| From: | Corey Huinker <corey(dot)huinker(at)gmail(dot)com> |
|---|---|
| To: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
| Cc: | Kevin Grittner <kgrittn(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com>, Craig Ringer <craig(at)2ndquadrant(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, David Fetter <david(at)fetter(dot)org>, Kevin Grittner <kgrittn(at)ymail(dot)com>, Amit Khandekar <amit(dot)khandekar(at)enterprisedb(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: delta relations in AFTER triggers |
| Date: | 2017-04-13 02:59:00 |
| Message-ID: | CADkLM=fPJnuZNVQWy1YygZ5=PeuamAvrrDqF3XGW2+=BdRBUiw@mail.gmail.com |
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| Lists: | pgsql-hackers |
>
> Great. Thanks. I wonder if there is some way we can automatically
> include code fragments in the documentation without keeping them in
> sync manually.
>
>
In whatever extra docs you add, could you include an example of an INSERT
ON CONFLICT, and potentially a CTE query that does two operations on the
same table. I'm not clear on what to expect when a statement does a mix of
INSERT, UPDATE, and DELETE? Will there be multiple firings of the trigger
in a single statement, or will the before/after sets be mashed together
regardless of which part of the query generated it?
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