fixing funcs

Signed-off-by: Pedro Tanaka <pedro.tanaka@shopify.com>

pkg/api/query/v1_test.go

@@ -749,30 +749,6 @@ func TestQueryAnalyzeEndpoints(t *testing.T) {
 				QueryAnalysis: queryTelemetry{},
 			},
 		},
-		{
-			endpoint: api.queryRange,
-			query: url.Values{
-				"query": []string{"xrate(up[2m])"},
-				"start": []string{"0"},
-				"end":   []string{"500"},
-			},
-			response: &queryData{
-				ResultType: parser.ValueTypeMatrix,
-				Result: promql.Matrix{
-					promql.Series{
-						Floats: func(end, step float64) []promql.FPoint {
-							var res []promql.FPoint
-							for v := float64(0); v <= end; v += step {
-								res = append(res, promql.FPoint{F: v, T: timestamp.FromTime(start.Add(time.Duration(v) * time.Second))})
-							}
-							return res
-						}(500, 1),
-						Metric: nil,
-					},
-				},
-				QueryAnalysis: queryTelemetry{},
-			},
-		},
 		{
 			endpoint: api.queryRange,
 			query: url.Values{

pkg/extpromql/parser.go

@@ -16,7 +16,14 @@ import (
 
 // ParseExpr parses the input PromQL expression and returns the parsed representation.
 func ParseExpr(input string) (parser.Expr, error) {
-	p := parser.NewParser(input, parser.WithFunctions(function.XFunctions))
+	allFuncs := make(map[string]*parser.Function, len(function.XFunctions)+len(parser.Functions))
+	for k, v := range parser.Functions {
+		allFuncs[k] = v
+	}
+	for k, v := range function.XFunctions {
+		allFuncs[k] = v
+	}
+	p := parser.NewParser(input, parser.WithFunctions(allFuncs))
 	defer p.Close()
 	return p.ParseExpr()
 }