Some SQL and indexes improvements

inc/functions.php

@@ -573,7 +573,12 @@ function listBoards() {
 function checkFlood($post) {
 	global $board, $config;
 
-	$query = prepare(sprintf("SELECT * FROM ``posts_%s`` WHERE (`ip` = :ip AND `time` >= :floodtime) OR (`ip` = :ip AND `body` != '' AND `body` = :body AND `time` >= :floodsameiptime) OR (`body` != ''  AND `body` = :body AND `time` >= :floodsametime) LIMIT 1", $board['uri']));
+	$query = prepare(sprintf("SELECT COUNT(*) FROM ``posts_%s`` WHERE
+		(`ip` = :ip AND `time` >= :floodtime)
+			OR
+		(`ip` = :ip AND :body != '' AND `body_nomarkup` = :body AND `time` >= :floodsameiptime)
+			OR
+		(:body != '' AND `body_nomarkup` = :body AND `time` >= :floodsametime) LIMIT 1", $board['uri']));
 	$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
 	$query->bindValue(':body', $post['body']);
 	$query->bindValue(':floodtime', time()-$config['flood_time'], PDO::PARAM_INT);
@@ -581,7 +586,7 @@ function checkFlood($post) {
 	$query->bindValue(':floodsametime', time()-$config['flood_time_same'], PDO::PARAM_INT);
 	$query->execute() or error(db_error($query));
 	
-	$flood = (bool) $query->fetch(PDO::FETCH_ASSOC);
+	$flood = (bool) $query->fetchColumn();
 
 	if (event('check-flood', $post))
 		return true;
@@ -658,12 +663,12 @@ function checkBan($board = 0) {
 	if (event('check-ban', $board))
 		return true;
 
-	$query = prepare("SELECT `set`, `expires`, `reason`, `board`, `seen`, ``bans``.`id` FROM ``bans`` WHERE (`board` IS NULL OR `board` = :board) AND `ip` = :ip ORDER BY `expires` IS NULL DESC, `expires` DESC LIMIT 1");
+	$query = prepare("SELECT `set`, `expires`, `reason`, `board`, `seen`, `id` FROM ``bans`` WHERE (`board` IS NULL OR `board` = :board) AND `ip` = :ip ORDER BY `expires` IS NULL DESC, `expires` DESC LIMIT 1");
 	$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
 	$query->bindValue(':board', $board);
 	$query->execute() or error(db_error($query));
 	if ($query->rowCount() < 1 && $config['ban_range']) {
-		$query = prepare("SELECT `set`, `expires`, `reason`, `board`, `seen`, ``bans``.`id` FROM ``bans`` WHERE (`board` IS NULL OR `board` = :board) AND :ip LIKE REPLACE(REPLACE(`ip`, '%', '!%'), '*', '%') ESCAPE '!' ORDER BY `expires` IS NULL DESC, `expires` DESC LIMIT 1");
+		$query = prepare("SELECT `set`, `expires`, `reason`, `board`, `seen`, `id` FROM ``bans`` WHERE (`board` IS NULL OR `board` = :board) AND :ip LIKE REPLACE(REPLACE(`ip`, '%', '!%'), '*', '%') ESCAPE '!' ORDER BY `expires` IS NULL DESC, `expires` DESC LIMIT 1");
 		$query->bindValue(':ip', $_SERVER['REMOTE_ADDR']);
 		$query->bindValue(':board', $board);
 		$query->execute() or error(db_error($query));
@@ -1229,14 +1234,11 @@ function checkRobot($body) {
 // Returns an associative array with 'replies' and 'images' keys
 function numPosts($id) {
 	global $board;
-	$query = prepare(sprintf("SELECT COUNT(*) FROM ``posts_%s`` WHERE `thread` = :thread UNION ALL SELECT COUNT(*) FROM ``posts_%s`` WHERE `file` IS NOT NULL AND `thread` = :thread", $board['uri'], $board['uri']));
+	$query = prepare(sprintf("SELECT COUNT(*) AS `replies`, COUNT(NULLIF(`file`, 0)) AS `images` FROM ``posts_%s`` WHERE `thread` = :thread", $board['uri'], $board['uri']));
 	$query->bindValue(':thread', $id, PDO::PARAM_INT);
 	$query->execute() or error(db_error($query));
 
-	$num_posts = $query->fetchColumn();
+	return $query->fetch(PDO::FETCH_ASSOC);
-	$num_images = $query->fetchColumn();
-
-	return array('replies' => $num_posts, 'images' => $num_images);
 }
 
 function muteTime() {

install.php

@@ -1,7 +1,7 @@
 <?php
 
 // Installation/upgrade file	
-define('VERSION', 'v0.9.6-dev-14');
+define('VERSION', 'v0.9.6-dev-15');
 
 require 'inc/functions.php';
 
