Merge remote-tracking branch 'origin/sql_hash_lastUpdate' into dev

8 files changed, 231 insertions, 101 deletions

diff --git a/app/Controllers/feedController.php b/app/Controllers/feedController.php
index 6f544d834..08a0257a2 100755
--- a/app/Controllers/feedController.php
+++ b/app/Controllers/feedController.php
@@ -145,7 +145,7 @@ class FreshRSS_feed_Controller extends Minz_ActionController {
 			// Call the extension hook
 			$name = $feed->name();
 			$feed = Minz_ExtensionManager::callHook('feed_before_insert', $feed);
-			if (is_null($feed)) {
+			if ($feed === null) {
 				Minz_Request::bad(_t('feed_not_added', $name), $url_redirect);
 			}
 
@@ -181,7 +181,6 @@ class FreshRSS_feed_Controller extends Minz_ActionController {
 
 			// Use a shared statement and a transaction to improve a LOT the
 			// performances.
-			$prepared_statement = $entryDAO->addEntryPrepare();
 			$feedDAO->beginTransaction();
 			foreach ($entries as $entry) {
 				// Entries are added without any verification.
@@ -190,13 +189,13 @@ class FreshRSS_feed_Controller extends Minz_ActionController {
 				$entry->_isRead($is_read);
 
 				$entry = Minz_ExtensionManager::callHook('entry_before_insert', $entry);
-				if (is_null($entry)) {
+				if ($entry === null) {
 					// An extension has returned a null value, there is nothing to insert.
 					continue;
 				}
 
 				$values = $entry->toArray();
-				$entryDAO->addEntry($values, $prepared_statement);
+				$entryDAO->addEntry($values);
 			}
 			$feedDAO->updateLastUpdate($feed->id());
 			$feedDAO->commit();
@@ -307,7 +306,7 @@ class FreshRSS_feed_Controller extends Minz_ActionController {
 				$feed->load(false);
 			} catch (FreshRSS_Feed_Exception $e) {
 				Minz_Log::notice($e->getMessage());
-				$feedDAO->updateLastUpdate($feed->id(), 1);
+				$feedDAO->updateLastUpdate($feed->id(), true);
 				$feed->unlock();
 				continue;
 			}
@@ -323,50 +322,69 @@ class FreshRSS_feed_Controller extends Minz_ActionController {
 			// We want chronological order and SimplePie uses reverse order.
 			$entries = array_reverse($feed->entries());
 			if (count($entries) > 0) {
-				// For this feed, check last n entry GUIDs already in database.
-				$existing_guids = array_fill_keys($entryDAO->listLastGuidsByFeed(
-					$feed->id(), count($entries) + 10
-				), 1);
-				$use_declared_date = empty($existing_guids);
+				$newGuids = array();
+				foreach ($entries as $entry) {
+					$newGuids[] = $entry->guid();
+				}
+				// For this feed, check existing GUIDs already in database.
+				$existingHashForGuids = $entryDAO->listHashForFeedGuids($feed->id(), $newGuids);
+				unset($newGuids);
+				$use_declared_date = empty($existingHashForGuids);
 
