From b154bc7a10e46dc9fa0406996507c4fd410366da Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@fakecake.org>
Date: Mon, 14 Apr 2025 12:59:00 +0300
Subject: [PATCH] initial attempt to remove mysql-related stuff from tt-rss

---
 .docker/app/Dockerfile       |   1 -
 classes/Article.php          |  43 ++--
 classes/Config.php           |  49 +---
 classes/Db.php               |  38 +---
 classes/Db_Migrations.php    |   7 +-
 classes/FeedItem_Common.php  |   6 +-
 classes/Feeds.php            | 124 +++-------
 classes/Pref_Feeds.php       |  20 +-
 classes/Pref_Prefs.php       |   4 -
 classes/RPC.php              |  39 +---
 classes/RSSUtils.php         |  85 ++-----
 include/functions.php        |   6 +-
 sql/mysql/migrations/10.sql  |  12 -
 sql/mysql/migrations/100.sql |   7 -
 sql/mysql/migrations/101.sql |  12 -
 sql/mysql/migrations/102.sql |   7 -
 sql/mysql/migrations/103.sql |   7 -
 sql/mysql/migrations/104.sql |   7 -
 sql/mysql/migrations/105.sql |  11 -
 sql/mysql/migrations/106.sql |  12 -
 sql/mysql/migrations/107.sql |  15 --
 sql/mysql/migrations/108.sql |   7 -
 sql/mysql/migrations/109.sql |   7 -
 sql/mysql/migrations/11.sql  |  18 --
 sql/mysql/migrations/110.sql |   7 -
 sql/mysql/migrations/111.sql |   7 -
 sql/mysql/migrations/112.sql |  15 --
 sql/mysql/migrations/113.sql |   8 -
 sql/mysql/migrations/114.sql |  15 --
 sql/mysql/migrations/115.sql |   9 -
 sql/mysql/migrations/116.sql |   7 -
 sql/mysql/migrations/117.sql |   8 -
 sql/mysql/migrations/118.sql |  16 --
 sql/mysql/migrations/119.sql |   7 -
 sql/mysql/migrations/12.sql  |  12 -
 sql/mysql/migrations/120.sql |   7 -
 sql/mysql/migrations/121.sql |   7 -
 sql/mysql/migrations/122.sql |   7 -
 sql/mysql/migrations/123.sql |   9 -
 sql/mysql/migrations/124.sql |   8 -
 sql/mysql/migrations/125.sql |  10 -
 sql/mysql/migrations/126.sql |   8 -
 sql/mysql/migrations/127.sql |   5 -
 sql/mysql/migrations/128.sql |  13 --
 sql/mysql/migrations/129.sql |   8 -
 sql/mysql/migrations/13.sql  |   6 -
 sql/mysql/migrations/130.sql |   7 -
 sql/mysql/migrations/131.sql |   7 -
 sql/mysql/migrations/132.sql |  10 -
 sql/mysql/migrations/133.sql |   7 -
 sql/mysql/migrations/134.sql |   7 -
 sql/mysql/migrations/135.sql |   8 -
 sql/mysql/migrations/136.sql |   9 -
 sql/mysql/migrations/137.sql |   7 -
 sql/mysql/migrations/138.sql |   7 -
 sql/mysql/migrations/139.sql |  13 --
 sql/mysql/migrations/14.sql  |   4 -
 sql/mysql/migrations/140.sql |   4 -
 sql/mysql/migrations/141.sql |   9 -
 sql/mysql/migrations/142.sql |   4 -
 sql/mysql/migrations/143.sql |   2 -
 sql/mysql/migrations/144.sql |   2 -
 sql/mysql/migrations/145.sql |   2 -
 sql/mysql/migrations/146.sql |   2 -
 sql/mysql/migrations/147.sql |   2 -
 sql/mysql/migrations/148.sql |   1 -
 sql/mysql/migrations/15.sql  |   5 -
 sql/mysql/migrations/16.sql  |   6 -
 sql/mysql/migrations/17.sql  |  13 --
 sql/mysql/migrations/18.sql  |   3 -
 sql/mysql/migrations/19.sql  |  11 -
 sql/mysql/migrations/20.sql  |   3 -
 sql/mysql/migrations/21.sql  |   3 -
 sql/mysql/migrations/22.sql  |   8 -
 sql/mysql/migrations/23.sql  |   3 -
 sql/mysql/migrations/24.sql  |   3 -
 sql/mysql/migrations/25.sql  |   3 -
 sql/mysql/migrations/26.sql  |  15 --
 sql/mysql/migrations/27.sql  |   4 -
 sql/mysql/migrations/28.sql  |   3 -
 sql/mysql/migrations/29.sql  |   3 -
 sql/mysql/migrations/3.sql   |  43 ----
 sql/mysql/migrations/30.sql  |   4 -
 sql/mysql/migrations/31.sql  |   6 -
 sql/mysql/migrations/32.sql  |   6 -
 sql/mysql/migrations/33.sql  |   3 -
 sql/mysql/migrations/34.sql  |   3 -
 sql/mysql/migrations/35.sql  |   1 -
 sql/mysql/migrations/36.sql  |   9 -
 sql/mysql/migrations/37.sql  |   4 -
 sql/mysql/migrations/38.sql  |   3 -
 sql/mysql/migrations/39.sql  |   5 -
 sql/mysql/migrations/4.sql   |  17 --
 sql/mysql/migrations/40.sql  |   3 -
 sql/mysql/migrations/41.sql  |   6 -
 sql/mysql/migrations/42.sql  |   3 -
 sql/mysql/migrations/43.sql  |   3 -
 sql/mysql/migrations/44.sql  |   9 -
 sql/mysql/migrations/45.sql  |   3 -
 sql/mysql/migrations/46.sql  |   4 -
 sql/mysql/migrations/47.sql  |   9 -
 sql/mysql/migrations/48.sql  |   6 -
 sql/mysql/migrations/49.sql  |   5 -
 sql/mysql/migrations/5.sql   |  12 -
 sql/mysql/migrations/50.sql  |  19 --
 sql/mysql/migrations/51.sql  |  16 --
 sql/mysql/migrations/52.sql  |   5 -
 sql/mysql/migrations/53.sql  |  11 -
 sql/mysql/migrations/54.sql  |   7 -
 sql/mysql/migrations/55.sql  |   7 -
 sql/mysql/migrations/56.sql  |  16 --
 sql/mysql/migrations/57.sql  |   6 -
 sql/mysql/migrations/58.sql  |   7 -
 sql/mysql/migrations/59.sql  |  13 --
 sql/mysql/migrations/6.sql   |  20 --
 sql/mysql/migrations/60.sql  |  20 --
 sql/mysql/migrations/61.sql  |   9 -
 sql/mysql/migrations/62.sql  |  13 --
 sql/mysql/migrations/63.sql  |  18 --
 sql/mysql/migrations/64.sql  |   7 -
 sql/mysql/migrations/65.sql  |   7 -
 sql/mysql/migrations/66.sql  |   7 -
 sql/mysql/migrations/67.sql  |   5 -
 sql/mysql/migrations/68.sql  |   7 -
 sql/mysql/migrations/69.sql  |  12 -
 sql/mysql/migrations/7.sql   |  19 --
 sql/mysql/migrations/70.sql  |   6 -
 sql/mysql/migrations/71.sql  |   7 -
 sql/mysql/migrations/72.sql  |   9 -
 sql/mysql/migrations/73.sql  |   8 -
 sql/mysql/migrations/74.sql  |   9 -
 sql/mysql/migrations/75.sql  |  10 -
 sql/mysql/migrations/76.sql  |   8 -
 sql/mysql/migrations/77.sql  |   7 -
 sql/mysql/migrations/78.sql  |  15 --
 sql/mysql/migrations/79.sql  |   7 -
 sql/mysql/migrations/8.sql   |  14 --
 sql/mysql/migrations/80.sql  |   9 -
 sql/mysql/migrations/81.sql  |   7 -
 sql/mysql/migrations/82.sql  |   7 -
 sql/mysql/migrations/83.sql  |  34 ---
 sql/mysql/migrations/84.sql  |  23 --
 sql/mysql/migrations/85.sql  |  13 --
 sql/mysql/migrations/86.sql  |   9 -
 sql/mysql/migrations/87.sql  |  14 --
 sql/mysql/migrations/88.sql  |  10 -
 sql/mysql/migrations/89.sql  |   7 -
 sql/mysql/migrations/9.sql   |  29 ---
 sql/mysql/migrations/90.sql  |   7 -
 sql/mysql/migrations/91.sql  |   7 -
 sql/mysql/migrations/92.sql  |   8 -
 sql/mysql/migrations/93.sql  |  10 -
 sql/mysql/migrations/94.sql  |   7 -
 sql/mysql/migrations/95.sql  |  39 ----
 sql/mysql/migrations/96.sql  |  38 ----
 sql/mysql/migrations/97.sql  |  10 -
 sql/mysql/migrations/98.sql  |   7 -
 sql/mysql/migrations/99.sql  |  12 -
 sql/mysql/schema.sql         | 422 -----------------------------------
 159 files changed, 101 insertions(+), 2089 deletions(-)
 delete mode 100644 sql/mysql/migrations/10.sql
 delete mode 100644 sql/mysql/migrations/100.sql
 delete mode 100644 sql/mysql/migrations/101.sql
 delete mode 100644 sql/mysql/migrations/102.sql
 delete mode 100644 sql/mysql/migrations/103.sql
 delete mode 100644 sql/mysql/migrations/104.sql
 delete mode 100644 sql/mysql/migrations/105.sql
 delete mode 100644 sql/mysql/migrations/106.sql
 delete mode 100644 sql/mysql/migrations/107.sql
 delete mode 100644 sql/mysql/migrations/108.sql
 delete mode 100644 sql/mysql/migrations/109.sql
 delete mode 100644 sql/mysql/migrations/11.sql
 delete mode 100644 sql/mysql/migrations/110.sql
 delete mode 100644 sql/mysql/migrations/111.sql
 delete mode 100644 sql/mysql/migrations/112.sql
 delete mode 100644 sql/mysql/migrations/113.sql
 delete mode 100644 sql/mysql/migrations/114.sql
 delete mode 100644 sql/mysql/migrations/115.sql
 delete mode 100644 sql/mysql/migrations/116.sql
 delete mode 100644 sql/mysql/migrations/117.sql
 delete mode 100644 sql/mysql/migrations/118.sql
 delete mode 100644 sql/mysql/migrations/119.sql
 delete mode 100644 sql/mysql/migrations/12.sql
 delete mode 100644 sql/mysql/migrations/120.sql
 delete mode 100644 sql/mysql/migrations/121.sql
 delete mode 100644 sql/mysql/migrations/122.sql
 delete mode 100644 sql/mysql/migrations/123.sql
 delete mode 100644 sql/mysql/migrations/124.sql
 delete mode 100644 sql/mysql/migrations/125.sql
 delete mode 100644 sql/mysql/migrations/126.sql
 delete mode 100644 sql/mysql/migrations/127.sql
 delete mode 100644 sql/mysql/migrations/128.sql
 delete mode 100644 sql/mysql/migrations/129.sql
 delete mode 100644 sql/mysql/migrations/13.sql
 delete mode 100644 sql/mysql/migrations/130.sql
 delete mode 100644 sql/mysql/migrations/131.sql
 delete mode 100644 sql/mysql/migrations/132.sql
 delete mode 100644 sql/mysql/migrations/133.sql
 delete mode 100644 sql/mysql/migrations/134.sql
 delete mode 100644 sql/mysql/migrations/135.sql
 delete mode 100644 sql/mysql/migrations/136.sql
 delete mode 100644 sql/mysql/migrations/137.sql
 delete mode 100644 sql/mysql/migrations/138.sql
 delete mode 100644 sql/mysql/migrations/139.sql
 delete mode 100644 sql/mysql/migrations/14.sql
 delete mode 100644 sql/mysql/migrations/140.sql
 delete mode 100644 sql/mysql/migrations/141.sql
 delete mode 100644 sql/mysql/migrations/142.sql
 delete mode 100644 sql/mysql/migrations/143.sql
 delete mode 100644 sql/mysql/migrations/144.sql
 delete mode 100644 sql/mysql/migrations/145.sql
 delete mode 100644 sql/mysql/migrations/146.sql
 delete mode 100644 sql/mysql/migrations/147.sql
 delete mode 100644 sql/mysql/migrations/148.sql
 delete mode 100644 sql/mysql/migrations/15.sql
 delete mode 100644 sql/mysql/migrations/16.sql
 delete mode 100644 sql/mysql/migrations/17.sql
 delete mode 100644 sql/mysql/migrations/18.sql
 delete mode 100644 sql/mysql/migrations/19.sql
 delete mode 100644 sql/mysql/migrations/20.sql
 delete mode 100644 sql/mysql/migrations/21.sql
 delete mode 100644 sql/mysql/migrations/22.sql
 delete mode 100644 sql/mysql/migrations/23.sql
 delete mode 100644 sql/mysql/migrations/24.sql
 delete mode 100644 sql/mysql/migrations/25.sql
 delete mode 100644 sql/mysql/migrations/26.sql
 delete mode 100644 sql/mysql/migrations/27.sql
 delete mode 100644 sql/mysql/migrations/28.sql
 delete mode 100644 sql/mysql/migrations/29.sql
 delete mode 100644 sql/mysql/migrations/3.sql
 delete mode 100644 sql/mysql/migrations/30.sql
 delete mode 100644 sql/mysql/migrations/31.sql
 delete mode 100644 sql/mysql/migrations/32.sql
 delete mode 100644 sql/mysql/migrations/33.sql
 delete mode 100644 sql/mysql/migrations/34.sql
 delete mode 100644 sql/mysql/migrations/35.sql
 delete mode 100644 sql/mysql/migrations/36.sql
 delete mode 100644 sql/mysql/migrations/37.sql
 delete mode 100644 sql/mysql/migrations/38.sql
 delete mode 100644 sql/mysql/migrations/39.sql
 delete mode 100644 sql/mysql/migrations/4.sql
 delete mode 100644 sql/mysql/migrations/40.sql
 delete mode 100644 sql/mysql/migrations/41.sql
 delete mode 100644 sql/mysql/migrations/42.sql
 delete mode 100644 sql/mysql/migrations/43.sql
 delete mode 100644 sql/mysql/migrations/44.sql
 delete mode 100644 sql/mysql/migrations/45.sql
 delete mode 100644 sql/mysql/migrations/46.sql
 delete mode 100644 sql/mysql/migrations/47.sql
 delete mode 100644 sql/mysql/migrations/48.sql
 delete mode 100644 sql/mysql/migrations/49.sql
 delete mode 100644 sql/mysql/migrations/5.sql
 delete mode 100644 sql/mysql/migrations/50.sql
 delete mode 100644 sql/mysql/migrations/51.sql
 delete mode 100644 sql/mysql/migrations/52.sql
 delete mode 100644 sql/mysql/migrations/53.sql
 delete mode 100644 sql/mysql/migrations/54.sql
 delete mode 100644 sql/mysql/migrations/55.sql
 delete mode 100644 sql/mysql/migrations/56.sql
 delete mode 100644 sql/mysql/migrations/57.sql
 delete mode 100644 sql/mysql/migrations/58.sql
 delete mode 100644 sql/mysql/migrations/59.sql
 delete mode 100644 sql/mysql/migrations/6.sql
 delete mode 100644 sql/mysql/migrations/60.sql
 delete mode 100644 sql/mysql/migrations/61.sql
 delete mode 100644 sql/mysql/migrations/62.sql
 delete mode 100644 sql/mysql/migrations/63.sql
 delete mode 100644 sql/mysql/migrations/64.sql
 delete mode 100644 sql/mysql/migrations/65.sql
 delete mode 100644 sql/mysql/migrations/66.sql
 delete mode 100644 sql/mysql/migrations/67.sql
 delete mode 100644 sql/mysql/migrations/68.sql
 delete mode 100644 sql/mysql/migrations/69.sql
 delete mode 100644 sql/mysql/migrations/7.sql
 delete mode 100644 sql/mysql/migrations/70.sql
 delete mode 100644 sql/mysql/migrations/71.sql
 delete mode 100644 sql/mysql/migrations/72.sql
 delete mode 100644 sql/mysql/migrations/73.sql
 delete mode 100644 sql/mysql/migrations/74.sql
 delete mode 100644 sql/mysql/migrations/75.sql
 delete mode 100644 sql/mysql/migrations/76.sql
 delete mode 100644 sql/mysql/migrations/77.sql
 delete mode 100644 sql/mysql/migrations/78.sql
 delete mode 100644 sql/mysql/migrations/79.sql
 delete mode 100644 sql/mysql/migrations/8.sql
 delete mode 100644 sql/mysql/migrations/80.sql
 delete mode 100644 sql/mysql/migrations/81.sql
 delete mode 100644 sql/mysql/migrations/82.sql
 delete mode 100644 sql/mysql/migrations/83.sql
 delete mode 100644 sql/mysql/migrations/84.sql
 delete mode 100644 sql/mysql/migrations/85.sql
 delete mode 100644 sql/mysql/migrations/86.sql
 delete mode 100644 sql/mysql/migrations/87.sql
 delete mode 100644 sql/mysql/migrations/88.sql
 delete mode 100644 sql/mysql/migrations/89.sql
 delete mode 100644 sql/mysql/migrations/9.sql
 delete mode 100644 sql/mysql/migrations/90.sql
 delete mode 100644 sql/mysql/migrations/91.sql
 delete mode 100644 sql/mysql/migrations/92.sql
 delete mode 100644 sql/mysql/migrations/93.sql
 delete mode 100644 sql/mysql/migrations/94.sql
 delete mode 100644 sql/mysql/migrations/95.sql
 delete mode 100644 sql/mysql/migrations/96.sql
 delete mode 100644 sql/mysql/migrations/97.sql
 delete mode 100644 sql/mysql/migrations/98.sql
 delete mode 100644 sql/mysql/migrations/99.sql
 delete mode 100644 sql/mysql/schema.sql

diff --git a/.docker/app/Dockerfile b/.docker/app/Dockerfile
index 7a87f7ea3..9ca767608 100644
--- a/.docker/app/Dockerfile
+++ b/.docker/app/Dockerfile
@@ -95,7 +95,6 @@ ENV TTRSS_DB_TYPE="pgsql"
 ENV TTRSS_DB_HOST="db"
 ENV TTRSS_DB_PORT="5432"
 
