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. Thanks, Gelbana On Mon, May 27, 2019 at 5:39 AM 勾王敏浩 <[email protected]> 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
