v4.1.6

What's Changed

• Optimize streaming DataFrame execution for 80% memory reduction by @auxten in #545

Full Changelog: v4.1.5...v4.1.6

v4.1.5

What's Changed

• Optimize count()/count_rows() to strip ORDER BY and use correct SQL for lazy ops by @auxten in #544

Full Changelog: v4.1.4...v4.1.5

v4.1.4

What's Changed

• Add chdb/init.py to prevent broken module after upgrade by @auxten in #543

Full Changelog: v4.1.3...v4.1.4

v4.1.3

What's Changed

• Add Get Started on Hex section to README by @auxten in #537
• Auto-detect ClickHouse Cloud secure connections by @auxten in #541
• Split agent skill into chdb-datastore and chdb-sql by @auxten in #542

Full Changelog: v4.1.2...v4.1.3

v4.1.2

What's Changed

• Improve metadata access for pristine DataStore sources by @auxten in #536

Full Changelog: v4.1.1...v4.1.2

v4.1.1

What's Changed

• Add chdb.datastore shim and fix chdb.version by @auxten in #535

Full Changelog: v4.1.0...v4.1.1

v4.1.0

What's Changed

• Upgrade dep to chdb-core v26.1.0 @wudidapaopao in https://github.com/chdb-io/chdb-core/releases/tag/v26.1.0
• Add AI Agent Skill for chdb multi-source data analytics by @auxten in #522
• Fix crash when exiting by @wudidapaopao in #524
• Add AI Agent Skill for chdb multi-source data analytics by @auxten in #526
• Decouple chdb package from chdb-core by @wudidapaopao in #528
• Remove C++ source, build system, and legacy files by @wudidapaopao in #529
• Fix profiling not recording data for remote SQL and metadata queries by @auxten in #530

Full Changelog: v4.0.2...v4.1.0

v4.0.2

What's Changed

• Enhance documentation with architecture overview and diagramChore/readme by @auxten in #512
• Introduce performance mode for performance optimization by @auxten in #518
• Enable base64 functions by @wudidapaopao in #515
• Support Pandas v3.0 by @wudidapaopao in #498
• Fix crash on multi refer Python(df) by @wudidapaopao in #504
• Support query progress reporting by @niyue in #509
• Remove GIL from string column scanning by @wudidapaopao in #517
• Isolate pybind11 internals to resolve torch import conflict by @wudidapaopao in #514
• Support pandas boolean columns with none by @wudidapaopao in #486

Full Changelog: v4.0.1...v4.0.2

v4.0.1

What's Changed

• Enhance DataStore documentation and import structure by @auxten in #499
• Add remote database support, timedelta64 type, and fix Python exit crashes by @auxten in #510

Full Changelog: v4.0.0...v4.0.1

v4.0.0

What's Changed

• Skip ci for draft pr by @wudidapaopao in #422
• Query results support direct output to Pandas DataFrames by @wudidapaopao in #415
• Support delta lake table function on linux arm platform by @wudidapaopao in #374
• Feat(docs): support generate markdown api docs. by @kafka1991 in #389
• Feat(parallel): Support parallel sql executed by @kafka1991 in #405
• Support cross-compilation for macOS by @wudidapaopao in #428
• Fix column missing issue in Pandas DataFrame output by @wudidapaopao in #432
• Fix bump version by @wudidapaopao in #433
• Skip storage stats test by @wudidapaopao in #434
• Fix memory tracker on macOS by @wudidapaopao in #435
• Skip unstable network url query tests on musl Linux by @wudidapaopao in #438
• Use self hosted test instance by @wudidapaopao in #425
• feat: add support for ClickHouse's query parameters in python binding by @niyue in #437
• Fix query dataframe with datetime type by @wudidapaopao in #444
• Fix delta lake test by @wudidapaopao in #445
• Fix the code signing issue for the macOS package by @wudidapaopao in #446
• feat: Support AI-assisted SQL generation via ClickHouse client integration by @niyue in #440
• Improve null handling for pandas DataFrame columns by @wudidapaopao in #453
• Cleanup unused files in package by @wudidapaopao in #449
• Hide symbol to reduce package size by @wudidapaopao in #441
• DataFrame output: omit timezone by default, NaN for float nulls by @wudidapaopao in #458
• Fix querying _row_number column in Parquet file by @wudidapaopao in #457
• Fix loss of nullability for DataFrame columns by @wudidapaopao in #464
• Fix concurrency issues in chDB concurrent queries by @wudidapaopao in #466
• Optimize performance of DataFrame string queries by @wudidapaopao in #468
• Enhance EmbeddedServer thread safety management by @wudidapaopao in #471
• Fix connection close issue by @auxten in #470
• Fix CI failure: test_query_in_thread (StorageURL incorrect distributed setup) by @wudidapaopao in #463
• Add _row_id virtual column for Pandas DataFrame by @wudidapaopao in #472
• Fix crash when closing connection by @wudidapaopao in #477
• Fix DataFrame output with binary type by @wudidapaopao in #481
• Disable sample probability in memory tracker by @wudidapaopao in #479
• Support querying on sliced DataFrame by @wudidapaopao in #480
• Support pandas StringDtype columns in DataFrame query by @wudidapaopao in #484
• Add chdb_client_name config option to identify chDB requests to remote ClickHouse by @wudidapaopao in #495
• Support for querying on Pandas Categorical columns by @wudidapaopao in #490
• Remove musllinux build pipeline by @auxten in #497
• Add DataStore - Pandas-compatible API with automatic SQL generation by @auxten in #496

New Contributors

• @niyue made their first contribution in #437

Full Changelog: v3.7.2...v4.0.0