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<?php
# Rebuild the fulltext search indexes. This may take a while
# depending on the database size and server configuration.
# Rebuilding is faster if you drop the index and recreate it,
# but that will prevent searches from working while it runs.
function dropTextIndex()
{
if ( wfIndexExists( "searchindex", "si_title" ) ) {
echo "Dropping index...\n";
$sql = "ALTER TABLE searchindex DROP INDEX si_title, DROP INDEX si_text";
$res = wfQuery($sql, DB_WRITE, "dropTextIndex" );
}
}
function createTextIndex()
{
echo "Rebuild the index...\n";
$sql = "ALTER TABLE searchindex ADD FULLTEXT si_title (si_title), " .
"ADD FULLTEXT si_text (si_text)";
$res = wfQuery($sql, DB_WRITE, "createTextIndex" );
}
function rebuildTextIndex()
{
$sql = "SELECT COUNT(*) AS count FROM cur";
$res = wfQuery($sql, DB_READ, "rebuildTextIndex" );
$s = wfFetchObject($res);
echo "Rebuilding index fields for {$s->count} pages...\n";
$n = 0;
$sql = "SELECT cur_id, cur_namespace, cur_title, cur_text FROM cur";
$res = wfQuery($sql, DB_READ, "rebuildTextIndex" );
while( $s = wfFetchObject($res) ) {
$u = new SearchUpdate( $s->cur_id, $s->cur_title, $s->cur_text );
$u->doUpdate();
if ( ( (++$n) % 500) == 0) { echo "$n\n"; }
}
wfFreeResult( $res );
}
?>
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