bug fix

Author: sl-solution

src/abstractdataset/dscol.jl

@@ -113,11 +113,13 @@ Base.findmin(f, col::SubOrDSCol) = findmin(f, __!(col))
 Base.findmin(col::SubOrDSCol) = findmin(identity, __!(col))
 Base.cumsum(col::SubOrDSCol; missings=:ignore) = cumsum(__!(col), missings=missings)
 Base.cumprod(col::SubOrDSCol; missings=:ignore) = cumprod(__!(col), missings=missings)
+IMD.cumsum(col::SubOrDSCol; missings=:ignore) = cumsum(__!(col), missings=missings)
+IMD.cumprod(col::SubOrDSCol; missings=:ignore) = cumprod(__!(col), missings=missings)
 cummin(col::SubOrDSCol; missings=:ignore) = cummin(__!(col), missings=missings)
 cummax(col::SubOrDSCol; missings=:ignore) = cummax(__!(col), missings=missings)
 
-topk(col::SubOrDSCol, k; rev=false, lt = <, by = identity, threads = true) = topk(__!(col), k, rev=rev, lt = lt, by = by, threads = threads)
-topkperm(col::SubOrDSCol, k; rev=false, lt = <, by = identity, threads = true) = topkperm(__!(col), k, rev=rev, lt = lt, by = by, threads = threads)
+topk(col::SubOrDSCol, k; rev=false, lt=<, by=identity, threads=true) = topk(__!(col), k, rev=rev, lt=lt, by=by, threads=threads)
+topkperm(col::SubOrDSCol, k; rev=false, lt=<, by=identity, threads=true) = topkperm(__!(col), k, rev=rev, lt=lt, by=by, threads=threads)
 lag(col::SubOrDSCol; default=missing) = lag(__!(col), default=default)
 lag(col::SubOrDSCol, k; default=missing) = lag(__!(col), k, default=default)
 lead(col::SubOrDSCol; default=missing) = lead(__!(col), default=default)