+				$oldGuids = array();
 				// Add entries in database if possible.
-				$prepared_statement = $entryDAO->addEntryPrepare();
-				$feedDAO->beginTransaction();
 				foreach ($entries as $entry) {
 					$entry_date = $entry->date(true);
-					if (isset($existing_guids[$entry->guid()]) ||
-							($feed_history == 0 && $entry_date < $date_min)) {
-						// This entry already exists in DB or should not be added
-						// considering configuration and date.
-						continue;
-					}
-
-					$id = uTimeString();
-					if ($use_declared_date || $entry_date < $date_min) {
-						// Use declared date at first import.
-						$id = min(time(), $entry_date) . uSecString();
+					if (isset($existingHashForGuids[$entry->guid()])) {
+						$existingHash = $existingHashForGuids[$entry->guid()];
+						if (strcasecmp($existingHash, $entry->hash()) === 0 || $existingHash === '00000000000000000000000000000000') {
+							//This entry already exists and is unchanged. TODO: Remove the test with the zero'ed hash in FreshRSS v1.3
+							$oldGuids[] = $entry->guid();
+						} else {	//This entry already exists but has been updated
+							Minz_Log::debug('Entry with GUID `' . $entry->guid() . '` updated in feed ' . $feed->id() .
+								', old hash ' . $existingHash . ', new hash ' . $entry->hash());
+							$entry->_isRead($is_read);	//Reset is_read
+							if (!$entryDAO->hasTransaction()) {
+								$entryDAO->beginTransaction();
+							}
+							$entryDAO->updateEntry($entry->toArray());
+						}
+					} elseif ($feed_history == 0 && $entry_date < $date_min) {
+						// This entry should not be added considering configuration and date.
+						$oldGuids[] = $entry->guid();
+					} else {
+						$id = uTimeString();
+						if ($use_declared_date || $entry_date < $date_min) {
+							// Use declared date at first import.
+							$id = min(time(), $entry_date) . uSecString();
+						}
+
+						$entry->_id($id);
+						$entry->_isRead($is_read);
+
+						$entry = Minz_ExtensionManager::callHook('entry_before_insert', $entry);
+						if ($entry === null) {
+							// An extension has returned a null value, there is nothing to insert.
+							continue;
+						}
+
+						if (!$entryDAO->hasTransaction()) {
+							$entryDAO->beginTransaction();
+						}
+						$entryDAO->addEntry($entry->toArray());
 					}
-
-					$entry->_id($id);
-					$entry->_isRead($is_read);
-
-					$entry = Minz_ExtensionManager::callHook('entry_before_insert', $entry);
-					if (is_null($entry)) {
-						// An extension has returned a null value, there is nothing to insert.
-						continue;
-					}
-
-					$values = $entry->toArray();
-					$entryDAO->addEntry($values, $prepared_statement);
 				}
+				$entryDAO->updateLastSeen($feed->id(), $oldGuids);
 			}
+			//TODO: updateLastSeen old GUIDS once in a while, in the case of caching (i.e. the whole feed content has not changed)
 
 			if ($feed_history >= 0 && rand(0, 30) === 1) {
 				// TODO: move this function in web cron when available (see entry::purge)
 				// Remove old entries once in 30.
-				if (!$feedDAO->hasTransaction()) {
-					$feedDAO->beginTransaction();
+				if (!$entryDAO->hasTransaction()) {
+					$entryDAO->beginTransaction();
 				}
+				//TODO: more robust system based on entry.lastSeen to avoid cleaning entries that are still published in the RSS feed.
 
 				$nb = $feedDAO->cleanOldEntries($feed->id(),
 				                                $date_min,
@@ -377,9 +395,9 @@ class FreshRSS_feed_Controller extends Minz_ActionController {
 				}
 			}
 
-			$feedDAO->updateLastUpdate($feed->id(), 0, $feedDAO->hasTransaction());
-			if ($feedDAO->hasTransaction()) {
-				$feedDAO->commit();
+			$feedDAO->updateLastUpdate($feed->id(), 0, $entryDAO->hasTransaction());
+			if ($entryDAO->hasTransaction()) {
+				$entryDAO->commit();
 			}
 
 			if ($feed->url() !== $url) {
diff --git a/app/Controllers/importExportController.php b/app/Controllers/importExportController.php
index 589777b2a..26b163e43 100644
--- a/app/Controllers/importExportController.php
+++ b/app/Controllers/importExportController.php
@@ -361,7 +361,6 @@ class FreshRSS_importExport_Controller extends Minz_ActionController {
 		}
 
 		// Then, articles are imported.
-		$prepared_statement = $this->entryDAO->addEntryPrepare();
 		$this->entryDAO->beginTransaction();
 		foreach ($article_object['items'] as $item) {
 			if (!isset($article_to_feed[$item['id']])) {
@@ -396,7 +395,7 @@ class FreshRSS_importExport_Controller extends Minz_ActionController {
 			}
 
