CreateQuery flat_dictionary (children 3)
 Identifier flat_dictionary
 ExpressionList (children 2)
  DictionaryAttributeDeclaration id (children 1)
   DataType UInt64
  DictionaryAttributeDeclaration value (children 2)
   DataType Nullable (children 1)
    ExpressionList (children 1)
     DataType Int64
   Literal NULL
 Dictionary definition (children 4)
  ExpressionList (children 1)
   Identifier id
  FunctionWithKeyValueArguments  clickhouse (children 1)
   ExpressionList (children 3)
    pair (children 1)
     Literal \'localhost\'
    pair (children 1)
     Function tcpPort (children 1)
      ExpressionList
    pair (children 1)
     Literal \'dictionary_nullable_source_table\'
  Dictionary lifetime
  Dictionary layout (children 1)
   ExpressionList
