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[ticket/9536] Small improvement for query against user/session tables when managing users from the ACP.

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There can be multiple entries in the session table for one user_id. We only need and also only fetch one. Using LIMIT 1 should therefore increase performance slightly. This is especially true when editing the anonymous user account because the session table can have many entries for the user_id ANONYMOUS.

PHPBB3-9536
This commit is contained in:
Andreas Fischer
2010-04-12 21:08:55 +02:00
committed by Nils Adermann
parent 03d50a2e83
commit 823f2571f5
1 changed files with 2 additions and 2 deletions
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4
phpBB/includes/acp/acp_users.php
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@@ -105,7 +105,7 @@ class acp_users
LEFT JOIN ' . SESSIONS_TABLE . ' s ON (s.session_user_id = u.user_id)
WHERE u.user_id = ' . $user_id . '
ORDER BY s.session_time DESC';
$result = $db->sql_query($sql);
$result = $db->sql_query_limit($sql, 1);
$user_row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
@@ -2084,7 +2084,7 @@ class acp_users
LEFT JOIN ' . SESSIONS_TABLE . ' s ON (s.session_user_id = u.user_id)
WHERE u.user_id = ' . $user_id . '
ORDER BY s.session_time DESC';
$result = $db->sql_query($sql);
$result = $db->sql_query_limit($sql, 1);
$user_row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
}