[datatable-help] Change in list( ) behavior inside join

[nachti]

Hi there!

Just another example (maybe to be included to test.data.table), which does
not do, what I expected (v. 1.9.2 - it's also fixed in 1.9.3)

> require(data.table)

> sessionInfo()
R version 3.1.0 (2014-04-10)
Platform: powerpc64-unknown-linux-gnu (64-bit)
...
other attached packages:
[1] data.table_1.9.2

> example(data.table)
> DT
   x y  v v2  m
1: a 1 42 NA 42
2: a 3 42 NA 42
3: a 6 42 NA 42
4: b 1  4 84  5
5: b 3  5 84  5
6: b 6  6 84  5
7: c 1  7 NA  8
8: c 3  8 NA  8
9: c 6  9 NA  8

> setkey(DT)
> DT[J("a"), list(v, y)]
   x  v y
1: a 42 1
> DT[J("a"), list(v, y, i = "text")]
   x  v y    i
1: a 42 1 text

##### With data.table 1.9.3 it's working fine:
> require(data.table)

> sessionInfo()
R version 3.1.0 (2014-04-10)
Platform: powerpc64-unknown-linux-gnu (64-bit)
...
other attached packages:
[1] data.table_1.9.3

> example(data.table)

> setkey(DT)
> DT[J("a"), list(v, y)]
    v y
1: 42 1
2: 42 3
3: 42 6
> DT[J("a"), list(v, y, i = "text")]
    v y    i
1: 42 1 text
2: 42 3 text
3: 42 6 text

nachti



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