ADOdb and null fields - php

Question

I'm using the last version of ADOdb PHP (5.18) to make some queries in a SQL Server database.
I select data in this way:
$rS = $localDb->Execute($sql);
if (!$rS) {
echo "Error: " . $localDb->ErrorMsg() . "\n";
}
else {
$tot = $rS->RecordCount();
echo " " . $tot . " record da inserire...\n";
while (!$rS->EOF) {
$id = $rS->fields['id'];
$field1 = $rS->fields['field1'];
$field2 = $rS->fields['field2'];
$rS->MoveNext();
}
}
All works, and I fetch data, but when a field in the database's current row is NULL, the relative element in $rS->fields has the value of the value of the last not-NULL row for the same field.
This is a big problem because I don't have correct data in the current row.
I tried search for this problem but I did not find any solution.
Coud you help me, please?

Answer 1

Look into adodb5/adodb.inc.php and find the GetRowAssoc function. It should be the following defintion:
function GetRowAssoc($upper=ADODB_ASSOC_CASE_UPPER)
{
$record = array();
if (!$this->bind) {
$this->GetAssocKeys($upper);
}
foreach($this->bind as $k => $v) {
if( array_key_exists( $v, $this->fields ) ) {
$record[$k] = $this->fields[$v];
} elseif( array_key_exists( $k, $this->fields ) ) {
$record[$k] = $this->fields[$k];
} else {
# This should not happen... trigger error ?
$record[$k] = null;
}
}
return $record;
}