Fix the Pull Request number in CHANGELOG.md

Signed-off-by: ChinYing-Li <[email protected]>

Author: ChinYing-Li

CHANGELOG.md

@@ -21,7 +21,7 @@
 * [ENHANCEMENT] Querier / ruler: some optimizations to PromQL query engine. #3934 #3989
 * [ENHANCEMENT] Ingester: reduce CPU and memory when an high number of errors are returned by the ingester on the write path with the blocks storage. #3969 #3971 #3973
 * [ENHANCEMENT] Distributor: reduce CPU and memory when an high number of errors are returned by the distributor on the write path. #3990
-* [ENHANCEMENT] Put metric before label value in the "label value too long" error message. #3982
+* [ENHANCEMENT] Put metric before label value in the "label value too long" error message. #4018
 * [BUGFIX] Ruler-API: fix bug where `/api/v1/rules/<namespace>/<group_name>` endpoint return `400` instead of `404`. #4013
 * [BUGFIX] Distributor: reverted changes done to rate limiting in #3825. #3948
 * [BUGFIX] Ingester: Fix race condition when opening and closing tsdb concurrently. #3959

pkg/util/validation/errors.go

@@ -26,6 +26,14 @@ func (e *genericValidationError) Error() string {
 	return fmt.Sprintf(e.message, e.cause, formatLabelSet(e.series))
 }
 
+func newLabelNameTooLongError(series []cortexpb.LabelAdapter, labelName string) ValidationError {
+	return &genericValidationError{
+		message: "label name too long: %.200q metric %.200q",
+		cause:   labelName,
+		series:  series,
+	}
+}
+
 // labelValueTooLongError is a customized ValidationError, in that the cause and the series are
 // are formatted in different order in Error.
 type labelValueTooLongError struct {
@@ -37,14 +45,6 @@ func (e *labelValueTooLongError) Error() string {
 	return fmt.Sprintf("label value too long for metric: %.200q label value: %.200q", formatLabelSet(e.series), e.labelValue)
 }
 
-func newLabelNameTooLongError(series []cortexpb.LabelAdapter, labelName string) ValidationError {
-	return &genericValidationError{
-		message: "label name too long: %.200q metric %.200q",
-		cause:   labelName,
-		series:  series,
-	}
-}
-
 func newLabelValueTooLongError(series []cortexpb.LabelAdapter, labelValue string) ValidationError {
 	return &labelValueTooLongError{
 		labelValue: labelValue,