-ENV TTRSS_MYSQL_CHARSET="UTF8"
 ENV TTRSS_PHP_EXECUTABLE="/usr/bin/php${PHP_SUFFIX}"
 ENV TTRSS_PLUGINS="auth_internal, note, nginx_xaccel"
 
diff --git a/classes/Article.php b/classes/Article.php
index efb5e4e89..bfff11e6b 100644
--- a/classes/Article.php
+++ b/classes/Article.php
@@ -85,15 +85,13 @@ class Article extends Handler_Protected {
 					content = ?, content_hash = ? WHERE id = ?");
 				$sth->execute([$content, $content_hash, $ref_id]);
 
-				if (Config::get(Config::DB_TYPE) == "pgsql") {
-					$sth = $pdo->prepare("UPDATE ttrss_entries
-					SET tsvector_combined = to_tsvector( :ts_content)
-					WHERE id = :id");
-					$params = [
-						":ts_content" => mb_substr(\Soundasleep\Html2Text::convert($content), 0, 900000),
-						":id" => $ref_id];
-					$sth->execute($params);
-				}
+				$sth = $pdo->prepare("UPDATE ttrss_entries
+				SET tsvector_combined = to_tsvector( :ts_content)
+				WHERE id = :id");
+				$params = [
+					":ts_content" => mb_substr(\Soundasleep\Html2Text::convert($content), 0, 900000),
+					":id" => $ref_id];
+				$sth->execute($params);
 
 				$sth = $pdo->prepare("UPDATE ttrss_user_entries SET published = true,
 						last_published = NOW() WHERE
@@ -130,15 +128,15 @@ class Article extends Handler_Protected {
 
 			if ($row = $sth->fetch()) {
 				$ref_id = $row["id"];
-				if (Config::get(Config::DB_TYPE) == "pgsql"){
-					$sth = $pdo->prepare("UPDATE ttrss_entries
-					SET tsvector_combined = to_tsvector( :ts_content)
-					WHERE id = :id");
-					$params = [
-						":ts_content" => mb_substr(\Soundasleep\Html2Text::convert($content), 0, 900000),
-						":id" => $ref_id];
-					$sth->execute($params);
-				}
+
+				$sth = $pdo->prepare("UPDATE ttrss_entries
+				SET tsvector_combined = to_tsvector( :ts_content)
+				WHERE id = :id");
+				$params = [
+					":ts_content" => mb_substr(\Soundasleep\Html2Text::convert($content), 0, 900000),
+					":id" => $ref_id];
+				$sth->execute($params);
+
 				$sth = $pdo->prepare("INSERT INTO ttrss_user_entries
 					(ref_id, uuid, feed_id, orig_feed_id, owner_uid, published, tag_cache, label_cache,
 						last_read, note, unread, last_published)
@@ -465,16 +463,9 @@ class Article extends Handler_Protected {
 
 	static function _purge_orphans(): void {
 
-        // purge orphaned posts in main content table
-
-        if (Config::get(Config::DB_TYPE) == "mysql")
-            $limit_qpart = "LIMIT 5000";
-        else
-            $limit_qpart = "";
-
         $pdo = Db::pdo();
         $res = $pdo->query("DELETE FROM ttrss_entries WHERE
-			NOT EXISTS (SELECT ref_id FROM ttrss_user_entries WHERE ref_id = id) $limit_qpart");
+			NOT EXISTS (SELECT ref_id FROM ttrss_user_entries WHERE ref_id = id)");
 
         if (Debug::enabled()) {
             $rows = $res->rowCount();
diff --git a/classes/Config.php b/classes/Config.php
index 5098bfe68..f8f9aaa18 100644
--- a/classes/Config.php
+++ b/classes/Config.php
@@ -24,7 +24,7 @@ class Config {
 	 *
 	*/
 
-	/** database type: pgsql or mysql */
+	/** database type: pgsql */
 	const DB_TYPE = "DB_TYPE";
 
 	/** database server hostname */
@@ -42,10 +42,6 @@ class Config {
 	/** database server port */
 	const DB_PORT = "DB_PORT";
 
-	/** connection charset for MySQL. if you have a legacy database and/or experience
-	 * garbage unicode characters with this option, try setting it to a blank string. */
-	const MYSQL_CHARSET = "MYSQL_CHARSET";
-
 	/** this is a fallback falue for the CLI SAPI, it should be set to a fully-qualified tt-rss URL */
 	const SELF_URL_PATH = "SELF_URL_PATH";
 
@@ -204,7 +200,6 @@ class Config {
 		Config::DB_NAME => [ "", 											Config::T_STRING ],
 		Config::DB_PASS => [ "", 											Config::T_STRING ],
 		Config::DB_PORT => [ "5432",										Config::T_STRING ],
-		Config::MYSQL_CHARSET => [ "UTF8",								Config::T_STRING ],
 		Config::SELF_URL_PATH => [ "https://example.com/tt-rss", Config::T_STRING ],
 		Config::SINGLE_USER_MODE => [ "",								Config::T_BOOL ],
 		Config::SIMPLE_UPDATE_MODE => [ "",								Config::T_BOOL ],
@@ -481,25 +476,6 @@ class Config {
 	}
 	/* sanity check stuff */
 
-	/** checks for mysql tables not using InnoDB (tt-rss is incompatible with MyISAM)
-	 * @return array<int, array<string, string>> A list of entries identifying tt-rss tables with bad config
-	 */
-	private static function check_mysql_tables() {
-		$pdo = Db::pdo();
-
-		$sth = $pdo->prepare("SELECT engine, table_name FROM information_schema.tables WHERE
-				table_schema = ? AND table_name LIKE 'ttrss_%' AND engine != 'InnoDB'");
-		$sth->execute([self::get(Config::DB_NAME)]);
-
-		$bad_tables = [];
-
-		while ($line = $sth->fetch()) {
-			array_push($bad_tables, $line);
-		}
-
-		return $bad_tables;
-	}
-
 	static function sanity_check(): void {
 
 		/*
@@ -604,29 +580,6 @@ class Config {
 			}
 		}
 
-		if (self::get(Config::DB_TYPE) == "mysql") {
-			$bad_tables = self::check_mysql_tables();
-
-			if (count($bad_tables) > 0) {
-				$bad_tables_fmt = [];
-
-				foreach ($bad_tables as $bt) {
-					array_push($bad_tables_fmt, sprintf("%s (%s)", $bt['table_name'], $bt['engine']));
-				}
-
-				$msg = "<p>The following tables use an unsupported MySQL engine: <b>" .
-					implode(", ", $bad_tables_fmt) . "</b>.</p>";
-
-				$msg .= "<p>The only supported engine on MySQL is InnoDB. MyISAM lacks functionality to run
-					tt-rss.
-					Please backup your data (via OPML) and re-import the schema before continuing.</p>
-					<p><b>WARNING: importing the schema would mean LOSS OF ALL YOUR DATA.</b></p>";
-
-
-				array_push($errors, $msg);
-			}
-		}
-
 		if (count($errors) > 0 && php_sapi_name() != "cli") {
 			http_response_code(503); ?>
 
diff --git a/classes/Db.php b/classes/Db.php
index 8e0e7047b..92bbec8b4 100644
--- a/classes/Db.php
+++ b/classes/Db.php
@@ -9,9 +9,6 @@ class Db {
 		ORM::configure('username', Config::get(Config::DB_USER));
 		ORM::configure('password', Config::get(Config::DB_PASS));
 		ORM::configure('return_result_sets', true);
-		if (Config::get(Config::DB_TYPE) == "mysql" && Config::get(Config::MYSQL_CHARSET)) {
-			ORM::configure('driver_options', array(PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES ' . Config::get(Config::MYSQL_CHARSET)));
-		}
 	}
 
 	/**
@@ -29,13 +26,8 @@ class Db {
 	public static function get_dsn(): string {
 		$db_port = Config::get(Config::DB_PORT) ? ';port=' . Config::get(Config::DB_PORT) : '';
 		$db_host = Config::get(Config::DB_HOST) ? ';host=' . Config::get(Config::DB_HOST) : '';
-		if (Config::get(Config::DB_TYPE) == "mysql" && Config::get(Config::MYSQL_CHARSET)) {
-			$db_charset = ';charset=' . Config::get(Config::MYSQL_CHARSET);
-		} else {
-			$db_charset = '';
-		}
 
-		return Config::get(Config::DB_TYPE) . ':dbname=' . Config::get(Config::DB_NAME) . $db_host . $db_port . $db_charset;
+		return Config::get(Config::DB_TYPE) . ':dbname=' . Config::get(Config::DB_NAME) . $db_host . $db_port;
 	}
 
 	// this really shouldn't be used unless a separate PDO connection is needed
@@ -53,20 +45,10 @@ class Db {
 
 		$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
 
-		if (Config::get(Config::DB_TYPE) == "pgsql") {
-
-			$pdo->query("set client_encoding = 'UTF-8'");
-			$pdo->query("set datestyle = 'ISO, european'");
-			$pdo->query("set TIME ZONE 0");
-			$pdo->query("set cpu_tuple_cost = 0.5");
-
-		} else if (Config::get(Config::DB_TYPE) == "mysql") {
-			$pdo->query("SET time_zone = '+0:0'");
-
-			if (Config::get(Config::MYSQL_CHARSET)) {
-				$pdo->query("SET NAMES " . Config::get(Config::MYSQL_CHARSET));
-			}
-		}
+		$pdo->query("set client_encoding = 'UTF-8'");
+		$pdo->query("set datestyle = 'ISO, european'");
+		$pdo->query("set TIME ZONE 0");
+		$pdo->query("set cpu_tuple_cost = 0.5");
 
 		return $pdo;
 	}
@@ -90,15 +72,12 @@ class Db {
 	}
 
 	public static function sql_random_function(): string {
-		if (Config::get(Config::DB_TYPE) == "mysql") {
-			return "RAND()";
-		}
 		return "RANDOM()";
 	}
 
