do_linkscc_update(); flush();
do_hitcounter_update(); flush();
do_recentchanges_update(); flush();
+ echo "FIXME: need the link table change here\n";
+ do_user_real_name_update(); flush();
+ do_querycache_update(); flush();
initialiseMessages(); flush();
chdir( "config" );
<?php
-require_once ( "LogPage.php" ) ;
require_once ( "Feed.php" );
# This is a class for doing query pages; since they're almost all the same,
return "";
}
- # Subclasses return a SQL query here.
+ # Subclasses return an SQL query here.
+ #
+ # Note that the query itself should return the following three columns:
+ # 'type' (your special page's name), 'namespace, 'title', and 'value'
+ # (numeric) *in that order*. These may be stored in the querycache table
+ # for expensive queries, and that cached data will be returned sometimes,
+ # so the presence of extra fields can't be relied on.
+ #
+ # Don't include an ORDER or LIMIT clause, this will be added.
+
+ function getSQL() {
+ return "SELECT 'sample' as type, 0 as namespace, 'Sample result' as title, 42 as value";
+ }
+
+ # Override to sort by increasing values
+ function sortDescending() {
+ return true;
+ }
- function getSQL( $offset, $limit ) {
- return "";
+ # Don't override this unless you're darn sure.
+ function getOrderLimit( $offset, $limit ) {
+ return " ORDER BY value " .
+ ($this->sortDescending() ? "DESC" : "")
+ . " LIMIT {$offset}, {$limit}";
}
# Is this query expensive (for some definition of expensive)? Then we
# This is the actual workhorse. It does everything needed to make a
# real, honest-to-gosh query page.
-
+
function doQuery( $offset, $limit ) {
- global $wgUser, $wgOut, $wgLang, $wgMiserMode;
+ global $wgUser, $wgOut, $wgLang, $wgRequest;
+ global $wgMiserMode;
$sname = $this->getName();
$fname = get_class($this) . "::doQuery";
+ $sql = $this->getSQL( $offset, $limit );
$wgOut->setSyndicated( true );
- if ( $this->isExpensive( ) ) {
- $vsp = $wgLang->getValidSpecialPages();
- $logpage = new LogPage( "!" . $vsp[$sname] );
- $logpage->mUpdateRecentChanges = false;
-
- if ( $wgMiserMode ) {
- $logpage->showAsDisabledPage();
- return;
+ if ( $this->isExpensive() ) {
+ $type = wfStrencode( $sname );
+ $recache = $wgRequest->getBool( "recache" );
+ if( $recache ) {
+ # Clear out any old cached data
+ $res = wfQuery( "DELETE FROM querycache WHERE qc_type='$type'", DB_WRITE, $fname );
+
+ # Save results into the querycache table
+ $maxstored = 1000;
+ $res = wfQuery(
+ "INSERT INTO querycache(qc_type,qc_namespace,qc_title,qc_value) " .
+ $this->getSQL() .
+ $this->getOrderLimit( 0, $maxstored ),
+ DB_WRITE, $fname );
+ }
+ if( $wgMiserMode || $recache ) {
+ $sql =
+ "SELECT qc_type as type, qc_namespace as namespace,qc_title as title, qc_value as value
+ FROM querycache WHERE qc_type='$type'";
+ }
+ if( $wgMiserMode ) {
+ $wgOut->addWikiText( wfMsg( "perfcached" ) );
}
}
- $sql = $this->getSQL( $offset, $limit );
-
- $res = wfQuery( $sql, DB_READ, $fname );
+ $res = wfQuery( $sql . $this->getOrderLimit( $offset, $limit ), DB_READ, $fname );
$num = wfNumRows($res);
$s .= "</ol>";
$wgOut->addHTML( $s );
$wgOut->addHTML( "<p>{$sl}</p>\n" );
-
- # Saving cache
-
- if ( $this->isExpensive() && $offset == 0 && $limit >= 50 ) {
- $logpage->replaceContent( $s );
- }
}
# Similar to above, but packaging in a syndicated feed instead of a web page
# Override for custom handling. If the titles/links are ok, just do feedItemDesc()
function feedResult( $row ) {
