CreateQuery testXA (children 3)
 Identifier testXA
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Function sleep (children 1)
      ExpressionList (children 1)
       Literal Float64_0.1
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier testX
 ViewTargets (children 1)
  Storage definition (children 2)
   Function MergeTree
   Function tuple (children 1)
    ExpressionList
