CreateQuery 01754_dictionary_db direct_dictionary_complex_key_complex_attributes (children 4)
 Identifier 01754_dictionary_db
 Identifier direct_dictionary_complex_key_complex_attributes
 ExpressionList (children 4)
  DictionaryAttributeDeclaration id (children 1)
   DataType UInt64
  DictionaryAttributeDeclaration id_key (children 1)
   DataType String
  DictionaryAttributeDeclaration value_first (children 2)
   DataType String
   Literal \'value_first_default\'
  DictionaryAttributeDeclaration value_second (children 2)
   DataType Nullable (children 1)
    ExpressionList (children 1)
     DataType String
   Literal \'value_second_default\'
 Dictionary definition (children 3)
  ExpressionList (children 2)
   Identifier id
   Identifier id_key
  FunctionWithKeyValueArguments  clickhouse (children 1)
   ExpressionList (children 4)
    pair (children 1)
     Literal \'localhost\'
    pair (children 1)
     Function tcpPort (children 1)
      ExpressionList
    pair (children 1)
     Literal \'default\'
    pair (children 1)
     Literal \'complex_key_complex_attributes_source_table\'
  Dictionary layout (children 1)
   ExpressionList
