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Avoid ordering just by a timestamp

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Try to also employ an id when possible.
Involves reworking some of the indices.
This commit is contained in:
Alexei Sorokin
2020-09-15 16:59:27 +03:00
parent 8079a476b6
commit 52d67b0f44
41 changed files with 633 additions and 656 deletions
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48
modules/Favorite/lib/favenoticestream.php
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@@ -88,46 +88,36 @@ class RawFaveNoticeStream extends NoticeStream
*/
public function getNoticeIds($offset, $limit, $since_id, $max_id)
{
$fav = new Fave();
$qry = null;
$fave = new Fave();
if ($this->own) {
$qry = 'SELECT fave.* FROM fave ';
$qry .= 'WHERE fave.user_id = ' . $this->user_id . ' ';
} else {
$qry = 'SELECT fave.* FROM fave ';
$qry .= 'INNER JOIN notice ON fave.notice_id = notice.id ';
$qry .= 'WHERE fave.user_id = ' . $this->user_id . ' ';
$qry .= 'AND notice.is_local <> ' . Notice::GATEWAY . ' ';
$fave->selectAdd();
$fave->selectAdd('fave.*');
$fave->user_id = $this->user_id;
if (!$this->own) {
$fave->joinAdd(['notice_id', 'notice:id']);
$fave->whereAdd('notice.is_local <> ' . Notice::GATEWAY);
}
if ($since_id != 0) {
$qry .= 'AND notice_id > ' . $since_id . ' ';
}
if ($max_id != 0) {
$qry .= 'AND notice_id <= ' . $max_id . ' ';
}
Notice::addWhereSinceId($fave, $since_id, 'notice_id', 'fave.modified');
Notice::addWhereMaxId($fave, $max_id, 'notice_id', 'fave.modified');
// NOTE: we sort by fave time, not by notice time!
$qry .= 'ORDER BY modified DESC ';
$fave->orderBy('fave.modified DESC, notice_id DESC');
if (!is_null($offset)) {
$qry .= "LIMIT $limit OFFSET $offset";
$fave->limit($offset, $limit);
}
$fav->query($qry);
$ids = array();
while ($fav->fetch()) {
$ids[] = $fav->notice_id;
$ids = [];
if ($fave->find()) {
while ($fave->fetch()) {
$ids[] = $fave->notice_id;
}
}
$fav->free();
unset($fav);
$fave->free();
unset($fave);
return $ids;
}
}