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perf(db): include observation IATAs in trace packet reads (#120)

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This commit is contained in:
n30nex
2026-09-09 18:44:52 -04:00
committed by GitHub
parent 04d059d7b3
commit 2125df5b61
6 changed files with 160 additions and 26 deletions
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db/sqlc/querier.go
+2 -1
View File
@@ -57,7 +57,8 @@ type Querier interface {
GetObserverTelemetryBucketed(ctx context.Context, arg GetObserverTelemetryBucketedParams) ([]GetObserverTelemetryBucketedRow, error)
GetPacketByHash(ctx context.Context, packetHash []byte) (GetPacketByHashRow, error)
GetPacketObservationCount(ctx context.Context, packetHash []byte) (int64, error)
// Returns all packets for a given trace tag with observations.
// Return distinct observation IATAs in first-heard order for path resolution,
// without fetching full observations separately for every trace packet.
GetPacketsByTraceTag(ctx context.Context, decode string) ([]GetPacketsByTraceTagRow, error)
GetRadioPresets(ctx context.Context, arg GetRadioPresetsParams) ([]MvRadioPreset, error)
GetRegion(ctx context.Context, id int32) (GetRegionRow, error)
db/sqlc/queries.sql.go
+12 -2
View File
@@ -860,7 +860,14 @@ SELECT encode(p.packet_hash, 'hex') AS packet_hash_hex,
p.last_heard_at,
p.parsed_payload,
p.scope_id,
ts.name AS scope_name
ts.name AS scope_name,
ARRAY(
SELECT po.iata
FROM packet_observations po
WHERE po.packet_hash = p.packet_hash
GROUP BY po.iata
ORDER BY MIN(po.heard_at), po.iata
)::bpchar[] AS iatas
FROM packets p
LEFT JOIN transport_scopes ts ON ts.id = p.scope_id
WHERE p.trace_tag = decode($1, 'hex')
@@ -875,9 +882,11 @@ type GetPacketsByTraceTagRow struct {
ParsedPayload []byte `json:"parsed_payload"`
ScopeID *int32 `json:"scope_id"`
ScopeName *string `json:"scope_name"`
Iatas []string `json:"iatas"`
}
// Returns all packets for a given trace tag with observations.
// Return distinct observation IATAs in first-heard order for path resolution,
// without fetching full observations separately for every trace packet.
func (q *Queries) GetPacketsByTraceTag(ctx context.Context, decode string) ([]GetPacketsByTraceTagRow, error) {
rows, err := q.db.Query(ctx, getPacketsByTraceTag, decode)
if err != nil {
@@ -895,6 +904,7 @@ func (q *Queries) GetPacketsByTraceTag(ctx context.Context, decode string) ([]Ge
&i.ParsedPayload,
&i.ScopeID,
&i.ScopeName,
&i.Iatas,
); err != nil {
return nil, err
}