 			$values = $entry->toArray();
-			$id = $this->entryDAO->addEntry($values, $prepared_statement);
+			$id = $this->entryDAO->addEntry($values);
 
 			if (!$error && ($id === false)) {
 				$error = true;
diff --git a/app/Models/Entry.php b/app/Models/Entry.php
index 346c98a92..6931c9f25 100644
--- a/app/Models/Entry.php
+++ b/app/Models/Entry.php
@@ -14,6 +14,7 @@ class FreshRSS_Entry extends Minz_Model {
 	private $content;
 	private $link;
 	private $date;
+	private $hash = null;
 	private $is_read;
 	private $is_favorite;
 	private $feed;
@@ -88,6 +89,14 @@ class FreshRSS_Entry extends Minz_Model {
 		}
 	}
 
+	public function hash() {
+		if ($this->hash === null) {
+			//Do not include $this->date because it may be automatically generated when lacking
+			$this->hash = md5($this->link . $this->title . $this->author . $this->content . $this->tags(true));
+		}
+		return $this->hash;
+	}
+
 	public function _id($value) {
 		$this->id = $value;
 	}
@@ -95,18 +104,23 @@ class FreshRSS_Entry extends Minz_Model {
 		$this->guid = $value;
 	}
 	public function _title($value) {
+		$this->hash = null;
 		$this->title = $value;
 	}
 	public function _author($value) {
+		$this->hash = null;
 		$this->author = $value;
 	}
 	public function _content($value) {
+		$this->hash = null;
 		$this->content = $value;
 	}
 	public function _link($value) {
+		$this->hash = null;
 		$this->link = $value;
 	}
 	public function _date($value) {
+		$this->hash = null;
 		$value = intval($value);
 		$this->date = $value > 1 ? $value : time();
 	}
@@ -120,6 +134,7 @@ class FreshRSS_Entry extends Minz_Model {
 		$this->feed = $value;
 	}
 	public function _tags($value) {
+		$this->hash = null;
 		if (!is_array($value)) {
 			$value = array($value);
 		}
@@ -182,6 +197,7 @@ class FreshRSS_Entry extends Minz_Model {
 			'content' => $this->content(),
 			'link' => $this->link(),
 			'date' => $this->date(true),
+			'hash' => $this->hash(),
 			'is_read' => $this->isRead(),
 			'is_favorite' => $this->isFavorite(),
 			'id_feed' => $this->feed(),
diff --git a/app/Models/EntryDAO.php b/app/Models/EntryDAO.php
index 9736d5cd3..5b4b85547 100644
--- a/app/Models/EntryDAO.php
+++ b/app/Models/EntryDAO.php
@@ -6,20 +6,57 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
 		return parent::$sharedDbType !== 'sqlite';
 	}
 
-	public function addEntryPrepare() {
-		$sql = 'INSERT INTO `' . $this->prefix . 'entry`(id, guid, title, author, '
-		     . ($this->isCompressed() ? 'content_bin' : 'content')
-		     . ', link, date, is_read, is_favorite, id_feed, tags) '
-		     . 'VALUES(?, ?, ?, ?, '
-		     . ($this->isCompressed() ? 'COMPRESS(?)' : '?')
-		     . ', ?, ?, ?, ?, ?, ?)';
-		return $this->bd->prepare($sql);
+	protected function autoAddColumn($errorInfo) {
+		if (isset($errorInfo[0])) {
+			if ($errorInfo[0] == '42S22') {	//ER_BAD_FIELD_ERROR
+				$hasTransaction = false;
+				try {
+					$stm = null;
+					if (stripos($errorInfo[2], 'lastSeen') !== false) {	//v1.2
+						if (!$this->bd->inTransaction()) {
+							$this->bd->beginTransaction();
+							$hasTransaction = true;
+						}
+						$stm = $this->bd->prepare('ALTER TABLE `' . $this->prefix . 'entry` ADD COLUMN lastSeen INT(11) NOT NULL');
+						if ($stm && $stm->execute()) {
+							$stm = $this->bd->prepare('CREATE INDEX entry_lastSeen_index ON `' . $this->prefix . 'entry`(`lastSeen`);');	//"IF NOT EXISTS" does not exist in MySQL 5.7
+							if ($stm && $stm->execute()) {
+								if ($hasTransaction) {
+									$this->bd->commit();
+								}
+								return true;
+							}
+						}
+						if ($hasTransaction) {
+							$this->bd->rollBack();
+						}
+					} elseif (stripos($errorInfo[2], 'hash') !== false) {	//v1.2
+						$stm = $this->bd->prepare('ALTER TABLE `' . $this->prefix . 'entry` ADD COLUMN hash BINARY(16) NOT NULL');
+						return $stm && $stm->execute();
+					}
+				} catch (Exception $e) {
+					Minz_Log::debug('FreshRSS_EntryDAO::autoAddColumn error: ' . $e->getMessage());
+					if ($hasTransaction) {
+						$this->bd->rollBack();
+					}
+				}
+			}
+		}
+		return false;
 	}
 
