CreateQuery 01753_dictionary_db direct_dictionary_simple_key_complex_attributes (children 4)
 Identifier 01753_dictionary_db
 Identifier direct_dictionary_simple_key_complex_attributes
 ExpressionList (children 3)
  DictionaryAttributeDeclaration id (children 1)
   DataType UInt64
  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 1)
   Identifier id
  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 \'simple_key_complex_attributes_source_table\'
  Dictionary layout (children 1)
   ExpressionList
