On Tue, Jul 27, 2010 at 7:33 PM, David Fetter <da...@fetter.org> wrote:
>        Minor quibble with the regression tests: should we be using
>        dollar quotes in things like this?  Doubled-up quote marks:
>
>        SELECT xpath_exists('//town[text() = 
> ''Cwmbran'']','<towns><town>Bidford-on-Avon</town><town>Cwmbran</town><town>Bristol</town></towns>'::xml);
>
>        Dollar quote:
>
>        SELECT xpath_exists($$//town[text() = 
> 'Cwmbran']$$,'<towns><town>Bidford-on-Avon</town><town>Cwmbran</town><town>Bristol</town></towns>'::xml);

Personally, I don't really see that as an improvement.  Dollar-quotes
are really nice for longer strings, or where you would otherwise have
quadrupled quotes (or more), but I don't see a big advantage to it
here.  Still, it's a question of opinion more than anything else.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company

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