Re: pg_result

From: Andrew McMillan <andrew(at)catalyst(dot)net(dot)nz>
To: ryanne cruz <ryanne(dot)cruz(at)up(dot)edu(dot)ph>
Cc: pgsql-php(at)postgresql(dot)org
Subject: Re: pg_result
Date: 2003-01-22 07:26:22
Message-ID: 1043220382.3073.183.camel@kant.mcmillan.net.nz
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On Wed, 2003-01-22 at 19:18, ryanne cruz wrote:
> hi list.
>
> this is my script:
>
> $query7="select provinceid from province where province like '$tablename1';";
> $result7=pg_exec($conn,$query7);
> if(!$result7){
> .
> .
> .}
> else {
> .
> .
> .
> }
>
> my problem is when the value of the variable $tablename1 is not on the table
> province, it doesn't go to the if statements. what am i doing wrong?

You need to test for the number of rows returned. The $result7 is
simply true because the statement worked (it was syntactically correct)
even though no rows are returned.

if ( $result7 && pg_NumRows($result7) > 0 ) {
... process some rows ...
}
else {
... this might be an error ...
}

Regards,
Andrew.
>
> thanks!
>
>
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