-	public function addEntry($valuesTmp, $preparedStatement = null) {
-		$stm = $preparedStatement === null ?
-				FreshRSS_EntryDAO::addEntryPrepare() :
-				$preparedStatement;
+	private $addEntryPrepared = null;
+
+	public function addEntry($valuesTmp) {
+		if ($this->addEntryPrepared === null) {
+			$sql = 'INSERT INTO `' . $this->prefix . 'entry` (id, guid, title, author, '
+			     . ($this->isCompressed() ? 'content_bin' : 'content')
+			     . ', link, date, lastSeen, hash, is_read, is_favorite, id_feed, tags) '
+			     . 'VALUES(?, ?, ?, ?, '
+			     . ($this->isCompressed() ? 'COMPRESS(?)' : '?')
+			     . ', ?, ?, ?, X?, ?, ?, ?, ?)';
+			$this->addEntryPrepared = $this->bd->prepare($sql);
+		}
 
 		$values = array(
 			$valuesTmp['id'],
@@ -29,55 +66,65 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
 			$valuesTmp['content'],
 			substr($valuesTmp['link'], 0, 1023),
 			$valuesTmp['date'],
+			time(),
+			$valuesTmp['hash'],
 			$valuesTmp['is_read'] ? 1 : 0,
 			$valuesTmp['is_favorite'] ? 1 : 0,
 			$valuesTmp['id_feed'],
 			substr($valuesTmp['tags'], 0, 1023),
 		);
 
-		if ($stm && $stm->execute($values)) {
+		if ($this->addEntryPrepared && $this->addEntryPrepared->execute($values)) {
 			return $this->bd->lastInsertId();
 		} else {
-			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			if ((int)($info[0] / 1000) !== 23) {	//Filter out "SQLSTATE Class code 23: Constraint Violation" because of expected duplicate entries
+			$info = $this->addEntryPrepared == null ? array(2 => 'syntax error') : $this->addEntryPrepared->errorInfo();
+			if ($this->autoAddColumn($info)) {
+				return $this->addEntry($valuesTmp);
+			} elseif ((int)($info[0] / 1000) !== 23) {	//Filter out "SQLSTATE Class code 23: Constraint Violation" because of expected duplicate entries
 				Minz_Log::error('SQL error addEntry: ' . $info[0] . ': ' . $info[1] . ' ' . $info[2]
 				. ' while adding entry in feed ' . $valuesTmp['id_feed'] . ' with title: ' . $valuesTmp['title']);
-			} /*else {
-				Minz_Log::debug('SQL error ' . $info[0] . ': ' . $info[1] . ' ' . $info[2]
-				. ' while adding entry in feed ' . $valuesTmp['id_feed'] . ' with title: ' . $valuesTmp['title']);
-			}*/
+			}
 			return false;
 		}
 	}
 
-	public function addEntryObject($entry, $conf, $feedHistory) {
-		$existingGuids = array_fill_keys(
-			$this->listLastGuidsByFeed($entry->feed(), 20), 1
-		);
-
-		$nb_month_old = max($conf->old_entries, 1);
-		$date_min = time() - (3600 * 24 * 30 * $nb_month_old);
+	private $updateEntryPrepared = null;
 
