Merge pull request #9987 from annando/db-performance

Small performance improvements, new view for future use

database.sql

@@ -1,6 +1,6 @@
 -- ------------------------------------------
--- Friendica 2021.03-dev (Red Hot Poker)
+-- Friendica 2021.03-rc (Red Hot Poker)
--- DB_UPDATE_VERSION 1407
+-- DB_UPDATE_VERSION 1408
 -- ------------------------------------------
 
 
@@ -1073,7 +1073,6 @@ CREATE TABLE IF NOT EXISTS `post-thread` (
 	 INDEX `causer-id` (`causer-id`),
 	 INDEX `received` (`received`),
 	 INDEX `commented` (`commented`),
-	 INDEX `changed` (`changed`),
 	FOREIGN KEY (`uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
 	FOREIGN KEY (`owner-id`) REFERENCES `contact` (`id`) ON UPDATE RESTRICT ON DELETE RESTRICT,
 	FOREIGN KEY (`author-id`) REFERENCES `contact` (`id`) ON UPDATE RESTRICT ON DELETE RESTRICT,
@@ -1129,11 +1128,9 @@ CREATE TABLE IF NOT EXISTS `post-user` (
 	 INDEX `author-id_uid` (`author-id`,`uid`),
 	 INDEX `author-id_received` (`author-id`,`received`),
 	 INDEX `parent-uri-id_uid` (`parent-uri-id`,`uid`),
-	 INDEX `uid_hidden` (`uid`,`hidden`),
 	 INDEX `uid_contactid` (`uid`,`contact-id`),
 	 INDEX `uid_unseen_contactid` (`uid`,`unseen`,`contact-id`),
 	 INDEX `uid_unseen` (`uid`,`unseen`),
-	 INDEX `uid_unseen_wall` (`uid`,`unseen`,`wall`),
 	FOREIGN KEY (`uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
 	FOREIGN KEY (`parent-uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
 	FOREIGN KEY (`thr-parent-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
@@ -1185,11 +1182,10 @@ CREATE TABLE IF NOT EXISTS `post-thread-user` (
 	 INDEX `psid` (`psid`),
 	 INDEX `post-user-id` (`post-user-id`),
 	 INDEX `commented` (`commented`),
-	 INDEX `received` (`received`),
+	 INDEX `uid_received` (`uid`,`received`),
-	 INDEX `author-id_received` (`author-id`,`received`),
 	 INDEX `uid_pinned` (`uid`,`pinned`),
 	 INDEX `uid_commented` (`uid`,`commented`),
-	 INDEX `mention_uid` (`mention`,`uid`),
+	 INDEX `uid_starred` (`uid`,`starred`),
 	 INDEX `uid_mention` (`uid`,`mention`),
 	FOREIGN KEY (`uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
 	FOREIGN KEY (`owner-id`) REFERENCES `contact` (`id`) ON UPDATE RESTRICT ON DELETE RESTRICT,
@@ -1777,6 +1773,196 @@ CREATE VIEW `post-thread-user-view` AS SELECT
 			LEFT JOIN `post-user` AS `parent-post` ON `parent-post`.`uri-id` = `post-user`.`parent-uri-id` AND `parent-post`.`uid` = `post-thread-user`.`uid`
 			LEFT JOIN `contact` AS `parent-post-author` ON `parent-post-author`.`id` = `parent-post`.`author-id`;
 
