code: def sql(self, sqlText):
      return callBigDlFunc(self.bigdl_type, "sql", self.value, sqlText)
  
imports: from bigdl.ppml.api import *
  from bigdl.ppml.utils.log4Error import *
  from enum import Enum
  from pyspark.sql import SparkSession
  from pyspark.ml.wrapper import JavaParams
label_desc: Use image node_id 5 for calling the PPMLContext obj's underlying member method code with example usage: obj.sql(sqlText) and returns: callBigDlFunc