SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Literal UInt64_7
        Subquery (children 1)
         SelectWithUnionQuery (children 1)
          ExpressionList (children 1)
           SelectQuery (children 4)
            ExpressionList (children 1)
             Identifier number
            TablesInSelectQuery (children 1)
             TablesInSelectQueryElement (children 1)
              TableExpression (children 1)
               Function numbers (children 1)
                ExpressionList (children 1)
                 Literal UInt64_0
            ExpressionList (children 1)
             OrderByElement (children 1)
              Identifier number
            Literal UInt64_7
   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 2)
          Function equals (children 1)
           ExpressionList (children 2)
            Literal NULL
            Subquery (children 1)
             SelectWithUnionQuery (children 1)
              ExpressionList (children 1)
               SelectQuery (children 4)
                ExpressionList (children 1)
                 Identifier number
                TablesInSelectQuery (children 1)
                 TablesInSelectQueryElement (children 1)
                  TableExpression (children 1)
                   Function numbers (children 1)
                    ExpressionList (children 1)
                     Literal UInt64_1
                ExpressionList (children 1)
                 OrderByElement (children 1)
                  Identifier number
                Literal UInt64_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 NULL
 Identifier Null