;[EMAIL PROTECTED]>
To: "Brian Tully" <[EMAIL PROTECTED]>, "Jay Blanchard"
<[EMAIL PROTECTED]>, " PHP" <[EMAIL PROTECTED]>
Subject: Re: [PHP] is there a more efficient query?
Date: Fri, 6 Aug 2004 09:48:29 -0700
your only getting one row be
[snip]
but that only seems to return the first value. how should I be calling
the
results?
...
do i need to do a while loop and create an array or something?
[/snip]
Yes, loop through the result set using either while or for.
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your only getting one row beucase your only pulling one row from the
array. You need to loop thru the rows to grab them all.
Jason
Brian Tully <[EMAIL PROTECTED]> wrote:
>
> on 8/6/04 12:28 PM, Jay Blanchard at [EMAIL PROTECTED]
> wrote:
>
> > [snip]
> > Tis SQL
> >
> > SELECT value
>
I would use IN, or even BETWEEN if there exists such a function...
Jay's example is much cleaner and readable.
Jason
"Jay Blanchard" <[EMAIL PROTECTED]> wrote:
>
> [snip]
> Tis SQL
>
> SELECT value
> FROM element_values
> WHERE user = $user_id
> AND(element=48
> OR element=52
> OR an
on 8/6/04 12:28 PM, Jay Blanchard at [EMAIL PROTECTED]
wrote:
> [snip]
> Tis SQL
>
> SELECT value
> FROM element_values
> WHERE user = $user_id
> AND(element=48
> OR element=52
> OR and so on)
> [/snip]
>
> You can also use IN
>
> SELECT value
> FROM element_values
> WHERE user = $use
[snip]
Tis SQL
SELECT value
FROM element_values
WHERE user = $user_id
AND(element=48
OR element=52
OR and so on)
[/snip]
You can also use IN
SELECT value
FROM element_values
WHERE user = $user_id
AND element IN ('48', '52',...)
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Hi Brian,
Assuming you have mysql 4.0.0 or up, I think the following query should do you:
$query2 = "(SELECT value FROM element_values WHERE element=48 AND user=$user_id)
UNION (SELECT value FROM element_values WHERE element=49 AND user=$user_id)
UNION (SELECT value FROM element_v
[snip]
$query2 = "SELECT value FROM element_values WHERE element=48 AND
user=$user_id";
$result2 = mysql_query($query2) or die("could not $query2 " .
mysql_error());
list($username) = mysql_fetch_row($result2);
[/snip]
Tis SQL
SELECT value
FROM element_values
WHERE user = $user_id
AND(ele
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