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Code Issues Releases Wiki Activity

[ticket/9606] Optimize unread search option.

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Get rid of redundant SQL query in search.php that should increase performance slightly.

PHPBB3-9606
This commit is contained in:
rxu
2010-05-17 21:14:02 +08:00
parent 6d7e30ae99
commit d819ee343a
2 changed files with 11 additions and 15 deletions
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7
phpBB/includes/functions.php
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@@ -1660,10 +1660,11 @@ function get_complete_topic_tracking($forum_id, $topic_ids, $global_announce_lis
* @param string $sql_extra Extra WHERE SQL statement
* @param string $sql_sort ORDER BY SQL sorting statement
* @param string $sql_limit Limits the size of unread topics list, 0 for unlimited query
* @param string $sql_limit_offset Sets the offset of the first row to search, 0 to search from the start
*
* @return array[int][int] Topic ids as keys, mark_time of topic as value
*/
function get_unread_topics($user_id = false, $sql_extra = '', $sql_sort = '', $sql_limit = 1001)
function get_unread_topics($user_id = false, $sql_extra = '', $sql_sort = '', $sql_limit = 1001, $sql_limit_offset = 0)
{
global $config, $db, $user;
@@ -1709,7 +1710,7 @@ function get_unread_topics($user_id = false, $sql_extra = '', $sql_sort = '', $s
);
$sql = $db->sql_build_query('SELECT', $sql_array);
$result = $db->sql_query_limit($sql, $sql_limit);
$result = $db->sql_query_limit($sql, $sql_limit, $sql_limit_offset);
while ($row = $db->sql_fetchrow($result))
{
@@ -1742,7 +1743,7 @@ function get_unread_topics($user_id = false, $sql_extra = '', $sql_sort = '', $s
WHERE t.topic_last_post_time > ' . $user_lastmark . "
$sql_extra
$sql_sort";
$result = $db->sql_query_limit($sql, $sql_limit);
$result = $db->sql_query_limit($sql, $sql_limit, $sql_limit_offset);
while ($row = $db->sql_fetchrow($result))
{