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From Muhammad Gelbana <>
Subject Re: calcite close connection
Date Mon, 27 May 2019 08:50:31 GMT
I assume you're openning the connection to the underlying databases while
getting metadata (schemas/tables/columns) and scanning those tables only. I
believe you'll have to review your connection cleanup there.

AFAIK, Calcite doesn't know about your underlying connections.


On Mon, May 27, 2019 at 5:39 AM 勾王敏浩 <> wrote:

> Hi,
> I am currently using calcite to access postgre and other relational
> databases. But throws the exception "too many clients". While I have closed
> the calciteConnection after performing the operation. I want to know if the
> connections to the underlying databases have been closed after the
> connection of calcite has been closed. Thank you.
> Best,
> Wangminhao Gou

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