Alex Owens

Known remaining work. Replace checkbox text with link to individual issues when they are being actively worked on. - [ ] Support column slicing, and re-slicing to a new columns-per-segment...

Known remaining work. Replace checkbox text with link to individual issues when they are being actively worked on. - [ ] Use column stats to eliminate unnecessary IOs with the...

To be rebased after #1860 is merged #### Reference Issues/PRs Closes #1830

To be rebased after #1834 is merged #### Reference Issues/PRs Closes #1721 Closes #245 ### Performance: Benchmarked using 8 cores, with mimalloc preloaded, and lmdb as the storage backend Data...

Minimal repro: ``` def test_resample_multiindex(lmdb_version_store_v1): lib = lmdb_version_store_v1 sym = "test_resample_multiindex" df = pd.DataFrame( data={ "a": [2, 3], "b": [4, 5], }, index=pd.MultiIndex.from_arrays([[pd.Timestamp("2024-01-01"), pd.Timestamp("2024-01-02")], [0, 1]], names=["datetime", "sequence number"]) )...

Seen across multiple recent branches working on: - ENTT refactor - Sort-merge fixes - Chunking API (Python-only change) Implying that the issue is in `master` as well.

#### Reference Issues/PRs Closes #1833 #### What does this implement or fix? Introduces ENTT as the underlying datastore for entities in the `ComponentManager`

``` ==================================== ERRORS ==================================== _______________ ERROR at setup of test_add_to_snapshot_atomicity _______________ [gw1] linux -- Python 3.10.14 /home/runner/micromamba/envs/arcticdb/bin/python self = def _new_conn(self) -> socket.socket: """Establish a socket connection and set nodelay...