topic Re: Do while loop in App Development

Do while loop

arsallee3 — Thu, 22 Sep 2016 03:19:13 GMT

Hello all,

I am struggling with creating a table with all dates listed from another table. The original has a project ID, Start date, end date and projection amount. Because the start and end dates can span across months I am looking to be able to get projection for a given month/Week etc. based upon total projection amount divided by days of project.

Example:

ProjectId, StartDate, EndDate, Projection

1, 8/29/2016, 9/2/2016, 150,000

2, 9/1/2016, 9/05/2016, 100,000

Each project has 5days of work so daily projection would be 15,000 & 10,000 respectively.

Would like table to be created as follows:

ProjectId, Date, Projection

1, 08/29/2016, 15000

1, 08/30/2016, 15000

1, 08/31/2016, 15000

1, 09/01/2016, 15000

1, 09/02/2016, 15000

2, 09/01/2016, 10000

2, 09/02/2016, 10000

2, 09/03/2016, 10000

2, 09/04/2016, 10000

2, 09/05/2016, 10000

Then would be able to sum projection by month

Example August would be 45,000 for both projects and September would be 205,000 for both projects and total would be 250,000 across both months. Below is code I have to start of course not working. Would appreciate if see better way to do this or what I have incorrect?

Thanks

//Create table for daily projection volumes

Let vJobStartDate = Today();
Let vJobEndDate = Today();
Let vServiceDays = 0;

Let vNoOfRows = NoOfRows('ProjectMaster');
//Get the values from each row and create a daily projection table
For i=1 to $(vNoOfRows)-1
set vProjectId = Peek('ProjectId',$(i),'ProjectMaster');
set vJobStartDate = Peek('StartDate',$(i),'ProjectMaster');
    set vJobEndDate = Peek('EndDate',$(i),'ProjectMaster');
    set vServiceDays = Peek('EndDate',$(i),'ProjectMaster') - Peek('StartDate',$(i),'ProjectMaster');
    set vDailyProjection = Peek('ProjectionTest',$(i),'ProjectMaster')/$(vServiceDays);

// This script loops through each ProjectId and creates a table with the date and daily amounts for each date

    Set a=1;
    Do while a < vServiceDays

    ProjectionTable:
Load if(isnull($(vProjectId)),'NULL'&$(i),$(vProjectId)) as ProjectId,
if(isnull($(vJobStartDate)),'NULL'&$(i),$(vJobStartDate)) as JobProjectionDate,
     if(isnull($(vDailyProjection)),'NULL'&$(i),$(vDailyProjection))as DailyProjection;
    Let a=a+1;
    Let vJobStartDate =vJobStartDate+1;
    Loop


Next i;

Re: Do while loop

Gysbert_Wassenaar — Fri, 23 Sep 2016 07:06:24 GMT

Perhaps something like this:

LOAD

ProjectID,

StartDate + IterNo() -1 as Date,

Date(MonthStart(StartDate + IterNo() -1),'MMM-YYYY') as MonthYear,

Projection/NetWorkDays(StartDate,EndDate) as Projection

WHILE

StartDate + IterNo() -1 <= EndDate

;

LOAD * INLINE [

ProjectId, StartDate, EndDate, Projection

1, 8/29/2016, 9/2/2016, 150,000

2, 9/1/2016, 9/05/2016, 100,000

];

Re: Do while loop

sunny_talwar — Fri, 23 Sep 2016 07:17:11 GMT

Try to avoid posting duplicate threads:

For Next/Do While loop

Re: Do while loop

arsallee3 — Fri, 23 Sep 2016 12:45:09 GMT

Yes, I am sorry, I thought I did something incorrect as the first one did not get a moderation email back until about 24 hours later and that was just unusual.

Re: Do while loop

arsallee3 — Fri, 23 Sep 2016 13:02:49 GMT

Gysbert,

This was perfect except I needed to count weekends as well so modified that calculation a little bit.

TempProjectionTable:

Load

ProjectId,

StartDate,

EndDate,

Projection

Resident ProjectMaster

// Exclude the Company, Admin & Training Clients

where ClientId <> 168 and

ClientId <> 214 and

ClientId <> 237;

ProjectionTable:

Load

ProjectId,

Num(StartDate + IterNo() -1) as JobProjectionDate,

Round(Projection/(Num(EndDate)-Num(StartDate)+1),0.00001) as ProjectionAmount

Resident TempProjectionTable

While IterNo() <= EndDate - StartDate +1

Order by StartDate asc;

Drop Table TempProjectionTable;