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introduce fexplode function#4156

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MichaelChirico wants to merge 20 commits intomasterRdatatable/data.table:masterfrom unnestRdatatable/data.table:unnestCopy head branch name to clipboard

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Commits on Jan 2, 2020

• prod_int function (probably not safe enough to use

  

  Michael Chirico

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  f88e69b

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• initial working version of unnest

  

  Michael Chirico

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  ade2a94

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• make note of incorrect cartesian unnesting

  

  Michael Chirico

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  6777a4a

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Commits on Jan 3, 2020

• initial progress migrating to simpler signature

  

  Michael Chirico

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Commits on Jan 4, 2020

• extract CJ workhorse to power unnesting

  

  Michael Chirico

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  fa93bee

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• move unnest into cj script (similar logic)

  

  Michael Chirico

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• fix some bugs, but giving up on this approach for now

  

  Michael Chirico

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• use rbindlist() and cj() internally

  

  Michael Chirico

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• no need for splitting out cj logic anymore

  

  Michael Chirico

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• reduce diff slightly

  

  Michael Chirico

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• validate input, add comments

  

  Michael Chirico

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• conditional parallelism

  

  Michael Chirico

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• fix rownames issue, add man page

  

  Michael Chirico

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• bad copypasta

  

  Michael Chirico

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• typo in man

  

  Michael Chirico

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• rename -> funnest, add first batch of tests

  

  Michael Chirico

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  4cfc5e6

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• Merge branch 'master' into unnest

  

  Michael Chirico

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• tests numbers

  

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• missed rename in man

  

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• coverage; fix test

  

  Michael Chirico

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