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n30nex
cf5ff7a974
* feat(stats): compare distinct flood packets across observers * test(stats): use the migrated observation deduplication key
24 lines
1.1 KiB
SQL
24 lines
1.1 KiB
SQL
-- name: GetObserverComparison :one
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-- Count packet identities, not reception rows: a broker repeat or another
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-- reception by the same observer must not inflate the comparison.
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WITH heard AS (
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SELECT po.packet_hash,
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bool_or(po.observer_id = @observer_a::uuid) AS seen_a,
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bool_or(po.observer_id = @observer_b::uuid) AS seen_b
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FROM packet_observations po
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JOIN packets p ON p.packet_hash = po.packet_hash
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WHERE po.observer_id IN (@observer_a::uuid, @observer_b::uuid)
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AND po.heard_at >= @since::timestamptz
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AND po.heard_at < @until::timestamptz
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AND p.route_type IN (0, 1)
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AND (COALESCE(cardinality(@iatas::text[]), 0) = 0 OR po.iata = ANY(@iatas::text[]))
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GROUP BY po.packet_hash
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)
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SELECT count(*) AS total_packets,
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count(*) FILTER (WHERE seen_a AND NOT seen_b) AS only_a,
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count(*) FILTER (WHERE seen_b AND NOT seen_a) AS only_b,
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count(*) FILTER (WHERE seen_a AND seen_b) AS both,
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EXISTS (SELECT 1 FROM observers WHERE id = @observer_a::uuid) AS known_a,
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EXISTS (SELECT 1 FROM observers WHERE id = @observer_b::uuid) AS known_b
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FROM heard;
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