etseidl commented on code in PR #8191:
URL: https://github.com/apache/arrow-rs/pull/8191#discussion_r2289289126
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parquet/src/file/page_index/index_reader.rs:
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@@ -146,22 +149,232 @@ pub(crate) struct ColumnIndex<'a> {
}
);
+/// column index
+pub struct NativeColumnIndex<T: ParquetValueType> {
+ phantom_data: PhantomData<T>,
+ null_pages: Vec<bool>,
+ boundary_order: BoundaryOrder,
+ null_counts: Option<Vec<i64>>,
+ repetition_level_histograms: Option<Vec<i64>>,
+ definition_level_histograms: Option<Vec<i64>>,
+ // raw bytes for min and max values
+ min_bytes: Vec<u8>,
+ min_offsets: Vec<usize>, // offsets are really only needed for BYTE_ARRAY
Review Comment:
I find the offsets arrays to be clunky...and they should not needed for
fixed-length types.
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