We have sort and sort within groups components. we can achieve the sort within group functionality by placing two keys in sort group. Then why we have to go for sort within groups?

Mahesh

• May 26th, 2021

One of the other examples could be :
graph A has done PBKS on field A
and when the output of graph A is being read by graph B it needs data to be sorted on fieldA and fieldB so major key is fieldA and minir key is fieldB.This saves time and increases performance.

sundar

• May 5th, 2015

Hey Munmun,

Do we need sorted data to sort with in group or component will taking care?

Thanks

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I have file containing 5 unique rows and I am passing them through SORT component using null key and and passing output of SORT to Dedup sort. What will happen, what will be the output.

Amaan Sajid Ansari

• Nov 14th, 2018

In Case of sort output would be same as input (unsorted) in case of dedup will depend on no of partition and the dedup method used. Please refer to the other similar dedup question i have explain it in that

san

• Aug 7th, 2018

1. In case of Null ket{} in sort component nothing will happen. 2. In case of Dedup sorted - keep - fist then you will get first record, Keep- Last then you will get last one, Keep- Unique only - in ...

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In my sandbox i am having 10 graphs, i checked-in those graphs into EME. Again i checked-out the graph and i do the modifications, i found out the modifications was wrong. what i have to do if i want to get the original graph..?

Amruta

• Jan 9th, 2021

Do revert changes...
Another option is to checked out previous version of object from eme

Jatin Chawla

• Sep 21st, 2020

Air object rollback to rollback to previous version

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Input file has below contents:
Ball Run
1 1
2 1
3 1
4 1
5 1
6 1
1 0
2 1
3 1
4 1
5 1
6 1
1 1
2 1
3 1
4 1
5 1
6 0

Required Output :
1 6
2 5
3 5

UNKNOWN User

• Oct 23rd, 2024

Use rollup with key change function
(in1.ball==6 && in2.ball==1)
This will cover if the 6th ball is a extra ball

Shubham Kandpal

• Jun 22nd, 2024

Use key change and rollup , this code is 100% working

Code
let decimal(x01) over=0;
 
out::key_change(in1,in2)=
begin
out::in2.ball%6 ==1;
end;
 
out::rollup(in)=
begin
over=over+1;
out.ball :: over;
out.run :: sum(in.run);
end;

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