- if( isset( $row->cur_title ) ) {
- $title = Title::MakeTitle( $row->cur_namespace, $row->cur_title );
- } elseif( isset( $row->old_title ) ) {
- $title = Title::MakeTitle( $row->old_namespace, $row->old_title );
- } elseif( isset( $row->rc_title ) ) {
- $title = Title::MakeTitle( $row->rc_namespace, $row->rc_title );
- } else {
+ if( !isset( $row->title ) ) {
return NULL;
}
+ $title = Title::MakeTitle( IntVal( $row->namespace ), $row->title );
if( $title ) {
- $date = "";
- if( isset( $row->cur_timestamp ) ) {
- $date = $row->cur_timestamp;
- } elseif( isset( $row->old_timestamp ) ) {
- $date = $row->old_timestamp;
- } elseif( isset( $row->rc_cur_timestamp ) ) {
- $date = $row->rc_cur_timestamp;
+ if( isset( $row->timestamp ) ) {
+ $date = $row->timestamp;
+ } else {
+ $date = "";
}
$comments = "";
function feedItemDesc( $row ) {
$text = "";
- if( isset( $row->cur_comment ) ) {
- $text = $row->cur_comment;
- } elseif( isset( $row->old_comment ) ) {
- $text = $row->old_comment;
- } elseif( isset( $row->rc_comment ) ) {
- $text = $row->rc_comment;
+ if( isset( $row->comment ) ) {
+ $text = htmlspecialchars( $row->comment );
+ } else {
+ $text = "";
}
- $text = htmlspecialchars( $text );
- if( isset( $row->cur_text ) ) {
+ if( isset( $row->text ) ) {
$text = "<p>" . htmlspecialchars( wfMsg( "summary" ) ) . ": " . $text . "</p>\n<hr />\n<div>" .
- nl2br( $row->cur_text ) . "</div>";;
+ nl2br( htmlspecialchars( $row->text ) ) . "</div>";;
}
return $text;
}
function feedItemAuthor( $row ) {
- /* old code
- $fields = array( "cur_user_text", "old_user_text", "rc_user_text" );
- foreach( $fields as $field ) {
- if( isset( $row->$field ) ) return $row->field;
+ if( isset( $row->user_text ) ) {
+ return $row->user_text;
+ } else {
+ return "";
}
-
- new code follow, that's an ugly hack to fix things: */
- if( isset( $row->cur_user_text ) ) return $row->cur_user_text;
- if( isset( $row->old_user_text ) ) return $row->old_user_text;
- if( isset( $row->rc_user_text ) ) return $row->rc_user_text;
- return "";
}
function feedTitle() {
class PageQueryPage extends QueryPage {
function formatResult( $skin, $result ) {
- return $skin->makeKnownLink( $result->cur_title, "" );
+ $nt = Title::makeTitle( $result->namespace, $result->title );
+ return $skin->makeKnownLinkObj( $nt, "" );
}
}
return parent::isExpensive() ;
}
- function getSQL( $offset, $limit ) {
- return "SELECT cur_title, cur_timestamp " .
- "FROM cur USE INDEX (cur_timestamp) " .
- "WHERE cur_namespace=0 AND cur_is_redirect=0 " .
- " ORDER BY cur_timestamp LIMIT {$offset}, {$limit}";
+ function getSQL() {
+ return
+ "SELECT 'Ancientpages' as type,
+ cur_namespace as namespace,
+ cur_title as title,
+ UNIX_TIMESTAMP(cur_timestamp) as value
+ FROM cur USE INDEX (cur_timestamp)
+ WHERE cur_namespace=0 AND cur_is_redirect=0";
+ }
+
+ function sortDescending() {
+ return false;
}
function formatResult( $skin, $result ) {
global $wgLang;
- $d = $wgLang->timeanddate( $result->cur_timestamp, true );
- $link = $skin->makeKnownLink( $result->cur_title, "" );
+ $d = $wgLang->timeanddate( wfUnix2Timestamp( $result->value ), true );
+ $link = $skin->makeKnownLink( $result->title, "" );
return "{$link} ({$d})";
}
}
}
function isExpensive() {
- return 1;
+ return true;
}
- function getSQL( $offset, $limit ) {
- return "SELECT cur_title, LENGTH(cur_text) AS len FROM cur " .
- "WHERE cur_namespace=0 AND cur_is_redirect=0 ORDER BY len DESC " .
