From 5921115af068c64d6f0170a30de4e56c060cba0c Mon Sep 17 00:00:00 2001
From: "Fedor A. Fetisov" <faf@ossg.ru>
Date: Fri, 12 Jan 2018 01:07:03 +0300
Subject: [PATCH 1/2] Bump version

---
 src/composer.json                   | 2 +-
 src/mibew/libs/common/constants.php | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/composer.json b/src/composer.json
index e37f0caa..4637b8ba 100644
--- a/src/composer.json
+++ b/src/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "mibew/mibew",
-    "version": "3.0.0",
+    "version": "3.1.0",
     "description": "Mibew Messenger - open-source live support application",
     "type": "project",
     "homepage": "http://mibew.org",
diff --git a/src/mibew/libs/common/constants.php b/src/mibew/libs/common/constants.php
index 7521b09e..643ee7d6 100644
--- a/src/mibew/libs/common/constants.php
+++ b/src/mibew/libs/common/constants.php
@@ -20,7 +20,7 @@
 /**
  * Current version of Mibew Messenger
  */
-define('MIBEW_VERSION', '3.0.0');
+define('MIBEW_VERSION', '3.1.0');
 
 /**
  * Prefix for session variables.

From 0cf963ac5e9dd055d51bb09e62663d7beb84829e Mon Sep 17 00:00:00 2001
From: "Fedor A. Fetisov" <faf@ossg.ru>
Date: Fri, 12 Jan 2018 01:07:34 +0300
Subject: [PATCH 2/2] Add primary key to revision database table

Fixes #218
---
 src/mibew/configs/database_schema.yml         |  2 +-
 .../classes/Mibew/Maintenance/Updater.php     | 26 +++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/src/mibew/configs/database_schema.yml b/src/mibew/configs/database_schema.yml
index 72ea7568..882c67ec 100644
--- a/src/mibew/configs/database_schema.yml
+++ b/src/mibew/configs/database_schema.yml
@@ -226,7 +226,7 @@ operatorstatistics:
 
 revision:
     fields:
-        id: "INT NOT NULL"
+        id: "INT NOT NULL PRIMARY KEY"
 
 # Contains relations between operators and groups
 operatortoopgroup:
diff --git a/src/mibew/libs/classes/Mibew/Maintenance/Updater.php b/src/mibew/libs/classes/Mibew/Maintenance/Updater.php
index e3548ece..8206b738 100644
--- a/src/mibew/libs/classes/Mibew/Maintenance/Updater.php
+++ b/src/mibew/libs/classes/Mibew/Maintenance/Updater.php
@@ -439,4 +439,30 @@ class Updater
 
         return true;
     }
+
+    /**
+     * Performs all database updates needed for 3.1.0.
+     *
+     * @return boolean True if the updates have been applied successfully and
+     * false otherwise.
+     */
+    protected function update30100()
+    {
+        $db = $this->getDatabase();
+
+        if (!$db) {
+            return false;
+        }
+
+        try {
+            // Alter plugin table.
+            $db->query('ALTER TABLE {revision} ADD PRIMARY KEY (id)');
+        } catch (\Exception $e) {
+            $this->errors[] = getlocal('Cannot update tables: {0}', $e->getMessage());
+
+            return false;
+        }
+
+        return true;
+    }
 }