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setDT fails to detect invalid columns -> obscure error downstream #3760

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MichaelChirico opened this issue Aug 11, 2019 · 0 comments · Fixed by #3770
Closed

setDT fails to detect invalid columns -> obscure error downstream #3760

MichaelChirico opened this issue Aug 11, 2019 · 0 comments · Fixed by #3770
Milestone
1.12.4

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@MichaelChirico
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DF = data.frame(a = 1:5)
DF$m = matrix(6:15, ncol = 2L)
setDT(DF)
print(DF)

Error in dimnames(x) <- dn :
length of 'dimnames' [1] not equal to array extent
Error during wrapup: 'length(x) = 2 > 1' in coercion to 'logical(1)'
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prevent setDT on data.frame with matrix columns Rdatatable/data.table
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@mattdowle @MichaelChirico