 	/**
 	 * Helper to build a query part comparing a field against a past datetime (determined by "$now - $some_interval")
-	 * 
+	 *
 	 * The example below could be read as "last_digest_sent is older than 1 day ago".
 	 * ```php
 	 * Db::past_comparison_qpart('last_digest_sent', '<', 1, 'day');
@@ -106,7 +85,6 @@ class Db {
 	 *
 	 * @todo validate value of $unit and fail if invalid (or massage if practical)?
 	 * @link https://www.postgresql.org/docs/current/datatype-datetime.html#DATATYPE-INTERVAL-INPUT
-	 * @link https://dev.mysql.com/doc/refman/9.2/en/expressions.html#temporal-intervals
 	 * @param string $field the table field being checked
 	 * @param '<'|'>'|'<='|'>='|'=' $operator the comparison operator
 	 * @param positive-int $quantity the amount of $unit
@@ -114,8 +92,6 @@ class Db {
 	 * @return string the query part string
 	 */
 	static function past_comparison_qpart(string $field, string $operator, int $quantity, string $unit): string {
-		if (Config::get(Config::DB_TYPE) == 'pgsql')
-			return "$field $operator NOW() - INTERVAL '$quantity $unit' ";
-		return "$field $operator DATE_SUB(NOW(), INTERVAL $quantity $unit) ";
+		return "$field $operator NOW() - INTERVAL '$quantity $unit' ";
 	}
 }
diff --git a/classes/Db_Migrations.php b/classes/Db_Migrations.php
index 7dcfc24b1..62619b377 100644
--- a/classes/Db_Migrations.php
+++ b/classes/Db_Migrations.php
@@ -88,9 +88,7 @@ class Db_Migrations {
 			$lines = $this->get_lines($version);
 
 			if (count($lines) > 0) {
-				// mysql doesn't support transactions for DDL statements
-				if (Config::get(Config::DB_TYPE) != "mysql")
-					$this->pdo->beginTransaction();
+				$this->pdo->beginTransaction();
 
 				foreach ($lines as $line) {
 					Debug::log($line, Debug::LOG_EXTENDED);
@@ -107,8 +105,7 @@ class Db_Migrations {
 				else
 					$this->set_version($version);
 
-				if (Config::get(Config::DB_TYPE) != "mysql")
-					$this->pdo->commit();
+				$this->pdo->commit();
 
 				Debug::log("Migration finished, current version: " . $this->get_version(), Debug::LOG_VERBOSE);
 
diff --git a/classes/FeedItem_Common.php b/classes/FeedItem_Common.php
index 5ec958699..241640cc4 100644
--- a/classes/FeedItem_Common.php
+++ b/classes/FeedItem_Common.php
@@ -91,6 +91,7 @@ abstract class FeedItem_Common extends FeedItem {
 
 		$enclosures = $this->xpath->query("media:content", $this->elem);
 
+		/** @var DOMElement $enclosure */
 		foreach ($enclosures as $enclosure) {
 			$enc = new FeedEnclosure();
 			$enc->type = clean($enclosure->getAttribute('type'));
@@ -143,6 +144,7 @@ abstract class FeedItem_Common extends FeedItem {
 
 		$enclosures = $this->xpath->query("media:thumbnail", $this->elem);
 
+		/** @var DOMElement $enclosure */
 		foreach ($enclosures as $enclosure) {
 			$enc = new FeedEnclosure();
 			$enc->type = 'image/generic';
@@ -193,10 +195,6 @@ abstract class FeedItem_Common extends FeedItem {
 
 			$cat = preg_replace('/[,\'\"]/', "", $cat);
 
-			if (Config::get(Config::DB_TYPE) == "mysql") {
-				$cat = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $cat);
-			}
-
 			if (mb_strlen($cat) > 250)
 				$cat = mb_substr($cat, 0, 250);
 
diff --git a/classes/Feeds.php b/classes/Feeds.php
index 7d818598d..bea3bb0f4 100644
--- a/classes/Feeds.php
+++ b/classes/Feeds.php
@@ -217,17 +217,6 @@ class Feeds extends Handler_Protected {
 
 				$id = $line["id"];
 
-				// frontend doesn't expect pdo returning booleans as strings on mysql
-				if (Config::get(Config::DB_TYPE) == "mysql") {
-					foreach (["unread", "marked", "published"] as $k) {
-						if (is_integer($line[$k])) {
-							$line[$k] = $line[$k] === 1;
-						} else {
-							$line[$k] = $line[$k] === "1";
-						}
-					}
-				}
-
 				// normalize archived feed
 				if ($line['feed_id'] === null) {
 					$line['feed_id'] = Feeds::FEED_ARCHIVED;
@@ -582,7 +571,7 @@ class Feeds extends Handler_Protected {
 
 	function search(): void {
 		print json_encode([
-			"show_language" => Config::get(Config::DB_TYPE) == "pgsql",
+			"show_language" => true,
 			"show_syntax_help" => count(PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SEARCH)) == 0,
 			"all_languages" => Pref_Feeds::get_ts_languages(),
 			"default_language" => Prefs::get(Prefs::DEFAULT_SEARCH_LANGUAGE, $_SESSION['uid'], $_SESSION['profile'] ?? null)
@@ -1407,18 +1396,16 @@ class Feeds extends Handler_Protected {
 				list($search_query_part, $search_words) = self::_search_to_sql($search, $search_language, $owner_uid, $profile);
 			}
 
-			if (Config::get(Config::DB_TYPE) == "pgsql") {
-				$test_sth = $pdo->prepare("select $search_query_part
-					FROM ttrss_entries, ttrss_user_entries WHERE id = ref_id limit 1");
+			$test_sth = $pdo->prepare("select $search_query_part
+				FROM ttrss_entries, ttrss_user_entries WHERE id = ref_id limit 1");
 
-				try {
-					$test_sth->execute();
-				} catch (PDOException $e) {
-					// looks like tsquery syntax is invalid
-					$search_query_part = "false";
+			try {
+				$test_sth->execute();
+			} catch (PDOException $e) {
+				// looks like tsquery syntax is invalid
+				$search_query_part = "false";
 
-					$query_error_override = T_sprintf("Incorrect search syntax: %s.", implode(" ", $search_words));
-				}
+				$query_error_override = T_sprintf("Incorrect search syntax: %s.", implode(" ", $search_words));
 			}
 
 			$search_query_part .= " AND ";
@@ -1635,11 +1622,7 @@ class Feeds extends Handler_Protected {
 
 		$first_id = 0;
 
-		if (Config::get(Config::DB_TYPE) == "pgsql") {
-			$yyiw_qpart = "to_char(date_entered, 'IYYY-IW') AS yyiw";
-		} else {
-			$yyiw_qpart = "date_format(date_entered, '%Y-%u') AS yyiw";
-		}
+		$yyiw_qpart = "to_char(date_entered, 'IYYY-IW') AS yyiw";
 
 		if (is_numeric($feed)) {
 			// proper override_order applied above
@@ -1679,12 +1662,8 @@ class Feeds extends Handler_Protected {
 
 			$sanity_interval_qpart = Db::past_comparison_qpart('date_entered', '>=', 1, 'hour') . ' AND ';
 
-			if (Config::get(Config::DB_TYPE) == "pgsql") {
-				$distinct_columns = str_replace("desc", "", strtolower($order_by));
-				$distinct_qpart = "DISTINCT ON (id, $distinct_columns)";
-			} else {
-				$distinct_qpart = "DISTINCT"; //fallback
-			}
+			$distinct_columns = str_replace("desc", "", strtolower($order_by));
+			$distinct_qpart = "DISTINCT ON (id, $distinct_columns)";
 
 			// except for Labels category
 			if (Prefs::get(Prefs::HEADLINES_NO_DISTINCT, $owner_uid, $profile)
@@ -1785,12 +1764,8 @@ class Feeds extends Handler_Protected {
 			if (Prefs::get(Prefs::HEADLINES_NO_DISTINCT, $owner_uid, $profile)) {
 				$distinct_qpart = "";
 			} else {
-				if (Config::get(Config::DB_TYPE) == "pgsql") {
-					$distinct_columns = str_replace("desc", "", strtolower($order_by));
-					$distinct_qpart = "DISTINCT ON (id, $distinct_columns)";
-				} else {
-					$distinct_qpart = "DISTINCT"; //fallback
-				}
+				$distinct_columns = str_replace("desc", "", strtolower($order_by));
+				$distinct_qpart = "DISTINCT ON (id, $distinct_columns)";
 			}
 
 			$query = "SELECT $distinct_qpart
@@ -2099,27 +2074,14 @@ class Feeds extends Handler_Protected {
 			else
 				$query_limit = "";
 
-			if (Config::get(Config::DB_TYPE) == "pgsql") {
-				$sth = $pdo->prepare("DELETE FROM ttrss_user_entries
-					USING ttrss_entries
-					WHERE ttrss_entries.id = ref_id AND
-					marked = false AND
-					feed_id = ? AND
-					$query_limit
-					ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
-				$sth->execute([$feed_id]);
-
-			} else {
-				$sth  = $pdo->prepare("DELETE FROM ttrss_user_entries
-					USING ttrss_user_entries, ttrss_entries
-					WHERE ttrss_entries.id = ref_id AND
-					marked = false AND
-					feed_id = ? AND
-					$query_limit
-					ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
-				$sth->execute([$feed_id]);
-
-			}
+			$sth = $pdo->prepare("DELETE FROM ttrss_user_entries
+				USING ttrss_entries
+				WHERE ttrss_entries.id = ref_id AND
+				marked = false AND
+				feed_id = ? AND
+				$query_limit
+				ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
+			$sth->execute([$feed_id]);
 
 			$rows_deleted = $sth->rowCount();
 
@@ -2286,16 +2248,12 @@ class Feeds extends Handler_Protected {
 
 						$k = mb_strtolower($k);
 
-						if (Config::get(Config::DB_TYPE) == "pgsql") {
-							// A hacky way for phrases (e.g. "hello world") to get through PDO quoting.
-							// Term '"foo bar baz"' becomes '(foo <-> bar <-> baz)' ("<->" meaning "immediately followed by").
-							if (preg_match('/\s+/', $k))
-								$k = '(' . preg_replace('/\s+/', ' <-> ', $k) . ')';
+						// A hacky way for phrases (e.g. "hello world") to get through PDO quoting.
+						// Term '"foo bar baz"' becomes '(foo <-> bar <-> baz)' ("<->" meaning "immediately followed by").
+						if (preg_match('/\s+/', $k))
+							$k = '(' . preg_replace('/\s+/', ' <-> ', $k) . ')';
 
-							array_push($search_query_leftover, $not ? "!$k" : $k);
-						} else {
-							array_push($search_query_leftover, $not ? "-$k" : $k);
-						}
+						array_push($search_query_leftover, $not ? "!$k" : $k);
 
 						if (!$not) array_push($search_words, $k);
 					}
@@ -2304,26 +2262,18 @@ class Feeds extends Handler_Protected {
 
 		if (count($search_query_leftover) > 0) {
 
-			if (Config::get(Config::DB_TYPE) == "pgsql") {
-
-				// if there's no joiners consider this a "simple" search and
-				// concatenate everything with &, otherwise don't try to mess with tsquery syntax
-				if (preg_match("/[&|]/", implode(" " , $search_query_leftover))) {
-					$tsquery = $pdo->quote(implode(" ", $search_query_leftover));
-				} else {
-					$tsquery = $pdo->quote(implode(" & ", $search_query_leftover));
-				}
-
-				$search_language = $pdo->quote(mb_strtolower($search_language ?: Prefs::get(Prefs::DEFAULT_SEARCH_LANGUAGE, $owner_uid, $profile)));
-
-				array_push($query_keywords,
-					"(tsvector_combined @@ to_tsquery($search_language, $tsquery))");
+			// if there's no joiners consider this a "simple" search and
+			// concatenate everything with &, otherwise don't try to mess with tsquery syntax
+			if (preg_match("/[&|]/", implode(" " , $search_query_leftover))) {
+				$tsquery = $pdo->quote(implode(" ", $search_query_leftover));
 			} else {
-				$ft_query = $pdo->quote(implode(" ", $search_query_leftover));
-
-				array_push($query_keywords,
-					"MATCH (ttrss_entries.title, ttrss_entries.content) AGAINST ($ft_query IN BOOLEAN MODE)");
+				$tsquery = $pdo->quote(implode(" & ", $search_query_leftover));
 			}
+
+			$search_language = $pdo->quote(mb_strtolower($search_language ?: Prefs::get(Prefs::DEFAULT_SEARCH_LANGUAGE, $owner_uid, $profile)));
+
+			array_push($query_keywords,
+				"(tsvector_combined @@ to_tsquery($search_language, $tsquery))");
 		}
 
 		if (count($query_keywords) > 0)
diff --git a/classes/Pref_Feeds.php b/classes/Pref_Feeds.php
index bc059b99f..75ae053bd 100644
--- a/classes/Pref_Feeds.php
+++ b/classes/Pref_Feeds.php
@@ -15,12 +15,8 @@ class Pref_Feeds extends Handler_Protected {
 	 * @return array<int, string>
 	 */
 	public static function get_ts_languages(): array {
-		if (Config::get(Config::DB_TYPE) == 'pgsql') {
-			return array_map('ucfirst',
-				array_column(ORM::for_table('pg_ts_config')->select('cfgname')->find_array(), 'cfgname'));
-		}
-
-		return [];
+		return array_map('ucfirst',
+			array_column(ORM::for_table('pg_ts_config')->select('cfgname')->find_array(), 'cfgname'));
 	}
 
 	function renameCat(): void {
@@ -597,7 +593,7 @@ class Pref_Feeds extends Handler_Protected {
 					"access_level" => $user->access_level
 				],
 				"lang" => [
-					"enabled" => Config::get(Config::DB_TYPE) == "pgsql",
+					"enabled" => true,
 					"default" => Prefs::get(Prefs::DEFAULT_SEARCH_LANGUAGE, $_SESSION['uid'], $profile),
 					"all" => $this::get_ts_languages(),
 					]
@@ -653,13 +649,11 @@ class Pref_Feeds extends Handler_Protected {
 					</fieldset>
 				<?php } ?>
 
-				<?php	if (Config::get(Config::DB_TYPE) == "pgsql") { ?>
 					<fieldset>
 						<label><?= __('Language:') ?></label>
 						<?= \Controls\select_tag("feed_language", "", $this::get_ts_languages(), ["disabled"=> 1]) ?>
 						<?= $this->_batch_toggle_checkbox("feed_language") ?>
 					</fieldset>
-				<?php } ?>
 				</section>
 
 				<hr/>
@@ -1141,12 +1135,6 @@ class Pref_Feeds extends Handler_Protected {
 
 	function inactiveFeeds(): void {
 
-		if (Config::get(Config::DB_TYPE) == "pgsql") {
-			$interval_qpart = "NOW() - INTERVAL '3 months'";
-		} else {
-			$interval_qpart = "DATE_SUB(NOW(), INTERVAL 3 MONTH)";
-		}
-
 		$inactive_feeds = ORM::for_table('ttrss_feeds')
 			->table_alias('f')
 			->select_many('f.id', 'f.title', 'f.site_url', 'f.feed_url')
@@ -1158,7 +1146,7 @@ class Pref_Feeds extends Handler_Protected {
 				"(SELECT MAX(ttrss_entries.updated)
 				FROM ttrss_entries
 				JOIN ttrss_user_entries ON ttrss_entries.id = ttrss_user_entries.ref_id
-				WHERE ttrss_user_entries.feed_id = f.id) < $interval_qpart")
+				WHERE ttrss_user_entries.feed_id = f.id) < NOW() - INTERVAL '3 months'")
 			->group_by('f.title')
 			->group_by('f.id')
 			->group_by('f.site_url')
diff --git a/classes/Pref_Prefs.php b/classes/Pref_Prefs.php
index c96c84100..6942e711c 100644
--- a/classes/Pref_Prefs.php
+++ b/classes/Pref_Prefs.php
@@ -591,10 +591,6 @@ class Pref_Prefs extends Handler_Protected {
 					continue;
 				}
 
-				if ($pref_name == Prefs::DEFAULT_SEARCH_LANGUAGE && Config::get(Config::DB_TYPE) != "pgsql") {
-					continue;
-				}
-
 				if (isset($prefs_available[$pref_name])) {
 
 					$item = $prefs_available[$pref_name];
diff --git a/classes/RPC.php b/classes/RPC.php
index 82f85fc11..bad51e4aa 100644
--- a/classes/RPC.php
+++ b/classes/RPC.php
@@ -252,33 +252,18 @@ class RPC extends Handler_Protected {
 		$default_interval = (int) Prefs::get_default(Prefs::DEFAULT_UPDATE_INTERVAL);
 
 		// Test if the feed need a update (update interval exceded).
-		if (Config::get(Config::DB_TYPE) == "pgsql") {
-			$update_limit_qpart = "AND ((
-					update_interval = 0
-						AND (p.value IS NULL OR p.value != '-1')
-						AND last_updated < NOW() - CAST((COALESCE(p.value, '$default_interval') || ' minutes') AS INTERVAL)
-				) OR (
-					update_interval > 0
-						AND last_updated < NOW() - CAST((update_interval || ' minutes') AS INTERVAL)
-				) OR (
-					update_interval >= 0
-						AND (p.value IS NULL OR p.value != '-1')
-						AND (last_updated = '1970-01-01 00:00:00' OR last_updated IS NULL)
-				))";
-		} else {
-			$update_limit_qpart = "AND ((
-					update_interval = 0
-						AND (p.value IS NULL OR p.value != '-1')
-						AND last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(COALESCE(p.value, '$default_interval'), SIGNED INTEGER) MINUTE)
-				) OR (
-					update_interval > 0
-						AND last_updated < DATE_SUB(NOW(), INTERVAL update_interval MINUTE)
-				) OR (
-					update_interval >= 0
-						AND (p.value IS NULL OR p.value != '-1')
-						AND (last_updated = '1970-01-01 00:00:00' OR last_updated IS NULL)
-				))";
-		}
+		$update_limit_qpart = "AND ((
+				update_interval = 0
+					AND (p.value IS NULL OR p.value != '-1')
+					AND last_updated < NOW() - CAST((COALESCE(p.value, '$default_interval') || ' minutes') AS INTERVAL)
+			) OR (
+				update_interval > 0
+					AND last_updated < NOW() - CAST((update_interval || ' minutes') AS INTERVAL)
+			) OR (
+				update_interval >= 0
+					AND (p.value IS NULL OR p.value != '-1')
+					AND (last_updated = '1970-01-01 00:00:00' OR last_updated IS NULL)
+			))";
 
 		// Test if feed is currently being updated by another process.
 		$updstart_thresh_qpart = 'AND (last_update_started IS NULL OR '
diff --git a/classes/RSSUtils.php b/classes/RSSUtils.php
index f6a81d00f..547cc094b 100644
--- a/classes/RSSUtils.php
+++ b/classes/RSSUtils.php
@@ -35,11 +35,6 @@ class RSSUtils {
 		return sha1(implode(",", $pluginhost->get_plugin_names()) . $tmp);
 	}
 
-	// Strips utf8mb4 characters (i.e. emoji) for mysql
-	static function strip_utf8mb4(string $str): string {
-		return preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $str);
-	}
-
 	static function cleanup_feed_browser(): void {
 		$pdo = Db::pdo();
 		$pdo->query("DELETE FROM ttrss_feedbrowser_cache");
@@ -123,33 +118,18 @@ class RSSUtils {
 
 		$default_interval = (int) Prefs::get_default(Prefs::DEFAULT_UPDATE_INTERVAL);
 
-		if (Config::get(Config::DB_TYPE) == "pgsql") {
-			$update_limit_qpart = "AND ((
-					update_interval = 0
-						AND (p.value IS NULL OR p.value != '-1')
-						AND last_updated < NOW() - CAST((COALESCE(p.value, '$default_interval') || ' minutes') AS INTERVAL)
-				) OR (
-					update_interval > 0
-					AND last_updated < NOW() - CAST((update_interval || ' minutes') AS INTERVAL)
-				) OR (
-					update_interval >= 0
-						AND (p.value IS NULL OR p.value != '-1')
-						AND (last_updated = '1970-01-01 00:00:00' OR last_updated IS NULL)
-				))";
-		} else {
-			$update_limit_qpart = "AND ((
-					update_interval = 0
-						AND (p.value IS NULL OR p.value != '-1')
-						AND last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(COALESCE(p.value, '$default_interval'), SIGNED INTEGER) MINUTE)
-				) OR (
-					update_interval > 0
-						AND last_updated < DATE_SUB(NOW(), INTERVAL update_interval MINUTE)
-				) OR (
-					update_interval >= 0
-						AND (p.value IS NULL OR p.value != '-1')
-						AND (last_updated = '1970-01-01 00:00:00' OR last_updated IS NULL)
-				))";
-		}
+		$update_limit_qpart = "AND ((
+				update_interval = 0
+					AND (p.value IS NULL OR p.value != '-1')
+					AND last_updated < NOW() - CAST((COALESCE(p.value, '$default_interval') || ' minutes') AS INTERVAL)
+			) OR (
+				update_interval > 0
+				AND last_updated < NOW() - CAST((update_interval || ' minutes') AS INTERVAL)
+			) OR (
+				update_interval >= 0
+					AND (p.value IS NULL OR p.value != '-1')
+					AND (last_updated = '1970-01-01 00:00:00' OR last_updated IS NULL)
+			))";
 
 		// Test if feed is currently being updated by another process.
 		// TODO: Update RPC::updaterandomfeed_real() to also use 10 minutes?
@@ -159,10 +139,7 @@ class RSSUtils {
 		$query_limit = $limit ? sprintf("LIMIT %d", $limit) : "";
 
 		// Update the least recently updated feeds first
-		$query_order = "ORDER BY last_updated";
-
-		if (Config::get(Config::DB_TYPE) == "pgsql")
-			$query_order .= " NULLS FIRST";
+		$query_order = "ORDER BY last_updated NULLS FIRST";
 
 		$query = "SELECT f.feed_url, f.last_updated
 			FROM
@@ -856,15 +833,6 @@ class RSSUtils {
 						continue;
 					}
 
-					// Yet another episode of "mysql utf8_general_ci is gimped"
-					if (Config::get(Config::DB_TYPE) == "mysql" && Config::get(Config::MYSQL_CHARSET) != "UTF8MB4") {
-						foreach ((array)$e as $prop => $val) {
-							if (is_string($val)) {
-								$e->$prop = self::strip_utf8mb4($val);
-							}
-						}
-					}
-
 					array_push($enclosures, $e);
 				}
 
@@ -935,16 +903,6 @@ class RSSUtils {
 
 				Debug::log("plugin data: {$entry_plugin_data}", Debug::LOG_VERBOSE);
 
