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Mar 31, 2026
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I think more testing is needed for this patch.
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| UniqueBTreeBytesKey32(_) => bounds_from_bsatn_bytes_key!(TypedIndexKey::BytesKey32), | ||
| UniqueBTreeBytesKey64(_) => bounds_from_bsatn_bytes_key!(TypedIndexKey::BytesKey64), | ||
| UniqueBTreeBytesKey128(_) => bounds_from_bsatn_bytes_key!(TypedIndexKey::BytesKey128), | ||
| BTreeAV(_) | HashAV(_) | UniqueBTreeAV(_) | UniqueHashAV(_) => { |
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bounds_from_bsatn now handles the UniqueBTreeBytesKey* variants in the multi-column Product branch, but it doesn't handle *HashBytesKey* variants. The new tests only cover btree indexes. Fixed size multi-column hash indexes remain untested.
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I've substantially hardened the tests now, please have another look.
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Description of Changes
Add support for btree indices where the keys are encoded byte strings for e.g., multi-column indices of no-unbounded-types (arrays and strings) that aren't floats.
The main interesting stuff in this PR is in
bytes_key.rswhich definesRangeCompatBytesKey, a type that is derived fromBytesKey, by converting little-endian encoded integers to big-endian. Signed integers are now also supported, but floats are not.table_index/mod.rsalso includes a bunch of interesting stuff.API and ABI breaking changes
Technically this fixes pre-existing bugs in the handling of
Excludedranges for multi-col indices.Expected complexity level and risk
2?
Testing
order_in_bsatn_is_preservedis now adjusted and enabled to exercise the ordering ofRangeCompatBytesKey.btree_multi_col_range_scans_workis added to check the behavior of range scans on multi-col indices.