Re: pg_fetch_array() - Mailing list pgsql-php

From joerg.niemann
Subject Re: pg_fetch_array()
Date
Msg-id 200212182136.WAA27213@cweb53.intern.cityweb.de
Whole thread Raw
In response to pg_fetch_array()  (Thorsten Haude <postgresql@thorstenhau.de>)
List pgsql-php
Thorsten Haude wrote:
>Hi,
>
>I want to read an unknown number of rows from a select result. I try
>this:
>- - - Schnipp - - -
>$result = pg_exec($dbh, $statement);
>$row = 0;
>while ($item = pg_fetch_array($result, $row, PGSQL_ASSOC))
>{
>    doSomething($item);
>    $row++;
>}
>- - - Schnapp - - -
>
>However, I get an error telling me that PHP is "Unable to jump to row
>[$nRows + 1] on PostgreSQL result index 3 in [$file] on line [$line]

This is a warning.
The warning occurence is the exit signal for the while statement.
If inside the while statement php is unable to jump to row x it
is the signal to exit the while statement.
Use pg_num_rows and for to avoid this.

for ($i=0; $i < pg_num_rows($result); $i++)

Joerg
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