+--
+-- VIEW post-view
+--
+DROP VIEW IF EXISTS `post-view`;
+CREATE VIEW `post-view` AS SELECT 
+	`item-uri`.`uri` AS `uri`,
+	`post`.`uri-id` AS `uri-id`,
+	`parent-item-uri`.`uri` AS `parent-uri`,
+	`post`.`parent-uri-id` AS `parent-uri-id`,
+	`thr-parent-item-uri`.`uri` AS `thr-parent`,
+	`post`.`thr-parent-id` AS `thr-parent-id`,
+	`item-uri`.`guid` AS `guid`,
+	`post`.`gravity` AS `gravity`,
+	`external-item-uri`.`uri` AS `extid`,
+	`post`.`external-id` AS `external-id`,
+	`post`.`created` AS `created`,
+	`post`.`edited` AS `edited`,
+	`post-thread`.`commented` AS `commented`,
+	`post`.`received` AS `received`,
+	`post-thread`.`changed` AS `changed`,
+	`post`.`post-type` AS `post-type`,
+	`post`.`private` AS `private`,
+	`post`.`visible` AS `visible`,
+	`post`.`deleted` AS `deleted`,
+	`post`.`global` AS `global`,
+	`post`.`network` AS `network`,
+	`post`.`vid` AS `vid`,
+	IF (`post`.`vid` IS NULL, '', `verb`.`name`) AS `verb`,
+	`post-content`.`title` AS `title`,
+	`post-content`.`content-warning` AS `content-warning`,
+	`post-content`.`raw-body` AS `raw-body`,
+	`post-content`.`body` AS `body`,
+	`post-content`.`rendered-hash` AS `rendered-hash`,
+	`post-content`.`rendered-html` AS `rendered-html`,
+	`post-content`.`language` AS `language`,
+	`post-content`.`plink` AS `plink`,
+	`post-content`.`location` AS `location`,
+	`post-content`.`coord` AS `coord`,
+	`post-content`.`app` AS `app`,
+	`post-content`.`object-type` AS `object-type`,
+	`post-content`.`object` AS `object`,
+	`post-content`.`target-type` AS `target-type`,
+	`post-content`.`target` AS `target`,
+	`post-content`.`resource-id` AS `resource-id`,
+	`post`.`author-id` AS `author-id`,
+	`author`.`url` AS `author-link`,
+	`author`.`addr` AS `author-addr`,
+	`author`.`name` AS `author-name`,
+	`author`.`nick` AS `author-nick`,
+	`author`.`thumb` AS `author-avatar`,
+	`author`.`network` AS `author-network`,
+	`author`.`blocked` AS `author-blocked`,
+	`author`.`hidden` AS `author-hidden`,
+	`post`.`owner-id` AS `owner-id`,
+	`owner`.`url` AS `owner-link`,
+	`owner`.`addr` AS `owner-addr`,
+	`owner`.`name` AS `owner-name`,
+	`owner`.`nick` AS `owner-nick`,
+	`owner`.`thumb` AS `owner-avatar`,
+	`owner`.`network` AS `owner-network`,
+	`owner`.`blocked` AS `owner-blocked`,
+	`owner`.`hidden` AS `owner-hidden`,
+	`owner`.`contact-type` AS `owner-contact-type`,
+	`post`.`causer-id` AS `causer-id`,
+	`causer`.`url` AS `causer-link`,
+	`causer`.`addr` AS `causer-addr`,
+	`causer`.`name` AS `causer-name`,
+	`causer`.`nick` AS `causer-nick`,
+	`causer`.`thumb` AS `causer-avatar`,
+	`causer`.`network` AS `causer-network`,
+	`causer`.`blocked` AS `causer-blocked`,
+	`causer`.`hidden` AS `causer-hidden`,
+	`causer`.`contact-type` AS `causer-contact-type`,
+	`diaspora-interaction`.`interaction` AS `signed_text`,
+	`parent-item-uri`.`guid` AS `parent-guid`,
+	`parent-post`.`network` AS `parent-network`,
+	`parent-post`.`author-id` AS `parent-author-id`,
+	`parent-post-author`.`url` AS `parent-author-link`,
+	`parent-post-author`.`name` AS `parent-author-name`,
+	`parent-post-author`.`network` AS `parent-author-network`
+	FROM `post`
+			STRAIGHT_JOIN `post-thread` ON `post-thread`.`uri-id` = `post`.`parent-uri-id`
+			STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = `post`.`author-id`
+			STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = `post`.`owner-id`
+			LEFT JOIN `contact` AS `causer` ON `causer`.`id` = `post`.`causer-id`
+			LEFT JOIN `item-uri` ON `item-uri`.`id` = `post`.`uri-id`
+			LEFT JOIN `item-uri` AS `thr-parent-item-uri` ON `thr-parent-item-uri`.`id` = `post`.`thr-parent-id`
+			LEFT JOIN `item-uri` AS `parent-item-uri` ON `parent-item-uri`.`id` = `post`.`parent-uri-id`
+			LEFT JOIN `item-uri` AS `external-item-uri` ON `external-item-uri`.`id` = `post`.`external-id`
+			LEFT JOIN `verb` ON `verb`.`id` = `post`.`vid`
+			LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `post`.`uri-id`
+			LEFT JOIN `post-content` ON `post-content`.`uri-id` = `post`.`uri-id`
+			LEFT JOIN `post` AS `parent-post` ON `parent-post`.`uri-id` = `post`.`parent-uri-id`
+			LEFT JOIN `contact` AS `parent-post-author` ON `parent-post-author`.`id` = `parent-post`.`author-id`;
+
+--
+-- VIEW post-thread-view
+--
+DROP VIEW IF EXISTS `post-thread-view`;
