Print affected rows (go-gorm#1541)

* fix better

* add the rows number that the sql result affected or returned

Author: liu-xuewen

logger.go

@@ -7,6 +7,7 @@ import (
 	"os"
 	"reflect"
 	"regexp"
+	"strconv"
 	"time"
 	"unicode"
 )
@@ -87,6 +88,7 @@ var LogFormatter = func(values ...interface{}) (messages []interface{}) {
 			}
 
 			messages = append(messages, sql)
+			messages = append(messages, fmt.Sprintf(" \n\033[36;31m[%v]\033[0m ", strconv.FormatInt(values[5].(int64), 10)+" rows affected or returned "))
 		} else {
 			messages = append(messages, "\033[31;1m")
 			messages = append(messages, values[2:]...)

main.go

@@ -702,7 +702,7 @@ func (s *DB) GetErrors() []error {
 ////////////////////////////////////////////////////////////////////////////////
 
 func (s *DB) clone() *DB {
-	db := DB{
+	db := &DB{
 		db:                s.db,
 		parent:            s.parent,
 		logger:            s.logger,
@@ -723,8 +723,8 @@ func (s *DB) clone() *DB {
 		db.search = s.search.clone()
 	}
 
-	db.search.db = &db
-	return &db
+	db.search.db = db
+	return db
 }
 
 func (s *DB) print(v ...interface{}) {
@@ -739,6 +739,6 @@ func (s *DB) log(v ...interface{}) {
 
 func (s *DB) slog(sql string, t time.Time, vars ...interface{}) {
 	if s.logMode == 2 {
-		s.print("sql", fileWithLineNum(), NowFunc().Sub(t), sql, vars)
+		s.print("sql", fileWithLineNum(), NowFunc().Sub(t), sql, vars, s.RowsAffected)
 	}
 }