Some optimized sql queries

boot.php

@@ -38,7 +38,7 @@ define ( 'FRIENDICA_PLATFORM',     'Friendica');
 define ( 'FRIENDICA_CODENAME',     'Asparagus');
 define ( 'FRIENDICA_VERSION',      '3.5-dev' );
 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
-define ( 'DB_UPDATE_VERSION',      1195      );
+define ( 'DB_UPDATE_VERSION',      1196      );
 
 /**
  * @brief Constant with a HTML line break.

database.sql

@@ -1,6 +1,6 @@
 -- ------------------------------------------
 -- Friendica 3.5-dev (Asparagus)
--- DB_UPDATE_VERSION 1195
+-- DB_UPDATE_VERSION 1196
 -- ------------------------------------------
 
 
@@ -511,7 +511,7 @@ CREATE TABLE IF NOT EXISTS `item` (
 	 INDEX `extid` (`extid`),
 	 INDEX `uid_id` (`uid`,`id`),
 	 INDEX `uid_created` (`uid`,`created`),
-	 INDEX `uid_unseen` (`uid`,`unseen`),
+	 INDEX `uid_unseen_contactid` (`uid`,`unseen`,`contact-id`),
 	 INDEX `uid_network_received` (`uid`,`network`,`received`),
 	 INDEX `uid_received` (`uid`,`received`),
 	 INDEX `uid_network_commented` (`uid`,`network`,`commented`),

include/dbstructure.php

@@ -847,7 +847,7 @@ function db_definition() {
 					"extid" => array("extid"),
 					"uid_id" => array("uid","id"),
 					"uid_created" => array("uid","created"),
-					"uid_unseen" => array("uid","unseen"),
+					"uid_unseen_contactid" => array("uid","unseen","contact-id"),
 					"uid_network_received" => array("uid","network","received"),
 					"uid_received" => array("uid","received"),
 					"uid_network_commented" => array("uid","network","commented"),

include/group.php

@@ -366,7 +366,7 @@ function groups_containing($uid,$c) {
 function groups_count_unseen() {
 
 	$r = q("SELECT `group`.`id`, `group`.`name`,
-			(SELECT COUNT(*) FROM `item`
+			(SELECT COUNT(*) FROM `item` FORCE INDEX (`uid_unseen_contactid`)
 				WHERE `uid` = %d AND `unseen` AND
 					`contact-id` IN (SELECT `contact-id` FROM `group_member`
 								WHERE `group_member`.`gid` = `group`.`id` AND `group_member`.`uid` = %d)) AS `count`

mod/profile.php

@@ -284,7 +284,7 @@ function profile_content(&$a, $update = 0) {
 
 		$r = q("SELECT `thread`.`iid` AS `item_id`, `thread`.`network` AS `item_network`,
 			`thread`.`uid` AS `contact-uid`
-			FROM `thread` INNER JOIN `item` ON `item`.`id` = `thread`.`iid`
+			FROM `thread` FORCE INDEX (`uid_created`) INNER JOIN `item` ON `item`.`id` = `thread`.`iid`
 			$sql_post_table INNER JOIN `contact` ON `contact`.`id` = `thread`.`contact-id`
 			AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 			WHERE `thread`.`uid` = %d AND `thread`.`visible` = 1 AND `thread`.`deleted` = 0

update.php

@@ -1,6 +1,6 @@
 <?php
 
-define('UPDATE_VERSION' , 1195);
+define('UPDATE_VERSION' , 1196);
 
 /**
  *