Creating multiple qvd files using for loop

Mon, 28 Oct 2013 07:09:36 GMT

Hi all,

I have a huge sql database with 30 million rows, which consists of data for the past 2 months. I need to load this to qvd files and i need to create multiple qvd files according to the date, ie one file for data for a particular date.

So i used the following steps

1. Load entire data.

2. Take distinct date and store in a table

3. Run a for loop for the date and store in seperate qvd files

But my code crashes after the first iteration of the loop and the qvd fine is not created.

My code is:

LET vFilename = 'D:\a_Work\Datafiles\QVDtest\funnel_' & date(today(),'YYYY_MM_DD') & '.qvd';

TableTodaysData:

SQL SELECT *

FROM funnelMain;

STORE TableTodaysData into $(vFilename);

LET vload = 'D:\a_Work\Datafiles\QVDtest\funnel_*' & '.qvd';

Tables:

LOAD Distinct cdate as Tablenames

FROM $(vload)

(qvd);

Let vTablecount = NoOfRows('Tables');

LET vsplitFilename = 'D:\a_Work\Datafiles\QVDtest\split\funnelsplit_';

SUB LoadTableData

For i=0 To $(vTablecount)-1

Let vTablename = Peek('Tablenames',$(i),'Tables');

Dummy:

NoConcatenate

Load * FROM $(vload)(qvd) Where cdate='$(vTablename)';

STORE Dummy into $(vsplitFilename)$(vTablename).QVD;

DROP Table Dummy;

NEXT i

End Sub;

Call LoadTableData;

DROP Table Tables;

Please help me out.

Re: Creating multiple qvd files using for loop

Fri, 04 Apr 2014 07:50:44 GMT

Hi Arjun,

Hope all is well. Did you get an answer to your problem?

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Creating multiple qvd files using for loop

Re: Creating multiple qvd files using for loop