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lobli/Database/redis.php
alopexc0de 0836e64c80
Add some documentation to the migrator.
The SQL commands may or may not work for you. They worked for me and did what I wanted.
2014-08-15 18:51:45 -04:00

46 lines
1.5 KiB
PHP

<?php
// You need an AI id, if you delete rows from your database (for example tos violation), I recommend resetting it.
// ALTER TABLE `links` DROP COLUMN `id`;
// ALTER TABLE `links` ADD COLUMN `id` int AUTO_INCREMENT PRIMARY KEY FIRST;
// These SQL commands will erase all your ids and add them again, giving you an easily indexed list of ids
// Take the last id from the table and put that in $ids. It should then add all your links to Redis.
// It is your job to do what you feel you need to for your sql table.
$ids = 461;
echo "mysql to redis migrator\nThis is very specific for the link shortener, and assumes $ids entries in table.\n";
echo "Connecting to databases...\n";
$redis = new Redis();
$redis->connect('127.0.0.1', 6379);
$mysql = new mysqli('localhost', 'short', 'password', 'short');
if($mysql->connect_errno > 0) die('Unable to connect to database ['.$mysql->connect_error.']');
echo "Starting the migration (This can take a while).\n";
for($id=1; $id<=$ids; $id++){
echo "Starting id:$id of $ids... ";
$sql = "SELECT * FROM `links` WHERE `id`='$id'";
if($result = $mysql->query($sql)){
if($row = $result->fetch_assoc()){
$link = $row['link'];
$short = $row['shortlink'];
$title = "Empty Title"; // Titles aren't in the mysql db
$date = $row['date'];
$redis->set("llinks:$link", $short);
$redis->rpush("links:$short", $link);
$redis->rpush("links:$short", $title);
$redis->rpush("links:$short", $date);
echo "Done!\n";
}
}
}
echo "\n";
?>