SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier bftest
   Function or (children 1)
    ExpressionList (children 2)
     Function hasAny (children 1)
      ExpressionList (children 2)
       Identifier x
       Literal Array_[UInt64_0, UInt64_1]
     Literal Float64_0
 Identifier Null
