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Bogdan Timofte
authored
2 weeks ago
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-- autoSMART Migration v1 → v2
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-- Migrates existing data from smart_readings (blob JSONB) to new schema
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-- Date: 2026-05-20
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-- Execution time: ~5-15 minutes for 151K readings
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-- NOTE: Only baseline + full readings are migrated (differential are empty due to bug)
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BEGIN;
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-- ============================================================================
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-- PHASE 1: Populate smart_param_catalog from smart_thresholds + auto-discovery
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-- ============================================================================
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DO $$
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DECLARE
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v_param TEXT;
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v_threshold_rec RECORD;
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BEGIN
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RAISE NOTICE '[PHASE 1] Populating smart_param_catalog...';
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FOR v_threshold_rec IN
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SELECT parameter_name, warning_threshold, critical_threshold,
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weight, description
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FROM smart_thresholds
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LOOP
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INSERT INTO smart_param_catalog
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(param_name, description, warning_threshold, critical_threshold,
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health_weight, is_critical, unit)
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VALUES (
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v_threshold_rec.parameter_name,
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v_threshold_rec.description,
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v_threshold_rec.warning_threshold,
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v_threshold_rec.critical_threshold,
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v_threshold_rec.weight,
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(v_threshold_rec.weight >= 8.0),
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'count'
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)
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ON CONFLICT (param_name) DO UPDATE
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SET warning_threshold = EXCLUDED.warning_threshold,
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critical_threshold = EXCLUDED.critical_threshold,
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health_weight = EXCLUDED.health_weight,
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is_critical = EXCLUDED.is_critical,
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description = COALESCE(EXCLUDED.description, smart_param_catalog.description),
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updated_at = NOW();
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END LOOP;
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RAISE NOTICE '[PHASE 1] smart_thresholds → smart_param_catalog: % parameters imported',
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(SELECT COUNT(*) FROM smart_param_catalog);
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FOR v_param IN
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SELECT DISTINCT jsonb_object_keys(parameters_json)
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FROM smart_readings
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WHERE parameters_json IS NOT NULL AND parameters_json != '{}'::jsonb
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LOOP
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INSERT INTO smart_param_catalog (param_name)
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VALUES (v_param)
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ON CONFLICT (param_name) DO NOTHING;
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END LOOP;
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RAISE NOTICE '[PHASE 1] Auto-discovery from JSONB complete: % total parameters in catalog',
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(SELECT COUNT(*) FROM smart_param_catalog);
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END $$;
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-- ============================================================================
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-- PHASE 2: Migrate smart_readings → smart_collection_events (only full/baseline)
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-- ============================================================================
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DO $$
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DECLARE
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v_count BIGINT;
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BEGIN
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RAISE NOTICE '[PHASE 2] Migrating full/baseline readings to smart_collection_events...';
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INSERT INTO smart_collection_events
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(hdd_id, serial_number, node_id, collected_at,
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collection_ok, temperature, checksum, param_count)
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SELECT
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hdd_id,
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serial_number,
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COALESCE(node_id, 'unknown'),
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timestamp,
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COALESCE(collection_ok, true),
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temperature,
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checksum,
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CASE WHEN parameters_json IS NOT NULL AND parameters_json != '{}'::jsonb
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THEN (SELECT COUNT(*) FROM jsonb_object_keys(parameters_json))::SMALLINT
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ELSE 0::SMALLINT
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END
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FROM smart_readings
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WHERE reading_type IN ('baseline', 'full')
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ORDER BY timestamp;
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v_count := (SELECT COUNT(*) FROM smart_collection_events);
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RAISE NOTICE '[PHASE 2] Migrated % collection events', v_count;
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END $$;
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-- ============================================================================
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-- PHASE 3: Create monthly partitions for historical data range
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-- ============================================================================
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DO $$
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DECLARE
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v_min_date DATE;
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v_max_date DATE;
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v_d DATE;
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BEGIN
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RAISE NOTICE '[PHASE 3] Creating monthly partitions for historical range...';
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SELECT DATE_TRUNC('month', MIN(timestamp))::DATE,
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DATE_TRUNC('month', MAX(timestamp))::DATE + INTERVAL '1 month'
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INTO v_min_date, v_max_date
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FROM smart_readings;
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v_d := v_min_date;
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WHILE v_d <= v_max_date LOOP
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PERFORM create_monthly_partition(
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EXTRACT(YEAR FROM v_d)::INTEGER,
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EXTRACT(MONTH FROM v_d)::INTEGER
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);
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v_d := v_d + INTERVAL '1 month';
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END LOOP;
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RAISE NOTICE '[PHASE 3] Partition creation complete';
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END $$;
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-- ============================================================================
