bug fixed and improved IsTableExist

engine.go

@@ -784,13 +784,19 @@ func (engine *Engine) IsTableEmpty(bean interface{}) (bool, error) {
 // If a table is exist
 func (engine *Engine) IsTableExist(bean interface{}) (bool, error) {
 	v := rValue(bean)
-	if v.Type().Kind() != reflect.Struct {
+	var tableName string
+	if v.Type().Kind() == reflect.String {
+		tableName = bean.(string)
+	} else if v.Type().Kind() == reflect.Struct {
+		table := engine.autoMapType(v)
+		tableName = table.Name
+	} else {
 		return false, errors.New("bean should be a struct or struct's point")
 	}
-	table := engine.autoMapType(v)
+
 	session := engine.NewSession()
 	defer session.Close()
-	has, err := session.isTableExist(table.Name)
+	has, err := session.isTableExist(tableName)
 	return has, err
 }
 

examples/sync.go

@@ -88,6 +88,17 @@ func main() {
 		_, err = Orm.Insert(user)
 		if err != nil {
 			fmt.Println(err)
+			return
+		}
+
+		isexist, err := Orm.IsTableExist("sync_user2")
+		if err != nil {
+			fmt.Println(err)
+			return
+		}
+		if !isexist {
+			fmt.Println("sync_user2 is not exist")
+			return
 		}
 	}
 }

statement.go

@@ -927,7 +927,7 @@ func (statement *Statement) genGetSql(bean interface{}) (string, []interface{})
 
 func (s *Statement) genAddColumnStr(col *core.Column) (string, []interface{}) {
 	quote := s.Engine.Quote
-	sql := fmt.Sprintf("ALTER TABLE %v ADD COLUMN %v;", quote(s.TableName()),
+	sql := fmt.Sprintf("ALTER TABLE %v ADD %v;", quote(s.TableName()),
 		col.String(s.Engine.dialect))
 	return sql, []interface{}{}
 }