Invoice | Dealer | Rep | quantity | Frame | Cover | Color | Placements | shipdate
---------------------------------------------------------------------------------
100        123     250     1         1234    12       1         2         20180219
101        321     250     1         1235    12       1         2         20180219
102        432     250     1         1236    12       1         2         20180219

ID | Frame | GroupID | cover | color
------------------------------------
15    1234      1        12      1
16    1235      2        12      1
17    1236      3        12      1

sku_id | groupID | dealerID | startDate | expirationDate          | placements
------------------------------------------------------------------------------
15          1       123        20180226    (shipdate + 127 days)       2
16          2       123        20180226    (shipdate + 127 days)       2
17          3       123        20180226    (shipdate + 127 days)       2

<?php

            //MySql Connection credentials
            $mysqlServer = "";
            $mysqlUser = "";
            $mysqlPass = "*";

            //Establilsh MySql Connection
            $mysqlConn = new mysqli($mysqlServer, $mysqlUser, $mysqlPass);

            //Check MySQL connection
            if($mysqlConn->connect_error){
              die("Connection Failed: " .$mysqlConn->connect_error);
            }
            echo "Connected Succssfully to Mysql";

            try {
                $DB2Conn = odbc_connect("","", "");

                if(!$DB2Conn){
                  die("Could not connect");
                }else{
                    echo"Connected to DB2";
                }

                $plcQueryDB2 = "

                        select  invnoc AS INVOICE,
                                cstnoc AS DEALER,
                                slsnoc AS REP,
                                orqtyc AS QUANTITY,
                                framec AS FRAME,
                                covr1c AS COVER,
                                colr1c AS COLOR ,
                                SUM(skunoc) as PLACEMENTS,
                                extd1d AS SHIPDATE
                          FROM GPORPCFL
                          group by invnoc,cstnoc, slsnoc, orqtyc, framec, covr1c,colr1c, extd1d

                ";

                $prep = odbc_prepare($DB2Conn, $plcQueryDB2);
                $exec = odbc_execute($prep);
                $result = odbc_exec($DB2Conn, $plcQueryDB2);
            }
            catch(Exception $e) {
                echo $e->getMessage();
            }


            //Put $result into array chunk, process records in hundreds, possibly by 200 at a time

            //Logic for the query results Insert/ Upsert
            //This is pseudo code
            if ($row['placements'] < count){   //Here, I am iterating to ensure that there are only as many records inserted as there are placements. 3 placements = 3 records

            $insertsql = "

            ";
            }