12064: Database Rollback not working with magento 2.1.9?

lib/internal/Magento/Framework/Setup/BackupRollback.php

@@ -242,6 +242,10 @@ public function dbRollback($rollbackFile)
         $dbRollback->setTime($time[0]);
         $this->log->log('DB rollback is starting...');
         $dbRollback->setResourceModel($this->objectManager->create(\Magento\Backup\Model\ResourceModel\Db::class));
+        if ($dbRollback->getBackupFilename() !== $rollbackFile) {
+            $correctName = $this->getCorrectFileNameWithoutPrefix($dbRollback, $rollbackFile);
+            $dbRollback->setName($correctName);
+        }
         $dbRollback->rollback();
         $this->log->log('DB rollback filename: ' . $dbRollback->getBackupFilename());
         $this->log->log('DB rollback path: ' . $dbRollback->getBackupPath());
@@ -329,4 +333,25 @@ public function getDBDiskSpace()
         $dbBackup = $this->objectManager->create(\Magento\Framework\Backup\Db::class);
         return $dbBackup->getDBSize();
     }
+
+    /**
+     * Get correct file name without prefix.
+     *
+     * @param \Magento\Framework\Backup\Db $dbRollback
+     * @param string $rollbackFile
+     *
+     * @return string
+     */
+    private function getCorrectFileNameWithoutPrefix(\Magento\Framework\Backup\Db $dbRollback, $rollbackFile)
+    {
+        $namePrefix = $dbRollback->getTime() . '_' . $dbRollback->getType();
+        //delete prefix.
+        $fileNameWithoutPrefix = str_replace($namePrefix, '', $rollbackFile);
+        //change '_' to ' '.
+        $fileNameWithoutPrefix = str_replace('_', ' ', $fileNameWithoutPrefix);
+        //delete file extension.
+        $fileNameWithoutPrefix = pathinfo($fileNameWithoutPrefix, PATHINFO_FILENAME);
+
+        return $fileNameWithoutPrefix;
+    }
 }

lib/internal/Magento/Framework/Setup/Test/Unit/BackupRollbackTest.php

@@ -181,6 +181,7 @@ public function testMediaRollback()
     public function testDbBackup()
     {
         $this->setupDbBackupRollback();
+        $this->database->expects($this->once())->method('getBackupFilename')->willReturn('RollbackFile_A.gz');
         $this->database->expects($this->once())->method('create');
         $this->file->expects($this->once())->method('isExists')->willReturn(false);
         $this->file->expects($this->once())->method('createDirectory');
@@ -190,12 +191,20 @@ public function testDbBackup()
     public function testDbRollback()
     {
         $this->setupDbBackupRollback();
+
         $this->database->expects($this->once())->method('rollback');
+        $this->database->expects($this->exactly(2))->method('getBackupFilename')
+            ->willReturnOnConsecutiveCalls('test', '1510140748_db_test_backup');
+        $this->database->expects($this->once())->method('getTime')->willReturn(1510140748);
+        $this->database->expects($this->once())->method('getType')->willReturn('db');
+        $this->database->expects($this->once())->method('setName')->with(' test backup');
+
         $this->file->expects($this->once())
             ->method('isExists')
-            ->with($this->path . '/backups/12345_db.sql')
+            ->with($this->path . '/backups/1510140748_db_test_backup.sql')
             ->willReturn(true);
-        $this->model->dbRollback('12345_db.sql');
+
+        $this->model->dbRollback('1510140748_db_test_backup.sql');
     }
 
     private function setupCodeBackupRollback()
@@ -226,9 +235,6 @@ private function setupDbBackupRollback()
             ->method('setBackupExtension');
         $this->database->expects($this->once())
             ->method('setTime');
-        $this->database->expects($this->once())
-            ->method('getBackupFilename')
-            ->willReturn('RollbackFile_A.gz');
         $this->database->expects($this->atLeastOnce())
             ->method('getBackupPath')
             ->willReturn('pathToFile/12345_db.sql');