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Some slight changes to the pruning code

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This should improve performance for pruning on large forums
Topics with no last_post_id are now dealt with separately


git-svn-id: file:///svn/phpbb/branches/phpBB-2_0_0@5508 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Graham Eames 2006-01-29 17:31:16 +00:00
parent 9fc979dcd1
commit 138f82ef8e
1 changed files with 16 additions and 2 deletions
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18
phpBB/includes/prune.php
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@ -31,6 +31,21 @@ function prune($forum_id, $prune_date, $prune_all = false)
{
global $db, $lang;
// Before pruning, lets try to clean up the invalid topic entries
$sql = 'SELECT topic_id FROM ' . TOPICS_TABLE . '
WHERE topic_last_post_id = 0';
if ( !($result = $db->sql_query($sql)) )
{
message_die(GENERAL_ERROR, 'Could not obtain lists of topics to sync', '', __LINE__, __FILE__, $sql);
}
while( $row = $db->sql_fetchrow($result) )
{
sync('topic', $row['topic_id']);
}
$db->sql_freeresult($result);
$prune_all = ($prune_all) ? '' : 'AND t.topic_vote = 0 AND t.topic_type <> ' . POST_ANNOUNCE;
//
// Those without polls and announcements ... unless told otherwise!
@ -39,8 +54,7 @@ function prune($forum_id, $prune_date, $prune_all = false)
FROM " . POSTS_TABLE . " p, " . TOPICS_TABLE . " t
WHERE t.forum_id = $forum_id
$prune_all
AND ( p.post_id = t.topic_last_post_id
OR t.topic_last_post_id = 0 )";
AND p.post_id = t.topic_last_post_id";
if ( $prune_date != '' )
{
$sql .= " AND p.post_time < $prune_date";