Fix several database issues

database.sql

@@ -1,6 +1,6 @@
 -- ------------------------------------------
 -- Friendica 2021.03-dev (Red Hot Poker)
--- DB_UPDATE_VERSION 1400
+-- DB_UPDATE_VERSION 1401
 -- ------------------------------------------
 
 
@@ -889,7 +889,7 @@ CREATE TABLE IF NOT EXISTS `notify` (
 	`msg` mediumtext COMMENT '',
 	`uid` mediumint unsigned NOT NULL DEFAULT 0 COMMENT 'Owner User id',
 	`link` varchar(255) NOT NULL DEFAULT '' COMMENT '',
-	`iid` int unsigned COMMENT 'item.id',
+	`iid` int unsigned COMMENT '',
 	`parent` int unsigned COMMENT '',
 	`uri-id` int unsigned COMMENT 'Item-uri id of the related post',
 	`parent-uri-id` int unsigned COMMENT 'Item-uri id of the parent of the related post',
@@ -915,17 +915,15 @@ CREATE TABLE IF NOT EXISTS `notify` (
 CREATE TABLE IF NOT EXISTS `notify-threads` (
 	`id` int unsigned NOT NULL auto_increment COMMENT 'sequential ID',
 	`notify-id` int unsigned NOT NULL DEFAULT 0 COMMENT '',
-	`master-parent-item` int unsigned COMMENT '',
+	`master-parent-item` int unsigned COMMENT 'Deprecated',
 	`master-parent-uri-id` int unsigned COMMENT 'Item-uri id of the parent of the related post',
 	`parent-item` int unsigned NOT NULL DEFAULT 0 COMMENT '',
 	`receiver-uid` mediumint unsigned NOT NULL DEFAULT 0 COMMENT 'User id',
 	 PRIMARY KEY(`id`),
-	 INDEX `master-parent-item` (`master-parent-item`),
 	 INDEX `master-parent-uri-id` (`master-parent-uri-id`),
 	 INDEX `receiver-uid` (`receiver-uid`),
 	 INDEX `notify-id` (`notify-id`),
 	FOREIGN KEY (`notify-id`) REFERENCES `notify` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
-	FOREIGN KEY (`master-parent-item`) REFERENCES `item` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
 	FOREIGN KEY (`master-parent-uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
 	FOREIGN KEY (`receiver-uid`) REFERENCES `user` (`uid`) ON UPDATE RESTRICT ON DELETE CASCADE
 ) DEFAULT COLLATE utf8mb4_general_ci COMMENT='';
@@ -1748,7 +1746,6 @@ DROP VIEW IF EXISTS `post-thread-view`;
 CREATE VIEW `post-thread-view` AS SELECT 
 	`post-user`.`id` AS `id`,
 	`item`.`id` AS `item-id`,
-	`post-user`.`id` AS `iid`,
 	`post-user`.`id` AS `post-user-id`,
 	`post-thread-user`.`uid` AS `uid`,
 	`parent-post`.`id` AS `parent`,

mod/editpost.php

@@ -46,7 +46,7 @@ function editpost_content(App $a)
 	}
 
 	$fields = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
-		'type', 'body', 'title', 'uri-id', 'wall', 'post-type', 'guid'];
+		'body', 'title', 'uri-id', 'wall', 'post-type', 'guid'];
 
 	$item = Post::selectFirstForUser(local_user(), $fields, ['id' => $post_id, 'uid' => local_user()]);
 

src/Model/Post.php

@@ -224,7 +224,7 @@ class Post
 			$selected = array_merge(Item::DISPLAY_FIELDLIST, Item::ITEM_FIELDLIST);
 
 			if ($view == 'post-thread-view') {
-				$selected = array_merge($selected, ['ignored', 'iid']);
+				$selected = array_merge($selected, ['ignored']);
 			}
 		}
 

src/Module/Update/Profile.php

@@ -68,9 +68,12 @@ class Profile extends BaseModule
 
 		$last_updated = $last_updated_array[$last_updated_key] ?? 0;
 
+		if ($_GET['force'] && !empty($_GET['item'])) {
+			// When the parent is provided, we only fetch this
+			$sql_extra4 = " AND `parent` = " . intval($_GET['item']);
+		} elseif ($is_owner || !$last_updated) {
 			// If the page user is the owner of the page we should query for unseen
 			// items. Otherwise use a timestamp of the last succesful update request.
-		if ($is_owner || !$last_updated) {
 			$sql_extra4 = " AND `unseen`";
 		} else {
 			$gmupdate = gmdate(DateTimeFormat::MYSQL, $last_updated);

