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https://issues.apache.org/jira/browse/CALCITE-3114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16861808#comment-16861808
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Leo Tu commented on CALCITE-3114:
---------------------------------

(1) HTTP handshake will consume time when large SQL be executed

(2) Websocket and JDBC socket (can be mapping one to one) and work better when 
get and release transaction connection ASAP.

> Support websocket transport
> ---------------------------
>
>                 Key: CALCITE-3114
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3114
>             Project: Calcite
>          Issue Type: Wish
>            Reporter: Leo Tu
>            Priority: Minor
>
> it would be greatly improve performance.



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