0.3.0

What's changed

🚀 Features

• Define Hudi error types across hudi-core (#124) by @gohalo
• Support filter pushdown for datafusion (#203) by @jonathanc-n
• Add demo app and integration tests (#226) by @xushiyan
• Add TimelineSelector to support timeline loading (#233) by @xushiyan
• Add hoodie.read.listing.parallelism config (#235) by @xushiyan
• Support row filters for FileGroupReader (#237) by @xushiyan
• Implement incremental query for COW tables (#236) by @xushiyan
• Implement log file reader for parquet log block (#244) by @xushiyan
• Implement basic record merge semantics (#249) by @xushiyan
• Add APIs for MOR snapshot reads (#247) by @xushiyan
• Support time travel query for MOR tables (#256) by @xushiyan
• Support incremental read MOR tables (#258) by @xushiyan
• Support MOR read-optimized query (#259) by @xushiyan
• Support reading MOR with rollback (#264) by @xushiyan
• Align python table APIs with rust (#267) by @xushiyan
• Add APIs to support incremental query impl (#272) by @xushiyan

🐛 Bug Fixes

• Simplify partition filter format by taking tuple of strings (#170) by @kazdy
• Improve api to get file slices splits (#185) by @xushiyan
• Handle schema retrieval for datafusion api (#187) by @xushiyan
• Include commit_seqno for merge order (#250) by @xushiyan
• Format Hudi config enum should show the full config key (#254) by @Kunal-Singh-Dadhwal
• Derive record merge strategy based on table configs (#260) by @xushiyan
• Handle as-of timestamp for excluding file groups (#268) by @xushiyan
• Build up incremental file groups (#273) by @xushiyan

🚜 Refactor

• Reorganize custom error types (#215) by @xushiyan
• Add API stubs for performing incremental queries (#220) by @xushiyan
• Enhance Filter and related structs (#221) by @xushiyan
• Improve TimelineSelector API (#234) by @xushiyan
• Improve BaseFile APIs (#239) by @xushiyan
• Improve file system view's listing flow (#251) by @xushiyan
• Use static MetaField schema for incr query (#252) by @xushiyan
• Rename crate hudi-tests to hudi-test (#262) by @xushiyan
• Remove use of Filter from public APIs (#266) by @xushiyan

📚 Documentation

• Update README examples (#194) by @xushiyan
• Update release and dev guides (#195) by @xushiyan
• Add example to hudi-datafusion crate (#202) by @jonathanc-n
• Add CREATE EXTERNAL TABLE example in datafusion crate (#213) by @jonathanc-n
• Clarify issues in the dev guide (#224) by @xushiyan
• Add in-code docs for FileGroup (#269) by @xushiyan
• Update README.md to show table API examples (#274) by @xushiyan

🛠️ Build

• (deps) Bump codecov/codecov-action from 4 to 5 (#184) by @dependabot[bot]
• (deps) Upgrade datafusion and object store (#182) by @kazdy
• (deps) Upgrade datafusion to 42.2.0 (#192) by @xushiyan
• (deps) Upgrade Datafusion, Arrow, and Rust versions (#197) by @jonathanc-n
• (deps) Update pyo3 requirement from 0.22.2 to 0.22.4 (#212) by @jonathanc-n
• (deps) Clean up dependencies (#240) by @xushiyan
• (dep) Upgrade rustc, arrow, and tarpaulin setting (#276) by @xushiyan

⚙️ Miscellaneous Tasks

• Update release script and guide (#200) by @xushiyan
• Update changelog for 0.2.0 (#201) by @xushiyan
• Update pull request guidelines for contributors (#204) by @jonathanc-n
• Add more dev commands and update the project's short description (#217) by @xushiyan
• Update codecov threshold (#222) by @xushiyan
• Update codecov config (#245) by @xushiyan
• Update codecov-action to v5 (#248) by @K-dash
• (ci) Add rust dependency caching with rust-cache action (#265) by @K-dash
• Fix src verify script (#279)
• Update release guide and issue templates (#282)

New Contributors

• @K-dash made their first contribution in #265

• @Kunal-Singh-Dadhwal made their first contribution in #254

• @jonathanc-n made their first contribution in #203