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-- PHASE 4: Populate smart_param_values from JSONB
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-- ============================================================================
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DO $$
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DECLARE
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v_migrated BIGINT;
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v_errors BIGINT;
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BEGIN
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RAISE NOTICE '[PHASE 4] Migrating parameter values from smart_readings JSONB...';
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INSERT INTO smart_param_values
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(event_id, hdd_id, param_id, collected_at,
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raw_value, normalized_value, worst_value, threshold_value, when_failed)
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SELECT
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sce.id,
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sr.hdd_id,
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spc.id,
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sr.timestamp,
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-- Extract raw_value: handle both scalar {"param": 123} and object {"param": {"raw_value": 123}}
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CASE
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WHEN jsonb_typeof(sr.parameters_json->kv.key) = 'number'
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THEN (sr.parameters_json->kv.key)::BIGINT
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WHEN jsonb_typeof(sr.parameters_json->kv.key) = 'object'
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THEN (sr.parameters_json->kv.key->>'raw_value')::BIGINT
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ELSE NULL::BIGINT
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END,
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CASE
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WHEN jsonb_typeof(sr.parameters_json->kv.key) = 'object'
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THEN (sr.parameters_json->kv.key->>'value')::SMALLINT
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ELSE NULL::SMALLINT
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END,
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CASE
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WHEN jsonb_typeof(sr.parameters_json->kv.key) = 'object'
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THEN (sr.parameters_json->kv.key->>'worst')::SMALLINT
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ELSE NULL::SMALLINT
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END,
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CASE
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WHEN jsonb_typeof(sr.parameters_json->kv.key) = 'object'
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THEN (sr.parameters_json->kv.key->>'thresh')::SMALLINT
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ELSE NULL::SMALLINT
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END,
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CASE
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WHEN jsonb_typeof(sr.parameters_json->kv.key) = 'object'
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THEN sr.parameters_json->kv.key->>'when_failed'
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ELSE NULL::VARCHAR
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END
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FROM smart_readings sr
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JOIN smart_collection_events sce
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ON sce.hdd_id = sr.hdd_id
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AND sce.collected_at = sr.timestamp
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AND sce.serial_number = sr.serial_number
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CROSS JOIN LATERAL jsonb_each_text(COALESCE(sr.parameters_json, '{}'::jsonb)) AS kv(key, value)
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LEFT JOIN smart_param_catalog spc ON spc.param_name = kv.key
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WHERE sr.reading_type IN ('baseline', 'full')
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AND sr.parameters_json IS NOT NULL
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AND sr.parameters_json != '{}'::jsonb
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AND spc.id IS NOT NULL;
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v_migrated := (SELECT COUNT(*) FROM smart_param_values);
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RAISE NOTICE '[PHASE 4] Migrated % parameter values', v_migrated;
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END $$;
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-- ============================================================================
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-- PHASE 5: Populate param_id_ata from JSONB metadata
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-- ============================================================================
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DO $$
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DECLARE
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v_updated INTEGER;
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BEGIN
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RAISE NOTICE '[PHASE 5] Extracting ATA attribute IDs from JSONB...';
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UPDATE smart_param_catalog spc
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SET param_id_ata = subq.ata_id
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FROM (
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SELECT DISTINCT ON (kv.key)
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kv.key AS param_name,
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(sr.parameters_json->kv.key->>'id')::INTEGER AS ata_id
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FROM smart_readings sr
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CROSS JOIN LATERAL jsonb_each(sr.parameters_json) AS kv
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WHERE jsonb_typeof(sr.parameters_json->kv.key) = 'object'
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AND sr.parameters_json->kv.key->>'id' IS NOT NULL
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ORDER BY kv.key, sr.timestamp DESC
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) subq
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WHERE spc.param_name = subq.param_name
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AND subq.ata_id IS NOT NULL
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AND spc.param_id_ata IS NULL;
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GET DIAGNOSTICS v_updated = ROW_COUNT;
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RAISE NOTICE '[PHASE 5] Updated % parameters with ATA IDs', v_updated;
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END $$;
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-- ============================================================================
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-- PHASE 6: Integrity verification
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-- ============================================================================
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DO $$
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DECLARE
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v_orig_full_readings BIGINT;
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v_migrated_events BIGINT;
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v_migrated_values BIGINT;
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v_avg_params_per_event NUMERIC;
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v_catalog_params BIGINT;
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BEGIN
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RAISE NOTICE '[PHASE 6] Verifying migration integrity...';
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SELECT COUNT(*) INTO v_orig_full_readings
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FROM smart_readings WHERE reading_type IN ('baseline', 'full');
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SELECT COUNT(*) INTO v_migrated_events
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FROM smart_collection_events;
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SELECT COUNT(*) INTO v_migrated_values
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FROM smart_param_values;
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SELECT COUNT(*) INTO v_catalog_params
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FROM smart_param_catalog;
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v_avg_params_per_event := ROUND(v_migrated_values::NUMERIC / NULLIF(v_migrated_events, 0), 2);
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RAISE NOTICE '═══════════════════════════════════════════════';
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RAISE NOTICE 'MIGRATION SUMMARY:';
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RAISE NOTICE '───────────────────────────────────────────────';
