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) <j...@apache.org> 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) >
