Hi, I checked the code, it is NOT a bug, just removing the last else-if clause will solve it.
-- Jialin Qiao School of Software, Tsinghua University 乔嘉林 清华大学 软件学院 > -----原始邮件----- > 发件人: "Xiangdong Huang" <[email protected]> > 发送时间: 2019-09-17 08:53:17 (星期二) > 收件人: [email protected], [email protected] > 抄送: > 主题: Re: [jira] [Created] (IOTDB-210) One else if branch will never be reached > in the method optimize of ExpressionOptimizer > > Hi, > > Is it a bug? or just removing the last else-if clause will solve it? Jinrui > may know more about that. > > Best, > ----------------------------------- > Xiangdong Huang > School of Software, Tsinghua University > > 黄向东 > 清华大学 软件学院 > > > Yuan Tian (Jira) <[email protected]> 于2019年9月12日周四 上午10:01写道： > > > Yuan Tian created IOTDB-210: > > ------------------------------- > > > > Summary: One else if branch will never be reached in the > > method optimize of ExpressionOptimizer > > Key: IOTDB-210 > > URL: https://issues.apache.org/jira/browse/IOTDB-210 > > Project: Apache IoTDB > > Issue Type: Bug > > Reporter: Yuan Tian > > > > > > The code has been shown in the following. As we can see, the condition in > > the last else if, if 'left.getType() == ExpressionType.SERIES && > > right.getType() == ExpressionType.SERIES' is true, the condition in the > > previous else if which is 'left.getType() != ExpressionType.GLOBAL_TIME&& > > right.getType() != ExpressionType.GLOBAL_TIME' must be true. Thus, the last > > else if code block will never be executed. > > > > > > {code:java} > > else if (left.getType() != ExpressionType.GLOBAL_TIME > > && right.getType() != ExpressionType.GLOBAL_TIME) { > > .... > > } else if (left.getType() == ExpressionType.SERIES > > && right.getType() == ExpressionType.SERIES) { > > ... > > }{code} > > > > > > > > > > -- > > This message was sent by Atlassian Jira > > (v8.3.2#803003) > >
