Re: "SQL" REPLACE SYNTAX

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От Manuel Lemos
Тема Re: "SQL" REPLACE SYNTAX
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Msg-id 3C4E3E7A.A48929A4@acm.org
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Ответ на "SQL" REPLACE SYNTAX  ("Christopher Kings-Lynne" <chriskl@familyhealth.com.au>)
Ответы Re: "SQL" REPLACE SYNTAX
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Hello,

Christopher Kings-Lynne wrote:
>
> > We can discuss names, till the cows come home, but basically Manuel
> > described what he meant. The "replace" functionality is one of the few
> > things I liked of MySQL when I researched which dB to go with. The fact
> > that this layer can abstract the functionality is a great point in my
> > opinion.
>
> Here's an idea:  look at their code to see what kind of SQL jiggery pokery
> they needed to implement it and then implement it ourselves...
>
> BTW, from my estimates you'd need at least 4 - 6 sql queries to simulate the
> REPLACE syntax for Postgres, so why on earth would you use it?

Actually only two: a SELECT and a depending on that, a INSERT or an
UPDATE. You may want to try to look at Metabase implementation to see
how it works.

Regards,
Manuel Lemos

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