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split vote recounting on user deletion into chunks

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This commit is contained in:
Shish 2015-05-18 23:40:21 +01:00
parent 1779f97cac
commit 9a28f0f51a
1 changed files with 9 additions and 7 deletions
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16
ext/numeric_score/main.php
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@ -175,10 +175,14 @@ class NumericScore extends Extension {
if(count($image_ids) == 0) return; if(count($image_ids) == 0) return;
$database->execute( // vote recounting is pretty heavy, and often hits statement timeouts
"DELETE FROM numeric_score_votes WHERE user_id=? AND image_id IN (".implode(",", $image_ids).")", // if you try to recount all the images in one go
foreach(array_chunk($image_ids, 20) as $chunk) {
$id_list = implode(",", $chunk);
$database->execute(
"DELETE FROM numeric_score_votes WHERE user_id=? AND image_id IN (".$id_list.")",
array($user_id)); array($user_id));
$database->execute(" $database->execute("
UPDATE images UPDATE images
SET numeric_score=COALESCE( SET numeric_score=COALESCE(
( (
@ -188,12 +192,10 @@ class NumericScore extends Extension {
), ),
0 0
) )
WHERE images.id IN (".implode(",", $image_ids).")"); WHERE images.id IN (".$id_list.")");
}
} }
// FIXME: on user deletion
// FIXME: on user vote nuke
public function onParseLinkTemplate(ParseLinkTemplateEvent $event) { public function onParseLinkTemplate(ParseLinkTemplateEvent $event) {
$event->replace('$score', $event->image->numeric_score); $event->replace('$score', $event->image->numeric_score);
} }