code: def default_table_mapper(query, tables={}):
      return query
  
file_path: blazingsql/tests/BlazingSQLTest/EndToEndTests/oldScripts/tablesFromSQL.py
imports: from collections import OrderedDict
  from blazingsql import DataType
  from DataBase import createSchema
  from Configuration import ExecutionMode
  from Configuration import Settings
  from Runner import runTest
  from Utils import gpuMemory, skip_test
  from EndToEndTests.oldScripts import tpchQueries
label_desc: Use image node_id 2 for calling the Sample obj's underlying member method code with example usage: obj.default_table_mapper(query, tables) and returns: query