From: Edmund Bacon <ebacon@onesystem.com>
To: P A <patkins2474@yahoo.com>
Cc: pete@tkins.com
Cc: pgsql-sql@postgresql.org
Subject: Re: Can someone tell me why this statement is failing?
Date: Tue, 20 Apr 2004 08:42:21 -0600
Message-ID: <408536CD.5020105@onesystem.com> (raw)
In-Reply-To: <20040419203150.77559.qmail@web41112.mail.yahoo.com>
References: <20040419203150.77559.qmail@web41112.mail.yahoo.com>
Your end time minutes is NULL, comparing NULL to anything (even NULL
itself) yields NULL so you either need to:
SELECT * FROM ... WHERE ... AND (end_time_minutes IS NULL OR
end_time_minutes <= '1082375100');
or
SELECT * FROM ... WHERE ... AND coalsece(end_time_minutes, 0) <=
'1082375100';
P A wrote:
>Can anyone tell me why this SQL statement is not
>matching with the row from the table below? I think
>I'm going mad!
>
>#####################################
>SQL Statement
>#####################################
>
>SELECT * FROM t_bell_schedule WHERE calendar_day =
>'2004-04-12' AND start_time_minutes >= '1082374200'
>AND end_time_minutes <= '1082375100';
>
>#####################################
>Current DB Data to match
>#####################################
>
> calendar_day | period_letter | start_time_minutes |
>end_time_minutes
>--------------+---------------+--------------------+------------------
> 2004-04-12 | B | 1082374440 |
> 1082377320
>
>#####################################
>DB Structure
>#####################################
>
> Column | Type |
> Modifiers
>--------------------+-----------------------------+--------------------------------------------------------------------------------
> bell_schedule_uid | integer |
>not null default
>nextval('public.t_bell_schedule_bell_schedule_uid_seq'::text)
> calendar_day | date |
> period_letter | character varying(4) |
> period | character varying(4) |
> start_time | time without time zone |
> end_time | time without time zone |
> total_minutes | integer |
> activestatus | integer |
> datecreated | timestamp without time zone |
> datemodified | timestamp without time zone |
> start_time_minutes | integer |
> end_time_minutes | integer |
>
>
>Cheers,
>Pete
>
>
>
>
>
>__________________________________
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>---------------------------(end of broadcast)---------------------------
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>
>
--
Edmund Bacon <ebacon@onesystem.com>
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To: pgsql-sql@postgresql.org
Cc: ebacon@onesystem.com, patkins2474@yahoo.com, pete@tkins.com
Subject: Re: Can someone tell me why this statement is failing?
In-Reply-To: <408536CD.5020105@onesystem.com>
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