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Using “like” wildcard in prepared statement
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edited Dec 23 '15 at 22:23
Alain O'Dea
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Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
...n use DT[order(-rank(x), y)].
x y v
1: c 1 7
2: c 3 8
3: c 6 9
4: b 1 1
5: b 3 2
6: b 6 3
7: a 1 4
8: a 3 5
9: a 6 6
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answered Feb 27 '12 at 6:26
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