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 <guoguan...@qq.com.invalid> 于2022年6月21日周二 10:14写道: > 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: > *** (3 asterisks) - 0 or one or more layers > > Scheme 2, use more common syntax: > a special symbol (such as $, or someone else) - 0 or 1 layer > $* - 0 or 1 or more layers > > JIRA: https://issues.apache.org/jira/browse/IOTDB-3450 > > Any ideas? > > > > guoguan...@qq.com >