Speed improvements of queries

include/api.php

@@ -619,19 +619,32 @@
 	function api_status_show(&$a, $type){
 		$user_info = api_get_user($a);
 		// get last public wall message
-		$lastwall = q("SELECT `item`.*, `i`.`contact-id` as `reply_uid`, `i`.`nick` as `reply_author`
-				FROM `item`, `contact`,
-					(SELECT `item`.`id`, `item`.`contact-id`, `contact`.`nick` FROM `item`,`contact` WHERE `contact`.`id`=`item`.`contact-id`) as `i` 
+
+		$lastwall = q("SELECT `item`.*, `i`.`contact-id` as `reply_uid`, `c`.`nick` as `reply_author`
+				FROM `item`, `contact`, `item` as `i`, `contact` as `c`
 				WHERE `item`.`contact-id` = %d
 					AND `i`.`id` = `item`.`parent`
-					AND `contact`.`id`=`item`.`contact-id` AND `contact`.`self`=1
-					AND `type`!='activity'
+					AND `contact`.`id`=`item`.`contact-id` AND `c`.`id`=`i`.`contact-id` AND `contact`.`self`=1
+					AND `item`.`type`!='activity'
 					AND `item`.`allow_cid`='' AND `item`.`allow_gid`='' AND `item`.`deny_cid`='' AND `item`.`deny_gid`=''
-				ORDER BY `created` DESC 
+				ORDER BY `item`.`created` DESC
 				LIMIT 1",
 				intval($user_info['id'])
 		);
 
+//		$lastwall = q("SELECT `item`.*, `i`.`contact-id` as `reply_uid`, `i`.`nick` as `reply_author`
+//				FROM `item`, `contact`,
+//					(SELECT `item`.`id`, `item`.`contact-id`, `contact`.`nick` FROM `item`,`contact` WHERE `contact`.`id`=`item`.`contact-id`) as `i` 
+//				WHERE `item`.`contact-id` = %d
+//					AND `i`.`id` = `item`.`parent`
+//					AND `contact`.`id`=`item`.`contact-id` AND `contact`.`self`=1
+//					AND `type`!='activity'
+//					AND `item`.`allow_cid`='' AND `item`.`allow_gid`='' AND `item`.`deny_cid`='' AND `item`.`deny_gid`=''
+//				ORDER BY `created` DESC
+//				LIMIT 1",
+//				intval($user_info['id'])
+//		);
+
 		if (count($lastwall)>0){
 			$lastwall = $lastwall[0];
 

mod/community.php

@@ -70,7 +70,7 @@ function community_content(&$a, $update = 0) {
 		`contact`.`network`, `contact`.`thumb`, `contact`.`self`, `contact`.`writable`, 
 		`contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`,
 		`user`.`nickname`, `user`.`hidewall`
-		FROM `item` FORCE INDEX (`received`) LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
+		FROM `item` FORCE INDEX (`received`, `wall`) LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
 		LEFT JOIN `user` ON `user`.`uid` = `item`.`uid`
 		WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
 		AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''

mod/profile.php

@@ -277,7 +277,7 @@ function profile_content(&$a, $update = 0) {
 		$pager_sql = sprintf(" LIMIT %d, %d ",intval($a->pager['start']), intval($a->pager['itemspage']));
 
 		$r = q("SELECT `item`.`id` AS `item_id`, `contact`.`uid` AS `contact-uid`
-			FROM `item` FORCE INDEX (created) LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
+			FROM `item` FORCE INDEX (created, uid) LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
 			WHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`deleted` = 0
 			and `item`.`moderated` = 0 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 			AND `item`.`id` = `item`.`parent` AND `item`.`wall` = 1