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green-ponies (jgen) 2012-02-10 00:37:52 -05:00
parent c34656563c
commit 551a0f0a76
1 changed files with 7 additions and 0 deletions
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7
contrib/tag_history/main.php
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@ -366,6 +366,13 @@ class Tag_History extends Extension {
if($entries > $allowed) if($entries > $allowed)
{ {
// TODO: Make these queries better // TODO: Make these queries better
/*
MySQL does NOT allow you to modify the same table which you use in the SELECT part.
Which means that these will probably have to stay as TWO separate queries...
http://dev.mysql.com/doc/refman/5.1/en/subquery-restrictions.html
http://stackoverflow.com/questions/45494/mysql-error-1093-cant-specify-target-table-for-update-in-from-clause
*/
$min_id = $database->get_one("SELECT MIN(id) FROM tag_histories WHERE image_id = ?", array($image->id)); $min_id = $database->get_one("SELECT MIN(id) FROM tag_histories WHERE image_id = ?", array($image->id));
$database->execute("DELETE FROM tag_histories WHERE id = ?", array($min_id)); $database->execute("DELETE FROM tag_histories WHERE id = ?", array($min_id));
} }