Re: [SQL] querying array

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От
Jose' Soares Da Silva
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Re: [SQL] querying array
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Pine.LNX.3.96.980609145010.2779A-100000@proxy.bazzanese.com
Ответ на
querying array (Dim Zegebart)
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querying array Dim Zegebart <zager@post.comstar.ru>
Re: [SQL] querying array "Jose' Soares Da Silva" <sferac@bo.nettuno.it>
On Tue, 9 Jun 1998, Dim Zegebart wrote:

> Hi,
> is there any way to do selection from table by testing array attribute
> for
> presence of defined value ?
> SQL speaking :
> create tabel foo(n int2[]);
> insert into foo (n) values('{1,2,3}');
> insert into foo (n) values('{4,7,8,5}');
> insert into foo (n) values('{4,5}');
> //now I want to select only exeplars with n containing '5'. It should be
> second and third records :
> select * from foo where foo.n?????
> //That I shoud type next ?
> 
select * from foo where foo.n[1]=5 or foo.n[2]=5 or foo.n[4]=5;
n
---------
{4,7,8,5}
{4,5}
(2 rows)
                                Jose'

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