Re: Trigger position - Mailing list pgsql-hackers

From Euler Taveira
Subject Re: Trigger position
Date
Msg-id bf7292b9-7cf3-43f8-8676-df2a1f47d716@www.fastmail.com
Whole thread Raw
In response to Re: Trigger position  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
Responses Re: Trigger position  (Pavel Stehule <pavel.stehule@gmail.com>)
Re: Trigger position  (Marcos Pegoraro <marcos@f10.com.br>)
List pgsql-hackers
On Wed, Sep 15, 2021, at 10:51 AM, Alvaro Herrera wrote:
In a computer system, alphabet letters are just a different way to
present numbers, so you just choose ASCII letters that match what you
want.  You can use "AA_first_trigger", "BB_second_trigger",
"AB_nope_this_is_second" and you'll be fine; you can do
"AAB_oops_really_second" afterwards, and so on.  The integer numbering
system doesn't seem very useful/flexible when seen in this light.
... or renumber all trigger positions in a single transaction. I agree that
letters are more flexible than numbers but some users are number-oriented.

I'm afraid an extra mechanism to determine the order to fire triggers will
confuse programmers if someone decides to use both. Besides that, we have to
expend a few cycles to determine the exact trigger execution order.


--
Euler Taveira

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