Github user arina-ielchiieva commented on the issue: https://github.com/apache/drill/pull/685 -1 to changes after refactoring. using withSessionContext() is optional, so somebody can create a session without it's unique id (for example, for CTTAS it's not acceptable). I suggest we revert to previous design where session id is created in constructor, it's safe and transparent. And I am not sure that we need the whole new class `UserSessionContext` to hold session id. @nagarajanchinnasamy, next time you refactor your changes after PR was reviewed, I guess it's better to add these changes in separate commit, so they can be reviewed easier. You'll be asked to squash your commits when review is done.
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