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fix(stats): clear stale backfill daily mileage rows

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lingniu
2026-07-08 15:06:25 +08:00
parent 804c238bff
commit a5eebfb32d
2 changed files with 126 additions and 1 deletions
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16
go/vehicle-gateway/cmd/stats-backfill/main.go
View File

@@ -266,6 +266,7 @@ func writeAggregates(ctx context.Context, db *sql.DB, aggregates map[string]*met
return 0, nil
}
var written int64
targets := map[string]struct{}{}
for _, agg := range aggregates {
identity := stats.SourceIdentity{
Protocol: agg.Protocol,
@@ -307,6 +308,13 @@ func writeAggregates(ctx context.Context, db *sql.DB, aggregates map[string]*met
if err := stats.UpsertSourceMileage(ctx, db, candidate); err != nil {
return written, err
}
target := agg.VIN + "|" + agg.Date + "|" + string(agg.Protocol)
if _, ok := targets[target]; !ok {
if err := clearBackfillFinalMileage(ctx, db, agg.VIN, agg.Date, agg.Protocol); err != nil {
return written, err
}
targets[target] = struct{}{}
}
if err := stats.ProjectDailyMileage(ctx, db, agg.VIN, agg.Date, agg.Protocol); err != nil {
return written, err
}
@@ -315,6 +323,14 @@ func writeAggregates(ctx context.Context, db *sql.DB, aggregates map[string]*met
return written, nil
}
func clearBackfillFinalMileage(ctx context.Context, db *sql.DB, vin string, statDate string, protocol envelope.Protocol) error {
if db == nil || strings.TrimSpace(vin) == "" || strings.TrimSpace(statDate) == "" || strings.TrimSpace(string(protocol)) == "" {
return nil
}
_, err := db.ExecContext(ctx, "DELETE FROM vehicle_daily_mileage WHERE vin = ? AND stat_date = ? AND protocol = ?", vin, statDate, string(protocol))
return err
}
func buildLastDiffAggregates(ctx context.Context, db *sql.DB, cfg config) (map[string]*metricAgg, error) {
dates, err := dateRangeWithPrevious(cfg.DateFrom, cfg.DateTo)
if err != nil {

111
go/vehicle-gateway/cmd/stats-backfill/main_test.go
View File

@@ -1,6 +1,14 @@
package main
import "testing"
import (
"context"
"testing"
"time"
"github.com/DATA-DOG/go-sqlmock"
"lingniu-vehicle-ingest/go/vehicle-gateway/internal/envelope"
"lingniu-vehicle-ingest/go/vehicle-gateway/internal/stats"
)
func TestChooseTrustedSourceKeepsContinuingSourceAndRejectsNewJump(t *testing.T) {
previous := []dailySourceLast{{
@@ -58,3 +66,104 @@ func TestDailySourceLastBuildsCandidateKeysBySourceIP(t *testing.T) {
t.Fatalf("same source IP should produce same source key: %q vs %q", sourceA.SourceKey, sourceB.SourceKey)
}
}
func TestClearBackfillFinalMileageClearsExactKey(t *testing.T) {
db, mock, err := sqlmock.New()
if err != nil {
t.Fatalf("sqlmock.New() error = %v", err)
}
defer db.Close()
mock.ExpectExec(`DELETE FROM vehicle_daily_mileage WHERE vin = \? AND stat_date = \? AND protocol = \?`).
WithArgs("LA9GG64L7PBAF4001", "2026-07-08", "JT808").
WillReturnResult(sqlmock.NewResult(0, 1))
if err := clearBackfillFinalMileage(context.Background(), db, "LA9GG64L7PBAF4001", "2026-07-08", envelope.ProtocolJT808); err != nil {
t.Fatalf("clearBackfillFinalMileage() error = %v", err)
}
if err := mock.ExpectationsWereMet(); err != nil {
t.Fatalf("sql expectations: %v", err)
}
}
func TestWriteAggregatesClearsFinalBeforeProjection(t *testing.T) {
db, mock, err := sqlmock.New()
if err != nil {
t.Fatalf("sqlmock.New() error = %v", err)
}
defer db.Close()
mock.MatchExpectationsInOrder(true)
projNow := time.Date(2026, 7, 8, 12, 0, 0, 0, time.FixedZone("Asia/Shanghai", 8*3600))
aggregates := map[string]*metricAgg{
"LA9GG64L7PBAF4001|2026-07-08|JT808|JT808:13307765812@115.231.168.135": {
VIN: "LA9GG64L7PBAF4001",
Date: "2026-07-08",
Protocol: envelope.ProtocolJT808,
FirstKM: 4100,
LatestKM: 4101,
Count: 1,
SourceKey: "JT808:13307765812@115.231.168.135",
Phone: "13307765812",
SourceEndpoint: "115.231.168.135:20215",
FirstEventTime: projNow,
LatestEventTime: projNow,
QualityStatus: stats.QualityInvalidDelta,
QualityReason: "outside_daily_range",
},
}
mock.ExpectExec(`INSERT INTO vehicle_data_source`).
WithArgs("JT808", "115.231.168.135", "115.231.168.135:20215", sqlmock.AnyArg(), sqlmock.AnyArg()).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectExec(`INSERT INTO vehicle_daily_mileage_source`).
WithArgs(
"LA9GG64L7PBAF4001",
"2026-07-08",
"JT808",
"JT808:13307765812@115.231.168.135",
"115.231.168.135",
"115.231.168.135:20215",
"13307765812",
"",
"",
float64(4100),
float64(4101),
float64(1),
int64(1),
projNow,
projNow,
stats.QualityInvalidDelta,
"outside_daily_range",
).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectExec(`DELETE FROM vehicle_daily_mileage WHERE vin = \? AND stat_date = \? AND protocol = \?`).
WithArgs("LA9GG64L7PBAF4001", "2026-07-08", "JT808").
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectExec(`UPDATE vehicle_daily_mileage_source`).
WithArgs("LA9GG64L7PBAF4001", "2026-07-08", "JT808").
WillReturnResult(sqlmock.NewResult(0, 0))
mock.ExpectExec(`INSERT INTO vehicle_daily_mileage`).
WithArgs("LA9GG64L7PBAF4001", "2026-07-08", "JT808", int64(1000)).
WillReturnResult(sqlmock.NewResult(1, 0))
mock.ExpectExec(`UPDATE vehicle_daily_mileage_source s`).
WithArgs(
"LA9GG64L7PBAF4001",
"2026-07-08",
"JT808",
int64(1000),
"LA9GG64L7PBAF4001",
"2026-07-08",
"JT808",
).
WillReturnResult(sqlmock.NewResult(0, 1))
written, err := writeAggregates(context.Background(), db, aggregates, 500)
if err != nil {
t.Fatalf("writeAggregates() error = %v", err)
}
if written != 1 {
t.Fatalf("written = %d, want 1", written)
}
if err := mock.ExpectationsWereMet(); err != nil {
t.Fatalf("sql expectations: %v", err)
}
}