SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier xp_d
   Function globalIn (children 1)
    ExpressionList (children 2)
     Function toYYYYMM (children 1)
      ExpressionList (children 1)
       Identifier A
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 2)
         ExpressionList (children 1)
          Function toYYYYMM (children 1)
           ExpressionList (children 1)
            Function min (children 1)
             ExpressionList (children 1)
              Identifier A
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            TableIdentifier xp_d
   Function greater (children 1)
    ExpressionList (children 2)
     Identifier B
     Literal Int64_-1