-		$eDate = $entry->date(true);
-
-		if ($feedHistory == -2) {
-			$feedHistory = $conf->keep_history_default;
+	public function updateEntry($valuesTmp) {
+		if ($this->updateEntryPrepared === null) {
+			$sql = 'UPDATE `' . $this->prefix . 'entry` '
+			     . 'SET title=?, author=?, '
+			     . ($this->isCompressed() ? 'content_bin=COMPRESS(?)' : 'content=?')
+			     . ', link=?, date=?, lastSeen=?, hash=X?, is_read=?, tags=? '
+			     . 'WHERE id_feed=? AND guid=?';
+			$this->updateEntryPrepared = $this->bd->prepare($sql);
 		}
 
-		if (!isset($existingGuids[$entry->guid()]) &&
-				($feedHistory != 0 || $eDate >= $date_min || $entry->isFavorite())) {
-			$values = $entry->toArray();
-
-			$useDeclaredDate = empty($existingGuids);
-			$values['id'] = ($useDeclaredDate || $eDate < $date_min) ?
-				min(time(), $eDate) . uSecString() :
-				uTimeString();
+		$values = array(
+			substr($valuesTmp['title'], 0, 255),
+			substr($valuesTmp['author'], 0, 255),
+			$valuesTmp['content'],
+			substr($valuesTmp['link'], 0, 1023),
+			$valuesTmp['date'],
+			time(),
+			$valuesTmp['hash'],
+			$valuesTmp['is_read'] ? 1 : 0,
+			substr($valuesTmp['tags'], 0, 1023),
+			$valuesTmp['id_feed'],
+			substr($valuesTmp['guid'], 0, 760),
+		);
 
-			return $this->addEntry($values);
+		if ($this->updateEntryPrepared && $this->updateEntryPrepared->execute($values)) {
+			return $this->bd->lastInsertId();
+		} else {
+			$info = $this->updateEntryPrepared == null ? array(2 => 'syntax error') : $this->updateEntryPrepared->errorInfo();
+			if ($this->autoAddColumn($info)) {
+				return $this->updateEntry($valuesTmp);
+			}
+			Minz_Log::error('SQL error updateEntry: ' . $info[0] . ': ' . $info[1] . ' ' . $info[2]
+				. ' while updating entry with GUID ' . $valuesTmp['guid'] . ' in feed ' . $valuesTmp['id_feed']);
+			return false;
 		}
-
-		// We don't return Entry object to avoid a research in DB
-		return -1;
 	}
 
 	/**
@@ -94,6 +141,9 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
 		if (!is_array($ids)) {
 			$ids = array($ids);
 		}
+		if (count($ids) < 1) {
+			return 0;
+		}
 		$sql = 'UPDATE `' . $this->prefix . 'entry` '
 		     . 'SET is_favorite=? '
 		     . 'WHERE id IN (' . str_repeat('?,', count($ids) - 1). '?)';
@@ -296,11 +346,11 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
 	 *
 	 * If $idMax equals 0, a deprecated debug message is logged
 	 *
-	 * @param integer $id feed ID
+	 * @param integer $id_feed feed ID
 	 * @param integer $idMax fail safe article ID
 	 * @return integer affected rows
 	 */
-	public function markReadFeed($id, $idMax = 0) {
+	public function markReadFeed($id_feed, $idMax = 0) {
 		if ($idMax == 0) {
 			$idMax = time() . '000000';
 			Minz_Log::debug('Calling markReadFeed(0) is deprecated!');
@@ -310,7 +360,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
 		$sql = 'UPDATE `' . $this->prefix . 'entry` '
 			 . 'SET is_read=1 '
 			 . 'WHERE id_feed=? AND is_read=0 AND id <= ?';
-		$values = array($id, $idMax);
+		$values = array($id_feed, $idMax);
 		$stm = $this->bd->prepare($sql);
 		if (!($stm && $stm->execute($values))) {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
@@ -324,7 +374,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
 			$sql = 'UPDATE `' . $this->prefix . 'feed` '
 				 . 'SET cache_nbUnreads=cache_nbUnreads-' . $affected
 				 . ' WHERE id=?';
-			$values = array($id);
+			$values = array($id_feed);
 			$stm = $this->bd->prepare($sql);
 			if (!($stm && $stm->execute($values))) {
 				$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
@@ -338,7 +388,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
 		return $affected;
 	}
 
