shishengliang/lingniu-vehicle-ingest
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feat(platform): paginate history queries

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lingniu
2026-07-03 22:19:14 +08:00
parent ea96b6909a
commit 72aa20b347
4 changed files with 91 additions and 62 deletions
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16
vehicle-data-platform/apps/api/internal/platform/tdengine_queries.go
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@@ -29,8 +29,12 @@ func buildRawFrameSQL(database string, query RawFrameQuery) SQLQuery {
if len(where) > 0 {
text += ` WHERE ` + strings.Join(where, " AND ")
}
text += ` ORDER BY ts DESC LIMIT ` + strconv.Itoa(limit) + ` OFFSET ` + strconv.Itoa(offset)
return SQLQuery{Text: text, Args: args}
countText := `SELECT COUNT(*) FROM ` + table
if len(where) > 0 {
countText += ` WHERE ` + strings.Join(where, " AND ")
}
text += ` ORDER BY ts DESC, frame_id ASC LIMIT ` + strconv.Itoa(limit) + ` OFFSET ` + strconv.Itoa(offset)
return SQLQuery{Text: text, Args: args, CountText: countText}
}
func rawFrameWhere(query RawFrameQuery) []string {
@@ -71,8 +75,12 @@ func buildHistoryLocationSQL(database string, query map[string]string) SQLQuery
if len(where) > 0 {
text += ` WHERE ` + strings.Join(where, " AND ")
}
text += ` ORDER BY ts DESC LIMIT ` + strconv.Itoa(limit) + ` OFFSET ` + strconv.Itoa(offset)
return SQLQuery{Text: text, Args: args}
countText := `SELECT COUNT(*) FROM ` + table
if len(where) > 0 {
countText += ` WHERE ` + strings.Join(where, " AND ")
}
text += ` ORDER BY ts DESC, vin ASC, protocol ASC LIMIT ` + strconv.Itoa(limit) + ` OFFSET ` + strconv.Itoa(offset)
return SQLQuery{Text: text, Args: args, CountText: countText}
}
func qualifyTDengine(database, table string) string {