-				// Workaround: 4-byte unicode requires utf8mb4 in MySQL. See https://tt-rss.org/forum/viewtopic.php?f=1&t=3377&p=20077#p20077
-				if (Config::get(Config::DB_TYPE) == "mysql" && Config::get(Config::MYSQL_CHARSET) != "UTF8MB4") {
-					foreach ($article as $k => $v) {
-						// i guess we'll have to take the risk of 4byte unicode labels & tags here
-						if (is_string($article[$k])) {
-							$article[$k] = self::strip_utf8mb4($v);
-						}
-					}
-				}
-
 				/* Collect article tags here so we could filter by them: */
 
 				$matched_rules = [];
@@ -1186,14 +1144,9 @@ class RSSUtils {
 
 					Debug::log("resulting RID: $entry_ref_id, IID: $entry_int_id", Debug::LOG_VERBOSE);
 
-					if (Config::get(Config::DB_TYPE) == "pgsql")
-						$tsvector_qpart = "tsvector_combined = to_tsvector(:ts_lang, :ts_content),";
-					else
-						$tsvector_qpart = "";
-
 					$sth = $pdo->prepare("UPDATE ttrss_entries
 						SET title = :title,
-							$tsvector_qpart
+							tsvector_combined = to_tsvector(:ts_lang, :ts_content),
 							content = :content,
 							content_hash = :content_hash,
 							updated = :updated,
@@ -1212,12 +1165,10 @@ class RSSUtils {
 						":plugin_data" => $entry_plugin_data,
 						":author" => "$entry_author",
 						":lang" => $entry_language,
-						":id" => $ref_id];
-
-					if (Config::get(Config::DB_TYPE) == "pgsql") {
-						$params[":ts_lang"] = $feed_language;
-						$params[":ts_content"] = mb_substr(strip_tags($entry_title) . " " . \Soundasleep\Html2Text::convert($entry_content), 0, 900000);
-					}
+						":id" => $ref_id,
+						":ts_lang" => $feed_language,
+						":ts_content" => mb_substr(strip_tags($entry_title) . " " . \Soundasleep\Html2Text::convert($entry_content), 0, 900000)
+						];
 
 					$sth->execute($params);
 
diff --git a/include/functions.php b/include/functions.php
index 77033f474..69e5e746e 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -26,11 +26,7 @@
 
 	require_once "autoload.php";
 
-	if (Config::get(Config::DB_TYPE) == "pgsql") {
-		define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
-	} else {
-		define('SUBSTRING_FOR_DATE', 'SUBSTRING');
-	}
+	define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
 
 	/**
 	 * @deprecated by Prefs::get()
diff --git a/sql/mysql/migrations/10.sql b/sql/mysql/migrations/10.sql
deleted file mode 100644
index e951f482f..000000000
--- a/sql/mysql/migrations/10.sql
+++ /dev/null
@@ -1,12 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('DIGEST_ENABLE', 1, 'false', 'Enable e-mail digest',1,
-'This option enables sending daily digest of new (and unread) headlines on your configured e-mail address');
-
-alter table ttrss_feeds add column include_in_digest bool;
-update ttrss_feeds set include_in_digest = true;
-alter table ttrss_feeds change include_in_digest include_in_digest bool not null;
-alter table ttrss_feeds alter column include_in_digest set default true;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('CONFIRM_FEED_CATCHUP', 1, 'true', 'Confirm marking feed as read',3);
-
-update ttrss_version set schema_version = 10;
-
diff --git a/sql/mysql/migrations/100.sql b/sql/mysql/migrations/100.sql
deleted file mode 100644
index a360dab6c..000000000
--- a/sql/mysql/migrations/100.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_ENABLED_PLUGINS', 2, '', '', 1);
-
-update ttrss_version set schema_version = 100;
-
-commit;
diff --git a/sql/mysql/migrations/101.sql b/sql/mysql/migrations/101.sql
deleted file mode 100644
index 47ff26522..000000000
--- a/sql/mysql/migrations/101.sql
+++ /dev/null
@@ -1,12 +0,0 @@
-begin;
-
-create table ttrss_plugin_storage (
-	id integer not null auto_increment primary key,
-	name varchar(100) not null,
-	owner_uid integer not null,
-	content longtext not null,
-  	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-update ttrss_version set schema_version = 101;
-
-commit;
diff --git a/sql/mysql/migrations/102.sql b/sql/mysql/migrations/102.sql
deleted file mode 100644
index ccf5ef3b3..000000000
--- a/sql/mysql/migrations/102.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_MOBILE_REVERSE_HEADLINES', 1, 'false', '', 1);
-
-update ttrss_version set schema_version = 102;
-
-commit;
diff --git a/sql/mysql/migrations/103.sql b/sql/mysql/migrations/103.sql
deleted file mode 100644
index 6a93b80b8..000000000
--- a/sql/mysql/migrations/103.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-alter table ttrss_entries add column plugin_data longtext;
-
-update ttrss_version set schema_version = 103;
-
-commit;
diff --git a/sql/mysql/migrations/104.sql b/sql/mysql/migrations/104.sql
deleted file mode 100644
index 104e4b917..000000000
--- a/sql/mysql/migrations/104.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-update ttrss_prefs set short_desc = 'Hide images in articles' where pref_name = 'STRIP_IMAGES';
-
-update ttrss_version set schema_version = 104;
-
-commit;
diff --git a/sql/mysql/migrations/105.sql b/sql/mysql/migrations/105.sql
deleted file mode 100644
index a96101784..000000000
--- a/sql/mysql/migrations/105.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-begin;
-
-alter table ttrss_user_entries add column last_marked datetime;
-alter table ttrss_user_entries add column last_published datetime;
-
-update ttrss_user_entries set last_published = last_read where published = true;
-update ttrss_user_entries set last_marked = last_read where marked = true;
-
-update ttrss_version set schema_version = 105;
-
-commit;
diff --git a/sql/mysql/migrations/106.sql b/sql/mysql/migrations/106.sql
deleted file mode 100644
index b819416b9..000000000
--- a/sql/mysql/migrations/106.sql
+++ /dev/null
@@ -1,12 +0,0 @@
-begin;
-
-update ttrss_prefs set short_desc = 'Do not embed images in articles' where pref_name = 'STRIP_IMAGES';
-
-alter table ttrss_feeds add column hide_images bool;
-update ttrss_feeds set hide_images = false;
-alter table ttrss_feeds change hide_images hide_images bool not null;
-alter table ttrss_feeds alter column hide_images set default false;
-
-update ttrss_version set schema_version = 106;
-
-commit;
diff --git a/sql/mysql/migrations/107.sql b/sql/mysql/migrations/107.sql
deleted file mode 100644
index 9283d40d9..000000000
--- a/sql/mysql/migrations/107.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-begin;
-
-alter table ttrss_filters2 add column inverse bool;
-update ttrss_filters2 set inverse = false;
-alter table ttrss_filters2 change inverse inverse bool not null;
-alter table ttrss_filters2 alter column inverse set default false;
-
-alter table ttrss_filters2_rules add column inverse bool;
-update ttrss_filters2_rules set inverse = false;
-alter table ttrss_filters2_rules change inverse inverse bool not null;
-alter table ttrss_filters2_rules alter column inverse set default false;
-
-update ttrss_version set schema_version = 107;
-
-commit;
diff --git a/sql/mysql/migrations/108.sql b/sql/mysql/migrations/108.sql
deleted file mode 100644
index 899be8bb4..000000000
--- a/sql/mysql/migrations/108.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-update ttrss_prefs set def_value = 'false' where pref_name = 'SORT_HEADLINES_BY_FEED_DATE';
-
-update ttrss_version set schema_version = 108;
-
-commit;
diff --git a/sql/mysql/migrations/109.sql b/sql/mysql/migrations/109.sql
deleted file mode 100644
index 77e883c3b..000000000
--- a/sql/mysql/migrations/109.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-update ttrss_prefs set short_desc = 'Hide feeds with no unread articles' where pref_name = 'HIDE_READ_FEEDS';
-
-update ttrss_version set schema_version = 109;
-
-commit;
diff --git a/sql/mysql/migrations/11.sql b/sql/mysql/migrations/11.sql
deleted file mode 100644
index 690b978eb..000000000
--- a/sql/mysql/migrations/11.sql
+++ /dev/null
@@ -1,18 +0,0 @@
-begin;
-
-delete FROM ttrss_user_prefs WHERE pref_name = 'DISPLAY_HEADER';
-delete FROM ttrss_user_prefs WHERE pref_name = 'DISPLAY_FOOTER';
-delete FROM ttrss_user_prefs WHERE pref_name = 'ENABLE_SEARCH_TOOLBAR';
-delete FROM ttrss_user_prefs WHERE pref_name = 'USE_COMPACT_STYLESHEET';
-
-delete FROM ttrss_prefs WHERE pref_name = 'DISPLAY_HEADER';
-delete FROM ttrss_prefs WHERE pref_name = 'DISPLAY_FOOTER';
-delete FROM ttrss_prefs WHERE pref_name = 'ENABLE_SEARCH_TOOLBAR';
-delete FROM ttrss_prefs WHERE pref_name = 'USE_COMPACT_STYLESHEET';
-
-insert into ttrss_themes (theme_name, theme_path) values ('Graycube', 'graycube');
-insert into ttrss_themes (theme_name, theme_path) values ('Default (Compact)', 'compact');
-
-update ttrss_version set schema_version = 11;
-
-commit;
diff --git a/sql/mysql/migrations/110.sql b/sql/mysql/migrations/110.sql
deleted file mode 100644
index 859f7d6dc..000000000
--- a/sql/mysql/migrations/110.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('USER_CSS_THEME', 2, '', 'Select theme', 2, 'Select one of the available CSS themes');
-
-update ttrss_version set schema_version = 110;
-
-commit;
diff --git a/sql/mysql/migrations/111.sql b/sql/mysql/migrations/111.sql
deleted file mode 100644
index 27f287d1a..000000000
--- a/sql/mysql/migrations/111.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-update ttrss_prefs set def_value = 'true' where pref_name = 'COMBINED_DISPLAY_MODE';
-
-update ttrss_version set schema_version = 111;
-
-commit;
diff --git a/sql/mysql/migrations/112.sql b/sql/mysql/migrations/112.sql
deleted file mode 100644
index a6f0b200b..000000000
--- a/sql/mysql/migrations/112.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-begin;
-
-alter table ttrss_filters2 add column order_id integer;
-update ttrss_filters2 set order_id = 0;
-alter table ttrss_filters2 change order_id order_id integer not null;
-alter table ttrss_filters2 alter column order_id set default 0;
-
-alter table ttrss_filters2 add column title varchar(250);
-update ttrss_filters2 set title = '';
-alter table ttrss_filters2 change title title varchar(250) not null;
-alter table ttrss_filters2 alter column title set default '';
-
-update ttrss_version set schema_version = 112;
-
-commit;
diff --git a/sql/mysql/migrations/113.sql b/sql/mysql/migrations/113.sql
deleted file mode 100644
index 3c0d00563..000000000
--- a/sql/mysql/migrations/113.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-begin;
-
-insert into ttrss_filter_actions (id,name,description) values (8, 'stop',
-	'Stop / Do nothing');
-
-update ttrss_version set schema_version = 113;
-
-commit;
diff --git a/sql/mysql/migrations/114.sql b/sql/mysql/migrations/114.sql
deleted file mode 100644
index fd7ce5d2b..000000000
--- a/sql/mysql/migrations/114.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-begin;
-
-alter table ttrss_feeds add column view_settings varchar(250);
-update ttrss_feeds set view_settings = '';
-alter table ttrss_feeds change view_settings view_settings varchar(250) not null;
-alter table ttrss_feeds alter column view_settings set default '';
-
-alter table ttrss_feed_categories add column view_settings varchar(250);
-update ttrss_feed_categories set view_settings = '';
-alter table ttrss_feed_categories change view_settings view_settings varchar(250) not null;
-alter table ttrss_feed_categories alter column view_settings set default '';
-
-update ttrss_version set schema_version = 114;
-
-commit;
diff --git a/sql/mysql/migrations/115.sql b/sql/mysql/migrations/115.sql
deleted file mode 100644
index e23f0533a..000000000
--- a/sql/mysql/migrations/115.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-begin;
-
-alter table ttrss_prefs_sections drop column section_name;
-alter table ttrss_prefs drop column short_desc;
-alter table ttrss_prefs drop column help_text;
-
-update ttrss_version set schema_version = 115;
-
-commit;
diff --git a/sql/mysql/migrations/116.sql b/sql/mysql/migrations/116.sql
deleted file mode 100644
index 252ba0e3a..000000000
--- a/sql/mysql/migrations/116.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-update ttrss_prefs set def_value = 'false' where pref_name = 'ALLOW_DUPLICATE_POSTS';
-
-update ttrss_version set schema_version = 116;
-
-commit;
diff --git a/sql/mysql/migrations/117.sql b/sql/mysql/migrations/117.sql
deleted file mode 100644
index da3d056cc..000000000
--- a/sql/mysql/migrations/117.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-begin;
-
-ALTER TABLE ttrss_feeds ADD COLUMN favicon_avg_color VARCHAR(11);
-alter table ttrss_feeds alter column favicon_avg_color set default null;
-
-update ttrss_version set schema_version = 117;
-
-commit;
diff --git a/sql/mysql/migrations/118.sql b/sql/mysql/migrations/118.sql
deleted file mode 100644
index add2b0c1f..000000000
--- a/sql/mysql/migrations/118.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-begin;
-
-create table ttrss_error_log(
-	id integer not null auto_increment primary key,
-	owner_uid integer,
-	errno integer not null,
-	errstr text not null,
-	filename text not null,
-	lineno integer not null,	
-	context text not null,
-	created_at datetime not null,
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE SET NULL) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-update ttrss_version set schema_version = 118;
-
-commit;
diff --git a/sql/mysql/migrations/119.sql b/sql/mysql/migrations/119.sql
deleted file mode 100644
index ddb7d64de..000000000
--- a/sql/mysql/migrations/119.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-update ttrss_prefs set def_value = 'Automatic' where pref_name = 'USER_TIMEZONE';
-
-update ttrss_version set schema_version = 119;
-
-commit;
diff --git a/sql/mysql/migrations/12.sql b/sql/mysql/migrations/12.sql
deleted file mode 100644
index 73af4e375..000000000
--- a/sql/mysql/migrations/12.sql
+++ /dev/null
@@ -1,12 +0,0 @@
-alter table ttrss_filters add column action_param varchar(200);
-
-update ttrss_filters set action_param = '';
-
-alter table ttrss_filters change action_param action_param varchar(200) not null;
-alter table ttrss_filters alter column action_param set default '';
-
-insert into ttrss_filter_actions (id,name,description) values (4, 'tag', 
-		'Assign tags');
-
-update ttrss_version set schema_version = 12;
-
diff --git a/sql/mysql/migrations/120.sql b/sql/mysql/migrations/120.sql
deleted file mode 100644
index 34971146e..000000000
--- a/sql/mysql/migrations/120.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,section_id) values('USER_LANGUAGE', 2, '', 2);
-
-update ttrss_version set schema_version = 120;
-
-commit;
diff --git a/sql/mysql/migrations/121.sql b/sql/mysql/migrations/121.sql
deleted file mode 100644
index d9cf51184..000000000
--- a/sql/mysql/migrations/121.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-update ttrss_prefs set def_value = 'false' where pref_name = 'AUTO_ASSIGN_LABELS';
-
-update ttrss_version set schema_version = 121;
-
-commit;
diff --git a/sql/mysql/migrations/122.sql b/sql/mysql/migrations/122.sql
deleted file mode 100644
index 397b97bfc..000000000
--- a/sql/mysql/migrations/122.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-alter table ttrss_entries add column lang varchar(2);
-
-update ttrss_version set schema_version = 122;
-
-commit;
diff --git a/sql/mysql/migrations/123.sql b/sql/mysql/migrations/123.sql
deleted file mode 100644
index f311d060b..000000000
--- a/sql/mysql/migrations/123.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-begin;
-
-ALTER TABLE ttrss_counters_cache ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-ALTER TABLE ttrss_cat_counters_cache ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-ALTER TABLE ttrss_feedbrowser_cache ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-update ttrss_version set schema_version = 123;
-
-commit;
diff --git a/sql/mysql/migrations/124.sql b/sql/mysql/migrations/124.sql
deleted file mode 100644
index 96ae46341..000000000
--- a/sql/mysql/migrations/124.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-begin;
-
-alter table ttrss_users add column resetpass_token varchar(250);
-alter table ttrss_users alter column resetpass_token set default null;
-
-update ttrss_version set schema_version = 124;
-
-commit;
diff --git a/sql/mysql/migrations/125.sql b/sql/mysql/migrations/125.sql
deleted file mode 100644
index 9f004d963..000000000
--- a/sql/mysql/migrations/125.sql
+++ /dev/null
@@ -1,10 +0,0 @@
-begin;
-
-alter table ttrss_users drop column resetpass_token;
-
-alter table ttrss_users add column resetpass_token varchar(250);
-alter table ttrss_users alter column resetpass_token set default null;
-
-update ttrss_version set schema_version = 125;
-
-commit;
diff --git a/sql/mysql/migrations/126.sql b/sql/mysql/migrations/126.sql
deleted file mode 100644
index 6ff661e71..000000000
--- a/sql/mysql/migrations/126.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-begin;
-
-alter table ttrss_enclosures add column width integer not null default 0;
-alter table ttrss_enclosures add column height integer not null default 0;
-
-update ttrss_version set schema_version = 126;
-
-commit;
diff --git a/sql/mysql/migrations/127.sql b/sql/mysql/migrations/127.sql
deleted file mode 100644
index 2c521d86c..000000000
--- a/sql/mysql/migrations/127.sql
+++ /dev/null
@@ -1,5 +0,0 @@
-BEGIN;
-
-UPDATE ttrss_version SET schema_version = 127;
-
-COMMIT;
diff --git a/sql/mysql/migrations/128.sql b/sql/mysql/migrations/128.sql
deleted file mode 100644
index 281379bb0..000000000
--- a/sql/mysql/migrations/128.sql
+++ /dev/null
@@ -1,13 +0,0 @@
-BEGIN;
-
-update ttrss_feeds set last_updated = NULL;
-alter table ttrss_feeds modify column last_updated datetime DEFAULT NULL;
-
-alter table ttrss_feeds add column feed_language varchar(100);
-update ttrss_feeds set feed_language = '';
-alter table ttrss_feeds change feed_language feed_language varchar(100) not null;
-alter table ttrss_feeds alter column feed_language set default '';
-
-UPDATE ttrss_version SET schema_version = 128;
-
-COMMIT;
diff --git a/sql/mysql/migrations/129.sql b/sql/mysql/migrations/129.sql
deleted file mode 100644
index 2ebec0dc9..000000000
--- a/sql/mysql/migrations/129.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-BEGIN;
-
-insert into ttrss_filter_actions (id,name,description) values (9, 'plugin',
-	'Invoke plugin');
-
-UPDATE ttrss_version SET schema_version = 129;
-
-COMMIT;
diff --git a/sql/mysql/migrations/13.sql b/sql/mysql/migrations/13.sql
deleted file mode 100644
index ad068c8a2..000000000
--- a/sql/mysql/migrations/13.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-alter table ttrss_filters add column inverse bool;
-update ttrss_filters set inverse = false;
-alter table ttrss_filters change inverse inverse bool not null;
-alter table ttrss_filters alter column inverse set default false;
-
-update ttrss_version set schema_version = 13;
diff --git a/sql/mysql/migrations/130.sql b/sql/mysql/migrations/130.sql
deleted file mode 100644
index 7b90d4d2c..000000000
--- a/sql/mysql/migrations/130.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-BEGIN;
-
-alter table ttrss_feeds alter column last_updated set default null;
-
-UPDATE ttrss_version SET schema_version = 130;
-
-COMMIT;
diff --git a/sql/mysql/migrations/131.sql b/sql/mysql/migrations/131.sql
deleted file mode 100644
