Re: pg_result - Mailing list pgsql-php

From Andrew McMillan
Subject Re: pg_result
Date
Msg-id 1043220382.3073.183.camel@kant.mcmillan.net.nz
Whole thread Raw
In response to pg_result  (ryanne cruz <ryanne.cruz@up.edu.ph>)
List pgsql-php
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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