pitrou commented on code in PR #41037:
URL: https://github.com/apache/arrow/pull/41037#discussion_r1555798722
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cpp/src/parquet/encoding.cc:
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@@ -3177,7 +3179,9 @@ class RleBooleanDecoder : public DecoderImpl, virtual
public BooleanDecoder {
PARQUET_THROW_NOT_OK(
out->AppendValues(values.begin(), values.begin() +
current_batch_size));
num_values -= current_batch_size;
- current_index_in_batch = 0;
+ // set current_index_in_batch to current_batch_size means
+ // the whole batch is totally consumed.
+ current_index_in_batch = current_batch_size;
Review Comment:
What's the point of `current_index_in_batch` exactly? It always ends up
having the same value.
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