Re: WITH x AS (...) and visibility in UPDATE
От
David Johnston
Тема
Re: WITH x AS (...) and visibility in UPDATE
Дата
Msg-id
0D33DFA4-2151-40FB-9123-62F1B63B864B@yahoo.com
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Дерево обсуждения
WITH x AS (...) and visibility in UPDATE Peter V <peterv861908@hotmail.com>
Re: WITH x AS (...) and visibility in UPDATE Merlin Moncure <mmoncure@gmail.com>
Re: WITH x AS (...) and visibility in UPDATE Peter V <peterv861908@hotmail.com>
Re: WITH x AS (...) and visibility in UPDATE Merlin Moncure <mmoncure@gmail.com>
Re: WITH x AS (...) and visibility in UPDATE Peter V <peterv861908@hotmail.com>
Re: WITH x AS (...) and visibility in UPDATE David Johnston <polobo@yahoo.com>
Re: WITH x AS (...) and visibility in UPDATE Jack Christensen <jackc@hylesanderson.edu>
> 1) create the copy of the row and return the identifier > 2) apply updates on the new row identified by the identifier returned in step 1 > > If possible, I want to write this in a single command, to avoid overhead and mistakes. > > I tried writing a rewrite rule or before trigger, but it becomes quickly a mess to avoid infinite loops. > > Any ideas are welcome. Thanks. > > Insert into table (cols) Select ... From table; As mentioned previously just modify the original row before inserting it into the table as a new record. David J.
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