On 04/27/2018 07:25 AM, a wrote:
Yep, I wanna pass the brief reason of manipulating(update, insert or
https://www.postgresql.org/docs/10/static/trigger-interface.html
"
tg_event
Describes the event for which the function is called. You can use
the following macros to examine tg_event
...
TRIGGER_FIRED_BY_UPDATE(tg_event)
Returns true if the trigger was fired by an UPDATE command.
"
delete), name and password of the manipulator (This might be done by
database itself).
As for user:
https://www.postgresql.org/docs/10/static/functions-info.html
"current_user name user name of current execution context"
Password?:
https://www.postgresql.org/docs/10/static/view-pg-shadow.html
Though if you are using password encryption it will be encrypted.
------------------ Original ------------------
*From:* "Adrian Klaver";
*Date:* Friday, Apr 27, 2018 10:16 PM
*To:* "a"<372660...@qq.com>; "pgsql-general";
*Subject:* Re: Parameter passing in trigger function write in C
On 04/26/2018 06:48 PM, a wrote:
> hey thanks mate, I have red that. But the actual data retirement seems
> to be combination of that and the SPI_get* functions. I'm still testing
> on it. By the way, if I can pass parameters that is out of the scope of
> sql statement??
Can you be more specific about what parameters you are looking to pass in?
>
>
> ------------------ Original ------------------
> *From:* "Adrian Klaver";
> *Date:* Friday, Apr 27, 2018 9:36 AM
> *To:* "a"<372660...@qq.com <mailto:372660...@qq.com>>; "pgsql-general";
> *Subject:* Re: Parameter passing in trigger function write in C
>
> On 04/26/2018 06:13 PM, a wrote:
> > Hey everyone:
> >
> > I was request to write a trigger that perform the following function:
> >
> > 1, The trigger will be set to exam all statement that will result
change
> > of datas
> >
> > 2, The trigger will exam three information other than the data updated
> > or inserted: user name, password and reasons of change
> >
> > 3, It will record down, in some format, the time and content of the
> change.
> >
> > Therefore, I would need some way of passing parameters into the
trigger
> > function. Can anyone give me some instructions on how to do it or,
if it
> > is possible??
>
> https://www.postgresql.org/docs/10/static/trigger-interface.html
<https://www.postgresql.org/docs/10/static/trigger-interface.html>
> <https://www.postgresql.org/docs/10/static/trigger-interface.html>
<https://www.postgresql.org/docs/10/static/trigger-interface.html>>;
>
>
> --
> Adrian Klaver
> adrian.kla...@aklaver.com <mailto:adrian.kla...@aklaver.com>
<mailto:adrian.kla...@aklaver.com <mailto:adrian.kla...@aklaver.com>>
--
Adrian Klaver
adrian.kla...@aklaver.com <mailto:adrian.kla...@aklaver.com>
--
Adrian Klaver
adrian.kla...@aklaver.com
