CreateQuery range_dictionary_nullable (children 3)
 Identifier range_dictionary_nullable
 ExpressionList (children 4)
  DictionaryAttributeDeclaration CountryID (children 1)
   DataType UInt64
  DictionaryAttributeDeclaration StartDate (children 1)
   DataType Date
  DictionaryAttributeDeclaration EndDate (children 1)
   DataType Date
  DictionaryAttributeDeclaration Tax (children 2)
   DataType Nullable (children 1)
    ExpressionList (children 1)
     DataType Float64
   Literal Float64_0.2
 Dictionary definition (children 5)
  ExpressionList (children 1)
   Identifier CountryID
  FunctionWithKeyValueArguments  clickhouse (children 1)
   ExpressionList (children 5)
    pair (children 1)
     Literal \'localhost\'
    pair (children 1)
     Function tcpPort (children 1)
      ExpressionList
    pair (children 1)
     Literal \'default\'
    pair (children 1)
     Literal \'date_table\'
    pair (children 1)
     Function currentDatabase (children 1)
      ExpressionList
  Dictionary lifetime
  Dictionary layout (children 1)
   ExpressionList
  Dictionary range