- "LIMIT {$offset}, {$limit}";
+ function getSQL() {
+ return
+ "SELECT 'Longpages' as type,
+ cur_namespace as namespace,
+ cur_title as title,
+ LENGTH(cur_text) AS value
+ FROM cur
+ WHERE cur_namespace=0 AND cur_is_redirect=0";
}
function formatResult( $skin, $result ) {
global $wgLang;
- $nb = wfMsg( "nbytes", $wgLang->formatNum( $result->len ) );
- $link = $skin->makeKnownLink( $result->cur_title, "" );
+ $nb = wfMsg( "nbytes", $wgLang->formatNum( $result->value ) );
+ $link = $skin->makeKnownLink( $result->title, "" );
return "{$link} ({$nb})";
}
}
}
function isExpensive() {
- return parent::isExpensive();
+ # Indexed on RC, and will *not* work with querycache yet.
+ return false;
+ #return parent::isExpensive();
}
function getSQL( $offset, $limit ) {
- return "SELECT rc_namespace AS cur_namespace, rc_title AS cur_title,rc_user AS cur_user,rc_user_text AS cur_user_text,rc_comment as cur_comment," .
- "rc_timestamp AS cur_timestamp,length(cur_text) as cur_length,cur_text FROM recentchanges,cur " .
- "WHERE rc_cur_id=cur_id AND rc_new=1 AND rc_namespace=0 AND cur_is_redirect=0 " .
- "ORDER BY rc_timestamp DESC LIMIT {$offset}, {$limit}";
+ return
+ "SELECT 'Newpages' as type,
+ rc_namespace AS namespace,
+ rc_title AS title,
+ rc_cur_id AS value,
+
+ rc_user AS user,
+ rc_user_text AS user_text,
+ rc_comment as comment,
+ rc_timestamp AS timestamp,
+ length(cur_text) as length,
+ cur_text as text
+ FROM recentchanges,cur
+ WHERE rc_cur_id=cur_id AND rc_new=1
+ AND rc_namespace=0 AND cur_is_redirect=0";
}
function formatResult( $skin, $result ) {
global $wgLang;
- $u = $result->cur_user;
- $ut = $result->cur_user_text;
+ $u = $result->user;
+ $ut = $result->user_text;
- $length = wfmsg( "nbytes", $wgLang->formatNum( $result->cur_length ) );
- $c = $skin->formatComment($result->cur_comment );
+ $length = wfMsg( "nbytes", $wgLang->formatNum( $result->length ) );
+ $c = $skin->formatComment($result->comment );
if ( 0 == $u ) { # not by a logged-in user
$ul = $ut;
}
else {
- $ul = $skin->makeLink( $wgLang->getNsText(2) . ":{$ut}", $ut );
+ $ul = $skin->makeLink( $wgLang->getNsText(NS_USER) . ":{$ut}", $ut );
}
- $d = $wgLang->timeanddate( $result->cur_timestamp, true );
- $link = $skin->makeKnownLink( $result->cur_title, "" );
+ $d = $wgLang->timeanddate( $result->timestamp, true );
+ $link = $skin->makeKnownLink( $result->title, "" );
$s = "{$d} {$link} ({$length}) . . {$ul}";
if ( "" != $c && "*" != $c ) {
}
function isExpensive() {
- return 1;
+ # cur_counter is not indexed
+ return true;
}
- function getSQL( $offset, $limit ) {
- return "SELECT cur_title, cur_counter FROM cur " .
- "WHERE cur_namespace=0 AND cur_is_redirect=0 ORDER BY " .
- "cur_counter DESC LIMIT {$offset}, {$limit}";
+ function getSQL() {
+ return
+ "SELECT 'Popularpages' as type,
+ cur_namespace as namespace,
+ cur_title as title,
+ cur_counter as value
+ FROM cur
+ WHERE cur_namespace=0 AND cur_is_redirect=0";
}
function formatResult( $skin, $result ) {
global $wgLang;
- $link = $skin->makeKnownLink( $result->cur_title, "" );
- $nv = wfMsg( "nviews", $wgLang->formatNum( $result->cur_counter ) );
+ $link = $skin->makeKnownLink( $result->title, "" );
+ $nv = wfMsg( "nviews", $wgLang->formatNum( $result->value ) );
return "{$link} ({$nv})";
}
}
}
function isExpensive() {
- return 1;
+ return true;
}
- function getSQL( $offset, $limit ) {
- return "SELECT cur_title, LENGTH(cur_text) AS len FROM cur " .
- "WHERE cur_namespace=0 AND cur_is_redirect=0 ORDER BY len " .
