Re: BUG #17434: CREATE/DROP DATABASE can be executed in the same transaction with other commands

"David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> writes:
> That leaves us with changing the documentation then, from:
> CREATE DATABASE cannot be executed inside a transaction block.
> to:
> CREATE DATABASE cannot be executed inside an explicit transaction block (it
> will error in this case), and will commit (or rollback on failure) any
> implicit transaction it is a part of.

That's not going to help anybody unless we also provide a definition of
"implicit transaction", which is a bit far afield for that man page.

I did miss a bet in the proposed pipeline addendum, though.
I should have written

... However, there
are a few DDL commands (such as <command>CREATE DATABASE</command>)
that cannot be executed inside a transaction block. If one of
these is executed in a pipeline, it will, upon success, force an
immediate commit to preserve database consistency.

That ties the info to our standard wording in the per-command man
pages.

regards, tom lane