Re: Patch for cursor calling with named parameters

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От Cédric Villemain
Тема Re: Patch for cursor calling with named parameters
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Msg-id CAF6yO=066NxvXn40+5jUwY_wPHkQuY0fFfbjbYfRrdhCY4_dZw@mail.gmail.com
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Ответ на Patch for cursor calling with named parameters  (Yeb Havinga <yebhavinga@gmail.com>)
Ответы Re: Patch for cursor calling with named parameters
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2011/9/15 Yeb Havinga <yebhavinga@gmail.com>:
> Hello list,
>
> The following patch implements cursor calling with named parameters in
> addition to the standard positional argument lists.
>
> c1 cursor (param1 int, param2 int) for select * from rc_test where a >
> param1 and b > param2;
> open c1($1, $2);                     -- this is currently possible
> open c1(param2 := $2, param1 := $1); -- this is the new feature
>
> Especially for cursors with a lot of arguments, this increases readability
> of code. This was discussed previously in
> http://archives.postgresql.org/pgsql-hackers/2010-09/msg01433.php. We
> actually made two patches: one with => and then one with := notation.
> Attached is the patch with := notation.
>
> Is it ok to add it to the next commitfest?

I think it is, as you have provided a patch.

There exist also a mecanism to order the parameters of  'EXECUTE ...
USING ...'  (it's using a cursor), can the current work benefit to
EXECUTE USING to use named parameters ?



> regards,
> Yeb Havinga, Willem Dijkstra
>
> --
> Yeb Havinga
> http://www.mgrid.net/
> Mastering Medical Data
>
>
>
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>



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