Github user nagarajanchinnasamy commented on a diff in the pull request: https://github.com/apache/drill/pull/685#discussion_r93266381 --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/rpc/user/UserServer.java --- @@ -255,11 +257,12 @@ void disableReadTimeout() { getChannel().pipeline().remove(BasicServer.TIMEOUT_HANDLER); } - void setUser(final UserToBitHandshake inbound) throws IOException { + void setUser(final UserToBitHandshake inbound, Map<String, String> sessionParams) throws IOException { --- End diff -- Lets say there is an external custom authenticator.... It validates the credentials with that external system and loads contextual information from that external system. Examples: - Tenant_Id of the currently logged in user - Roles of the user logged in - Any user preference details that are loaded in the context of that external system - Etc.. User Properties, as I understood seem to be the configuration variables (E.g., drill-override.conf). These are known expected properties. Whereas Session Parameters may not be known properties.
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