<?
/*
* Prepare
*/
$sql[] = "DROP TABLE IF EXISTS tmp_pr";
$sql[] = "
CREATE TABLE tmp_pr (
id bigint(20) NOT NULL default '0',
formula longtext NOT NULL,
nroout int(11) NOT NULL default '0',
pr float NOT NULL default '0',
PRIMARY KEY (id),
KEY nroout (nroout)
)";
/*
*
*/
$sql[] = "CREATE TABLE tmp_nodanglins AS SELECT count( * ) as total, master FROM pagerank GROUP BY MASTER";
$sql[] = "ALTER TABLE `tmp_nodanglins` ADD PRIMARY KEY ( `master` ) ";
/*
*
*/
$sql[] = "CREATE TABLE tmp_unilist as (select distinct master as id from pagerank) union (select distinct slave as id from pagerank)";
$sql[] = "ALTER TABLE `tmp_unilist` ADD PRIMARY KEY ( `id` ) ;";
/*
*
*/
$sql[] = "Insert into tmp_pr(id,nroout) select tmp_unilist.id, tmp_nodanglins.total from tmp_unilist left join tmp_nodanglins on (tmp_nodanglins.master = tmp_unilist.id)";
/*
* This SQL command are executed when the PR calculation finish.
*/
$sql_finish[] = "DROP TABLE IF EXISTS PR_FINISHED";
$sql_finish[] = "CREATE TABLE `PR_FINISHED` (
`posicion` int(11) NOT NULL auto_increment,
`id` int(11) NOT NULL default '0',
`pagerank` float NOT NULL default '0',
PRIMARY KEY (`posicion`),
UNIQUE KEY `id` (`id`),
KEY `pagerank` (`pagerank`)
)";
$sql_finish[] = "INSERT INTO PR_FINISHED(id,pagerank) SELECT tmp_pr.id,tmp_pr.pr FROM tmp_pr ORDER BY tmp_pr.pr DESC";
$sql_finish[] = "DROP TABLE tmp_unilist;";
$sql_finish[] = "DROP TABLE tmp_pr;";
$sql_finish[] = "DROP TABLE tmp_nodanglins;";
?>
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