Official naming is HSQLDB (and/or HyperSQL)

plugins/dbms/hsqldb/filesystem.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+
+"""
+Copyright (c) 2006-2013 sqlmap developers (http://sqlmap.org/)
+See the file 'doc/COPYING' for copying permission
+"""
+
+from lib.core.exception import SqlmapUnsupportedFeatureException
+from plugins.generic.filesystem import Filesystem as GenericFilesystem
+
+class Filesystem(GenericFilesystem):
+    def __init__(self):
+        GenericFilesystem.__init__(self)
+
+    def readFile(self, rFile):
+        errMsg = "Not implemented in HSQLDB"
+        raise SqlmapUnsupportedFeatureException(errMsg)
+
+    def writeFile(self, wFile, dFile, fileType=None, forceCheck=False):
+        errMsg = "Not implemented in HSQLDB"
+        raise SqlmapUnsupportedFeatureException(errMsg)