Re: Triggers with DO functionality

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От Jaime Casanova
Тема Re: Triggers with DO functionality
Дата
Msg-id CAJKUy5hp-xuk3jjXPpscBdTbBiyF0egu_HjmjC04X1cixFjeTQ@mail.gmail.com
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Ответ на Re: Triggers with DO functionality  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Triggers with DO functionality  (Thom Brown <thom@linux.com>)
Список pgsql-hackers
On Fri, Feb 17, 2012 at 4:46 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
> Has anybody stopped to look at the SQL standard for this?  In-line
> trigger definitions are actually what they intend, IIRC.
>

this is what i found there

<trigger definition> ::=
  CREATE TRIGGER <trigger name> <trigger action time> <trigger event>
      ON <table name> [ REFERENCING <transition table or variable list> ]
      <triggered action>

<triggered action> ::=
  [ FOR EACH { ROW | STATEMENT } ]
      [ WHEN <left paren> <search condition> <right paren> ]
      <triggered SQL statement>

<triggered SQL statement> ::=
    <SQL procedure statement>
  | BEGIN ATOMIC { <SQL procedure statement> <semicolon> }... END

--
Jaime Casanova         www.2ndQuadrant.com
Professional PostgreSQL: Soporte 24x7 y capacitación


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