Sir if we take only expression, then how can we generate it? please suggest me. Second this if we consider this only mapping then i have a doubt why we have taken joiner here.
My doubt is , I can get the same result if in the router I can put count=1 , then we don’t need the expr trans and we can join the sorter and the aggregator . I am getting the same result. Please can you help me to understand if there is any problem if we remove the expr ??
If we using group by condition on the newvalue column doesn't it create a single Index for each newvalue column. At the end of aggregator output should be a 1 , b1, c 3 ????and not A1,b1,c1, C2,c3
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I think we dont need joiner in this scenario,we can just give count from aggregator to route data
I think , In that way we will loose the records in the duplicate file, it will give only 1 time
Sir if we take only expression, then how can we generate it? please suggest me. Second this if we consider this only mapping then i have a doubt why we have taken joiner here.
My doubt is , I can get the same result if in the router I can put count=1 , then we don’t need the expr trans and we can join the sorter and the aggregator . I am getting the same result. Please can you help me to understand if there is any problem if we remove the expr ??
If a source has 100 rows and last 3 rows needs to be loaded in a separate target, how it can be executed ?
Use sequence generator first and then rank (Top 3)
If we using group by condition on the newvalue column doesn't it create a single Index for each newvalue column. At the end of aggregator output should be a 1 , b1, c 3 ????and not A1,b1,c1, C2,c3
Thats why he used joiner to solve your question