redis/go-redis · error

redis: TS.NRANGE/TS.NREVRANGE requires exactly %d aggregator

Error message

redis: TS.NRANGE/TS.NREVRANGE requires exactly %d aggregator spec(s), got %d

What it means

Error "redis: TS.NRANGE/TS.NREVRANGE requires exactly %d aggregator spec(s), got %d" thrown in redis/go-redis.

Source

Thrown at timeseries_commands.go:1380

			if cmd.val[i].Values != nil {
				val[i].Values = make([]float64, len(cmd.val[i].Values))
				copy(val[i].Values, cmd.val[i].Values)
			}
		}
	}
	return &TSNRangePivotRowSliceCmd{
		baseCmd: cmd.cloneBaseCmd(),
		val:     val,
	}
}

// buildNRangeAggregationArgs validates and returns one aggregator spec string per key for
// TS.NRANGE / TS.NREVRANGE. The number of specs must equal the number of keys. Each spec
// lists one or more aggregators for its key and is emitted as a single comma-joined wire
// token; specs for different keys are separate wire tokens.
func buildNRangeAggregationArgs(keys []string, aggregators [][]Aggregator) ([]string, error) {
	if len(aggregators) != len(keys) {
		return nil, fmt.Errorf("redis: TS.NRANGE/TS.NREVRANGE requires exactly %d aggregator spec(s), got %d", len(keys), len(aggregators))
	}
	parts := make([]string, len(aggregators))
	for i, spec := range aggregators {
		if len(spec) == 0 {
			return nil, fmt.Errorf("redis: empty timeseries aggregator spec at index %d", i)
		}
		names := make([]string, len(spec))
		for j, agg := range spec {
			if agg == Invalid {
				return nil, fmt.Errorf("redis: invalid timeseries aggregator at index %d[%d]: Invalid (%d)", i, j, agg)
			}
			s := agg.String()
			if s == "" {
				return nil, fmt.Errorf("redis: invalid timeseries aggregator at index %d[%d]: %d", i, j, agg)
			}
			names[j] = s
		}
		parts[i] = strings.Join(names, ",")

View on GitHub (pinned to c5cad058c7)

When it happens

Trigger: Thrown at timeseries_commands.go:1380 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of redis/go-redis@c5cad058c7 (2026-09-01). Data as JSON: /api/errors/fb4ccfe4f7fadb26. Report an issue: GitHub.