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Posted by Paul Lautman on 11/08/07 20:45
Steve wrote:
> "Captain Paralytic" <paul_lautman@yahoo.com> wrote in message
> news:1194534736.193031.304830@q5g2000prf.googlegroups.com...
>> On 8 Nov, 14:13, jc...@lycos.com wrote:
>>> $query = "SELECT DISTINCT names
>>> FROM $table
>>> Order by names";
>>> $result = mysql_query($query);
>>>
>>> In the code above, 'Order by' works very well when not used in
>>> conjunction with other query-able items but how about when used in
>>> a query where other possible choices are included? How do I use
>>> 'Order by' in the query below where it will only act on 'names'
>>> when "All" is
>>> selected and otherwise, not really be active during the query as in
>>> the code below? I'm using PHP to access MySQL. Thanks
>>>
>>> $query = "SELECT *
>>> FROM $table
>>> WHERE 1 = 1 ";
>>> if($year != "All") $query .= "and year = '".$year."'";
>>> if($status != "All") $query .= "and status = '".
>>> $status."'";
>>> if($names != "All") $query .= "and names = '".$names."'";
>>> $result = mysql_query($query);
>>
>> ORDER BY names
>
> just a note about legibility here...
>
> $sql[] = "
> SELECT *
> FROM " . $table . "
> WHERE 1 = 1
> ";
> if ($year != 'ALL')
> {
> $sql[] = " AND year = '" . $year . "'";
> }
> if ($status != 'ALL')
> {
> $sql[] = " AND status = '" . $status. "'";
> }
> if ($names != 'ALL')
> {
> $sql[] = " AND names = '" . $names. "'";
> }
> $sql = implode("\r\n", $sql);
>
> that avoide the problem of forgetting to put a space between the if'd
> conditions/criterion. note, i put the spaces before 'and' simply so
> that when i go to debug the current sql being run, it echos nice and
> formatted in the browser.
Please learn to post replies to the correct post. I do not need advise on
formatting, the OP may do!
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