CreateQuery d_one (children 3)
 Identifier d_one
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration dummy (children 1)
    DataType UInt8
 Storage definition (children 1)
  Function Distributed (children 1)
   ExpressionList (children 4)
    Identifier test_cluster_two_shards
    Identifier system
    Identifier one
    Function rand (children 1)
     ExpressionList