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From: Tom Lane <tgl@sss.pgh.pa.us>
To: p.sun.fun@gmail.com
cc: pgsql-sql@lists.postgresql.org
Subject: Re: libpq CREATE DATABASE operation from multiple treads
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Comments: In-reply-to p.sun.fun@gmail.com
	message dated "Thu, 08 Oct 2020 15:04:24 -0500"
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p.sun.fun@gmail.com writes:
> Thanks for the quick response. In the function that I execute in each
> thread, I create a new PGconn at the beginning. I expect that every
> function caller (thread) should use a unique PGconn. I would not expect
> that PGconn can be shared between threads. The documentation explicitly
> says that.

In that case you need to probe a little deeper.  What error message(s)
are you getting?  Is there anything relevant in the server's log?

			regards, tom lane