kangkaisen opened a new issue #1220: VariableMgr flag could be simplified URL: https://github.com/apache/incubator-doris/issues/1220 I think the following three flags could simplify to one flag `GLOBAL_MODIFY_ONLY`, which means the variable could only modify in global level, if a variable no any flag, which could modify in global level and session level both. ``` // variable have this flag means that every session have a copy of this variable, // and can modify its own variable. public static final int SESSION = 1; // Variables with this flag have only one instance in one process. public static final int GLOBAL = 2; // Variables with this flag only exist in each session. public static final int SESSION_ONLY = 4; ```
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