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robhagat
Contributor III
Contributor III

To fetch a single row from multiple row based on the latest date

Hi,

I want to export a single row for each IssueKey based on the latest entry of TaskDate column that i have in my code.

I am combining 2 spreadsheet using left join and the output that i get on that i want to apply filter to get a single record for the multiple entries that i am getting for a given IssueKey.

Please find below the codes for reference.

Also please find attached the screenshot of the output that i am getting.

FI:

LOAD

    "Sl no.",

    "Old Meter Id" as Old_Meter,

    "Old Lce Id" as Old_LCE,

    "Property Id" as PropertyID,

    "Meter Type",

    "TWSMOC Id" as IssueKey,

    Label,

    "BPMS/JMS",

    "Job Ref#" as JobRef,

    "Job Type",

    "Date Sent"

FROM [lib://Field Investigation/Master sheet1.csv]

(txt, codepage is 28591, embedded labels, delimiter is ',', msq);


Left Join(FI)

LOAD

Filename() as TWMFilename,

DATE(DATE#(LEFT(RIGHT(Filename(),10),6),'DDMMYY'),'DD/MM/YYYY') as TWMFiledate,

    "Job Reference" as JobRef,

    "Installation Completed Comments" as Operative_Comments,

    "Job Code",

    "Job Status",

    "Job Sent to TW",

    TaskDate,

    //DATE(TaskDate, 'DD/MM/YYYY') as TaskDates,

    "Meter Serial No",

    "Meter Serial Number" as Old_Meter,

    "Old LCE Serial Number",

    "Old LCE Reader Serial Number",

    "CIS Property Reference: CIS Property Reference" as PropertyID,

    "Serial No: Serial Number" as New_Meter,

    "LCE Reader Serial No" as New_LCE

FROM [lib://Field Investigation/TWMReport_030418.csv]

(txt, codepage is 28591, embedded labels, delimiter is ',', msq);


Inner Join(FI)

Load

Distinct IssueKey,

//FirstSortedValue(DISTINCT TaskDates,-IssueKey)

max(TaskDates) as MaxTaskDate

Resident FI

Group by IssueKey;

Regards,

Romila.

4 Replies
petter
Partner - Champion III
Partner - Champion III

Your screenshot is just a blank white page... could you please upload a new one?

robhagat
Contributor III
Contributor III
Author

Hi ,

I have re-attached the screenshot in my post. Please see below the screenshot for your reference.

Thanks in advance.

FI screenshot.png

dwforest
Specialist II
Specialist II

What you did will append the MaxTaskDate to every record in your original file; now if you want to filter it.

F2:

NoConcatenate

LOAD * RESIDENT F1 WHERE TaskDate = MaxTaskDate;

robhagat
Contributor III
Contributor III
Author

Thank you sooo much. It worked