From: Dmitry Tkach <dmitry@openratings.com>
To: Rado Petrik <r.p@szm.sk>
Cc: pgsql-sql@postgresql.org
Subject: Re: Using & - operator
Date: Mon, 02 Jun 2003 10:31:33 -0400
Message-ID: <3EDB5FC5.7070809@openratings.com> (raw)
In-Reply-To: <1054560854.622.14.camel@caj>
References: <1054560854.622.14.camel@caj>
Rado Petrik wrote:
>Hi,
>
>I have table users;
>
>id name bin
>--------------
> 1 xx 9
>
>dec(1) & dec(9) = dec(1)
>bin(0001) & bin(1001) = bin(0001)
>
>This query is bad.
>
>SELECT name FROM users WHERE id_user=1 AND (bin & 1)
>
>This query return
>"Warning: PostgreSQL query failed: ERROR: right- hand side of AND is
>type 'integer', not 'boolean' in"
>
>
I think, you want:
... AND (bin & 1) = 1
just bin&1 returns an *integer*, and you need a *boolean* expression for
your criteria.
I hope, it helps...
Dima
>Wow I write corect this query ?
>
>Thanks.
>
>
>
>
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To: pgsql-sql@postgresql.org
Cc: dmitry@openratings.com, r.p@szm.sk
Subject: Re: Using & - operator
In-Reply-To: <3EDB5FC5.7070809@openratings.com>
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