i have a scenario in which i/p columns areID,salary with
1,1000 2,2000 and 3,3000 i need an extra column in the o/p
named avg(salary)how can i get it?
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Answer / sid
source->aggregate(with group key-ID,Avg(salary))-->Target
| Is This Answer Correct ? | 5 Yes | 1 No |
source -> Transforemer(add column DUMMY and give value 1)
==> 2links,
1st link(with 1 hard coded value) to Copy,
1,1000,1
2,2000,1
3,3000,1
2nd Link to Join,
1,1000
2,2000
3,3000
1st linkcopy -> aggregate (Group Key-->DUMMY, take avg)--
>Join
1,2000(AVG salary)
->Join --> target
1,1000,2000
2,2000,2000
3,3000,2000
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / ramakrishna
SRC-aggregator-tgt
In the aggregator take the avg
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / sai
source -> Transforemer(add column and give value 1) ->
copy -> aggregate (take sum)
->Join -> tx -> target
| Is This Answer Correct ? | 1 Yes | 5 No |
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