fatemehp commented on code in PR #17877:
URL: https://github.com/apache/arrow/pull/17877#discussion_r1114727560
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cpp/src/parquet/column_reader.h:
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@@ -364,10 +373,15 @@ class PARQUET_EXPORT RecordReader {
}
/// \brief Decoded values, including nulls, if any
+ /// FLBA and ByteArray types do not use this array and read into their own
+ /// builders.
uint8_t* values() const { return values_->mutable_data(); }
- /// \brief Number of values written including nulls (if any)
- /// There is no read-ahead/buffering for values.
+ /// \brief Number of values written, including space left for nulls if any.
+ /// If this Reader was constructed with read_dense_for_nullable(), there is
no space for
Review Comment:
Done.
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