Question

Adding some php/mysql database queries to a site, and not sure how to structure this one.

The table looks like:

memberid    1111    1112    1119    1349    1350...
1           1       1       0       0       0
2           0       1       1       0       0
3           1       1       0       0       1
...

The column names (1111 etc.) are video id’s, and the the zero’s and ones represent whether that member has that video in their queue or not.

My query needs to look at one member, and see which videos are in their queue.

I’m intending for my code to look somewhat like:

$data = mysql_query("SELECT column names FROM queue WHERE memberid = $memberid AND its value = 1", $connection);
if (!$data) {
    die("Database query failed: " . mysql_error());
}

while ($result = mysql_fetch_array($data)) {
    $list[] = $result['columnnames'];
}

Help! Thanks.
-Daniel

Answer 1

Why would you have a column for every video?

Member:

CREATE TABLE member (
    member_id INT PRIMARY_KEY,
    name VARCHAR(100)
);

Video:

CREATE TABLE video (
   video_id INT PRIMARY_KEY,
   title VARCHAR(150)
);

MemberQueue:

CREATE TABLE memberqueue (
    member_id INT,
    video_id INT
);

Get a members videos in their queue:

SELECT video.video_id, video.title
FROM member
JOIN memberqueue
    ON member.member_id = memberqueue.member_id
JOIN video
    ON memberqueue.video_id = video.video_id
WHERE member.member_id = $member_id