CreateQuery v (children 4)
 Identifier v
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration x (children 1)
    DataType Int8
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 4)
    ExpressionList (children 1)
     Identifier x
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier nonexist
    ExpressionList (children 1)
     Function tumble (children 1)
      ExpressionList (children 1)
       Function now (children 1)
        ExpressionList
    Set
 ViewTargets (children 1)
  Storage definition (children 2)
   Function AggregatingMergeTree
   Identifier x
