Description:
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when doing a mysql_num_rows, if there are no matching rows it gives an error instead of returning 0.



Reproduce code:
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$Query = "SELECT * FROM MyTable WHERE Field1 = '1' and Field2 = '2' ";

$Result = mysql_query($Query) or die("Error101: ". mysql_error()."<BR>".$Query);

$CNT = mysql_num_rows($Result) OR DIE("Error 102: "."<BR>".mysql_error()."<BR>".$Query."<BR>");

echo "There are ".$CNT." matching results. ";


Expected result:
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$CNT should be set to '0'  and page should display

"There are 0 matching results."





Actual result:
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Error 102: 

SELECT * FROM MyTable WHERE Field1 = '1' and Field2 = '2'