Horton

Re: Add PortalDrop in exec_execute_message

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: Yura Sokolov <y.sokolov@postgrespro.ru>, pgsql-hackers@lists.postgresql.org
Date: 2021-06-07T22:15:49Z
Lists: pgsql-hackers 
Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> On 2021-Jun-07, Alvaro Herrera wrote:
>> The attached patch does it.  Any opinions?

> Eh, really attached.

No particular objection.  I'm not sure this will behave quite the
same as simple-Query in error cases, but probably it's close enough.

I'm still wondering though why Yura is observing resources remaining
held by an executed-to-completion Portal.  I think investigating that
might be more useful than tinkering with pipeline mode.

			regards, tom lane

Commits

  1. Add 'Portal Close' message to pipelined PQsendQuery()

  2. Shut down EvalPlanQual machinery when LockRows node reaches the end.

  3. Update libpq to make new features of FE/BE protocol available to

  4. Extended query protocol: parse, bind, execute, describe FE/BE messages.