def marshall_value(self, value, storeMemoryMap = False):
        """
        Marshalls a Crash object to be used in the database.
        By default the C{memoryMap} member is B{NOT} stored here.

        @warning: Setting the C{storeMemoryMap} argument to C{True} can lead to
            a severe performance penalty!

        @type  value: L{Crash}
        @param value: Object to convert.

        @type  storeMemoryMap: bool
        @param storeMemoryMap: C{True} to store the memory map, C{False}
            otherwise.

        @rtype:  str
        @return: Converted object.
        """
        if hasattr(value, 'memoryMap'):
            crash = value
            memoryMap = crash.memoryMap
            try:
                crash.memoryMap = None
                if storeMemoryMap and memoryMap is not None:
                    # convert the generator to a list
                    crash.memoryMap = list(memoryMap)
                if self.optimizeValues:
                    value = pickle.dumps(crash, protocol = HIGHEST_PROTOCOL)
                    value = optimize(value)
                else:
                    value = pickle.dumps(crash, protocol = 0)
            finally:
                crash.memoryMap = memoryMap
                del memoryMap
                del crash
        if self.compressValues:
            value = zlib.compress(value, zlib.Z_BEST_COMPRESSION)
        if self.escapeValues:
            value = value.encode('hex')
        if self.binaryValues:
            value = buffer(value)
        return value