layers, * stands for *{1}
Thanks.
Guanfei Guo
From: Eric Pai
Date: 2022-06-21 17:13
To: dev@iotdb.apache.org
Subject: Re: Support new path pattern: 0 or more layers
I think we may meet the requirements of matching 0-1 level in the future, then
*** may be not a good design.
As a single * stands
I think we may meet the requirements of matching 0-1 level in the future, then
*** may be not a good design.
As a single * stands for exactly 1 level now, we can define *{start, end} to
[start, end) levels, {x} to exactly x levels and {*} to arbitrary levels, where
** is just a short
Hi,
- if only for 0 or more layers, I opt for ***
- if we want to define a clear range of layers, I opt for *{start, end} or
**{start, end}
---
Xiangdong Huang
School of Software, Tsinghua University
黄向东
清华大学 软件学院
guoguan...@qq.com.INVALID 于2022年6月21日周二
Hi guys!
Now IoTDB supports the following path patterns:
* (1 asterisk) - one layer
** (2 asterisks) - one or more layers
We need to support a new path pattern: 0 or one or more layers, there are
some optional schemes:
Scheme 1, support it directly with a specific syntax:
