Fix reapply output

Author: juliohm

src/transforms.jl

@@ -204,10 +204,7 @@ function reapply(transform::Colwise, table, cache)
   vals = tcollect(colfunc(i) for i in 1:length(names))
 
   # new table with transformed columns
-  newtable = (; vals...) |> Tables.materializer(table)
-
-  # return new table and cache
-  newtable, cache
+  (; vals...) |> Tables.materializer(table)
 end
 
 # ----------------

src/transforms/eigenanalysis.jl

@@ -111,9 +111,7 @@ function reapply(transform::EigenAnalysis, table, cache)
 
   # table with transformed columns
   𝒯 = (; zip(names, eachcol(Z))...)
-  newtable = 𝒯 |> Tables.materializer(table)
-
-  newtable, cache
+  𝒯 |> Tables.materializer(table)
 end
 
 function eigenmatrices(transform, Y)

src/transforms/parallel.jl

@@ -78,14 +78,12 @@ function reapply(p::Parallel, table, cache)
   caches = cache[2]
 
   # reapply transforms in parallel
-  f(t, c)  = reapply(t, table, c) |> first
-  itr      = zip(p.transforms, caches)
-  tables   = tcollect(f(t, c) for (t, c) in itr)
+  f(t, c) = reapply(t, table, c)
+  itr     = zip(p.transforms, caches)
+  tables  = tcollect(f(t, c) for (t, c) in itr)
 
   # table with concatenated columns
-  newtable = tablehcat(tables)
-
-  newtable, cache
+  tablehcat(tables)
 end
 
 function tablehcat(tables)

src/transforms/sequential.jl

@@ -42,7 +42,7 @@ function reapply(s::Sequential, table, cache)
   for (ctransform, ccache) in zip(s.transforms, cache)
     current, _ = reapply(ctransform, current, ccache)
   end
-  current, cache
+  current
 end
 
 """

test/transforms.jl

@@ -411,8 +411,7 @@
     t = Table(x=rand(1000))
     T = ZScore() ⊔ Quantile()
     n1, c1 = apply(T, t)
-    n2, c2 = reapply(T, t, c1)
+    n2 = reapply(T, t, c1)
     @test n1 == n2
-    @test c1 == c2
   end
 end