add go mysql redis sample

Signed-off-by: vishal979 <shantapowertech2@gmail.com>

go-mysql-redis/vendor/gopkg.in/redis.v5/internal/proto/scan.go

@@ -0,0 +1,131 @@
+package proto
+
+import (
+	"encoding"
+	"fmt"
+	"reflect"
+
+	"gopkg.in/redis.v5/internal"
+)
+
+func Scan(b []byte, v interface{}) error {
+	switch v := v.(type) {
+	case nil:
+		return internal.RedisError("redis: Scan(nil)")
+	case *string:
+		*v = internal.BytesToString(b)
+		return nil
+	case *[]byte:
+		*v = b
+		return nil
+	case *int:
+		var err error
+		*v, err = atoi(b)
+		return err
+	case *int8:
+		n, err := parseInt(b, 10, 8)
+		if err != nil {
+			return err
+		}
+		*v = int8(n)
+		return nil
+	case *int16:
+		n, err := parseInt(b, 10, 16)
+		if err != nil {
+			return err
+		}
+		*v = int16(n)
+		return nil
+	case *int32:
+		n, err := parseInt(b, 10, 32)
+		if err != nil {
+			return err
+		}
+		*v = int32(n)
+		return nil
+	case *int64:
+		n, err := parseInt(b, 10, 64)
+		if err != nil {
+			return err
+		}
+		*v = n
+		return nil
+	case *uint:
+		n, err := parseUint(b, 10, 64)
+		if err != nil {
+			return err
+		}
+		*v = uint(n)
+		return nil
+	case *uint8:
+		n, err := parseUint(b, 10, 8)
+		if err != nil {
+			return err
+		}
+		*v = uint8(n)
+		return nil
+	case *uint16:
+		n, err := parseUint(b, 10, 16)
+		if err != nil {
+			return err
+		}
+		*v = uint16(n)
+		return nil
+	case *uint32:
+		n, err := parseUint(b, 10, 32)
+		if err != nil {
+			return err
+		}
+		*v = uint32(n)
+		return nil
+	case *uint64:
+		n, err := parseUint(b, 10, 64)
+		if err != nil {
+			return err
+		}
+		*v = n
+		return nil
+	case *float32:
+		n, err := parseFloat(b, 32)
+		if err != nil {
+			return err
+		}
+		*v = float32(n)
+		return err
+	case *float64:
+		var err error
+		*v, err = parseFloat(b, 64)
+		return err
+	case *bool:
+		*v = len(b) == 1 && b[0] == '1'
+		return nil
+	case encoding.BinaryUnmarshaler:
+		return v.UnmarshalBinary(b)
+	default:
+		return fmt.Errorf(
+			"redis: can't unmarshal %T (consider implementing BinaryUnmarshaler)", v)
+	}
+}
+
+func ScanSlice(data []string, slice interface{}) error {
+	v := reflect.ValueOf(slice)
+	if !v.IsValid() {
+		return fmt.Errorf("redis: ScanSlice(nil)")
+	}
+	if v.Kind() != reflect.Ptr {
+		return fmt.Errorf("redis: ScanSlice(non-pointer %T)", slice)
+	}
+	v = v.Elem()
+	if v.Kind() != reflect.Slice {
+		return fmt.Errorf("redis: ScanSlice(non-slice %T)", slice)
+	}
+
+	for i, s := range data {
+		elem := internal.SliceNextElem(v)
+		if err := Scan([]byte(s), elem.Addr().Interface()); err != nil {
+			return fmt.Errorf("redis: ScanSlice(index=%d value=%q) failed: %s", i, s, err)
+		}
+	}
+
+	return nil
+}