Change to local variables

Signed-off-by: haanhvu <haanh6594@gmail.com>
thanos-io · Sep 11, 2022 · 6c7a806 · 6c7a806
1 parent ed6590f
commit 6c7a806
Showing 1 changed file with 4 additions and 5 deletions.
diff --git a/pkg/querysharding/analyzer.go b/pkg/querysharding/analyzer.go
@@ -43,7 +43,6 @@ func (a *QueryAnalyzer) Analyze(query string) (QueryAnalysis, error) {
 	}
 
 	isShardable := true
-	shardingLabels := make([]string, 0)
 	var analysis QueryAnalysis
 	parser.Inspect(expr, func(node parser.Node, nodes []parser.Node) error {
 		switch n := node.(type) {
@@ -57,10 +56,11 @@ func (a *QueryAnalyzer) Analyze(query string) (QueryAnalysis, error) {
 			}
 		case *parser.BinaryExpr:
 			if n.VectorMatching != nil {
-				shardingLabels = without(n.VectorMatching.MatchingLabels, []string{"le"})
+				shardingLabels := without(n.VectorMatching.MatchingLabels, []string{"le"})
 				analysis = analysis.scopeToLabels(shardingLabels, n.VectorMatching.On)
 			}
 		case *parser.AggregateExpr:
+			shardingLabels := make([]string, 0)
 			if len(n.Grouping) > 0 {
 				shardingLabels = without(n.Grouping, []string{"le"})
 			}
@@ -83,11 +83,10 @@ func (a *QueryAnalyzer) Analyze(query string) (QueryAnalysis, error) {
 }
 
 func analyzeRootExpression(node parser.Node) QueryAnalysis {
-	shardingLabels := make([]string, 0)
 	switch n := node.(type) {
 	case *parser.BinaryExpr:
 		if n.VectorMatching != nil && n.VectorMatching.On {
-			shardingLabels = without(n.VectorMatching.MatchingLabels, []string{"le"})
+			shardingLabels := without(n.VectorMatching.MatchingLabels, []string{"le"})
 			return newShardableByLabels(shardingLabels, n.VectorMatching.On)
 		} else {
 			return nonShardableQuery()
@@ -97,7 +96,7 @@ func analyzeRootExpression(node parser.Node) QueryAnalysis {
 			return nonShardableQuery()
 		}
 
-		shardingLabels = without(n.Grouping, []string{"le"})
+		shardingLabels := without(n.Grouping, []string{"le"})
 		return newShardableByLabels(shardingLabels, !n.Without)
 	}