Re: proposal: schema variables

Pavel Stehule <pavel.stehule@gmail.com>

From: Pavel Stehule <pavel.stehule@gmail.com>
To: DUVAL REMI <REMI.DUVAL@cheops.fr>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Cc: "phb07@apra.asso.fr" <phb07@apra.asso.fr>
Date: 2020-03-20T08:28:22Z
Lists: pgsql-hackers, pgsql-performance

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Move WAL sequence code into its own file

  2. Add ExplainState argument to pg_plan_query() and planner().

  3. Don't include access/htup_details.h in executor/tuptable.h

  4. Refactor to avoid code duplication in transformPLAssignStmt.

  5. Avoid including commands/dbcommands.h in so many places

  6. Restrict psql meta-commands in plain-text dumps.

  7. Split func.sgml into more manageable pieces

  8. Fix squashing algorithm for query texts

  9. EXPLAIN: Always use two fractional digits for row counts.

  10. Preliminary refactoring of plpgsql expression construction.

  11. plpgsql: pure parser and reentrant scanner

  12. Add some sanity checks in executor for query ID reporting

  13. Fix misleading error message context

  14. Add macros for looping through a List without a ListCell.

Attachments

pá 20. 3. 2020 v 8:18 odesílatel Pavel Stehule <pavel.stehule@gmail.com>
napsal:

>
>
> čt 19. 3. 2020 v 10:43 odesílatel DUVAL REMI <REMI.DUVAL@cheops.fr>
> napsal:
>
>> Hello
>>
>>
>>
>> I played around with the ALTER VARIABLE statement to make sure it’s OK
>> and it seems fine to me.
>>
>>
>>
>> Another last thing before commiting.
>>
>>
>>
>> I agree with Thomas Vondra, that this part might/should be simplified :
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>>
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>> [ { ON COMMIT DROP | ON { TRANSACTIONAL | TRANSACTION } END RESET } ]
>>
>>
>>
>> I would only allow “ON TRANSACTION END RESET”.
>>
>> I think we don’t need both here.
>>
>> Philippe Beaudoin was indeed talking about the TRANSACTIONAL keyword, but
>> that would have make sense (and I think that’s what he meant) , if you
>> could do something like “CREATE [NON] TRANSACTIONAL VARIABLE …”.
>>
>> But here I don’t think that the ON TRANSACTIONAL END RESET has any sense
>> in English, and it only complicates the syntax.
>>
>>
>>
>> Maybe Thomas Vondra (if it’s him) would be more inclined to commit the
>> patch if it has this more simple syntax has he requested.
>>
>>
>>
>> What do you think ?
>>
>
> I removed TRANSACTIONAL from this clause, see attachement change.diff
>
> Updated patch attached.
>
> I hope it would be the last touch, making it fully ready for a commiter.
>>
>
> Thank you very much for review and testing
>

documentation fix



> Pavel
>
>>