CreateQuery user_all (children 3)
 Identifier user_all
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType Int64
   ColumnDeclaration name (children 1)
    DataType String
   ColumnDeclaration age (children 1)
    DataType Int32
 Storage definition (children 1)
  Function Distributed (children 1)
   ExpressionList (children 4)
    Literal \'test_shard_localhost\'
    Function currentDatabase (children 1)
     ExpressionList
    Identifier user_local
    Function rand (children 1)
     ExpressionList
