CreateQuery dist_00717 (children 3)
 Identifier dist_00717
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration a (children 1)
    DataType LowCardinality (children 1)
     ExpressionList (children 1)
      DataType Nullable (children 1)
       ExpressionList (children 1)
        DataType Float64
 Storage definition (children 1)
  Function Distributed (children 1)
   ExpressionList (children 4)
    Literal \'test_cluster_two_shards_localhost\'
    Function currentDatabase (children 1)
     ExpressionList
    Literal \'test_low_null_float\'
    Function rand (children 1)
     ExpressionList
