AlvinJ15 commented on a change in pull request #11853:
URL: https://github.com/apache/arrow/pull/11853#discussion_r764620164
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File path: cpp/src/arrow/compute/kernels/vector_replace.cc
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@@ -500,6 +731,104 @@ void RegisterVectorReplace(FunctionRegistry* registry) {
// TODO(ARROW-9431): "replace_with_indices"
}
+
+const FunctionDoc fill_forward_null_doc(
+ "Replace null values using forward mode",
+ ("Given an array, propagate last valid observation forward to next valid\n"
+ "or nothing if all previous values are null. "),
+ {"values"});
+
+void RegisterVectorFillForwardNullValues(FunctionRegistry* registry) {
Review comment:
Now I removed both `RegisterVectorFill*NullValues` and put them into
ReplaceVector.
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