CreateQuery pv (children 2)
 Identifier pv
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier table_pv
    Function greater (children 1)
     ExpressionList (children 2)
      Identifier timestamp_field
      QueryParameter timestamp_param:DateTime
