CreateQuery test_dict (children 3)
 Identifier test_dict
 ExpressionList (children 2)
  DictionaryAttributeDeclaration y (children 1)
   DataType String
  DictionaryAttributeDeclaration value (children 2)
   DataType UInt64
   Literal UInt64_0
 Dictionary definition (children 3)
  ExpressionList (children 1)
   Identifier y
  FunctionWithKeyValueArguments  clickhouse (children 1)
   ExpressionList (children 1)
    pair (children 1)
     Literal \'test_table\'
  Dictionary layout (children 1)
   ExpressionList