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RAISE NOTICE 'Original full/baseline readings: %', v_orig_full_readings;
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RAISE NOTICE 'Migrated collection events: %', v_migrated_events;
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RAISE NOTICE 'Migrated parameter values: %', v_migrated_values;
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RAISE NOTICE 'Average params per event: %', v_avg_params_per_event;
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RAISE NOTICE 'Parameters in catalog: %', v_catalog_params;
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RAISE NOTICE '═══════════════════════════════════════════════';
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IF v_migrated_events = 0 THEN
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RAISE EXCEPTION 'ERROR: No events migrated! Check smart_readings data.';
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END IF;
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IF v_migrated_events < v_orig_full_readings THEN
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RAISE WARNING 'Event count (%) less than original (%). Possible: timestamp duplicates detected and consolidated.',
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v_migrated_events, v_orig_full_readings;
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END IF;
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IF v_migrated_values = 0 THEN
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RAISE WARNING 'No parameter values migrated! Check JSONB format.';
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END IF;
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268
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RAISE NOTICE 'Migration integrity check: PASSED ✓';
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END $$;
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272
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-- ============================================================================
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273
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-- PHASE 7: Sample data validation
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274
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-- ============================================================================
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275
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276
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DO $$
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277
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DECLARE
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278
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v_rec RECORD;
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279
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v_count INTEGER;
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280
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BEGIN
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281
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RAISE NOTICE '[PHASE 7] Sample data validation...';
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282
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283
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SELECT COUNT(*) INTO v_count
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FROM smart_param_values
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285
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WHERE raw_value IS NOT NULL;
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287
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RAISE NOTICE 'Records with raw_value: % / %', v_count,
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288
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(SELECT COUNT(*) FROM smart_param_values);
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289
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290
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FOR v_rec IN
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291
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SELECT serial_number, COUNT(*) as event_count, SUM(param_count) as total_params
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292
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FROM smart_collection_events
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293
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GROUP BY serial_number
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294
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ORDER BY event_count DESC
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295
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LIMIT 5
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296
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LOOP
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297
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RAISE NOTICE 'Disk: %, Events: %, Total params across events: %',
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298
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v_rec.serial_number, v_rec.event_count, v_rec.total_params;
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299
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END LOOP;
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300
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301
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RAISE NOTICE '[PHASE 7] Sample validation: PASSED ✓';
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302
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END $$;
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303
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304
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-- ============================================================================
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305
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-- FINAL SUMMARY
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306
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-- ============================================================================
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307
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308
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DO $$
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309
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BEGIN
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310
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RAISE NOTICE '';
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311
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RAISE NOTICE '╔════════════════════════════════════════════════════════════════╗';
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312
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RAISE NOTICE '║ ✅ Migration v1 → v2 Complete! ║';
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313
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RAISE NOTICE '╠════════════════════════════════════════════════════════════════╣';
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314
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RAISE NOTICE '║ ║';
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315
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RAISE NOTICE '║ New data is now in: ║';
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316
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RAISE NOTICE '║ • smart_collection_events (metadata per-collection) ║';
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317
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RAISE NOTICE '║ • smart_param_values (parameter values, partitioned) ║';
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318
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RAISE NOTICE '║ • smart_param_catalog (parameter registry) ║';
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319
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RAISE NOTICE '║ ║';
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320
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RAISE NOTICE '║ Views available: ║';
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321
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RAISE NOTICE '║ • v_latest_param_values ║';
|
|
|
322
|
RAISE NOTICE '║ • v_drive_health_summary ║';
|
|
|
323
|
RAISE NOTICE '║ • v_param_trend ║';
|
|
|
324
|
RAISE NOTICE '║ • v_cluster_overview ║';
|
|
|
325
|
RAISE NOTICE '║ • v_smart_readings_compat (backward-compatible) ║';
|
|
|
326
|
RAISE NOTICE '║ ║';
|
|
|
327
|
RAISE NOTICE '║ Next steps: ║';
|
|
|
328
|
RAISE NOTICE '║ 1. Verify data: SELECT * FROM v_drive_health_summary; ║';
|
|
|
329
|
RAISE NOTICE '║ 2. Run collation fix: ALTER DATABASE autosmart ║';
|
|
|
330
|
RAISE NOTICE '║ REFRESH COLLATION VERSION; ║';
|
|
|
331
|
RAISE NOTICE '║ 3. Archive old table: ALTER TABLE smart_readings ║';
|
|
|
332
|
RAISE NOTICE '║ RENAME TO smart_readings_archive_v1; ║';
|
|
|
333
|
RAISE NOTICE '║ 4. Update collectors (SmartCollector.pm, daemon) ║';
|
|
|
334
|
RAISE NOTICE '║ ║';
|
|
|
335
|
RAISE NOTICE '╚════════════════════════════════════════════════════════════════╝';
|
|
|
336
|
RAISE NOTICE '';
|
|
|
337
|
END $$;
|
|
|
338
|
|
|
|
339
|
COMMIT;
|