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implement automatic tags table maintenance

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This commit is contained in:
Andrew Dolgov 2010-11-13 19:59:42 +03:00
parent d3204726a5
commit 868650e463
2 changed files with 28 additions and 0 deletions
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22
functions.php
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@ -5798,6 +5798,10 @@
purge_orphans($link);
$rc = cleanup_tags($link, 14, 50000);
if ($debug) _debug("$rc uncached tags cleaned.");
} // function update_daemon_common
function sanitize_article_content($text) {
@ -7137,4 +7141,22 @@
return $ids;
}
function cleanup_tags($link, $days = 14, $limit = 1000) {
if (DB_TYPE == "pgsql") {
$interval_query = "date_updated < NOW() - INTERVAL '$days days'";
} else if (DB_TYPE == "mysql") {
$interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
}
$query = "SELECT ttrss_tags.id AS id
FROM ttrss_tags, ttrss_user_entries, ttrss_entries
WHERE post_int_id = int_id AND $interval_query AND
ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit";
$result = db_query($link, $query);
return db_affected_rows($link, $result);
}
?>

6
update.php
View file

@ -19,6 +19,7 @@
print " -feeds - update feeds\n";
print " -feedbrowser - update feedbrowser\n";
print " -daemon - start single-process update daemon\n";
print " -cleanup-tags - perform tags table maintenance\n";
print " -help - show this help\n";
return;
}
@ -89,6 +90,11 @@
}
if ($op == "-cleanup-tags") {
$rc = cleanup_tags($link, 14, 50000);
print "$rc tags deleted.\n";
}
db_close($link);
unlink(LOCK_DIRECTORY . "/$lock_filename");