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[DATABASE] Fix use of ORDER BY with DISTINCT

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statuses/retweets_of_me has performance fixed, so it is also stripped of its
"bad query" status.
This commit is contained in:
Alexei Sorokin
2020-08-27 11:15:39 +03:00
committed by Diogo Peralta Cordeiro
parent 300c4e3d04
commit d71eea1ba4
4 changed files with 130 additions and 158 deletions
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57
plugins/Embed/scripts/fixup_files.php
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@@ -52,32 +52,32 @@ if (!($broken ^ $h_bug)) {
die();
}
$query = "
SELECT DISTINCT
file_to_post.file_id
FROM
file_to_post
INNER JOIN
file ON file.id = file_to_post.file_id
INNER JOIN
notice ON notice.id = file_to_post.post_id
WHERE";
$fn = new DB_DataObject();
$query = <<<'END'
SELECT file_to_post.file_id
FROM file_to_post
INNER JOIN file ON file_to_post.file_id = file.id
INNER JOIN notice ON file_to_post.post_id = notice.id
WHERE
END;
$f = new File();
if ($h_bug) {
$query .= " file.title = 'h'
AND file.mimetype = 'h'
AND file.size = 0
AND file.protected = 0";
$query .= <<<'END'
file.title = 'h'
AND file.mimetype = 'h'
AND file.size = 0
AND file.protected = 0
END;
} elseif ($broken) {
$query .= " file.filename is NULL";
$query .= ' file.filename IS NULL';
}
$query .= empty($limit) ? "" : " AND notice.modified >= '{$limit}' ORDER BY notice.modified ASC";
if (!empty($limit)) {
$query .= " AND notice.modified >= '{$fn->escape($limit)}'";
}
$query .= ' GROUP BY file_to_post.file_id ORDER BY MAX(notice.modified)';
// echo $query;
$fn = new DB_DataObject();
$fn->query($query);
if ($h_bug) {
@@ -133,14 +133,15 @@ while ($fn->fetch()) {
echo " (ok, but embedding lookup failed)\n";
}
}
} elseif ($broken &&
(!$data instanceof File_embed ||
empty($data->title) ||
empty($f->title)
||
($thumb instanceof File_thumbnail && empty($thumb->filename))
)) {
} elseif (
$broken
&& (
!($data instanceof File_embed)
|| empty($data->title)
|| empty($f->title)
|| ($thumb instanceof File_thumbnail && empty($thumb->filename))
)
) {
// print_r($thumb);
if (!$dry) {