+CREATE VIEW `post-thread-view` AS SELECT 
+	`item-uri`.`uri` AS `uri`,
+	`post-thread`.`uri-id` AS `uri-id`,
+	`parent-item-uri`.`uri` AS `parent-uri`,
+	`post`.`parent-uri-id` AS `parent-uri-id`,
+	`thr-parent-item-uri`.`uri` AS `thr-parent`,
+	`post`.`thr-parent-id` AS `thr-parent-id`,
+	`item-uri`.`guid` AS `guid`,
+	`post`.`gravity` AS `gravity`,
+	`external-item-uri`.`uri` AS `extid`,
+	`post`.`external-id` AS `external-id`,
+	`post-thread`.`created` AS `created`,
+	`post`.`edited` AS `edited`,
+	`post-thread`.`commented` AS `commented`,
+	`post-thread`.`received` AS `received`,
+	`post-thread`.`changed` AS `changed`,
+	`post`.`post-type` AS `post-type`,
+	`post`.`private` AS `private`,
+	`post`.`visible` AS `visible`,
+	`post`.`deleted` AS `deleted`,
+	`post`.`global` AS `global`,
+	`post-thread`.`network` AS `network`,
+	`post`.`vid` AS `vid`,
+	IF (`post`.`vid` IS NULL, '', `verb`.`name`) AS `verb`,
+	`post-content`.`title` AS `title`,
+	`post-content`.`content-warning` AS `content-warning`,
+	`post-content`.`raw-body` AS `raw-body`,
+	`post-content`.`body` AS `body`,
+	`post-content`.`rendered-hash` AS `rendered-hash`,
+	`post-content`.`rendered-html` AS `rendered-html`,
+	`post-content`.`language` AS `language`,
+	`post-content`.`plink` AS `plink`,
+	`post-content`.`location` AS `location`,
+	`post-content`.`coord` AS `coord`,
+	`post-content`.`app` AS `app`,
+	`post-content`.`object-type` AS `object-type`,
+	`post-content`.`object` AS `object`,
+	`post-content`.`target-type` AS `target-type`,
+	`post-content`.`target` AS `target`,
+	`post-content`.`resource-id` AS `resource-id`,
+	`post-thread`.`author-id` AS `author-id`,
+	`author`.`url` AS `author-link`,
+	`author`.`addr` AS `author-addr`,
+	`author`.`name` AS `author-name`,
+	`author`.`nick` AS `author-nick`,
+	`author`.`thumb` AS `author-avatar`,
+	`author`.`network` AS `author-network`,
+	`author`.`blocked` AS `author-blocked`,
+	`author`.`hidden` AS `author-hidden`,
+	`post-thread`.`owner-id` AS `owner-id`,
+	`owner`.`url` AS `owner-link`,
+	`owner`.`addr` AS `owner-addr`,
+	`owner`.`name` AS `owner-name`,
+	`owner`.`nick` AS `owner-nick`,
+	`owner`.`thumb` AS `owner-avatar`,
+	`owner`.`network` AS `owner-network`,
+	`owner`.`blocked` AS `owner-blocked`,
+	`owner`.`hidden` AS `owner-hidden`,
+	`owner`.`contact-type` AS `owner-contact-type`,
+	`post-thread`.`causer-id` AS `causer-id`,
+	`causer`.`url` AS `causer-link`,
+	`causer`.`addr` AS `causer-addr`,
+	`causer`.`name` AS `causer-name`,
+	`causer`.`nick` AS `causer-nick`,
+	`causer`.`thumb` AS `causer-avatar`,
+	`causer`.`network` AS `causer-network`,
+	`causer`.`blocked` AS `causer-blocked`,
+	`causer`.`hidden` AS `causer-hidden`,
+	`causer`.`contact-type` AS `causer-contact-type`,
+	`diaspora-interaction`.`interaction` AS `signed_text`,
+	`parent-item-uri`.`guid` AS `parent-guid`,
+	`parent-post`.`network` AS `parent-network`,
+	`parent-post`.`author-id` AS `parent-author-id`,
+	`parent-post-author`.`url` AS `parent-author-link`,
+	`parent-post-author`.`name` AS `parent-author-name`,
+	`parent-post-author`.`network` AS `parent-author-network`
+	FROM `post-thread`
+			INNER JOIN `post` ON `post`.`uri-id` = `post-thread`.`uri-id`
+			STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = `post-thread`.`author-id`
+			STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = `post-thread`.`owner-id`
+			LEFT JOIN `contact` AS `causer` ON `causer`.`id` = `post-thread`.`causer-id`
+			LEFT JOIN `item-uri` ON `item-uri`.`id` = `post-thread`.`uri-id`
+			LEFT JOIN `item-uri` AS `thr-parent-item-uri` ON `thr-parent-item-uri`.`id` = `post`.`thr-parent-id`
+			LEFT JOIN `item-uri` AS `parent-item-uri` ON `parent-item-uri`.`id` = `post`.`parent-uri-id`
+			LEFT JOIN `item-uri` AS `external-item-uri` ON `external-item-uri`.`id` = `post`.`external-id`
+			LEFT JOIN `verb` ON `verb`.`id` = `post`.`vid`
+			LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `post-thread`.`uri-id`
+			LEFT JOIN `post-content` ON `post-content`.`uri-id` = `post-thread`.`uri-id`
+			LEFT JOIN `post` AS `parent-post` ON `parent-post`.`uri-id` = `post`.`parent-uri-id`
+			LEFT JOIN `contact` AS `parent-post-author` ON `parent-post-author`.`id` = `parent-post`.`author-id`;
+
 --
 -- VIEW category-view
 --

