CreateQuery test_dictionary (children 3)
 Identifier test_dictionary
 ExpressionList (children 2)
  DictionaryAttributeDeclaration key (children 1)
   DataType String
  DictionaryAttributeDeclaration value (children 1)
   DataType String
 Dictionary definition (children 4)
  ExpressionList (children 1)
   Identifier key
  FunctionWithKeyValueArguments  clickhouse (children 1)
   ExpressionList (children 1)
    pair (children 1)
     Literal \'test_dictionary_source\'
  Dictionary lifetime
  Dictionary layout (children 1)
   ExpressionList
