pitrou commented on a change in pull request #7449:
URL: https://github.com/apache/arrow/pull/7449#discussion_r447171303
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File path: cpp/src/arrow/compute/kernels/scalar_string.cc
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@@ -133,23 +134,23 @@ struct Utf8Transform {
output_string_offsets[i + 1] = output_ncodeunits;
}
- // trim the codepoint buffer, since we allocated too much
+ // Trim the codepoint buffer, since we allocated too much
KERNEL_RETURN_IF_ERROR(
- ctx,
- output->buffers[2]->CopySlice(0,
output_ncodeunits).Value(&output->buffers[2]));
+ ctx, values_buffer->Resize(output_ncodeunits,
/*shrink_to_fit=*/true));
Review comment:
:-)
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