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.SDcols gives a strange message if length() 0 #3185

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MichaelChirico opened this issue Dec 5, 2018 · 0 comments
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.SDcols gives a strange message if length() 0 #3185

MichaelChirico opened this issue Dec 5, 2018 · 0 comments
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1.12.0

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@MichaelChirico
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MichaelChirico commented Dec 5, 2018 •
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Also identified in a comment by @HughParsonage here:

#1789 (comment)

For now I'll solve this by just short-circuiting to null.data.table() if !length(.SDcols)... the broader issue raised in #1789 of handling length-0 .SDcols in the case of := will require a bit more work.
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@mattdowle @MichaelChirico