Обсуждение: Order of triggers and sequences...

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Order of triggers and sequences...

От
Alex Mayrhofer
Дата:
Hi,

i'm about to implement a trigger on a table with an id field populated by a
sequence (the usual 'id SERIAL NOT NULL PRIMARY KEY').

Just a short (probably lame) question: Would a "BEFORE INSERT" row level
trigger already see a populated 'id' column, or would that happen after all
triggers on the actual insert?

thanks,

Alex


Re: Order of triggers and sequences...

От
Terry Lee Tucker
Дата:
On Saturday 29 April 2006 08:34 am, Alex Mayrhofer <axelm@nona.net> thus
communicated:
--> Hi,
-->
--> i'm about to implement a trigger on a table with an id field populated by
 a --> sequence (the usual 'id SERIAL NOT NULL PRIMARY KEY').
-->
--> Just a short (probably lame) question: Would a "BEFORE INSERT" row level
--> trigger already see a populated 'id' column, or would that happen after
 all --> triggers on the actual insert?
-->
--> thanks,
-->
--> Alex
-->

In my experience, all the triggers see all the data all the time in varying
combinations of the OLD and NEW buffers.