-	public function searchByGuid($feed_id, $id) {
+	public function searchByGuid($id_feed, $guid) {
 		// un guid est unique pour un flux donné
 		$sql = 'SELECT id, guid, title, author, '
 		     . ($this->isCompressed() ? 'UNCOMPRESS(content_bin) AS content' : 'content')
@@ -347,8 +397,8 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
 		$stm = $this->bd->prepare($sql);
 
 		$values = array(
-			$feed_id,
-			$id
+			$id_feed,
+			$guid,
 		);
 
 		$stm->execute($values);
@@ -519,12 +569,52 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
 		return $stm->fetchAll(PDO::FETCH_COLUMN, 0);
 	}
 
-	public function listLastGuidsByFeed($id, $n) {
-		$sql = 'SELECT guid FROM `' . $this->prefix . 'entry` WHERE id_feed=? ORDER BY id DESC LIMIT ' . intval($n);
+	public function listHashForFeedGuids($id_feed, $guids) {
+		if (count($guids) < 1) {
+			return array();
+		}
+		$sql = 'SELECT guid, hex(hash) AS hexHash FROM `' . $this->prefix . 'entry` WHERE id_feed=? AND guid IN (' . str_repeat('?,', count($guids) - 1). '?)';
 		$stm = $this->bd->prepare($sql);
-		$values = array($id);
-		$stm->execute($values);
-		return $stm->fetchAll(PDO::FETCH_COLUMN, 0);
+		$values = array($id_feed);
+		$values = array_merge($values, $guids);
+		if ($stm && $stm->execute($values)) {
+			$result = array();
+			$rows = $stm->fetchAll(PDO::FETCH_ASSOC);
+			foreach ($rows as $row) {
+				$result[$row['guid']] = $row['hexHash'];
+			}
+			return $result;
+		} else {
+			
+			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
+			if ($this->autoAddColumn($info)) {
+				return $this->listHashForFeedGuids($id_feed, $guids);
+			}
+			Minz_Log::error('SQL error listHashForFeedGuids: ' . $info[0] . ': ' . $info[1] . ' ' . $info[2]
+				. ' while querying feed ' . $id_feed);
+			return false;
+		}
+	}
+
+	public function updateLastSeen($id_feed, $guids) {
+		if (count($guids) < 1) {
+			return 0;
+		}
+		$sql = 'UPDATE `' . $this->prefix . 'entry` SET lastSeen=? WHERE id_feed=? AND guid IN (' . str_repeat('?,', count($guids) - 1). '?)';
+		$stm = $this->bd->prepare($sql);
+		$values = array(time(), $id_feed);
+		$values = array_merge($values, $guids);
+		if ($stm && $stm->execute($values)) {
+			return $stm->rowCount();
+		} else {
+			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
+			if ($this->autoAddColumn($info)) {
+				return $this->updateLastSeen($id_feed, $guids);
+			}
+			Minz_Log::error('SQL error updateLastSeen: ' . $info[0] . ': ' . $info[1] . ' ' . $info[2]
+				. ' while updating feed ' . $id_feed);
+			return false;
+		}
 	}
 
 	public function countUnreadRead() {
diff --git a/app/Models/Feed.php b/app/Models/Feed.php
index 15cbb7d0a..8b9d1e3c3 100644
--- a/app/Models/Feed.php
+++ b/app/Models/Feed.php
@@ -255,6 +255,7 @@ class FreshRSS_Feed extends Minz_Model {
 
