writer: close the vlen-heap, chunk-index reopen, and hard-link defect families - #12

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physwkim merged 30 commits into

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writer-parity-sweep

Aug 13, 2026

Commits on Aug 13, 2026

writer: free the object headers finalize supersedes
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e18c532
vlen: free superseded heap objects before allocating the replacement (issue #10)
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changelog: record the issue #10 vlen and header-supersede fixes
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dataset: add checked numeric conversion reads (issue #11)
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attribute: validate the datatype in read_numeric, add read_numeric_as
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swmr: check the element width in the typed reads
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writer: release superseded vlen attribute heap objects on replace
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writer: persist a bare extent change made in a reopen session
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writer: prune and free the chunks a set_extent shrink strands
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writer: release the vlen heap objects a set_extent shrink discards
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writer: rebuild the reopen group registry from link records
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reader: resolve vlen heap references strictly, drop the 64 MiB cap
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writer: reject a vlen write before its heap collection is allocated
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writer: skip the heap collection for empty vlen creations
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format(global_heap): carry the object ref count through decode/encode
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writer: reject attribute changes while SWMR streaming is active
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writer: free a deleted object's storage in delete_dataset/delete_group
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writer: document the top-level-only vlen release rule
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writer: pack vlen heap objects via a CWFS list, spill at the index cap
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writer: rebuild FA and BT2 chunk indexes in open_append
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writer: give delete_dataset/delete_group H5Ldelete hard-link semantics
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writer: unlink a bare hard-link path in delete_dataset/delete_group
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writer: resolve hard-link paths in dataset_index and create_hard_link
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writer: rebuild the hard-link registry in open_append
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writer: promote an outside-linked group instead of refusing delete_group
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writer,reader: resolve paths through group hard links
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writer: reconstruct paged fixed-array data blocks in open_append
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writer: re-serialize v2 B-trees at the node size their header declares
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writer: extend a listed heap collection in place before opening a new one
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tests: run the deflate variants only when the feature is on
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