修复了使用in子句查询数据库时列表为空时发生的错误.

grmi/grmi.go

@@ -93,7 +93,11 @@ func IsNotNull(predicate Predicate) string {
 }
 
 func Include(predicate Predicate) string {
-	return fmt.Sprintf(" and %s in (%s)", predicate.ColumnName, strings.Join(RepeatStrings("?", len(predicate.Values)), ","))
+	if predicate.Values != nil && len(predicate.Values) > 0 {
+		return fmt.Sprintf(" and %s in (%s)", predicate.ColumnName, strings.Join(RepeatStrings("?", len(predicate.Values)), ","))
+	} else {
+		return " and 1 <> 1"
+	}
 }
 
 func Exclude(predicate Predicate) string {