lesam commented on code in PR #716:
URL: https://github.com/apache/arrow-go/pull/716#discussion_r3356737625
##########
arrow/compute/selection.go:
##########
@@ -485,6 +485,40 @@ func structFilter(ctx *exec.KernelCtx, batch
*exec.ExecSpan, out *exec.ExecResul
return nil
}
+
+// dictionaryFilter is a special case for filtering a dictionary array
+//
+// The implementation uses the 'dictionaryTake' implementation.
+func dictionaryFilter(ctx *exec.KernelCtx, batch *exec.ExecSpan, out
*exec.ExecResult) error {
Review Comment:
If you don't mind I think I will leave this to a follow-up - FWIW I was
mirroring structFilter that also does bool -> indices -> Take
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