Add some utils methods stolen from hood

sql.go

@@ -51,7 +51,7 @@ func (s *Orm) query(out interface{}) {
 		columns, _ := rows.Columns()
 		var values []interface{}
 		for _, value := range columns {
-			values = append(values, dest.FieldByName(value).Addr().Interface())
+			values = append(values, dest.FieldByName(snakeToUpperCamel(value)).Addr().Interface())
 		}
 		s.Error = rows.Scan(values...)
 	}

utils.go

@@ -1,6 +1,7 @@
 package gorm
 
 import (
+	"bytes"
 	"fmt"
 	"reflect"
 	"strings"
@@ -12,7 +13,7 @@ func modelValues(m interface{}) (columns []string, values []interface{}) {
 	for i := 0; i < typ.NumField(); i++ {
 		p := typ.Field(i)
 		if !p.Anonymous {
-			columns = append(columns, p.Name)
+			columns = append(columns, toSnake(p.Name))
 			value := reflect.ValueOf(m).Elem().FieldByName(p.Name)
 			values = append(values, value.Interface())
 		}
@@ -34,6 +35,43 @@ func quoteMap(values []string) (results []string) {
 	}
 	return
 }
+func toSnake(s string) string {
+	buf := bytes.NewBufferString("")
+	for i, v := range s {
+		if i > 0 && v >= 'A' && v <= 'Z' {
+			buf.WriteRune('_')
+		}
+		buf.WriteRune(v)
+	}
+	return strings.ToLower(buf.String())
+}
+
+func interfaceToSnake(f interface{}) string {
+	t := reflect.TypeOf(f)
+	for {
+		c := false
+		switch t.Kind() {
+		case reflect.Array, reflect.Chan, reflect.Map, reflect.Ptr, reflect.Slice:
+			t = t.Elem()
+			c = true
+		}
+		if !c {
+			break
+		}
+	}
+	return toSnake(t.Name())
+}
+
+func snakeToUpperCamel(s string) string {
+	buf := bytes.NewBufferString("")
+	for _, v := range strings.Split(s, "_") {
+		if len(v) > 0 {
+			buf.WriteString(strings.ToUpper(v[:1]))
+			buf.WriteString(v[1:])
+		}
+	}
+	return buf.String()
+}
 
 func debug(value interface{}) {
 	fmt.Printf("***************\n")