src/Model/Group.php

@@ -160,7 +160,7 @@ class Group
 	public static function countUnseen()
 	{
 		$stmt = DBA::p("SELECT `group`.`id`, `group`.`name`,
-				(SELECT COUNT(*) FROM `post-user-view`
+				(SELECT COUNT(*) FROM `post-user`
 					WHERE `uid` = ?
 					AND `unseen`
 					AND `contact-id` IN

src/Model/Post.php

@@ -288,7 +288,7 @@ class Post
 			AND (NOT `causer-blocked` OR `causer-id` = ? OR `causer-id` IS NULL) AND NOT `contact-blocked`
 			AND ((NOT `contact-readonly` AND NOT `contact-pending` AND (`contact-rel` IN (?, ?)))
 				OR `self` OR `gravity` != ? OR `contact-uid` = ?)
-			AND NOT EXISTS (SELECT `uri-id` FROM `post-user` WHERE `hidden` AND `uri-id` = `" . $view . "`.`uri-id` AND `uid` = ?)
+			AND NOT EXISTS (SELECT `uri-id` FROM `post-user` WHERE `uid` = ? AND `uri-id` = `" . $view . "`.`uri-id` AND `hidden`)
 			AND NOT EXISTS (SELECT `cid` FROM `user-contact` WHERE `uid` = ? AND `cid` = `author-id` AND `blocked`)
 			AND NOT EXISTS (SELECT `cid` FROM `user-contact` WHERE `uid` = ? AND `cid` = `owner-id` AND `blocked`)
 			AND NOT EXISTS (SELECT `cid` FROM `user-contact` WHERE `uid` = ? AND `cid` = `author-id` AND `ignored` AND `gravity` = ?)