 				$feed->__destruct();	//http://simplepie.org/wiki/faq/i_m_getting_memory_leaks
 				unset($feed);
+				//TODO: Return a different information in case of cache/no-cache, and give access to the GUIDs in case of cache
 			}
 		}
 	}
diff --git a/app/SQL/install.sql.mysql.php b/app/SQL/install.sql.mysql.php
index cf0159199..afdd821b2 100644
--- a/app/SQL/install.sql.mysql.php
+++ b/app/SQL/install.sql.mysql.php
@@ -15,7 +15,7 @@ CREATE TABLE IF NOT EXISTS `%1$sfeed` (
 	`name` varchar(255) NOT NULL,
 	`website` varchar(255) CHARACTER SET latin1,
 	`description` text,
-	`lastUpdate` int(11) DEFAULT 0,
+	`lastUpdate` int(11) DEFAULT 0,	-- Until year 2038
 	`priority` tinyint(2) NOT NULL DEFAULT 10,
 	`pathEntries` varchar(511) DEFAULT NULL,
 	`httpAuth` varchar(511) DEFAULT NULL,
@@ -40,7 +40,9 @@ CREATE TABLE IF NOT EXISTS `%1$sentry` (
 	`author` varchar(255),
 	`content_bin` blob,	-- v0.7
 	`link` varchar(1023) CHARACTER SET latin1 NOT NULL,
-	`date` int(11),
+	`date` int(11),	-- Until year 2038
+	`lastSeen` INT(11) NOT NULL,	-- v1.2, Until year 2038
+	`hash` BINARY(16),	-- v1.2
 	`is_read` boolean NOT NULL DEFAULT 0,
 	`is_favorite` boolean NOT NULL DEFAULT 0,
 	`id_feed` SMALLINT,	-- v0.7
@@ -50,6 +52,7 @@ CREATE TABLE IF NOT EXISTS `%1$sentry` (
 	UNIQUE KEY (`id_feed`,`guid`),	-- v0.7
 	INDEX (`is_favorite`),	-- v0.7
 	INDEX (`is_read`)	-- v0.7
+	INDEX entry_lastSeen_index (`lastSeen`)	-- v1.2
 ) DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci
 ENGINE = INNODB;
 
diff --git a/app/SQL/install.sql.sqlite.php b/app/SQL/install.sql.sqlite.php
index 30bca2810..7517ead45 100644
--- a/app/SQL/install.sql.sqlite.php
+++ b/app/SQL/install.sql.sqlite.php
@@ -14,7 +14,7 @@ $SQL_CREATE_TABLES = array(
 	`name` varchar(255) NOT NULL,
 	`website` varchar(255),
 	`description` text,
-	`lastUpdate` int(11) DEFAULT 0,
+	`lastUpdate` int(11) DEFAULT 0,	-- Until year 2038
 	`priority` tinyint(2) NOT NULL DEFAULT 10,
 	`pathEntries` varchar(511) DEFAULT NULL,
 	`httpAuth` varchar(511) DEFAULT NULL,
@@ -38,7 +38,9 @@ $SQL_CREATE_TABLES = array(
 	`author` varchar(255),
 	`content` text,
 	`link` varchar(1023) NOT NULL,
-	`date` int(11),
+	`date` int(11),	-- Until year 2038
+	`lastSeen` INT(11) NOT NULL,	-- v1.2, Until year 2038
+	`hash` BINARY(16),	-- v1.2
 	`is_read` boolean NOT NULL DEFAULT 0,
 	`is_favorite` boolean NOT NULL DEFAULT 0,
 	`id_feed` SMALLINT,
@@ -50,6 +52,7 @@ $SQL_CREATE_TABLES = array(
 
 'CREATE INDEX IF NOT EXISTS entry_is_favorite_index ON `%1$sentry`(`is_favorite`);',
 'CREATE INDEX IF NOT EXISTS entry_is_read_index ON `%1$sentry`(`is_read`);',
+'CREATE INDEX IF NOT EXISTS entry_lastSeen_index ON `%1$sentry`(`lastSeen`);',	//v1.2
 
 'INSERT OR IGNORE INTO `%1$scategory` (id, name) VALUES(1, "%2$s");',
 );
diff --git a/lib/lib_rss.php b/lib/lib_rss.php
index 65a1a8e04..db8fa63d1 100644
--- a/lib/lib_rss.php
+++ b/lib/lib_rss.php
@@ -38,7 +38,7 @@ function classAutoloader($class) {
 				include(APP_PATH . '/Models/' . $components[1] . '.php');
 				return;
 			case 3:	//Controllers, Exceptions
-				@include(APP_PATH . '/' . $components[2] . 's/' . $components[1] . $components[2] . '.php');
+				include(APP_PATH . '/' . $components[2] . 's/' . $components[1] . $components[2] . '.php');
 				return;
 		}
 	} elseif (strpos($class, 'Minz') === 0) {