@@ -370,6 +370,17 @@ if (file_exists($config['has_installed'])) {
 			}
 		case 'v0.9.6-dev-13':
 			query("ALTER TABLE ``antispam`` ADD INDEX `expires` (`expires`)") or error(db_error());
+		case 'v0.9.6-dev-14':
+			foreach ($boards as &$board) {
+				query(sprintf("ALTER TABLE  ``posts_%s``
+					DROP INDEX `body`,
+					ADD INDEX `filehash` (`filehash`(40))", $board['uri'])) or error(db_error());
+			}
+			query("ALTER TABLE ``modlogs`` ADD INDEX `mod` (`mod`)") or error(db_error());
+			query("ALTER TABLE ``bans`` DROP INDEX `ip`") or error(db_error());
+			query("ALTER TABLE ``bans`` ADD INDEX `ip` (`ip`)") or error(db_error());
+			query("ALTER TABLE ``noticeboard`` ADD INDEX `time` (`time`)") or error(db_error());
+			query("ALTER TABLE ``pms`` ADD INDEX `to` (`to`, `unread`)") or error(db_error());
 		case false:
 			// Update version number
 			file_write($config['has_installed'], VERSION);

install.sql

@@ -49,7 +49,7 @@ CREATE TABLE IF NOT EXISTS `bans` (
   `board` varchar(58) CHARACTER SET utf8 DEFAULT NULL,
   `seen` tinyint(1) NOT NULL,
   PRIMARY KEY (`id`),
-  FULLTEXT KEY `ip` (`ip`)
+  KEY `ip` (`ip`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 AUTO_INCREMENT=1 ;
 
 -- --------------------------------------------------------
@@ -115,7 +115,8 @@ CREATE TABLE IF NOT EXISTS `modlogs` (
   `board` varchar(58) CHARACTER SET utf8 DEFAULT NULL,
   `time` int(11) NOT NULL,
   `text` text NOT NULL,
-  KEY `time` (`time`)
+  KEY `time` (`time`),
+  KEY `mod`(`mod`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
 
 -- --------------------------------------------------------
@@ -182,7 +183,8 @@ CREATE TABLE IF NOT EXISTS `noticeboard` (
   `time` int(11) NOT NULL,
   `subject` text NOT NULL,
   `body` text NOT NULL,
-  UNIQUE KEY `id` (`id`)
+  UNIQUE KEY `id` (`id`),
+  KEY `time` (`time`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 AUTO_INCREMENT=1 ;
 
 -- --------------------------------------------------------
@@ -198,7 +200,8 @@ CREATE TABLE IF NOT EXISTS `pms` (
   `message` text NOT NULL,
   `time` int(11) NOT NULL,
   `unread` tinyint(1) NOT NULL,
-  PRIMARY KEY (`id`)
+  PRIMARY KEY (`id`),
+  KEY `to` (`to`, `unread`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 AUTO_INCREMENT=1 ;
 
 -- --------------------------------------------------------

post.php

@@ -427,6 +427,12 @@ if (isset($_POST['delete'])) {
 		error(sprintf($config['error']['toolong'], 'password'));
 		
 	wordfilters($post['body']);
+	
+	// Check for a flood
+	if (!hasPermission($config['mod']['flood'], $board['uri']) && checkFlood($post)) {
+		error($config['error']['flood']);
+	}
+	
 	$post['body'] = escape_markup_modifiers($post['body']);
 	
 	if ($mod && isset($post['raw']) && $post['raw']) {
@@ -463,11 +469,6 @@ if (isset($_POST['delete'])) {
 	
 	$post['tracked_cites'] = markup($post['body'], true);
 	
-	// Check for a flood
-	if (!hasPermission($config['mod']['flood'], $board['uri']) && checkFlood($post)) {
-		error($config['error']['flood']);
-	}
-	
 	require_once 'inc/filters.php';
 	
 	do_filters($post);

templates/posts.sql

@@ -27,8 +27,8 @@ CREATE TABLE IF NOT EXISTS ``posts_{{ board }}`` (
    `embed` text,
    UNIQUE KEY `id` (`id`),
    KEY `thread_id` (`thread`,`id`),
+   KEY `filehash` (`filehash`),
    KEY `time` (`time`),
-   FULLTEXT KEY `body` (`body`),
    KEY `ip` (`ip`)
  ) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 AUTO_INCREMENT=1 ;