static/dbstructure.config.php

@@ -55,7 +55,7 @@
 use Friendica\Database\DBA;
 
 if (!defined('DB_UPDATE_VERSION')) {
-	define('DB_UPDATE_VERSION', 1407);
+	define('DB_UPDATE_VERSION', 1408);
 }
 
 return [
@@ -1128,7 +1128,6 @@ return [
 			"causer-id" => ["causer-id"],
 			"received" => ["received"],
 			"commented" => ["commented"],
-			"changed" => ["changed"]
 		]
 	],
 	"post-user" => [
@@ -1181,11 +1180,9 @@ return [
 			"author-id_uid" => ["author-id", "uid"],
 			"author-id_received" => ["author-id", "received"],
 			"parent-uri-id_uid" => ["parent-uri-id", "uid"],
-			"uid_hidden" => ["uid", "hidden"],
 			"uid_contactid" => ["uid", "contact-id"],
 			"uid_unseen_contactid" => ["uid", "unseen", "contact-id"],
 			"uid_unseen" => ["uid", "unseen"],
-			"uid_unseen_wall" => ["uid", "unseen", "wall"],
 		],
 	],
 	"post-thread-user" => [
@@ -1226,11 +1223,10 @@ return [
 			"psid" => ["psid"],
 			"post-user-id" => ["post-user-id"],
 			"commented" => ["commented"],
-			"received" => ["received"],
+			"uid_received" => ["uid", "received"],
-			"author-id_received" => ["author-id", "received"],
 			"uid_pinned" => ["uid", "pinned"],
 			"uid_commented" => ["uid", "commented"],
-			"mention_uid" => ["mention", "uid"],
+			"uid_starred" => ["uid", "starred"],
 			"uid_mention" => ["uid", "mention"],
 		]
 	],