index 9316b7f41..000000000
--- a/sql/mysql/migrations/131.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-BEGIN;
-
-ALTER TABLE ttrss_filters2_rules ADD COLUMN match_on TEXT;
-
-UPDATE ttrss_version SET schema_version = 131;
-
-COMMIT;
diff --git a/sql/mysql/migrations/132.sql b/sql/mysql/migrations/132.sql
deleted file mode 100644
index 1f1fb5901..000000000
--- a/sql/mysql/migrations/132.sql
+++ /dev/null
@@ -1,10 +0,0 @@
-begin;
-
-alter table ttrss_feeds add column last_modified varchar(250);
-update ttrss_feeds set last_modified = '';
-alter table ttrss_feeds change last_modified last_modified varchar(250) not null;
-alter table ttrss_feeds alter column last_modified set default '';
-
-UPDATE ttrss_version SET schema_version = 132;
-
-commit;
diff --git a/sql/mysql/migrations/133.sql b/sql/mysql/migrations/133.sql
deleted file mode 100644
index e1693a9cb..000000000
--- a/sql/mysql/migrations/133.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-alter table ttrss_feeds add column last_unconditional datetime null;
-
-UPDATE ttrss_version SET schema_version = 133;
-
-commit;
diff --git a/sql/mysql/migrations/134.sql b/sql/mysql/migrations/134.sql
deleted file mode 100644
index 7bbd7662d..000000000
--- a/sql/mysql/migrations/134.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-BEGIN;
-
-ALTER TABLE ttrss_filters2_rules MODIFY reg_exp text not null;
-
-UPDATE ttrss_version SET schema_version = 134;
-
-COMMIT;
diff --git a/sql/mysql/migrations/135.sql b/sql/mysql/migrations/135.sql
deleted file mode 100644
index 6d9d41ba6..000000000
--- a/sql/mysql/migrations/135.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-begin;
-
-alter table ttrss_filters2 add column last_triggered datetime;
-alter table ttrss_filters2 alter column last_triggered set default null;
-
-update ttrss_version set schema_version = 135;
-
-commit;
diff --git a/sql/mysql/migrations/136.sql b/sql/mysql/migrations/136.sql
deleted file mode 100644
index 05506a568..000000000
--- a/sql/mysql/migrations/136.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-begin;
-
-alter table ttrss_archived_feeds add column created datetime;
-update ttrss_archived_feeds set created = NOW();
-alter table ttrss_archived_feeds change created created datetime not null;
-
-update ttrss_version set schema_version = 136;
-
-commit;
diff --git a/sql/mysql/migrations/137.sql b/sql/mysql/migrations/137.sql
deleted file mode 100644
index 45e4de02f..000000000
--- a/sql/mysql/migrations/137.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-alter table ttrss_feeds add constraint ttrss_feeds_feed_url_owner_uid_key unique (feed_url(255), owner_uid);
-
-update ttrss_version set schema_version = 137;
-
-commit;
diff --git a/sql/mysql/migrations/138.sql b/sql/mysql/migrations/138.sql
deleted file mode 100644
index 6bfc5bcd5..000000000
--- a/sql/mysql/migrations/138.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,section_id) values('DEFAULT_SEARCH_LANGUAGE', 2, '', 2);
-
-update ttrss_version set schema_version = 138;
-
-commit;
diff --git a/sql/mysql/migrations/139.sql b/sql/mysql/migrations/139.sql
deleted file mode 100644
index 88dfb69c7..000000000
--- a/sql/mysql/migrations/139.sql
+++ /dev/null
@@ -1,13 +0,0 @@
-begin;
-
-create table ttrss_app_passwords (id integer not null primary key auto_increment,
-    title varchar(250) not null,
-    pwd_hash text not null,
-    service varchar(100) not null,
-    created datetime not null,
-    last_used datetime default null,
-    owner_uid integer not null references ttrss_users(id) on delete cascade) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-update ttrss_version set schema_version = 139;
-
-commit;
diff --git a/sql/mysql/migrations/14.sql b/sql/mysql/migrations/14.sql
deleted file mode 100644
index 8e7cc4dd5..000000000
--- a/sql/mysql/migrations/14.sql
+++ /dev/null
@@ -1,4 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('CDM_AUTO_CATCHUP', 1, 'false', 'Mark articles as read automatically',2,
-'This option enables marking articles as read automatically in combined mode while you scroll article list.');
-
-update ttrss_version set schema_version = 14;
diff --git a/sql/mysql/migrations/140.sql b/sql/mysql/migrations/140.sql
deleted file mode 100644
index 91215eff1..000000000
--- a/sql/mysql/migrations/140.sql
+++ /dev/null
@@ -1,4 +0,0 @@
-alter table ttrss_feeds add column last_successful_update datetime;
-alter table ttrss_feeds alter column last_successful_update set default null;
-
-update ttrss_version set schema_version = 140;
diff --git a/sql/mysql/migrations/141.sql b/sql/mysql/migrations/141.sql
deleted file mode 100644
index 03caf23d0..000000000
--- a/sql/mysql/migrations/141.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-create table ttrss_user_prefs2 (
-	owner_uid integer not null,
-	pref_name varchar(250),
-	profile integer null,
-	value longtext not null,
-	foreign key (profile) references ttrss_settings_profiles(id) ON DELETE CASCADE,
- 	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-update ttrss_version set schema_version = 141;
diff --git a/sql/mysql/migrations/142.sql b/sql/mysql/migrations/142.sql
deleted file mode 100644
index 7a75f3f52..000000000
--- a/sql/mysql/migrations/142.sql
+++ /dev/null
@@ -1,4 +0,0 @@
-create index ttrss_user_labels2_article_id_idx on ttrss_user_labels2(article_id);
-create index ttrss_user_labels2_label_id_idx on ttrss_user_labels2(label_id);
-
-update ttrss_version set schema_version = 142;
diff --git a/sql/mysql/migrations/143.sql b/sql/mysql/migrations/143.sql
deleted file mode 100644
index 6fb7226b5..000000000
--- a/sql/mysql/migrations/143.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-alter table ttrss_users add column otp_secret varchar(250);
-alter table ttrss_users alter column otp_secret set default null;
diff --git a/sql/mysql/migrations/144.sql b/sql/mysql/migrations/144.sql
deleted file mode 100644
index c1932f12b..000000000
--- a/sql/mysql/migrations/144.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-alter table ttrss_feeds add column favicon_is_custom boolean;
-alter table ttrss_feeds alter column favicon_is_custom set default null;
diff --git a/sql/mysql/migrations/145.sql b/sql/mysql/migrations/145.sql
deleted file mode 100644
index b49eccafc..000000000
--- a/sql/mysql/migrations/145.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-alter table ttrss_users add column last_auth_attempt datetime;
-alter table ttrss_users alter column last_auth_attempt set default null;
diff --git a/sql/mysql/migrations/146.sql b/sql/mysql/migrations/146.sql
deleted file mode 100644
index 6d4824727..000000000
--- a/sql/mysql/migrations/146.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-insert into ttrss_filter_actions (id,name,description) values (10, 'ignore-tag',
-	'Ignore tags');
diff --git a/sql/mysql/migrations/147.sql b/sql/mysql/migrations/147.sql
deleted file mode 100644
index 93b754f6b..000000000
--- a/sql/mysql/migrations/147.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-create fulltext index ttrss_entries_title_search_idx on ttrss_entries(title);
-create fulltext index ttrss_entries_combined_search_idx on ttrss_entries(title, content);
diff --git a/sql/mysql/migrations/148.sql b/sql/mysql/migrations/148.sql
deleted file mode 100644
index 8b1378917..000000000
--- a/sql/mysql/migrations/148.sql
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/sql/mysql/migrations/15.sql b/sql/mysql/migrations/15.sql
deleted file mode 100644
index 9fa183a09..000000000
--- a/sql/mysql/migrations/15.sql
+++ /dev/null
@@ -1,5 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_DEFAULT_VIEW_MODE', 2, 'adaptive', '', 1);
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_DEFAULT_VIEW_LIMIT', 3, '30', '', 1);
-
-update ttrss_version set schema_version = 15;
diff --git a/sql/mysql/migrations/16.sql b/sql/mysql/migrations/16.sql
deleted file mode 100644
index 00034df33..000000000
--- a/sql/mysql/migrations/16.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-alter table ttrss_feeds add column auth_pass_encrypted bool;
-update ttrss_feeds set auth_pass_encrypted = false;
-alter table ttrss_feeds change auth_pass_encrypted auth_pass_encrypted bool not null;
-alter table ttrss_feeds alter column auth_pass_encrypted set default false;
-
-update ttrss_version set schema_version = 16;
diff --git a/sql/mysql/migrations/17.sql b/sql/mysql/migrations/17.sql
deleted file mode 100644
index f5d39f33d..000000000
--- a/sql/mysql/migrations/17.sql
+++ /dev/null
@@ -1,13 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_PREFS_ACTIVE_TAB', 2, '', '', 1);
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_INFOBOX_DISABLE_OVERLAY', 1, 'false', '', 1);
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('STRIP_UNSAFE_TAGS', 1, 'true', 'Strip unsafe tags from articles', 3,
-'Strip all but most common HTML tags when reading articles.');
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('BLACKLISTED_TAGS', 2, 'main, generic, misc', 'Blacklisted tags', 3,
-'When auto-detecting tags in articles these tags will not be applied (comma-separated list).');
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('ENABLE_SEARCH_TOOLBAR', 1, 'false', 'Enable search toolbar',2);
-
-update ttrss_version set schema_version = 17;
diff --git a/sql/mysql/migrations/18.sql b/sql/mysql/migrations/18.sql
deleted file mode 100644
index e03c96fd0..000000000
--- a/sql/mysql/migrations/18.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_PREFS_ENABLE_PAGINATION', 2, '', '', 1);
-
-update ttrss_version set schema_version = 18;
diff --git a/sql/mysql/migrations/19.sql b/sql/mysql/migrations/19.sql
deleted file mode 100644
index ce727174b..000000000
--- a/sql/mysql/migrations/19.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_PREFS_PUBLISH_KEY', 2, '', '', 1);
-
-alter table ttrss_user_entries add column published bool;
-update ttrss_user_entries set published = false;
-alter table ttrss_user_entries change published published bool not null;
-alter table ttrss_user_entries alter column published set default false;
-
-insert into ttrss_filter_actions (id,name,description) values (5, 'publish', 
-	'Publish article');
-
-update ttrss_version set schema_version = 19;
diff --git a/sql/mysql/migrations/20.sql b/sql/mysql/migrations/20.sql
deleted file mode 100644
index 347654512..000000000
--- a/sql/mysql/migrations/20.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-UPDATE ttrss_prefs SET help_text = 'This option is useful when you are reading several planet-type aggregators with partially colliding userbase. When disabled, it forces same posts from different feeds to appear only once.' WHERE pref_name = 'ALLOW_DUPLICATE_POSTS';
-
-update ttrss_version set schema_version = 20;
diff --git a/sql/mysql/migrations/21.sql b/sql/mysql/migrations/21.sql
deleted file mode 100644
index f64d82228..000000000
--- a/sql/mysql/migrations/21.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('FRESH_ARTICLE_MAX_AGE', 3, '24', 'Maximum age of fresh articles (in hours)',2);
-
-update ttrss_version set schema_version = 21;
diff --git a/sql/mysql/migrations/22.sql b/sql/mysql/migrations/22.sql
deleted file mode 100644
index 7b4457887..000000000
--- a/sql/mysql/migrations/22.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-create index ttrss_entries_date_entered_index on ttrss_entries(date_entered);
-
-alter table ttrss_feeds add column cache_images bool;
-update ttrss_feeds set cache_images = false;
-alter table ttrss_feeds change cache_images cache_images bool not null;
-alter table ttrss_feeds alter column cache_images set default false;
-
-update ttrss_version set schema_version = 22;
diff --git a/sql/mysql/migrations/23.sql b/sql/mysql/migrations/23.sql
deleted file mode 100644
index fe54e757d..000000000
--- a/sql/mysql/migrations/23.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('DIGEST_CATCHUP', 1, 'false', 'Mark articles in e-mail digest as read',1);
-
-update ttrss_version set schema_version = 23;
diff --git a/sql/mysql/migrations/24.sql b/sql/mysql/migrations/24.sql
deleted file mode 100644
index f24e34062..000000000
--- a/sql/mysql/migrations/24.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('CDM_EXPANDED', 1, 'true', 'Automatically expand articles in combined mode',3);
-
-update ttrss_version set schema_version = 24;
diff --git a/sql/mysql/migrations/25.sql b/sql/mysql/migrations/25.sql
deleted file mode 100644
index c3f3d5ea4..000000000
--- a/sql/mysql/migrations/25.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-insert into ttrss_themes (theme_name, theme_path) values ('Three-pane', '3pane');
-
-update ttrss_version set schema_version = 25;
diff --git a/sql/mysql/migrations/26.sql b/sql/mysql/migrations/26.sql
deleted file mode 100644
index 14d62b8c0..000000000
--- a/sql/mysql/migrations/26.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('PURGE_UNREAD_ARTICLES', 1, 'true', 'Purge unread articles',3);
-
-alter table ttrss_users add column created datetime;
-alter table ttrss_users alter column created set default null;
-
-create table ttrss_enclosures (id serial not null primary key,
-   content_url text not null,
-   content_type varchar(250) not null,
-   post_id integer not null, 
-	title text not null,
-	duration text not null,
-   index (post_id),
-   foreign key (post_id) references ttrss_entries(id) ON DELETE cascade);
-
-update ttrss_version set schema_version = 26;
diff --git a/sql/mysql/migrations/27.sql b/sql/mysql/migrations/27.sql
deleted file mode 100644
index fcd6e8509..000000000
--- a/sql/mysql/migrations/27.sql
+++ /dev/null
@@ -1,4 +0,0 @@
-alter table ttrss_feeds add column last_viewed datetime;
-alter table ttrss_feeds alter column last_viewed set default null;
-
-update ttrss_version set schema_version = 27;
diff --git a/sql/mysql/migrations/28.sql b/sql/mysql/migrations/28.sql
deleted file mode 100644
index ffdf8448e..000000000
--- a/sql/mysql/migrations/28.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-UPDATE ttrss_prefs SET def_value = 'main, generic, misc, uncategorized, blog, blogroll, general, news' WHERE pref_name = 'BLACKLISTED_TAGS';
-
-update ttrss_version set schema_version = 28;
diff --git a/sql/mysql/migrations/29.sql b/sql/mysql/migrations/29.sql
deleted file mode 100644
index 89b5e94a0..000000000
--- a/sql/mysql/migrations/29.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('HIDE_READ_SHOWS_SPECIAL', 1, 'true', 'Show special feeds when hiding read feeds',3);
-
-update ttrss_version set schema_version = 29;
diff --git a/sql/mysql/migrations/3.sql b/sql/mysql/migrations/3.sql
deleted file mode 100644
index 79860a29c..000000000
--- a/sql/mysql/migrations/3.sql
+++ /dev/null
@@ -1,43 +0,0 @@
-begin;
-
-alter table ttrss_entries add column num_comments integer;
-
-update ttrss_entries set num_comments = 0;
-
-alter table ttrss_entries change num_comments num_comments integer not null;
-alter table ttrss_entries alter column num_comments set default 0;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('COMBINED_DISPLAY_MODE', 1, 'false', 'Combined feed display',2,
-	'Display expanded list of feed articles, instead of separate displays for headlines and article content');
-
-alter table ttrss_feed_categories add column collapsed bool;
-
-update ttrss_feed_categories set collapsed = false;
-
-alter table ttrss_feed_categories change collapsed collapsed bool not null;
-alter table ttrss_feed_categories alter column collapsed set default 0;
-
-alter table ttrss_feeds add column auth_login varchar(250);
-alter table ttrss_feeds add column auth_pass varchar(250);
-
-update ttrss_feeds set auth_login = '';
-update ttrss_feeds set auth_pass = '';
-
-alter table ttrss_feeds change auth_login auth_login varchar(250) not null;
-alter table ttrss_feeds alter column auth_login set default '';
-
-alter table ttrss_feeds change auth_pass auth_pass varchar(250) not null;
-alter table ttrss_feeds alter column auth_pass set default '';
-
-alter table ttrss_users add column email varchar(250);
-
-update ttrss_users set email = '';
-
-alter table ttrss_users change email email varchar(250) not null;
-alter table ttrss_users alter column email set default '';
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('ENABLE_SEARCH_TOOLBAR', 1, 'false', 'Enable search toolbar',2);
-
-update ttrss_version set schema_version = 3;
-
-commit;
diff --git a/sql/mysql/migrations/30.sql b/sql/mysql/migrations/30.sql
deleted file mode 100644
index 0cff2018a..000000000
--- a/sql/mysql/migrations/30.sql
+++ /dev/null
@@ -1,4 +0,0 @@
-alter table ttrss_feeds add column last_update_started datetime;
-alter table ttrss_feeds alter column last_update_started set default null;
-
-update ttrss_version set schema_version = 30;
diff --git a/sql/mysql/migrations/31.sql b/sql/mysql/migrations/31.sql
deleted file mode 100644
index 94cfc14d8..000000000
--- a/sql/mysql/migrations/31.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-alter table ttrss_feeds add column update_method integer;
-update ttrss_feeds set update_method = 0;
-alter table ttrss_feeds change update_method update_method integer not null;
-alter table ttrss_feeds alter column update_method set default 0;
-
-update ttrss_version set schema_version = 31;
diff --git a/sql/mysql/migrations/32.sql b/sql/mysql/migrations/32.sql
deleted file mode 100644
index 689e5072c..000000000
--- a/sql/mysql/migrations/32.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-alter table ttrss_prefs add column access_level integer;
-update ttrss_prefs set access_level = 0;
-alter table ttrss_prefs change access_level access_level integer not null;
-alter table ttrss_prefs alter column access_level set default 0;
-
-update ttrss_version set schema_version = 32;
diff --git a/sql/mysql/migrations/33.sql b/sql/mysql/migrations/33.sql
deleted file mode 100644
index 8317dc2de..000000000
--- a/sql/mysql/migrations/33.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('HIDE_FEEDLIST', 1, 'false', 'Hide feedlist',2, 'This option hides feedlist and allows it to be toggled on the fly, useful for small screens.');
-
-update ttrss_version set schema_version = 33;
diff --git a/sql/mysql/migrations/34.sql b/sql/mysql/migrations/34.sql
deleted file mode 100644
index e591a7a96..000000000
--- a/sql/mysql/migrations/34.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-alter table ttrss_feeds change feed_url feed_url text not null;
-
-update ttrss_version set schema_version = 34;
diff --git a/sql/mysql/migrations/35.sql b/sql/mysql/migrations/35.sql
deleted file mode 100644
index ad112a021..000000000
--- a/sql/mysql/migrations/35.sql
+++ /dev/null
@@ -1 +0,0 @@
-update ttrss_version set schema_version = 35;
diff --git a/sql/mysql/migrations/36.sql b/sql/mysql/migrations/36.sql
deleted file mode 100644
index d92da2880..000000000
--- a/sql/mysql/migrations/36.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-alter table ttrss_user_entries add column score integer;
-update ttrss_user_entries set score = 0;
-alter table ttrss_user_entries change score score integer not null;
