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Blosc / python-blosc2 Public

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Variable length columns for CTable#624

Merged

FrancescAlted merged 32 commits intomainBlosc/python-blosc2:mainfrom

ctable-varlen-colsBlosc/python-blosc2:ctable-varlen-colsCopy head branch name to clipboard

May 4, 2026

Conversation Commits32 (32)Checks Files changed

Merged

Variable length columns for CTable#624
FrancescAlted merged 32 commits intomainfrom
ctable-varlen-cols

Commits

Commits on Apr 23, 2026

New plan for variable length columns based on new ListArray
FrancescAlted
committed
First implementation for varlen cols in CTable
FrancescAlted
committed
First optimizations using a new benchmark
FrancescAlted
committed
Support for fancy indexing in CTable
FrancescAlted
committed
Better performance for monotonic indexing
FrancescAlted
committed
Add a new SChunk.reorder_offsets() API
FrancescAlted
committed

Commits on Apr 30, 2026

Bench upgrade
Jacc4224
committed
Index on b2z
Jacc4224
committed
Merge branch 'main' into ctable-varlen-cols
FrancescAlted
committed
Iter_sorted() added to CTable
Jacc4224
committed

Commits on May 1, 2026

Add compact CTable where expressions
FrancescAlted
committed
Improve CTable where expression ergonomics
FrancescAlted
committed
Add batch-wise CTable Parquet import and export
FrancescAlted
committed
Improving parquet roundtrip compat. Main changes:
FrancescAlted
committed
Preserve nullable scalar Parquet round-trips in CTable
FrancescAlted
committed
New script for general parquet import/export
FrancescAlted
committed

Commits on May 2, 2026

New list_batch_rows added to CTable.from_arrow_batches()
FrancescAlted
committed
Add CTable null policy and nullable schema support
FrancescAlted
committed
Add example on how to import the dataset
FrancescAlted
committed

Commits on May 3, 2026

Rename VLArray → ObjectArray (Phase 1)
FrancescAlted
committed
Add vlstring/vlbytes schema specs and CTable integration (Phases 2+3)
FrancescAlted
committed
Phase 4+5: vlstring/vlbytes Arrow/Parquet integration and cleanup
FrancescAlted
committed
Finalize CTable varlen scalar support
FrancescAlted
committed
Add the plan for the new ObjectArray class
FrancescAlted
committed

Commits on May 4, 2026

Unify CTable indexing around t[...]
FrancescAlted
committed
New parquet-to-blosc2 cli utility
FrancescAlted
committed
Speed up parquet import
FrancescAlted
committed
Add plan for improved getitem syntax for CTable and views
FrancescAlted
committed
New --max-rows to parquet-to-blosc2 CLI utility
FrancescAlted
committed
CTable.close() propagates now, while keeping suppression only in __del__
FrancescAlted
committed
Fix dict extend validation
FrancescAlted
committed
Add sort_by list-column alignment tests
FrancescAlted
committed

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