felipecrv commented on code in PR #40017:
URL: https://github.com/apache/arrow/pull/40017#discussion_r1488424011
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cpp/src/arrow/compute/kernels/scalar_cast_dictionary.cc:
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@@ -49,7 +49,7 @@ Status CastToDictionary(KernelContext* ctx, const ExecSpan&
batch, ExecResult* o
// processing. This approach allows the subsequent code to uniformly handle
STRING
// inputs as if they were originally provided in dictionary format. Encoding
as a
// dictionary helps in reusing the same logic for dictionary operations.
- if (batch[0].type()->id() == Type::STRING) {
+ if (is_base_binary_like(in_array->type->id())) {
Review Comment:
Please update comment to say "If the input type is string or binary-like,
..."
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