-alter table ttrss_user_entries alter column score set default 0;
-
-insert into ttrss_filter_actions (id,name,description) values (6, 'score', 
-	'Modify score');
-
-update ttrss_version set schema_version = 36;
diff --git a/sql/mysql/migrations/37.sql b/sql/mysql/migrations/37.sql
deleted file mode 100644
index 4e764d7ee..000000000
--- a/sql/mysql/migrations/37.sql
+++ /dev/null
@@ -1,4 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('VFEED_GROUP_BY_FEED', 1, 'false', 'Group headlines in virtual feeds',2,
-	'When this option is enabled, headlines in Special feeds and Labels are grouped by feeds');
-
-update ttrss_version set schema_version = 37;
diff --git a/sql/mysql/migrations/38.sql b/sql/mysql/migrations/38.sql
deleted file mode 100644
index df544d03b..000000000
--- a/sql/mysql/migrations/38.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('SYNC_COUNTERS', 1, 'false', 'Prefer more accurate feedlist counters to UI speed',3);
-
-update ttrss_version set schema_version = 38;
diff --git a/sql/mysql/migrations/39.sql b/sql/mysql/migrations/39.sql
deleted file mode 100644
index f27db09d6..000000000
--- a/sql/mysql/migrations/39.sql
+++ /dev/null
@@ -1,5 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('ENABLE_FLASH_PLAYER', 1, 'true', 'Enable inline MP3 player', 3, 'Enable the Flash-based XSPF Player to play MP3-format podcast enclosures.');
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('STRIP_IMAGES', 1, 'false', 'Do not show images in articles', 2);
-
-update ttrss_version set schema_version = 39;
diff --git a/sql/mysql/migrations/4.sql b/sql/mysql/migrations/4.sql
deleted file mode 100644
index 6dfc5f82f..000000000
--- a/sql/mysql/migrations/4.sql
+++ /dev/null
@@ -1,17 +0,0 @@
-begin;
-
-alter table ttrss_feeds add column parent_feed integer;
-alter table ttrss_feeds add foreign key (parent_feed) references ttrss_feeds(id) on delete set null;
-
-alter table ttrss_feeds add column private bool;
-
-update ttrss_feeds set private = false;
-
-alter table ttrss_feeds change private private bool not null;
-alter table ttrss_feeds alter column private set default 0;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('HIDE_READ_FEEDS', 1, 'false', 'Hide feeds with no unread messages',2);
-
-update ttrss_version set schema_version = 4;
-
-commit;
diff --git a/sql/mysql/migrations/40.sql b/sql/mysql/migrations/40.sql
deleted file mode 100644
index 5a506cea6..000000000
--- a/sql/mysql/migrations/40.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-update ttrss_prefs set short_desc = 'Enable feed icons' where pref_name = 'ENABLE_FEED_ICONS'; 
-
-update ttrss_version set schema_version = 40;
diff --git a/sql/mysql/migrations/41.sql b/sql/mysql/migrations/41.sql
deleted file mode 100644
index bf5887336..000000000
--- a/sql/mysql/migrations/41.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-alter table ttrss_feed_categories add column order_id integer;
-update ttrss_feed_categories set order_id = 0;
-alter table ttrss_feed_categories change order_id order_id integer not null;
-alter table ttrss_feed_categories alter column order_id set default 0;
-
-update ttrss_version set schema_version = 41;
diff --git a/sql/mysql/migrations/42.sql b/sql/mysql/migrations/42.sql
deleted file mode 100644
index 3ae211d07..000000000
--- a/sql/mysql/migrations/42.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_DEFAULT_VIEW_ORDER_BY', 2, 'default', '', 1);
-
-update ttrss_version set schema_version = 42;
diff --git a/sql/mysql/migrations/43.sql b/sql/mysql/migrations/43.sql
deleted file mode 100644
index f1344b203..000000000
--- a/sql/mysql/migrations/43.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-alter table ttrss_labels change sql_exp sql_exp text not null;
-
-update ttrss_version set schema_version = 43;
diff --git a/sql/mysql/migrations/44.sql b/sql/mysql/migrations/44.sql
deleted file mode 100644
index c17bcc38f..000000000
--- a/sql/mysql/migrations/44.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-create table ttrss_counters_cache (
-	feed_id integer not null,
-	owner_uid integer not null,
-	value integer not null default 0,
-	foreign key (feed_id) references ttrss_feeds(id) ON DELETE CASCADE,
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE
-);
-
-update ttrss_version set schema_version = 44;
diff --git a/sql/mysql/migrations/45.sql b/sql/mysql/migrations/45.sql
deleted file mode 100644
index c4b91cf48..000000000
--- a/sql/mysql/migrations/45.sql
+++ /dev/null
@@ -1,3 +0,0 @@
-update ttrss_prefs set help_text = 'This option enables marking articles as read automatically in combined mode (except for Fresh articles feed) while you scroll article list.' where pref_name = 'CDM_AUTO_CATCHUP';
-
-update ttrss_version set schema_version = 45;
diff --git a/sql/mysql/migrations/46.sql b/sql/mysql/migrations/46.sql
deleted file mode 100644
index 8bf25629a..000000000
--- a/sql/mysql/migrations/46.sql
+++ /dev/null
@@ -1,4 +0,0 @@
-insert into ttrss_filter_types (id,name,description) values (5, 'date', 
-	'Article Date');
-
-update ttrss_version set schema_version = 46;
diff --git a/sql/mysql/migrations/47.sql b/sql/mysql/migrations/47.sql
deleted file mode 100644
index a3afd94c5..000000000
--- a/sql/mysql/migrations/47.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-alter table ttrss_filters add column filter_param varchar(200);
-
-update ttrss_filters set filter_param = '';
-
-alter table ttrss_filters change filter_param filter_param varchar(200) not null;
-alter table ttrss_filters alter column filter_param set default '';
-
-update ttrss_version set schema_version = 47;
-
diff --git a/sql/mysql/migrations/48.sql b/sql/mysql/migrations/48.sql
deleted file mode 100644
index 8c42f6e27..000000000
--- a/sql/mysql/migrations/48.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-create table ttrss_feedbrowser_cache (
-	feed_url text not null,
-	subscribers integer not null);	
-
-update ttrss_version set schema_version = 48;
-
diff --git a/sql/mysql/migrations/49.sql b/sql/mysql/migrations/49.sql
deleted file mode 100644
index 812f3e65b..000000000
--- a/sql/mysql/migrations/49.sql
+++ /dev/null
@@ -1,5 +0,0 @@
-alter table ttrss_counters_cache add column updated datetime;
-update ttrss_counters_cache set updated = NOW();
-alter table ttrss_counters_cache change updated updated datetime not null;
-
-update ttrss_version set schema_version = 49;
diff --git a/sql/mysql/migrations/5.sql b/sql/mysql/migrations/5.sql
deleted file mode 100644
index 1d8b8537b..000000000
--- a/sql/mysql/migrations/5.sql
+++ /dev/null
@@ -1,12 +0,0 @@
-begin;
-
-create table ttrss_scheduled_updates (id integer not null primary key auto_increment,
-	owner_uid integer not null,
-	feed_id integer default null,
-	entered datetime not null,
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE,
-	foreign key (feed_id) references ttrss_feeds(id) ON DELETE CASCADE) ENGINE=InnoDB;
-
-update ttrss_version set schema_version = 5;
-
-commit;
diff --git a/sql/mysql/migrations/50.sql b/sql/mysql/migrations/50.sql
deleted file mode 100644
index 6f49742f4..000000000
--- a/sql/mysql/migrations/50.sql
+++ /dev/null
@@ -1,19 +0,0 @@
-drop table if exists ttrss_counters_cache;
-
-create table ttrss_counters_cache (
-	feed_id integer not null,
-	owner_uid integer not null,
-	value integer not null default 0,
-	updated datetime not null,
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE
-);
-
-create table ttrss_cat_counters_cache (
-	feed_id integer not null,
-	owner_uid integer not null,
-	value integer not null default 0,
-	updated datetime not null,
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE
-);
-
-update ttrss_version set schema_version = 50;
diff --git a/sql/mysql/migrations/51.sql b/sql/mysql/migrations/51.sql
deleted file mode 100644
index e8fe4c7b8..000000000
--- a/sql/mysql/migrations/51.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-create table ttrss_labels2 (id integer not null primary key auto_increment, 
-	owner_uid integer not null,
-	caption varchar(250) not null,
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE
-) ENGINE=InnoDB;
-
-create table ttrss_user_labels2 (label_id integer not null,
-	article_id integer not null,
-	foreign key (label_id) references ttrss_labels2(id) ON DELETE CASCADE,
-	foreign key (article_id) references ttrss_entries(id) ON DELETE CASCADE
-) ENGINE=InnoDB;
-
-insert into ttrss_filter_actions (id,name,description) values (7, 'label', 
-	'Assign label');
-
-update ttrss_version set schema_version = 51;
diff --git a/sql/mysql/migrations/52.sql b/sql/mysql/migrations/52.sql
deleted file mode 100644
index 4d9b64eb1..000000000
--- a/sql/mysql/migrations/52.sql
+++ /dev/null
@@ -1,5 +0,0 @@
-alter table ttrss_feedbrowser_cache add column title text;
-update ttrss_feedbrowser_cache set title = '';
-alter table ttrss_feedbrowser_cache change title title text not null;
-
-update ttrss_version set schema_version = 52;
diff --git a/sql/mysql/migrations/53.sql b/sql/mysql/migrations/53.sql
deleted file mode 100644
index 3db0cbd81..000000000
--- a/sql/mysql/migrations/53.sql
+++ /dev/null
@@ -1,11 +0,0 @@
-alter table ttrss_labels2 add column fg_color varchar(15);
-update ttrss_labels2 set fg_color = '';
-alter table ttrss_labels2 change fg_color fg_color varchar(15) not null;
-alter table ttrss_labels2 alter column fg_color set default '';
-
-alter table ttrss_labels2 add column bg_color varchar(15);
-update ttrss_labels2 set bg_color = '';
-alter table ttrss_labels2 change bg_color bg_color varchar(15) not null;
-alter table ttrss_labels2 alter column bg_color set default '';
-
-update ttrss_version set schema_version = 53;
diff --git a/sql/mysql/migrations/54.sql b/sql/mysql/migrations/54.sql
deleted file mode 100644
index 28d3f8ee4..000000000
--- a/sql/mysql/migrations/54.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('ENABLE_OFFLINE_READING', 1, 'false', 'Enable offline reading',1,	'Synchronize new articles for offline reading using Google Gears.');
-
-update ttrss_version set schema_version = 54;
-
-commit;
diff --git a/sql/mysql/migrations/55.sql b/sql/mysql/migrations/55.sql
deleted file mode 100644
index 75f55b3c3..000000000
--- a/sql/mysql/migrations/55.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-alter table ttrss_user_entries add column note text;
-
-update ttrss_version set schema_version = 55;
-
-commit;
diff --git a/sql/mysql/migrations/56.sql b/sql/mysql/migrations/56.sql
deleted file mode 100644
index 11cd3069c..000000000
--- a/sql/mysql/migrations/56.sql
+++ /dev/null
@@ -1,16 +0,0 @@
-begin;
-
-drop table ttrss_enclosures;
-
-create table ttrss_enclosures (id serial not null primary key,
-	content_url text not null,
-	content_type varchar(250) not null,
-	post_id integer not null,
-	title text not null,
-	duration text not null,
-	index (post_id),
-	foreign key (post_id) references ttrss_entries(id) ON DELETE cascade) ENGINE=InnoDB;
-
-update ttrss_version set schema_version = 56;
-
-commit;
diff --git a/sql/mysql/migrations/57.sql b/sql/mysql/migrations/57.sql
deleted file mode 100644
index 27a66d5b7..000000000
--- a/sql/mysql/migrations/57.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-alter table ttrss_feeds add column always_display_enclosures boolean;
-update ttrss_feeds set always_display_enclosures = false;
-alter table ttrss_feeds change always_display_enclosures always_display_enclosures boolean not null;
-alter table ttrss_feeds alter column always_display_enclosures set default false;
-
-update ttrss_version set schema_version = 57;
diff --git a/sql/mysql/migrations/58.sql b/sql/mysql/migrations/58.sql
deleted file mode 100644
index 61173c1d5..000000000
--- a/sql/mysql/migrations/58.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('ENABLE_API_ACCESS', 1, 'false', 'Enable external API', 3);
-
-update ttrss_version set schema_version = 58;
-
-commit;
diff --git a/sql/mysql/migrations/59.sql b/sql/mysql/migrations/59.sql
deleted file mode 100644
index d51fe8f65..000000000
--- a/sql/mysql/migrations/59.sql
+++ /dev/null
@@ -1,13 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_COLLAPSED_SPECIAL', 1, 'false', '', 1);
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_COLLAPSED_LABELS', 1, 'false', '', 1);
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_COLLAPSED_FEEDLIST', 1, 'false', '', 1);
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_COLLAPSED_UNCAT', 1, 'false', '', 1);
-
-update ttrss_version set schema_version = 59;
-
-commit;
diff --git a/sql/mysql/migrations/6.sql b/sql/mysql/migrations/6.sql
deleted file mode 100644
index b7ee97ccc..000000000
--- a/sql/mysql/migrations/6.sql
+++ /dev/null
@@ -1,20 +0,0 @@
-alter table ttrss_entries add column author varchar(250);
-
-update ttrss_entries set author = '';
-
-alter table ttrss_entries change author author varchar(250) not null;
-alter table ttrss_entries alter column author set default '';
-
-create table ttrss_sessions (id varchar(250) not null primary key,
-	data text,
-	expire integer not null,
-	ip_address varchar(15) not null default '',
-	index (id),
-	index (expire)) ENGINE=InnoDB;
-
-delete from ttrss_prefs where pref_name = 'ENABLE_SPLASH';
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('OPEN_LINKS_IN_NEW_WINDOW', 1, 'true', 'Open article links in new browser window',2);
-
-update ttrss_version set schema_version = 6;
-
diff --git a/sql/mysql/migrations/60.sql b/sql/mysql/migrations/60.sql
deleted file mode 100644
index 6b33e6c87..000000000
--- a/sql/mysql/migrations/60.sql
+++ /dev/null
@@ -1,20 +0,0 @@
-begin;
-
-alter table ttrss_user_entries change feed_id feed_id integer null;
-
-create table ttrss_archived_feeds (id integer not null primary key,
-	owner_uid integer not null,
-	title varchar(200) not null, 
-	feed_url text not null, 
-	site_url varchar(250) not null default '',
-	index(owner_uid),
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB;
-
-alter table ttrss_user_entries add column orig_feed_id integer;
-update ttrss_user_entries set orig_feed_id = NULL;
-
-alter table ttrss_user_entries add FOREIGN KEY (orig_feed_id) REFERENCES ttrss_archived_feeds(id) ON DELETE SET NULL;
-
-update ttrss_version set schema_version = 60;
-
-commit;
diff --git a/sql/mysql/migrations/61.sql b/sql/mysql/migrations/61.sql
deleted file mode 100644
index 209a7ba55..000000000
--- a/sql/mysql/migrations/61.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-begin;
-
-update ttrss_prefs set short_desc = 'Amount of articles to display at once', help_text = '', def_value = '30' where pref_name = 'DEFAULT_ARTICLE_LIMIT';
-
-update ttrss_user_prefs set value = '30' where pref_name = 'DEFAULT_ARTICLE_LIMIT' and value = '0';
-
-update ttrss_version set schema_version = 61;
-
-commit;
diff --git a/sql/mysql/migrations/62.sql b/sql/mysql/migrations/62.sql
deleted file mode 100644
index 4cc904b0a..000000000
--- a/sql/mysql/migrations/62.sql
+++ /dev/null
@@ -1,13 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_MOBILE_ENABLE_CATS', 1, 'false', '', 1);
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_MOBILE_SHOW_IMAGES', 1, 'false', '', 1);
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_MOBILE_HIDE_READ', 1, 'false', '', 1);
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_MOBILE_SORT_FEEDS_UNREAD', 1, 'false', '', 1);
-
-update ttrss_version set schema_version = 62;
-
-commit;
diff --git a/sql/mysql/migrations/63.sql b/sql/mysql/migrations/63.sql
deleted file mode 100644
index 26b7126e7..000000000
--- a/sql/mysql/migrations/63.sql
+++ /dev/null
@@ -1,18 +0,0 @@
-begin;
-
-create table ttrss_settings_profiles(id integer primary key auto_increment,
-	title varchar(250) not null,
-	owner_uid integer not null,
-	index (owner_uid),
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB;
-
-alter table ttrss_user_prefs add column profile integer;
-update ttrss_user_prefs set profile = NULL;
-
-alter table ttrss_user_prefs add FOREIGN KEY (profile) REFERENCES ttrss_settings_profiles(id) ON DELETE CASCADE;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_THEME_ID', 3, '0', '', 1);
-
-update ttrss_version set schema_version = 63;
-
-commit;
diff --git a/sql/mysql/migrations/64.sql b/sql/mysql/migrations/64.sql
deleted file mode 100644
index 51f0be7e2..000000000
--- a/sql/mysql/migrations/64.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-update ttrss_prefs set type_id = 2 where pref_name = '_THEME_ID';
-
-update ttrss_version set schema_version = 64;
-
-commit;
diff --git a/sql/mysql/migrations/65.sql b/sql/mysql/migrations/65.sql
deleted file mode 100644
index ce21de898..000000000
--- a/sql/mysql/migrations/65.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-update ttrss_prefs set short_desc = 'Default feed update interval' where pref_name = 'DEFAULT_UPDATE_INTERVAL';
-
-update ttrss_version set schema_version = 65;
-
-commit;
diff --git a/sql/mysql/migrations/66.sql b/sql/mysql/migrations/66.sql
deleted file mode 100644
index f90c0a157..000000000
--- a/sql/mysql/migrations/66.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_filter_types (id, name, description) values (6, 'author', 'Author');
-
-update ttrss_version set schema_version = 66;
-
-commit;
diff --git a/sql/mysql/migrations/67.sql b/sql/mysql/migrations/67.sql
deleted file mode 100644
index b501bf4c3..000000000
--- a/sql/mysql/migrations/67.sql
+++ /dev/null
@@ -1,5 +0,0 @@
-alter table ttrss_entries add column date_updated datetime;
-update ttrss_entries set date_updated = date_entered;
-alter table ttrss_entries change date_updated date_updated datetime not null;
-
-update ttrss_version set schema_version = 67;
diff --git a/sql/mysql/migrations/68.sql b/sql/mysql/migrations/68.sql
deleted file mode 100644
index 6d56df0f9..000000000
--- a/sql/mysql/migrations/68.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('USER_TIMEZONE', 2, 'UTC', 'User timezone', 1);
-
-update ttrss_version set schema_version = 68;
-
-commit;
diff --git a/sql/mysql/migrations/69.sql b/sql/mysql/migrations/69.sql
deleted file mode 100644
index 3e42fd3fb..000000000
--- a/sql/mysql/migrations/69.sql
+++ /dev/null
@@ -1,12 +0,0 @@
-begin;
-
-create table ttrss_access_keys (id serial not null primary key,
-	access_key varchar(250) not null,
-	feed_id varchar(250) not null,
-	is_cat bool not null default false,
-	owner_uid integer not null,
-  	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-update ttrss_version set schema_version = 69;
-
-commit;
diff --git a/sql/mysql/migrations/7.sql b/sql/mysql/migrations/7.sql
deleted file mode 100644
index bee135989..000000000
--- a/sql/mysql/migrations/7.sql
+++ /dev/null
@@ -1,19 +0,0 @@
-alter table ttrss_feeds add column rtl_content bool;
-
-update ttrss_feeds set rtl_content = false;
-
-alter table ttrss_feeds change rtl_content rtl_content bool not null;
-alter table ttrss_feeds alter column rtl_content set default false;
-
-delete from ttrss_user_prefs where pref_name = 'DISPLAY_FEEDLIST_ACTIONS';
-delete from ttrss_prefs where pref_name = 'DISPLAY_FEEDLIST_ACTIONS';
-
-delete from ttrss_user_prefs where pref_name = 'ENABLE_PREFS_CATCHUP_UNCATCHUP';
