refactor: use fmt.Appendf for improved performance

geogrego · geogrego · commit f9dae5c7c0b8 · 2025-11-11T21:52:50.000+08:00
Signed-off-by: geogrego &lt;geogrego@outlook.com&gt;
diff --git a/utils/math/prec_dec.go b/utils/math/prec_dec.go
@@ -771,9 +771,9 @@ func SortablePrecDecBytes(dec PrecDec) []byte {
 	}
 	// We move the negative sign to the front of all the left padded 0s, to make negative numbers come before positive numbers
 	if dec.IsNegative() {
-		return append([]byte("-"), []byte(fmt.Sprintf(fmt.Sprintf("%%0%ds", Precision*2+1), dec.Abs().String()))...)
+		return append([]byte("-"), fmt.Appendf(nil, fmt.Sprintf("%%0%ds", Precision*2+1), dec.Abs().String())...)
 	}
-	return []byte(fmt.Sprintf(fmt.Sprintf("%%0%ds", Precision*2+1), dec.String()))
+	return fmt.Appendf(nil, fmt.Sprintf("%%0%ds", Precision*2+1), dec.String())
 }
 
 // reuse nil values

Original file line number	Diff line number	Diff line change
`@@ -771,9 +771,9 @@ func SortablePrecDecBytes(dec PrecDec) []byte {`
`771`	`771`	`}`
`772`	`772`	`// We move the negative sign to the front of all the left padded 0s, to make negative numbers come before positive numbers`
`773`	`773`	`if dec.IsNegative() {`
`774`		`- return append([]byte("-"), []byte(fmt.Sprintf(fmt.Sprintf("%%0%ds", Precision*2+1), dec.Abs().String()))...)`
	`774`	`+ return append([]byte("-"), fmt.Appendf(nil, fmt.Sprintf("%%0%ds", Precision*2+1), dec.Abs().String())...)`
`775`	`775`	`}`
`776`		`- return []byte(fmt.Sprintf(fmt.Sprintf("%%0%ds", Precision*2+1), dec.String()))`
	`776`	`+ return fmt.Appendf(nil, fmt.Sprintf("%%0%ds", Precision*2+1), dec.String())`
`777`	`777`	`}`
`778`	`778`
`779`	`779`	`// reuse nil values`