- "LIMIT {$offset}, {$limit}";
+ function getSQL() {
+ return
+ "SELECT 'Shortpages' as type,
+ cur_namespace as namespace,
+ cur_title as title,
+ LENGTH(cur_text) AS value
+ FROM cur
+ WHERE cur_namespace=0 AND cur_is_redirect=0";
+ }
+
+ function sortDescending() {
+ return false;
}
function formatResult( $skin, $result ) {
global $wgLang;
- $nb = wfMsg( "nbytes", $wgLang->formatNum( $result->len ) );
- $link = $skin->makeKnownLink( $result->cur_title, "" );
+ $nb = wfMsg( "nbytes", $wgLang->formatNum( $result->value ) );
+ $link = $skin->makeKnownLink( $result->title, "" );
return "{$link} ({$nb})";
}
}
}
function isExpensive() {
- return 1;
+ return true;
}
- function getSQL( $offset, $limit ) {
- return "SELECT bl_to, COUNT( DISTINCT bl_from ) as nlinks " .
- "FROM brokenlinks GROUP BY bl_to HAVING nlinks > 1 " .
- "ORDER BY nlinks DESC LIMIT {$offset}, {$limit}";
+ function getSQL() {
+ # We cheat and return the full-text from bl_to in the title.
+ # In the future, a pre-parsed name will be available.
+ return
+ "SELECT 'Wantedpages' as type,
+ 0 as namespace,
+ bl_to as title,
+ COUNT(DISTINCT bl_from) as value
+ FROM brokenlinks
+ GROUP BY bl_to
+ HAVING value > 1";
}
function formatResult( $skin, $result ) {
global $wgLang;
- $nt = Title::newFromDBkey( $result->bl_to );
-
+ $nt = Title::newFromDBkey( $result->title );
+ if( is_null( $nt ) ) {
+ return "<!-- Bad title '" . htmlspecialchars( $result->title ) . "' -->";
+ }
$plink = $skin->makeBrokenLink( $nt->getPrefixedText(), "" );
- $nl = wfMsg( "nlinks", $result->nlinks );
+ $nl = wfMsg( "nlinks", $result->value );
$nlink = $skin->makeKnownLink( $wgLang->specialPage( "Whatlinkshere" ), $nl,
"target=" . $nt->getPrefixedURL() );
"perfdisabled" => "Sorry! This feature has been temporarily disabled
because it slows the database down to the point that no one can use
the wiki.",
-"perfdisabledsub" => "Here's a saved copy from $1:",
+"perfdisabledsub" => "Here's a saved copy from $1:", # obsolete?
+"perfcached" => "The following data is cached and may not be completely up to date:",
"wrong_wfQuery_params" => "Incorrect parameters to wfQuery()<br />
Function: $1<br />
Query: $2
everywhere. **Rebuild your links after this with refreshLinks.php**
patch-linktables.sql
+
+
+* 2004-04: Add user_real_name field
+patch-user-realname.sql
+
+* 2004-05-08: Add querycache table for caching special pages
+patch-querycache.sql
--- /dev/null
+-- Used for caching expensive grouped queries
+
+CREATE TABLE querycache (
+ qc_type char(32) NOT NULL,
+ qc_value int(5) unsigned NOT NULL default '0',
+ qc_namespace tinyint(2) unsigned NOT NULL default '0',
+ qc_title char(255) binary NOT NULL default '',
+ KEY (qc_type,qc_value)
+);
UNIQUE KEY iw_prefix (iw_prefix)
);
+-- Used for caching expensive grouped queries
+CREATE TABLE querycache (
+ qc_type char(32) NOT NULL,
+ qc_value int(5) unsigned NOT NULL default '0',
+ qc_namespace tinyint(2) unsigned NOT NULL default '0',
+ qc_title char(255) binary NOT NULL default '',
+ KEY (qc_type,qc_value)
+);
}
}
+function do_querycache_update() {
+ global $wgDatabase;
+ if( $wgDatabase->tableExists( "querycache" ) ) {
+ echo "...have special page querycache table.\n";
+ } else {
+ echo "Adding querycache table for slow special pages... ";
+ dbsource( "maintenance/archives/patch-querycache.sql", $wgDatabase );
+ echo "ok\n";
+ }
+}
+
?>
\ No newline at end of file
dépôts / lhc / web / wiklou.git / commitdiff