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Matthew Hayes commented on DATAFU-38: ------------------------------------- Great now I can find your name. Assigned to you ;) > BagGroup merges rows > -------------------- > > Key: DATAFU-38 > URL: https://issues.apache.org/jira/browse/DATAFU-38 > Project: DataFu > Issue Type: Bug > Reporter: Sam Steingold > Assignee: Sam Steingold > Fix For: 1.3.0 > > Attachments: BagGroup-38.patch > > > load > {code} > 1,a,A,1 > 1,b,A,2 > 1,a,B,3 > 2,c,C,4 > 2,b,B,5 > 2,b,C,6 > {code} > using {{tmp_datafu = load 'test' using PigStorage(',') as (id:chararray, > domain:chararray, keyword:chararray, weight:int);}} > and do > {code} > tmp_roll = foreach (group tmp_datafu by id) generate > group as id, > CountEach(tmp_datafu.domain) as domains, > BagGroup(tmp_datafu.(keyword,weight),tmp_datafu.keyword) as keywords; > {code} > the result is > {code} > (1,{(b,1),(a,2)},{(B,{(B,3)}),(A,{(A,1),(A,2)})}) > (2,{(c,1),(b,2)},{(B,{(B,3),(B,5)}),(A,{(A,1),(A,2)}),(C,{(C,4),(C,6)})}) > {code} > instead of > {code} > (1,{(b,1),(a,2)},{(B,{(B,3)}),(A,{(A,1),(A,2)})}) > (2,{(c,1),(b,2)},{(B,{(B,5)}),(C,{(C,4),(C,6)})}) > {code} > see also > http://stackoverflow.com/questions/22945236/how-do-i-accumulate-vectors-into-a-map -- This message was sent by Atlassian JIRA (v6.2#6252)