static/dbview.config.php

@@ -349,6 +349,192 @@
 			LEFT JOIN `post-user` AS `parent-post` ON `parent-post`.`uri-id` = `post-user`.`parent-uri-id` AND `parent-post`.`uid` = `post-thread-user`.`uid`
 			LEFT JOIN `contact` AS `parent-post-author` ON `parent-post-author`.`id` = `parent-post`.`author-id`"
 	],
+	"post-view" => [
+		"fields" => [
+			"uri" => ["item-uri", "uri"],
+			"uri-id" => ["post", "uri-id"],
+			"parent-uri" => ["parent-item-uri", "uri"],
+			"parent-uri-id" => ["post", "parent-uri-id"],
+			"thr-parent" => ["thr-parent-item-uri", "uri"],
+			"thr-parent-id" => ["post", "thr-parent-id"],
+			"guid" => ["item-uri", "guid"],
+			"gravity" => ["post", "gravity"],
+			"extid" => ["external-item-uri", "uri"],
+			"external-id" => ["post", "external-id"],
+			"created" => ["post", "created"],
+			"edited" => ["post", "edited"],
+			"commented" => ["post-thread", "commented"],
+			"received" => ["post", "received"],
+			"changed" => ["post-thread", "changed"],
+			"post-type" => ["post", "post-type"],
+			"private" => ["post", "private"],
+			"visible" => ["post", "visible"],
+			"deleted" => ["post", "deleted"],
+			"global" => ["post", "global"],
+			"network" => ["post", "network"],
+			"vid" => ["post", "vid"],
+			"verb" => "IF (`post`.`vid` IS NULL, '', `verb`.`name`)",
+			"title" => ["post-content", "title"],
+			"content-warning" => ["post-content", "content-warning"],
+			"raw-body" => ["post-content", "raw-body"],
+			"body" => ["post-content", "body"],
+			"rendered-hash" => ["post-content", "rendered-hash"],
+			"rendered-html" => ["post-content", "rendered-html"],
+			"language" => ["post-content", "language"],
+			"plink" => ["post-content", "plink"],
+			"location" => ["post-content", "location"],
+			"coord" => ["post-content", "coord"],
+			"app" => ["post-content", "app"],
+			"object-type" => ["post-content", "object-type"],
+			"object" => ["post-content", "object"],
+			"target-type" => ["post-content", "target-type"],
+			"target" => ["post-content", "target"],
+			"resource-id" => ["post-content", "resource-id"],
+			"author-id" => ["post", "author-id"],
+			"author-link" => ["author", "url"],
+			"author-addr" => ["author", "addr"],
+			"author-name" => ["author", "name"],
+			"author-nick" => ["author", "nick"],
+			"author-avatar" => ["author", "thumb"],
+			"author-network" => ["author", "network"],
+			"author-blocked" => ["author", "blocked"],
+			"author-hidden" => ["author", "hidden"],
+			"owner-id" => ["post", "owner-id"],
+			"owner-link" => ["owner", "url"],
+			"owner-addr" => ["owner", "addr"],
+			"owner-name" => ["owner", "name"],
+			"owner-nick" => ["owner", "nick"],
+			"owner-avatar" => ["owner", "thumb"],
+			"owner-network" => ["owner", "network"],
+			"owner-blocked" => ["owner", "blocked"],
+			"owner-hidden" => ["owner", "hidden"],
+			"owner-contact-type" => ["owner", "contact-type"],
+			"causer-id" => ["post", "causer-id"],
+			"causer-link" => ["causer", "url"],
+			"causer-addr" => ["causer", "addr"],
+			"causer-name" => ["causer", "name"],
+			"causer-nick" => ["causer", "nick"],
+			"causer-avatar" => ["causer", "thumb"],
+			"causer-network" => ["causer", "network"],
+			"causer-blocked" => ["causer", "blocked"],
+			"causer-hidden" => ["causer", "hidden"],
+			"causer-contact-type" => ["causer", "contact-type"],
+			"signed_text" => ["diaspora-interaction", "interaction"],
+			"parent-guid" => ["parent-item-uri", "guid"],
+			"parent-network" => ["parent-post", "network"],
+			"parent-author-id" => ["parent-post", "author-id"],
+			"parent-author-link" => ["parent-post-author", "url"],
+			"parent-author-name" => ["parent-post-author", "name"],
+			"parent-author-network" => ["parent-post-author", "network"],
+		],
+		"query" => "FROM `post`
+			STRAIGHT_JOIN `post-thread` ON `post-thread`.`uri-id` = `post`.`parent-uri-id`
+			STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = `post`.`author-id`
+			STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = `post`.`owner-id`
+			LEFT JOIN `contact` AS `causer` ON `causer`.`id` = `post`.`causer-id`
+			LEFT JOIN `item-uri` ON `item-uri`.`id` = `post`.`uri-id`
+			LEFT JOIN `item-uri` AS `thr-parent-item-uri` ON `thr-parent-item-uri`.`id` = `post`.`thr-parent-id`
+			LEFT JOIN `item-uri` AS `parent-item-uri` ON `parent-item-uri`.`id` = `post`.`parent-uri-id`
+			LEFT JOIN `item-uri` AS `external-item-uri` ON `external-item-uri`.`id` = `post`.`external-id`
+			LEFT JOIN `verb` ON `verb`.`id` = `post`.`vid`
+			LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `post`.`uri-id`
+			LEFT JOIN `post-content` ON `post-content`.`uri-id` = `post`.`uri-id`
+			LEFT JOIN `post` AS `parent-post` ON `parent-post`.`uri-id` = `post`.`parent-uri-id`