-delete from ttrss_prefs where pref_name = 'ENABLE_PREFS_CATCHUP_UNCATCHUP';
-
-alter table ttrss_sessions drop column ip_address;
-
-alter table ttrss_filters drop column description;
- 
-update ttrss_version set schema_version = 7;
-
diff --git a/sql/mysql/migrations/70.sql b/sql/mysql/migrations/70.sql
deleted file mode 100644
index 0c64336d4..000000000
--- a/sql/mysql/migrations/70.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-alter table ttrss_users add column full_name varchar(250);
-update ttrss_users set full_name = '';
-alter table ttrss_users change full_name full_name varchar(250) not null;
-alter table ttrss_users alter column full_name set default '';
-
-update ttrss_version set schema_version = 70;
diff --git a/sql/mysql/migrations/71.sql b/sql/mysql/migrations/71.sql
deleted file mode 100644
index 2061ada2b..000000000
--- a/sql/mysql/migrations/71.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_filter_types (id,name,description) values (7, 'tag', 'Article Tags');
-
-update ttrss_version set schema_version = 71;
-
-commit;
diff --git a/sql/mysql/migrations/72.sql b/sql/mysql/migrations/72.sql
deleted file mode 100644
index 2995afda3..000000000
--- a/sql/mysql/migrations/72.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-begin;
-
-alter table ttrss_user_entries add column tag_cache text;
-update ttrss_user_entries set tag_cache = '';
-alter table ttrss_user_entries change tag_cache tag_cache text not null;
-
-update ttrss_version set schema_version = 72;
-
-commit;
diff --git a/sql/mysql/migrations/73.sql b/sql/mysql/migrations/73.sql
deleted file mode 100644
index 051578d22..000000000
--- a/sql/mysql/migrations/73.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('SORT_HEADLINES_BY_FEED_DATE', 1, 'true', 'Sort headlines by feed date',3,
-	'Use feed-specified date to sort headlines instead of local import date.');
-
-update ttrss_version set schema_version = 73;
-
-commit;
diff --git a/sql/mysql/migrations/74.sql b/sql/mysql/migrations/74.sql
deleted file mode 100644
index d13856ea9..000000000
--- a/sql/mysql/migrations/74.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-begin;
-
-alter table ttrss_user_entries add column label_cache text;
-update ttrss_user_entries set label_cache = '';
-alter table ttrss_user_entries change label_cache label_cache text not null;
-
-update ttrss_version set schema_version = 74;
-
-commit;
diff --git a/sql/mysql/migrations/75.sql b/sql/mysql/migrations/75.sql
deleted file mode 100644
index c9017b9e9..000000000
--- a/sql/mysql/migrations/75.sql
+++ /dev/null
@@ -1,10 +0,0 @@
-begin;
-
-alter table ttrss_feeds add column order_id integer;
-update ttrss_feeds set order_id = 0;
-alter table ttrss_feeds change order_id order_id integer not null;
-alter table ttrss_feeds alter column order_id set default 0;
-
-update ttrss_version set schema_version = 75;
-
-commit;
diff --git a/sql/mysql/migrations/76.sql b/sql/mysql/migrations/76.sql
deleted file mode 100644
index 95c352b45..000000000
--- a/sql/mysql/migrations/76.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-begin;
-
-alter table ttrss_users add column twitter_oauth longtext;
-alter table ttrss_users alter column twitter_oauth set default null;
-
-update ttrss_version set schema_version = 76;
-
-commit;
diff --git a/sql/mysql/migrations/77.sql b/sql/mysql/migrations/77.sql
deleted file mode 100644
index 944f31d84..000000000
--- a/sql/mysql/migrations/77.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('USER_STYLESHEET', 2, '', 'Customize stylesheet', 2, 'Customize CSS stylesheet to your liking');
-
-update ttrss_version set schema_version = 77;
-
-commit;
diff --git a/sql/mysql/migrations/78.sql b/sql/mysql/migrations/78.sql
deleted file mode 100644
index 80e9e782a..000000000
--- a/sql/mysql/migrations/78.sql
+++ /dev/null
@@ -1,15 +0,0 @@
-begin;
-
-delete from ttrss_user_prefs where pref_name in ('HIDE_FEEDLIST', 'SYNC_COUNTERS', 'ENABLE_LABELS',
-	'ENABLE_SEARCH_TOOLBAR', 'ENABLE_FEED_ICONS', 
-	'ENABLE_OFFLINE_READING', 'EXTENDED_FEEDLIST', 'OPEN_LINKS_IN_NEW_WINDOW', 
-	'USER_STYLESHEET_URL', 'ENABLE_FLASH_PLAYER');
-
-delete from ttrss_prefs where pref_name in ('HIDE_FEEDLIST', 'SYNC_COUNTERS', 'ENABLE_LABELS',
-	'ENABLE_SEARCH_TOOLBAR', 'ENABLE_FEED_ICONS', 
-	'ENABLE_OFFLINE_READING', 'EXTENDED_FEEDLIST', 'OPEN_LINKS_IN_NEW_WINDOW', 
-	'USER_STYLESHEET_URL', 'ENABLE_FLASH_PLAYER');
-
-update ttrss_version set schema_version = 78;
-
-commit;
diff --git a/sql/mysql/migrations/79.sql b/sql/mysql/migrations/79.sql
deleted file mode 100644
index 7e8c31d49..000000000
--- a/sql/mysql/migrations/79.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_MOBILE_BROWSE_CATS', 1, 'true', '', 1);
-
-update ttrss_version set schema_version = 79;
-
-commit;
diff --git a/sql/mysql/migrations/8.sql b/sql/mysql/migrations/8.sql
deleted file mode 100644
index 39100450b..000000000
--- a/sql/mysql/migrations/8.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-insert into ttrss_themes (theme_name, theme_path) values ('Old-skool', 'compat');
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('ON_CATCHUP_SHOW_NEXT_FEED', 1, 'false', 'On catchup show next feed',2,
-	'When "Mark as read" button is clicked in toolbar, automatically open next feed with unread articles.');
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('FEEDS_SORT_BY_UNREAD', 1, 'false', 'Sort feeds by unread articles count',2);
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('EXTENDED_FEEDLIST', 1, 'false', 'Show additional information in feedlist',2);
-
-insert into ttrss_filter_actions (id,name,description) values (3, 'mark', 
-	'Set starred');
-
-update ttrss_version set schema_version = 8;
-
diff --git a/sql/mysql/migrations/80.sql b/sql/mysql/migrations/80.sql
deleted file mode 100644
index df2295c42..000000000
--- a/sql/mysql/migrations/80.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-begin;
-
-update ttrss_prefs set section_id = 3, 
-	short_desc = 'Automatically mark articles as read',
-	help_text = 'Mark articles as read automatically while you scroll article list.' where pref_name = 'CDM_AUTO_CATCHUP';
-
-update ttrss_version set schema_version = 80;
-
-commit;
diff --git a/sql/mysql/migrations/81.sql b/sql/mysql/migrations/81.sql
deleted file mode 100644
index 800ceede0..000000000
--- a/sql/mysql/migrations/81.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-update ttrss_filter_actions set description = 'Delete article' where name = 'filter';
-
-update ttrss_version set schema_version = 81;
-
-commit;
diff --git a/sql/mysql/migrations/82.sql b/sql/mysql/migrations/82.sql
deleted file mode 100644
index 80ca24e72..000000000
--- a/sql/mysql/migrations/82.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('SSL_CERT_SERIAL', 2, '', 'Login with an SSL certificate',3, 'Click to register your SSL client certificate with tt-rss');
-
-update ttrss_version set schema_version = 82;
-
-commit;
diff --git a/sql/mysql/migrations/83.sql b/sql/mysql/migrations/83.sql
deleted file mode 100644
index e6f9a2a7f..000000000
--- a/sql/mysql/migrations/83.sql
+++ /dev/null
@@ -1,34 +0,0 @@
-begin;
-
-alter table ttrss_feeds add column mark_unread_on_update boolean;
-update ttrss_feeds set mark_unread_on_update = false;
-alter table ttrss_feeds change mark_unread_on_update mark_unread_on_update boolean not null;
-alter table ttrss_feeds alter column mark_unread_on_update set default false;
-
-alter table ttrss_feeds add column strip_images boolean;
-update ttrss_feeds set strip_images = false;
-alter table ttrss_feeds change strip_images strip_images boolean not null;
-alter table ttrss_feeds alter column strip_images set default false;
-
-alter table ttrss_feeds add column update_on_checksum_change boolean;
-update ttrss_feeds set update_on_checksum_change = false;
-alter table ttrss_feeds change update_on_checksum_change update_on_checksum_change boolean not null;
-alter table ttrss_feeds alter column update_on_checksum_change set default false;
-
-DELETE FROM ttrss_user_prefs WHERE pref_name IN ('HIDE_FEEDLIST', 'SYNC_COUNTERS', 'ENABLE_LABELS', 'ENABLE_SEARCH_TOOLBAR', 'ENABLE_FEED_ICONS', 'ENABLE_OFFLINE_READING', 'EXTENDED_FEEDLIST', 'OPEN_LINKS_IN_NEW_WINDOW', 'ENABLE_FLASH_PLAYER', 'HEADLINES_SMART_DATE', 'MARK_UNREAD_ON_UPDATE', 'UPDATE_POST_ON_CHECKSUM_CHANGE');
-
-DELETE FROM ttrss_prefs WHERE pref_name IN ('HIDE_FEEDLIST', 'SYNC_COUNTERS', 'ENABLE_LABELS', 'ENABLE_SEARCH_TOOLBAR', 'ENABLE_FEED_ICONS', 'ENABLE_OFFLINE_READING', 'EXTENDED_FEEDLIST', 'OPEN_LINKS_IN_NEW_WINDOW', 'ENABLE_FLASH_PLAYER', 'HEADLINES_SMART_DATE', 'MARK_UNREAD_ON_UPDATE', 'UPDATE_POST_ON_CHECKSUM_CHANGE');
-
-alter table ttrss_feeds add column pubsub_state integer;
-update ttrss_feeds set pubsub_state = 0;
-alter table ttrss_feeds change pubsub_state pubsub_state integer not null;
-alter table ttrss_feeds alter column pubsub_state set default 0;
-
-alter table ttrss_users drop foreign key ttrss_users_ibfk_1;
-alter table ttrss_users drop column theme_id;
-
-drop table ttrss_themes;
-
-update ttrss_version set schema_version = 83;
-
-commit;
diff --git a/sql/mysql/migrations/84.sql b/sql/mysql/migrations/84.sql
deleted file mode 100644
index cc28b7574..000000000
--- a/sql/mysql/migrations/84.sql
+++ /dev/null
@@ -1,23 +0,0 @@
-begin;
-
-create table ttrss_linked_instances (id integer not null primary key auto_increment,
-	last_connected timestamp not null,
-	last_status_in integer not null,
-	last_status_out integer not null,
-	access_key varchar(250) not null unique,
-	access_url text not null) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_linked_feeds (
-	feed_url text not null,
-	title text not null,
-	created datetime not null,
-	updated datetime not null,
-	instance_id integer not null,
-	subscribers integer not null,
- 	foreign key (instance_id) references ttrss_linked_instances(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-drop table ttrss_scheduled_updates;
-
-update ttrss_version set schema_version = 84;
-
-commit;
diff --git a/sql/mysql/migrations/85.sql b/sql/mysql/migrations/85.sql
deleted file mode 100644
index 70cab0297..000000000
--- a/sql/mysql/migrations/85.sql
+++ /dev/null
@@ -1,13 +0,0 @@
-begin;
-
-alter table ttrss_feedbrowser_cache add column site_url text;
-update ttrss_feedbrowser_cache set site_url = '';
-alter table ttrss_feedbrowser_cache change site_url site_url text not null;
-
-alter table ttrss_linked_feeds add column site_url text;
-update ttrss_linked_feeds set site_url = '';
-alter table ttrss_linked_feeds change site_url site_url text not null;
-
-update ttrss_version set schema_version = 85;
-
-commit;
diff --git a/sql/mysql/migrations/86.sql b/sql/mysql/migrations/86.sql
deleted file mode 100644
index c8979b2af..000000000
--- a/sql/mysql/migrations/86.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-begin;
-
-alter table ttrss_user_entries add column uuid varchar(200);
-update ttrss_user_entries set uuid = '';
-alter table ttrss_user_entries change uuid uuid varchar(200) not null;
-
-update ttrss_version set schema_version = 86;
-
-commit;
diff --git a/sql/mysql/migrations/87.sql b/sql/mysql/migrations/87.sql
deleted file mode 100644
index 7ef4630d5..000000000
--- a/sql/mysql/migrations/87.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-begin;
-
-alter table ttrss_filters add column cat_filter bool;
-update ttrss_filters set cat_filter = false;
-alter table ttrss_filters change cat_filter cat_filter bool not null;
-alter table ttrss_filters alter column cat_filter set default false;
-
-alter table ttrss_filters add column cat_id integer;
-
-alter table ttrss_filters add FOREIGN KEY (cat_id) REFERENCES ttrss_feed_categories(id) ON DELETE CASCADE;
-
-update ttrss_version set schema_version = 87;
-
-commit;
diff --git a/sql/mysql/migrations/88.sql b/sql/mysql/migrations/88.sql
deleted file mode 100644
index 0abb2ab33..000000000
--- a/sql/mysql/migrations/88.sql
+++ /dev/null
@@ -1,10 +0,0 @@
-begin;
-
-alter table ttrss_users add column salt varchar(250);
-update ttrss_users set salt = '';
-alter table ttrss_users change salt salt varchar(250) not null;
-alter table ttrss_users alter column salt set default '';
-
-update ttrss_version set schema_version = 88;
-
-commit;
diff --git a/sql/mysql/migrations/89.sql b/sql/mysql/migrations/89.sql
deleted file mode 100644
index 9727a9c42..000000000
--- a/sql/mysql/migrations/89.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('DIGEST_PREFERRED_TIME', 2, '00:00', 'Try to send digests around specified time', 1, 'Uses UTC timezone');
-
-update ttrss_version set schema_version = 89;
-
-commit;
diff --git a/sql/mysql/migrations/9.sql b/sql/mysql/migrations/9.sql
deleted file mode 100644
index 546adc2d7..000000000
--- a/sql/mysql/migrations/9.sql
+++ /dev/null
@@ -1,29 +0,0 @@
-alter table ttrss_feeds add column hidden bool;
-update ttrss_feeds set hidden = false;
-alter table ttrss_feeds change hidden hidden bool not null;
-alter table ttrss_feeds alter column hidden set default false;
-
-alter table ttrss_users add column email_digest bool;
-update ttrss_users set email_digest = false;
-alter table ttrss_users change email_digest email_digest bool not null;
-alter table ttrss_users alter column email_digest set default false;
-
-alter table ttrss_users add column last_digest_sent datetime;
-update ttrss_users set last_digest_sent = false;
-alter table ttrss_users alter column last_digest_sent set default null;
-
-alter table ttrss_filters add column enabled bool;
-update ttrss_filters set enabled = true;
-alter table ttrss_filters change enabled enabled bool not null;
-alter table ttrss_filters alter column enabled set default true;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('MARK_UNREAD_ON_UPDATE', 1, 'false', 'Set articles as unread on update',3);
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('REVERSE_HEADLINES', 1, 'false', 'Reverse headline order (oldest first)',2);
-
-update ttrss_prefs SET section_id = 3 WHERE pref_name = 'ENABLE_SEARCH_TOOLBAR';
-update ttrss_prefs SET section_id = 3 WHERE pref_name = 'ENABLE_FEED_ICONS';
-update ttrss_prefs SET section_id = 3 WHERE pref_name = 'EXTENDED_FEEDLIST';
-
-update ttrss_version set schema_version = 9;
-
diff --git a/sql/mysql/migrations/90.sql b/sql/mysql/migrations/90.sql
deleted file mode 100644
index b7935535e..000000000
--- a/sql/mysql/migrations/90.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_PREFS_SHOW_EMPTY_CATS', 1, 'false', '', 1);
-
-update ttrss_version set schema_version = 90;
-
-commit;
diff --git a/sql/mysql/migrations/91.sql b/sql/mysql/migrations/91.sql
deleted file mode 100644
index 791d43063..000000000
--- a/sql/mysql/migrations/91.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-update ttrss_prefs set help_text = 'Automatically open next feed with unread articles after marking one as read' where pref_name = 'ON_CATCHUP_SHOW_NEXT_FEED';
-
-update ttrss_version set schema_version = 91;
-
-commit;
diff --git a/sql/mysql/migrations/92.sql b/sql/mysql/migrations/92.sql
deleted file mode 100644
index 8ebe81fe0..000000000
--- a/sql/mysql/migrations/92.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-begin;
-
-alter table ttrss_feeds add column favicon_last_checked datetime;
-alter table ttrss_feeds alter column favicon_last_checked set default null;
-
-update ttrss_version set schema_version = 92;
-
-commit;
diff --git a/sql/mysql/migrations/93.sql b/sql/mysql/migrations/93.sql
deleted file mode 100644
index 56b96e3b5..000000000
--- a/sql/mysql/migrations/93.sql
+++ /dev/null
@@ -1,10 +0,0 @@
-begin;
-
-alter table ttrss_feed_categories add column parent_cat integer;
-update ttrss_feed_categories set parent_cat = NULL;
-
-alter table ttrss_feed_categories add FOREIGN KEY (parent_cat) REFERENCES ttrss_feed_categories(id) ON DELETE SET NULL;
-
-update ttrss_version set schema_version = 93;
-
-commit;
diff --git a/sql/mysql/migrations/94.sql b/sql/mysql/migrations/94.sql
deleted file mode 100644
index 0f76c4c5f..000000000
--- a/sql/mysql/migrations/94.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_DEFAULT_INCLUDE_CHILDREN', 1, 'false', '', 1);
-
-update ttrss_version set schema_version = 94;
-
-commit;
diff --git a/sql/mysql/migrations/95.sql b/sql/mysql/migrations/95.sql
deleted file mode 100644
index 234acd495..000000000
--- a/sql/mysql/migrations/95.sql
+++ /dev/null
@@ -1,39 +0,0 @@
-begin;
-
-update ttrss_prefs set short_desc = 'Purge articles after this number of days (0 - disables)'
-where pref_name = 'PURGE_OLD_DAYS';
-
-update ttrss_prefs set section_id = 1 where pref_name = 'ENABLE_API_ACCESS';
-
-update ttrss_prefs set section_id = 2 where pref_name = 'CONFIRM_FEED_CATCHUP';
-update ttrss_prefs set section_id = 2 where pref_name = 'CDM_EXPANDED';
-update ttrss_prefs set section_id = 2 where pref_name = 'CDM_AUTO_CATCHUP';
-update ttrss_prefs set section_id = 2 where pref_name = 'SORT_HEADLINES_BY_FEED_DATE';
-update ttrss_prefs set section_id = 2 where pref_name = 'HIDE_READ_SHOWS_SPECIAL';
-
-insert into ttrss_prefs_sections (id, section_name) values (4, 'Digest');
-
-update ttrss_prefs set section_id = 4 where pref_name = 'DIGEST_ENABLE';
-update ttrss_prefs set section_id = 4 where pref_name = 'DIGEST_PREFERRED_TIME';
-update ttrss_prefs set section_id = 4 where pref_name = 'DIGEST_CATCHUP';
-
-alter table ttrss_prefs_sections add column order_id integer;
-update ttrss_prefs_sections set order_id = 0;
-alter table ttrss_prefs_sections change order_id order_id int not null;
-
-update ttrss_prefs_sections set order_id = 0 where id = 1;
-update ttrss_prefs_sections set order_id = 1 where id = 2;
-update ttrss_prefs_sections set order_id = 2 where id = 4;
-update ttrss_prefs_sections set order_id = 3 where id = 3;
-
-update ttrss_prefs set access_level = 1 where pref_name in ('ON_CATCHUP_SHOW_NEXT_FEED',
-	'SORT_HEADLINES_BY_FEED_DATE',
-	'VFEED_GROUP_BY_FEED',
-	'FRESH_ARTICLE_MAX_AGE',
-	'CDM_EXPANDED',
-	'SHOW_CONTENT_PREVIEW',
-	'HIDE_READ_SHOWS_SPECIAL');
-
-update ttrss_version set schema_version = 95;
-
-commit;
diff --git a/sql/mysql/migrations/96.sql b/sql/mysql/migrations/96.sql
deleted file mode 100644
index 4d4e2445c..000000000
--- a/sql/mysql/migrations/96.sql
+++ /dev/null
@@ -1,38 +0,0 @@
-begin;
-
-create table ttrss_filters2(id integer primary key auto_increment,
-	owner_uid integer not null,
-	match_any_rule boolean not null default false,
-	enabled boolean not null default true,
-	index(owner_uid),
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-	
-create table ttrss_filters2_rules(id integer primary key auto_increment,
-	filter_id integer not null references ttrss_filters2(id) on delete cascade,
-	reg_exp varchar(250) not null,
-	filter_type integer not null,
-	feed_id integer default null,
-	cat_id integer default null,
-	cat_filter boolean not null default false,
-	index (filter_id),
-	foreign key (filter_id) references ttrss_filters2(id) on delete cascade,
-	index (filter_type),
-	foreign key (filter_type) references ttrss_filter_types(id) ON DELETE CASCADE,
-	index (feed_id),
