science-ation/db/db.update.218.php

33 lines
698 B
PHP

<?
function db_update_218_pre()
{
}
function db_update_218_post()
{
$tables=array(
'questions',
'fairs_stats'
);
// add the conferences_id field
foreach($tables as $tableName){
$query = "ALTER TABLE `$tableName` ADD `conferences_id` INT NOT NULL";
mysql_query($query);
echo $query . ";\n";
}
// get the year => conference_id links
$q1 = mysql_query("SELECT year, id FROM conferences WHERE year > 0");
// add the conferences_id field to each table
while($r = mysql_fetch_assoc($q1)){
foreach($tables as $tableName){
$query = "UPDATE `$tableName` SET `conferences_id` = {$r['id']} WHERE `year` = {$r['year']}";
mysql_query($query);
echo $query . ";\n";
}
}
}
?>