CreateQuery system dict1 (children 4)
 Identifier system
 Identifier dict1
 ExpressionList (children 3)
  DictionaryAttributeDeclaration bytes_allocated (children 1)
   DataType UInt64
  DictionaryAttributeDeclaration element_count (children 1)
   DataType Int32
  DictionaryAttributeDeclaration loading_start_time (children 1)
   DataType DateTime
 Dictionary definition (children 4)
  ExpressionList (children 1)
   Identifier bytes_allocated
  FunctionWithKeyValueArguments  clickhouse (children 1)
   ExpressionList (children 6)
    pair (children 1)
     Literal \'localhost\'
    pair (children 1)
     Function tcpPort (children 1)
      ExpressionList
    pair (children 1)
     Literal \'default\'
    pair (children 1)
     Literal \'\'
    pair (children 1)
     Literal \'dictionaries\'
    pair (children 1)
     Literal \'system\'
  Dictionary lifetime
  Dictionary layout (children 1)
   ExpressionList
