Re: [HACKERS] SQL procedures - Mailing list pgsql-hackers

From Merlin Moncure
Subject Re: [HACKERS] SQL procedures
Date
Msg-id CAHyXU0yjPW-RT4VL+CxHOCaxf92rmqQVtkgfXfrtAiEHZFyQHw@mail.gmail.com
Whole thread Raw
In response to Re: [HACKERS] SQL procedures  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
Responses Re: [HACKERS] SQL procedures
List pgsql-hackers
On Wed, Nov 8, 2017 at 11:03 AM, Peter Eisentraut
<peter.eisentraut@2ndquadrant.com> wrote:
> On 11/8/17 11:11, Merlin Moncure wrote:
>> On Wed, Nov 8, 2017 at 9:13 AM, Peter Eisentraut
>> <peter.eisentraut@2ndquadrant.com> wrote:
>>> I have already submitted a separate patch that addresses these questions.
>>
>> Maybe I'm obtuse, but I'm not seeing it? In very interested in the
>> general approach to transaction management; if you've described it in
>> the patch I'll read it there.  Thanks for doing this.
>
> https://www.postgresql.org/message-id/178d3380-0fae-2982-00d6-c43100bc8748@2ndquadrant.com

All right, thanks.  So,
*) Are you sure you want to go the SPI route?  'sql' language
(non-spi) procedures might be simpler from implementation standpoint
and do not need any language adjustments?

*) Is it possible to jump into SPI without having a snapshot already
set up. For example? If I wanted to set isolation level in a
procedure, would I get impacted by this error?
ERROR:  SET TRANSACTION ISOLATION LEVEL must be called before any query

merlin


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