-	foreign key (feed_id) references ttrss_feeds(id) ON DELETE CASCADE,
-	index (cat_id),
-	foreign key (cat_id) references ttrss_feed_categories(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_filters2_actions(id integer primary key auto_increment,
-	filter_id integer not null,
-	action_id integer not null default 1 references ttrss_filter_actions(id) on delete cascade,
-	action_param varchar(250) not null default '',
-	index (filter_id),
-	foreign key (filter_id) references ttrss_filters2(id) on delete cascade,
-	index (action_id),
-	foreign key (action_id) references ttrss_filter_actions(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-update ttrss_version set schema_version = 96;
-
-commit;
-
diff --git a/sql/mysql/migrations/97.sql b/sql/mysql/migrations/97.sql
deleted file mode 100644
index c555b86dc..000000000
--- a/sql/mysql/migrations/97.sql
+++ /dev/null
@@ -1,10 +0,0 @@
-begin;
-
-alter table ttrss_users add column otp_enabled boolean;
-update ttrss_users set otp_enabled = false;
-alter table ttrss_users change otp_enabled otp_enabled boolean not null;
-alter table ttrss_users alter column otp_enabled set default false;
-
-update ttrss_version set schema_version = 97;
-
-commit;
diff --git a/sql/mysql/migrations/98.sql b/sql/mysql/migrations/98.sql
deleted file mode 100644
index 1984a4325..000000000
--- a/sql/mysql/migrations/98.sql
+++ /dev/null
@@ -1,7 +0,0 @@
-begin;
-
-insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,access_level) values('AUTO_ASSIGN_LABELS', 1, 'true', 'Assign articles to labels automatically', 3, 1);
-
-update ttrss_version set schema_version = 98;
-
-commit;
diff --git a/sql/mysql/migrations/99.sql b/sql/mysql/migrations/99.sql
deleted file mode 100644
index d7f9e0230..000000000
--- a/sql/mysql/migrations/99.sql
+++ /dev/null
@@ -1,12 +0,0 @@
-begin;
-
-alter table ttrss_feeds add column cache_content bool;
-update ttrss_feeds set cache_content = false;
-alter table ttrss_feeds change cache_content cache_content bool not null;
-alter table ttrss_feeds alter column cache_content set default false;
-
-alter table ttrss_entries add column cached_content longtext;
-
-update ttrss_version set schema_version = 99;
-
-commit;
diff --git a/sql/mysql/schema.sql b/sql/mysql/schema.sql
deleted file mode 100644
index ffabab669..000000000
--- a/sql/mysql/schema.sql
+++ /dev/null
@@ -1,422 +0,0 @@
-SET NAMES utf8;
-SET CHARACTER SET utf8;
-
-drop table if exists ttrss_error_log;
-drop table if exists ttrss_plugin_storage;
-drop table if exists ttrss_linked_feeds;
-drop table if exists ttrss_linked_instances;
-drop table if exists ttrss_access_keys;
-drop table if exists ttrss_user_labels2;
-drop table if exists ttrss_labels2;
-drop table if exists ttrss_feedbrowser_cache;
-drop table if exists ttrss_labels;
-drop table if exists ttrss_filters2_actions;
-drop table if exists ttrss_filters2_rules;
-drop table if exists ttrss_filters2;
-drop table if exists ttrss_filters;
-drop table if exists ttrss_filter_types;
-drop table if exists ttrss_filter_actions;
-drop table if exists ttrss_user_prefs;
-drop table if exists ttrss_user_prefs2;
-drop table if exists ttrss_prefs;
-drop table if exists ttrss_prefs_types;
-drop table if exists ttrss_prefs_sections;
-drop table if exists ttrss_tags;
-drop table if exists ttrss_enclosures;
-drop table if exists ttrss_settings_profiles;
-drop table if exists ttrss_entry_comments;
-drop table if exists ttrss_user_entries;
-drop table if exists ttrss_entries;
-drop table if exists ttrss_scheduled_updates;
-drop table if exists ttrss_counters_cache;
-drop table if exists ttrss_cat_counters_cache;
-drop table if exists ttrss_feeds;
-drop table if exists ttrss_archived_feeds;
-drop table if exists ttrss_feed_categories;
-drop table if exists ttrss_app_passwords;
-drop table if exists ttrss_users;
-drop table if exists ttrss_themes;
-drop table if exists ttrss_sessions;
-
-begin;
-
-create table ttrss_users (id integer primary key not null auto_increment,
-	login varchar(120) not null unique,
-	pwd_hash varchar(250) not null,
-	last_login datetime default null,
-	access_level integer not null default 0,
-	email varchar(250) not null default '',
-	full_name varchar(250) not null default '',
-	email_digest bool not null default false,
-	last_digest_sent datetime default null,
-	salt varchar(250) not null default '',
-	created datetime default null,
-	twitter_oauth longtext default null,
-	otp_enabled boolean not null default false,
-	otp_secret varchar(250) default null,
-	resetpass_token varchar(250) default null,
-	last_auth_attempt datetime default null) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-insert into ttrss_users (login,pwd_hash,access_level) values ('admin',
-	'SHA1:5baa61e4c9b93f3f0682250b6cf8331b7ee68fd8', 10);
-
-create table ttrss_app_passwords (id integer not null primary key auto_increment,
-    title varchar(250) not null,
-    pwd_hash text not null,
-    service varchar(100) not null,
-    created datetime not null,
-    last_used datetime default null,
-    owner_uid integer not null references ttrss_users(id) on delete cascade) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_feed_categories(id integer not null primary key auto_increment,
-	owner_uid integer not null,
-	title varchar(200) not null,
-	collapsed bool not null default false,
-	order_id integer not null default 0,
-	parent_cat integer,
-	view_settings varchar(250) not null default '',
-	foreign key (parent_cat) references ttrss_feed_categories(id) ON DELETE SET NULL,
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_archived_feeds (id integer not null primary key,
-	owner_uid integer not null,
-	created datetime not null,
-	title varchar(200) not null,
-	feed_url text not null,
-	site_url varchar(250) not null default '',
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_counters_cache (
-	feed_id integer not null,
-	owner_uid integer not null,
-	value integer not null default 0,
-	updated datetime not null,
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE
-) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create index ttrss_counters_cache_feed_id_idx on ttrss_counters_cache(feed_id);
-create index ttrss_counters_cache_value_idx on ttrss_counters_cache(value);
-
-create table ttrss_cat_counters_cache (
-	feed_id integer not null,
-	owner_uid integer not null,
-	value integer not null default 0,
-	updated datetime not null,
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE
-) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_feeds (id integer not null auto_increment primary key,
-	owner_uid integer not null,
-	title varchar(200) not null,
-	cat_id integer default null,
-	feed_url text not null,
-	icon_url varchar(250) not null default '',
-	update_interval integer not null default 0,
-	purge_interval integer not null default 0,
-	last_updated datetime default null,
-	last_unconditional datetime default null,
-	last_error varchar(250) not null default '',
-	last_modified varchar(250) not null default '',
-	favicon_avg_color varchar(11) default null,
-	favicon_is_custom boolean default null,
-	site_url varchar(250) not null default '',
-	auth_login varchar(250) not null default '',
-	auth_pass varchar(250) not null default '',
-	parent_feed integer default null,
-	private bool not null default false,
-	rtl_content bool not null default false,
-	hidden bool not null default false,
-	include_in_digest boolean not null default true,
-	cache_images boolean not null default false,
-	hide_images boolean not null default false,
-	cache_content boolean not null default false,
-	auth_pass_encrypted boolean not null default false,
-	last_viewed datetime default null,
-	last_update_started datetime default null,
-	last_successful_update datetime default null,
-	always_display_enclosures boolean not null default false,
-	update_method integer not null default 0,
-	order_id integer not null default 0,
-	mark_unread_on_update boolean not null default false,
-	update_on_checksum_change boolean not null default false,
-	strip_images boolean not null default false,
-	view_settings varchar(250) not null default '',
-	pubsub_state integer not null default 0,
-	favicon_last_checked datetime default null,
-	feed_language varchar(100) not null default '',
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE,
-	foreign key (cat_id) references ttrss_feed_categories(id) ON DELETE SET NULL,
-	foreign key (parent_feed) references ttrss_feeds(id) ON DELETE SET NULL,
-	unique(feed_url(255), owner_uid)) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_entries (id integer not null primary key auto_increment,
-	title text not null,
-	guid varchar(255) not null unique,
-	link text not null,
-	updated datetime not null,
-	content longtext not null,
-	content_hash varchar(250) not null,
-	cached_content longtext,
-	no_orig_date bool not null default 0,
-	date_entered datetime not null,
-	date_updated datetime not null,
-	num_comments integer not null default 0,
-	plugin_data longtext,
-	lang varchar(2),
-	comments varchar(250) not null default '',
-	author varchar(250) not null default '') ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create index ttrss_entries_date_entered_index on ttrss_entries(date_entered);
-create index ttrss_entries_updated_idx on ttrss_entries(updated);
-
-create fulltext index ttrss_entries_title_search_idx on ttrss_entries(title);
-create fulltext index ttrss_entries_combined_search_idx on ttrss_entries(title, content);
-
-create table ttrss_user_entries (
-	int_id integer not null primary key auto_increment,
-	ref_id integer not null,
-	uuid varchar(200) not null,
-	feed_id int,
-	orig_feed_id int,
-	owner_uid integer not null,
-	marked bool not null default 0,
-	published bool not null default 0,
-	tag_cache text not null,
-	label_cache text not null,
-	last_read datetime,
-	score int not null default 0,
-	note longtext,
-	last_marked datetime,
-	last_published datetime,
-	unread bool not null default 1,
-	foreign key (ref_id) references ttrss_entries(id) ON DELETE CASCADE,
-	foreign key (feed_id) references ttrss_feeds(id) ON DELETE CASCADE,
-	foreign key (orig_feed_id) references ttrss_archived_feeds(id) ON DELETE SET NULL,
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create index ttrss_user_entries_unread_idx on ttrss_user_entries(unread);
-
-create table ttrss_entry_comments (id integer not null primary key,
-	ref_id integer not null,
-	owner_uid integer not null,
-	private bool not null default 0,
-	date_entered datetime not null,
-	index (ref_id),
-	foreign key (ref_id) references ttrss_entries(id) ON DELETE CASCADE,
-	index (owner_uid),
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_filter_types (id integer primary key,
-	name varchar(120) unique not null,
-	description varchar(250) not null unique) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-insert into ttrss_filter_types (id,name,description) values (1, 'title', 'Title');
-insert into ttrss_filter_types (id,name,description) values (2, 'content', 'Content');
-insert into ttrss_filter_types (id,name,description) values (3, 'both',
-	'Title or Content');
-insert into ttrss_filter_types (id,name,description) values (4, 'link',
-	'Link');
-insert into ttrss_filter_types (id,name,description) values (5, 'date',
-	'Article Date');
-insert into ttrss_filter_types (id,name,description) values (6, 'author', 'Author');
-insert into ttrss_filter_types (id,name,description) values (7, 'tag', 'Article Tags');
-
-create table ttrss_filter_actions (id integer not null primary key,
-	name varchar(120) unique not null,
-	description varchar(250) not null unique) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-insert into ttrss_filter_actions (id,name,description) values (1, 'filter',
-	'Delete article');
-
-insert into ttrss_filter_actions (id,name,description) values (2, 'catchup',
-	'Mark as read');
-
-insert into ttrss_filter_actions (id,name,description) values (3, 'mark',
-	'Set starred');
-
-insert into ttrss_filter_actions (id,name,description) values (4, 'tag',
-	'Assign tags');
-
-insert into ttrss_filter_actions (id,name,description) values (5, 'publish',
-	'Publish article');
-
-insert into ttrss_filter_actions (id,name,description) values (6, 'score',
-	'Modify score');
-
-insert into ttrss_filter_actions (id,name,description) values (7, 'label',
-	'Assign label');
-
-insert into ttrss_filter_actions (id,name,description) values (8, 'stop',
-	'Stop / Do nothing');
-
-insert into ttrss_filter_actions (id,name,description) values (9, 'plugin',
-	'Invoke plugin');
-
-insert into ttrss_filter_actions (id,name,description) values (10, 'ignore-tag',
-	'Ignore tags');
-
-create table ttrss_filters2(id integer primary key auto_increment,
-	owner_uid integer not null,
-	match_any_rule boolean not null default false,
-	enabled boolean not null default true,
-	inverse bool not null default false,
-	title varchar(250) not null default '',
-	order_id integer not null default 0,
-	last_triggered datetime default null,
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_filters2_rules(id integer primary key auto_increment,
-	filter_id integer not null references ttrss_filters2(id) on delete cascade,
-	reg_exp text not null,
-	inverse bool not null default false,
-	filter_type integer not null,
-	feed_id integer default null,
-	cat_id integer default null,
-	cat_filter boolean not null default false,
-	match_on text,
-	index (filter_id),
-	foreign key (filter_id) references ttrss_filters2(id) on delete cascade,
-	index (filter_type),
-	foreign key (filter_type) references ttrss_filter_types(id) ON DELETE CASCADE,
-	index (feed_id),
-	foreign key (feed_id) references ttrss_feeds(id) ON DELETE CASCADE,
-	index (cat_id),
-	foreign key (cat_id) references ttrss_feed_categories(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_filters2_actions(id integer primary key auto_increment,
-	filter_id integer not null,
-	action_id integer not null default 1 references ttrss_filter_actions(id) on delete cascade,
-	action_param varchar(250) not null default '',
-	index (filter_id),
-	foreign key (filter_id) references ttrss_filters2(id) on delete cascade,
-	index (action_id),
-	foreign key (action_id) references ttrss_filter_actions(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_tags (id integer primary key auto_increment,
-	owner_uid integer not null,
-	tag_name varchar(250) not null,
-	post_int_id integer not null,
-	index (post_int_id),
-	foreign key (post_int_id) references ttrss_user_entries(int_id) ON DELETE CASCADE,
-	index (owner_uid),
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_enclosures (id integer primary key auto_increment,
-	content_url text not null,
-	content_type varchar(250) not null,
-	post_id integer not null,
-	title text not null,
-	duration text not null,
-	width integer not null default 0,
-	height integer not null default 0,
-	foreign key (post_id) references ttrss_entries(id) ON DELETE cascade) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_settings_profiles(id integer primary key auto_increment,
-	title varchar(250) not null,
-	owner_uid integer not null,
-	index (owner_uid),
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_prefs_types (id integer not null primary key,
-	type_name varchar(100) not null) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_prefs_sections (id integer not null primary key,
-	order_id integer not null) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_prefs (pref_name varchar(250) not null primary key,
-	type_id integer not null,
-	section_id integer not null default 1,
-	access_level integer not null default 0,
-	def_value text not null,
-	foreign key (type_id) references ttrss_prefs_types(id),
-	foreign key (section_id) references ttrss_prefs_sections(id)) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_user_prefs (
-   owner_uid integer not null,
-   pref_name varchar(250),
-   value longtext not null,
-	profile integer,
-	index (profile),
-  	foreign key (profile) references ttrss_settings_profiles(id) ON DELETE CASCADE,
- 	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE,
-	foreign key (pref_name) references ttrss_prefs(pref_name) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_user_prefs2 (
-	owner_uid integer not null,
-	pref_name varchar(250),
-	profile integer null,
-	value longtext not null,
-	foreign key (profile) references ttrss_settings_profiles(id) ON DELETE CASCADE,
- 	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_sessions (id varchar(250) not null primary key,
-	data text,
-	expire integer not null,
-	index (expire)) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_feedbrowser_cache (
-	feed_url text not null,
-	site_url text not null,
-	title text not null,
-	subscribers integer not null) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_labels2 (id integer not null primary key auto_increment,
-	owner_uid integer not null,
-	caption varchar(250) not null,
-	fg_color varchar(15) not null default '',
-	bg_color varchar(15) not null default '',
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE
-) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_user_labels2 (label_id integer not null,
-	article_id integer not null,
-	foreign key (label_id) references ttrss_labels2(id) ON DELETE CASCADE,
-	foreign key (article_id) references ttrss_entries(id) ON DELETE CASCADE
-) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create index ttrss_user_labels2_article_id_idx on ttrss_user_labels2(article_id);
-create index ttrss_user_labels2_label_id_idx on ttrss_user_labels2(label_id);
-
-create table ttrss_access_keys (id integer not null primary key auto_increment,
-	access_key varchar(250) not null,
-	feed_id varchar(250) not null,
-	is_cat bool not null default false,
-	owner_uid integer not null,
-  	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_linked_instances (id integer not null primary key auto_increment,
-	last_connected datetime not null,
-	last_status_in integer not null,
-	last_status_out integer not null,
-	access_key varchar(250) not null unique,
-	access_url text not null) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_linked_feeds (
-	feed_url text not null,
-	site_url text not null,
-	title text not null,
-	created datetime not null,
-	updated datetime not null,
-	instance_id integer not null,
-	subscribers integer not null,
- 	foreign key (instance_id) references ttrss_linked_instances(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_plugin_storage (
-	id integer not null auto_increment primary key,
-	name varchar(100) not null,
-	owner_uid integer not null,
-	content longtext not null,
-  	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-create table ttrss_error_log(
-	id integer not null auto_increment primary key,
-	owner_uid integer,
-	errno integer not null,
-	errstr text not null,
-	filename text not null,
-	lineno integer not null,
-	context text not null,
-	created_at datetime not null,
-	foreign key (owner_uid) references ttrss_users(id) ON DELETE SET NULL) ENGINE=InnoDB DEFAULT CHARSET=UTF8;
-
-commit;