code: def sql(self):
      fields = []
      keys = []
      self.fields.sort()
      fields = [None] * len(self.fields)
      for index, name, type in self.fields:
          index -= 1
          unk = type & ~knownbits
          if unk:
              print("%s.%s unknown bits %x" % (self.name, name, unk))
          size = type & datasizemask
          dtype = type & typemask
          if dtype == type_string:
              if size:
                  tname = "CHAR(%d)" % size
              else:
                  tname = "CHAR"
          elif dtype == type_short:
              assert size == 2
              tname = "SHORT"
          elif dtype == type_long:
              assert size == 4
              tname = "LONG"
          elif dtype == type_binary:
              assert size == 0
              tname = "OBJECT"
          else:
              tname = "unknown"
              print(
                  "%s.%sunknown integer type %d"
                  % (self.name, name, size)
              )
          if type & type_nullable:
              flags = ""
          else:
              flags = " NOT NULL"
          if type & type_localizable:
              flags += " LOCALIZABLE"
          fields[index] = "`%s` %s%s" % (name, tname, flags)
          if type & type_key:
              keys.append("`%s`" % name)
      fields = ", ".join(fields)
      keys = ", ".join(keys)
      return "CREATE TABLE %s (%s PRIMARY KEY %s)" % (
          self.name,
          fields,
          keys,
      )
  
imports: from _msi import *
  import fnmatch
  import os
  import re
  import string
  import sys
  import warnings
label_desc: Use image node_id 3 for calling the Table obj's underlying member method code with example usage: obj.sql() and returns: unknown