Re: expressions operating on arrays

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От Oleg Bartunov
Тема Re: expressions operating on arrays
Дата
Msg-id Pine.GSO.4.44.0208091030000.20678-100000@ra.sai.msu.su
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Ответ на expressions operating on arrays  (h012@ied.com)
Список pgsql-sql
Look at contrib/intarray. You'll get an index access as a bonus
Oleg
On Fri, 9 Aug 2002 h012@ied.com wrote:

>
>
>  Hi,
>
>   I would like to say:
>
> create table test1 (array1 int4[]);
> insert into test1 values ('{123,234,345}');
> insert into test1 values ('{456,567,678}');
>
>  now what I don't know how to do:
>
> -- consider contents of array:
> select * from test1 where array1 CONTAINS 567;
>
> -- APPEND '789' to array in second row:
> update test1 set array1=(select array1 from test1 where array1 CONTAINS
> '567' UNION select '789');
>
>
>  How do I go about expressing and operating on the contents of an array ?
>
>
>     Thanks,
>
>        John
>
>
Regards,    Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83



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