
+  THEN 'No duplicate advisory_raw documents detected.'
+  ELSE 'Found ' || COUNT(*) || ' duplicate groups.'
+END as status
+FROM (
+  SELECT 1 FROM advisory_raw
+  GROUP BY source_vendor, upstream_id, content_hash, tenant
+  HAVING COUNT(*) > 1
+  LIMIT 1
+) t;

devops/tools/ops-scripts/rollback-lnm-backfill.sql

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+-- Rollback script for LNM-21-102-DEV legacy advisory backfill migration.
+-- Removes backfilled observations and linksets by querying the backfill_marker field,
+-- then clears the tombstone markers from advisory_raw.
+--
+-- Usage:
+--   psql -d concelier -f ops/devops/tools/ops-scripts/rollback-lnm-backfill.sql
+--
+-- Environment variables:
+--   DRY_RUN - if set to "1", only reports what would be deleted without making changes.
+--
+-- After running this script, delete the migration record:
+--   DELETE FROM schema_migrations WHERE id = '20251127_lnm_legacy_backfill';
+--
+-- Then restart the Concelier service.
+
+\echo ''
+\echo '== LNM-21-102-DEV Backfill Rollback =='
+\conninfo
+
+-- Count backfilled observations
+SELECT 'Found ' || COUNT(*) || ' backfilled observations to remove.' as status
+FROM advisory_observations
+WHERE backfill_marker = 'lnm_21_102_dev';
+
+-- Count backfilled linksets
+SELECT 'Found ' || COUNT(*) || ' backfilled linksets to remove.' as status
+FROM advisory_linksets
+WHERE backfill_marker = 'lnm_21_102_dev';
+
+-- Count advisory_raw tombstone markers
+SELECT 'Found ' || COUNT(*) || ' advisory_raw documents with tombstone markers to clear.' as status
+FROM advisory_raw
+WHERE backfill_marker = 'lnm_21_102_dev';
+
+-- Only execute if not DRY_RUN
+\if :{?DRY_RUN}
+  \echo 'DRY RUN mode - no changes made'
+  \echo 'Set DRY_RUN=0 or omit it to execute the rollback'
+\else
+  -- Step 1: Delete backfilled observations
+  DELETE FROM advisory_observations WHERE backfill_marker = 'lnm_21_102_dev';
+  \echo 'Deleted observations'
+
+  -- Step 2: Delete backfilled linksets
+  DELETE FROM advisory_linksets WHERE backfill_marker = 'lnm_21_102_dev';
+  \echo 'Deleted linksets'
+
+  -- Step 3: Clear tombstone markers from advisory_raw
+  UPDATE advisory_raw SET backfill_marker = NULL WHERE backfill_marker = 'lnm_21_102_dev';
+  \echo 'Cleared tombstone markers'
+\endif
+
+\echo ''
+\echo '== Rollback Summary =='
+\echo ''
+\echo 'Next steps:'
+\echo '1. Delete the migration record:'
+\echo '   DELETE FROM schema_migrations WHERE id = ''20251127_lnm_legacy_backfill'';'
+\echo '2. Restart the Concelier service.'
+\echo ''