src/Worker/RemoveContact.php

@@ -32,6 +32,10 @@ use Friendica\Model\Post;
  */
 class RemoveContact {
 	public static function execute($id) {
+		if (empty($id)) {
+			return;
+		}
+
 		// Only delete if the contact is to be deleted
 		$contact = DBA::selectFirst('contact', ['uid'], ['deleted' => true, 'id' => $id]);
 		if (!DBA::isResult($contact)) {
@@ -47,20 +51,31 @@ class RemoveContact {
 		} else {
 			$condition = ['uid' => $contact['uid'], 'contact-id' => $id];
 		}
+		if (DBStructure::existsTable('item')) {
 			do {
 				$items = Post::select(['item-id', 'post-user-id', 'uri-id', 'guid'], $condition, ['limit' => 100]);
 				while ($item = Post::fetch($items)) {
 					Logger::info('Delete removed contact item', ['id' => $item['item-id'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
-				if (DBStructure::existsTable('item')) {
 						DBA::delete('item', ['id' => $item['item-id']]);
 				}
-				Post::delete(['uri-id' => $item['uri-id']]);
-				Post\ThreadUser::delete(['post-user-id' => $item['post-user-id']]);
-				Post\Thread::delete(['uri-id' => $item['uri-id']]);
-				Post\User::delete(['id' => $item['post-user-id']]);
-			}
 				DBA::close($items);
 			} while (Post::exists($condition));
+		}
+
+		Post\User::delete(['author-id' => $id]);
+		Post\User::delete(['owner-id' => $id]);
+		Post\User::delete(['causer-id' => $id]);
+		Post\User::delete(['contact-id' => $id]);
+		Post\ThreadUser::delete(['author-id' => $id]);
+		Post\ThreadUser::delete(['owner-id' => $id]);
+		Post\ThreadUser::delete(['causer-id' => $id]);
+		Post\ThreadUser::delete(['contact-id' => $id]);
+		Post\Thread::delete(['author-id' => $id]);
+		Post\Thread::delete(['owner-id' => $id]);
+		Post\Thread::delete(['causer-id' => $id]);
+		Post::delete(['author-id' => $id]);
+		Post::delete(['owner-id' => $id]);
+		Post::delete(['causer-id' => $id]);
 
 		Photo::delete(['contact-id' => $id]);
 		$ret = DBA::delete('contact', ['id' => $id]);

static/dbstructure.config.php

@@ -55,7 +55,7 @@
 use Friendica\Database\DBA;
 
 if (!defined('DB_UPDATE_VERSION')) {
-	define('DB_UPDATE_VERSION', 1400);
+	define('DB_UPDATE_VERSION', 1401);
 }
 
 return [
@@ -951,8 +951,8 @@ return [
 			"msg" => ["type" => "mediumtext", "comment" => ""],
 			"uid" => ["type" => "mediumint unsigned", "not null" => "1", "default" => "0", "foreign" => ["user" => "uid"], "comment" => "Owner User id"],
 			"link" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
-			"iid" => ["type" => "int unsigned", "relation" => ["item" => "id"], "comment" => "item.id"],
+			"iid" => ["type" => "int unsigned", "comment" => ""],
-			"parent" => ["type" => "int unsigned", "relation" => ["item" => "id"], "comment" => ""],
+			"parent" => ["type" => "int unsigned", "comment" => ""],
 			"uri-id" => ["type" => "int unsigned", "foreign" => ["item-uri" => "id"], "comment" => "Item-uri id of the related post"],
 			"parent-uri-id" => ["type" => "int unsigned", "foreign" => ["item-uri" => "id"], "comment" => "Item-uri id of the parent of the related post"],
 			"seen" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => ""],
@@ -975,7 +975,7 @@ return [
 		"fields" => [
 			"id" => ["type" => "int unsigned", "not null" => "1", "extra" => "auto_increment", "primary" => "1", "comment" => "sequential ID"],
 			"notify-id" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "foreign" => ["notify" => "id"], "comment" => ""],
-			"master-parent-item" => ["type" => "int unsigned", "foreign" => ["item" => "id"], "comment" => ""],
+			"master-parent-item" => ["type" => "int unsigned", "comment" => "Deprecated"],
 			"master-parent-uri-id" => ["type" => "int unsigned", "foreign" => ["item-uri" => "id"], "comment" => "Item-uri id of the parent of the related post"],
 			"parent-item" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "comment" => ""],
 			"receiver-uid" => ["type" => "mediumint unsigned", "not null" => "1", "default" => "0", "foreign" => ["user" => "uid"],
@@ -983,7 +983,6 @@ return [
 		],
 		"indexes" => [
 			"PRIMARY" => ["id"],
-			"master-parent-item" => ["master-parent-item"],
 			"master-parent-uri-id" => ["master-parent-uri-id"],
 			"receiver-uid" => ["receiver-uid"],
 			"notify-id" => ["notify-id"],

static/dbview.config.php

@@ -197,7 +197,6 @@
 		"fields" => [
 			"id" => ["post-user", "id"],
 			"item-id" => ["item", "id"],
-			"iid" => ["post-user", "id"],
 			"post-user-id" => ["post-user", "id"],
 			"uid" => ["post-thread-user", "uid"],
 			"parent" => ["parent-post", "id"],