From 762a77079a2b82947bf9eb5e84a1931ec8287511 Mon Sep 17 00:00:00 2001
From: ben hockey <neonstalwart@gmail.com>
Date: Thu, 23 Apr 2015 10:35:12 -0500
Subject: [PATCH] unmarshal stddev appropriately

---
 influxql/functions.go | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/influxql/functions.go b/influxql/functions.go
index a7c4a6a84a6..d3978a452ba 100644
--- a/influxql/functions.go
+++ b/influxql/functions.go
@@ -153,6 +153,12 @@ func InitializeUnmarshaller(c *Call) (UnmarshalFunc, error) {
 			err := json.Unmarshal(b, &o)
 			return &o, err
 		}, nil
+	case "stddev":
+		return func(b []byte) (interface{}, error) {
+			val := make([]float64, 0)
+			err := json.Unmarshal(b, &val)
+			return val, err
+		}, nil
 	default:
 		return func(b []byte) (interface{}, error) {
 			var val interface{}
@@ -397,9 +403,7 @@ func ReduceStddev(values []interface{}) interface{} {
 		if value == nil {
 			continue
 		}
-		for _, val := range value.([]float64) {
-			data = append(data, val)
-		}
+		data = append(data, value.([]float64)...)
 	}
 
 	// If no data or we only have one point, it's nil or undefined