+			LEFT JOIN `contact` AS `parent-post-author` ON `parent-post-author`.`id` = `parent-post`.`author-id`"
+	],
+	"post-thread-view" => [
+		"fields" => [
+			"uri" => ["item-uri", "uri"],
+			"uri-id" => ["post-thread", "uri-id"],
+			"parent-uri" => ["parent-item-uri", "uri"],
+			"parent-uri-id" => ["post", "parent-uri-id"],
+			"thr-parent" => ["thr-parent-item-uri", "uri"],
+			"thr-parent-id" => ["post", "thr-parent-id"],
+			"guid" => ["item-uri", "guid"],
+			"gravity" => ["post", "gravity"],
+			"extid" => ["external-item-uri", "uri"],
+			"external-id" => ["post", "external-id"],
+			"created" => ["post-thread", "created"],
+			"edited" => ["post", "edited"],
+			"commented" => ["post-thread", "commented"],
+			"received" => ["post-thread", "received"],
+			"changed" => ["post-thread", "changed"],
+			"post-type" => ["post", "post-type"],
+			"private" => ["post", "private"],
+			"visible" => ["post", "visible"],
+			"deleted" => ["post", "deleted"],
+			"global" => ["post", "global"],
+			"network" => ["post-thread", "network"],
+			"vid" => ["post", "vid"],
+			"verb" => "IF (`post`.`vid` IS NULL, '', `verb`.`name`)",
+			"title" => ["post-content", "title"],
+			"content-warning" => ["post-content", "content-warning"],
+			"raw-body" => ["post-content", "raw-body"],
+			"body" => ["post-content", "body"],
+			"rendered-hash" => ["post-content", "rendered-hash"],
+			"rendered-html" => ["post-content", "rendered-html"],
+			"language" => ["post-content", "language"],
+			"plink" => ["post-content", "plink"],
+			"location" => ["post-content", "location"],
+			"coord" => ["post-content", "coord"],
+			"app" => ["post-content", "app"],
+			"object-type" => ["post-content", "object-type"],
+			"object" => ["post-content", "object"],
+			"target-type" => ["post-content", "target-type"],
+			"target" => ["post-content", "target"],
+			"resource-id" => ["post-content", "resource-id"],
+			"author-id" => ["post-thread", "author-id"],
+			"author-link" => ["author", "url"],
+			"author-addr" => ["author", "addr"],
+			"author-name" => ["author", "name"],
+			"author-nick" => ["author", "nick"],
+			"author-avatar" => ["author", "thumb"],
+			"author-network" => ["author", "network"],
+			"author-blocked" => ["author", "blocked"],
+			"author-hidden" => ["author", "hidden"],
+			"owner-id" => ["post-thread", "owner-id"],
+			"owner-link" => ["owner", "url"],
+			"owner-addr" => ["owner", "addr"],
+			"owner-name" => ["owner", "name"],
+			"owner-nick" => ["owner", "nick"],
+			"owner-avatar" => ["owner", "thumb"],
+			"owner-network" => ["owner", "network"],
+			"owner-blocked" => ["owner", "blocked"],
+			"owner-hidden" => ["owner", "hidden"],
+			"owner-contact-type" => ["owner", "contact-type"],
+			"causer-id" => ["post-thread", "causer-id"],
+			"causer-link" => ["causer", "url"],
+			"causer-addr" => ["causer", "addr"],
+			"causer-name" => ["causer", "name"],
+			"causer-nick" => ["causer", "nick"],
+			"causer-avatar" => ["causer", "thumb"],
+			"causer-network" => ["causer", "network"],
+			"causer-blocked" => ["causer", "blocked"],
+			"causer-hidden" => ["causer", "hidden"],
+			"causer-contact-type" => ["causer", "contact-type"],
+			"signed_text" => ["diaspora-interaction", "interaction"],
+			"parent-guid" => ["parent-item-uri", "guid"],
+			"parent-network" => ["parent-post", "network"],
+			"parent-author-id" => ["parent-post", "author-id"],
+			"parent-author-link" => ["parent-post-author", "url"],
+			"parent-author-name" => ["parent-post-author", "name"],
+			"parent-author-network" => ["parent-post-author", "network"],
+		],
+		"query" => "FROM `post-thread`
+			INNER JOIN `post` ON `post`.`uri-id` = `post-thread`.`uri-id`
+			STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = `post-thread`.`author-id`
+			STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = `post-thread`.`owner-id`
+			LEFT JOIN `contact` AS `causer` ON `causer`.`id` = `post-thread`.`causer-id`
+			LEFT JOIN `item-uri` ON `item-uri`.`id` = `post-thread`.`uri-id`
+			LEFT JOIN `item-uri` AS `thr-parent-item-uri` ON `thr-parent-item-uri`.`id` = `post`.`thr-parent-id`
+			LEFT JOIN `item-uri` AS `parent-item-uri` ON `parent-item-uri`.`id` = `post`.`parent-uri-id`
+			LEFT JOIN `item-uri` AS `external-item-uri` ON `external-item-uri`.`id` = `post`.`external-id`
+			LEFT JOIN `verb` ON `verb`.`id` = `post`.`vid`
+			LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `post-thread`.`uri-id`
+			LEFT JOIN `post-content` ON `post-content`.`uri-id` = `post-thread`.`uri-id`
+			LEFT JOIN `post` AS `parent-post` ON `parent-post`.`uri-id` = `post`.`parent-uri-id`
+			LEFT JOIN `contact` AS `parent-post-author` ON `parent-post-author`.`id` = `parent-post`.`author-id`"
+	],
 	"category-view" => [
 		"fields" => [
 			"uri-id" => ["post-category", "uri-id"],