index: secondary index core — entries, search, planner, _id fast path

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Adds src/index.zig with the full secondary-index machinery: entry
generation mirroring field_matches (array value + elements), BSON-order
sorted entries with binary search, compound prefix and range lookups,
unique/sparse options, the query planner (longest equality/$in run +
optional range, $in cartesian cap, sparse/null bail), and the _id_ fast
path guarded against serialization-ambiguous values (numbers, strings,
symbols, codes, opaque payloads).

query.collect_values is now pub so entry generation can mirror it exactly.
storage.zig gains record_type_index_create/drop; lib.zig exports index.

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This commit is contained in:

Alexey Shakhmatov

2026-08-02 12:21:22 +03:00

parent 662df9b121

commit a38ddc2f50

10 changed files with 1824 additions and 782 deletions

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