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perf(query): faster valToBytes for UidID and PasswordID #9720

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perf(query): faster valToBytes for UidID and PasswordID #9720

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12 changes: 10 additions & 2 deletions query/outputnode.go
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Original file line number Diff line number Diff line change
Expand Up @@ -685,9 +685,17 @@ func valToBytes(v types.Val) ([]byte, error) {
b := v.Value.(big.Float)
return b.MarshalText()
case types.UidID:
return []byte(fmt.Sprintf("\"%#x\"", v.Value)), nil
// Pre-sized: opening quote + "0x" + up to 16 hex digits + closing quote = 20.
uid, ok := v.Value.(uint64)
if !ok {
return []byte(fmt.Sprintf("\"%#x\"", v.Value)), nil
}
buf := make([]byte, 0, 20)
buf = append(buf, '"', '0', 'x')
buf = strconv.AppendUint(buf, uid, 16)
return append(buf, '"'), nil
case types.PasswordID:
return []byte(fmt.Sprintf("%q", v.Value.(string))), nil
return stringJsonMarshal(v.Value.(string)), nil
case types.VFloatID:
return json.Marshal(v.Value.([]float32))
default:
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