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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2015/08/11 02:43:46 UTC

[jira] [Commented] (CALCITE-836) Provide a way for the Avatica client to query the server versions

    [ https://issues.apache.org/jira/browse/CALCITE-836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14681024#comment-14681024 ] 

Julian Hyde commented on CALCITE-836:
-------------------------------------

I suggest adding a value to Meta.DatabaseProperty. The server provides all such values the first time they are needed by implementing the DatabasePropertyRequest method, and the client can access them by calling Meta.getDatabaseProperties().

> Provide a way for the Avatica client to query the server versions
> -----------------------------------------------------------------
>
>                 Key: CALCITE-836
>                 URL: https://issues.apache.org/jira/browse/CALCITE-836
>             Project: Calcite
>          Issue Type: New Feature
>          Components: avatica
>            Reporter: Holman Lan
>            Assignee: Julian Hyde
>
> Currently there doesn't seem to be a way for Avatica clients to find out the Avatica RPC protocol version and versions of other server components.
> The use case here is to allow the Apache Phoenix clients to request the Avatica version, Phoenix version and HBase version from the Phoenix Query Server.



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