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From: Tom Lane <tgl@sss.pgh.pa.us>
To: "=?gb18030?B?Mzk2OTM0NDA2?=" <396934406@qq.com>
cc: "=?gb18030?B?cGdzcWwtYnVncw==?=" <pgsql-bugs@lists.postgresql.org>
Subject: Re: ERROR: CREATE DATABASE cannot be executed within a pipeline
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Comments: In-reply-to "=?gb18030?B?Mzk2OTM0NDA2?=" <396934406@qq.com>
	message dated "Sat, 20 May 2023 10:06:43 +0800"
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"=?gb18030?B?Mzk2OTM0NDA2?=" <396934406@qq.com> writes:
> When executing DROP DATABASE or CREATE DATABASE statements in JDBC,
> other statements cannot be included

This restriction is intentional.  Previous versions failed to enforce it
fully, but you were at serious hazard of problems, up to and including
database corruption, if you exploited the missing check.

			regards, tom lane