v0.9.5

Release date: October 18, 2024

Highlights

• Enhanced support for geo-related functions: #4770, #4823, #4798
• Expanded support for JSON functions: #4807
• Fixed panic issue in union all queries: #4796

Breaking changes

• feat!: move v1/prof API to debug/prof by @evenyag in #4810
• feat!: implement interval type by multiple structs by @evenyag in #4772

🚀 Features

• feat: protect datanode with concurrency limit. by @lyang24 in #4699
• feat: add region_statistics table by @WenyXu in #4771
• feat(mito): limit compaction output file size by @v0y4g3r in #4754
• feat: add a new status code for "external" errors by @MichaelScofield in #4775
• feat: unordered scanner scans data by time ranges by @evenyag in #4757
• feat: add StatementStatistics for slow query logging implementation by @zyy17 in #4719
• feat: support to reject write after flushing by @WenyXu in #4759
• feat: add add_handler_after, add_handler_before, replace_handler by @WenyXu in #4788
• feat: customize channel information for sqlness tests by @J0HN50N133 in #4729
• feat: set max log files to 720 by default, info log only by @Kev1n8 in #4787
• feat: introduce HeartbeatHandlerGroupBuilderCustomizer by @WenyXu in #4803
• feat: add function to aggregate path into a geojson path by @sunng87 in #4798
• feat: add json format output for http interface by @Kev1n8 in #4797
• feat: Merge sort Logical plan by @discord9 in #4768
• feat: json_path_exists udf by @CookiePieWw in #4807
• feat: expose RegionMigrationManagerRef by @WenyXu in #4812
• feat: information extension by @fengjiachun in #4811
• feat: introduce LeadershipChangeNotifier and LeadershipChangeListener by @WenyXu in #4817
• feat: add more h3 functions by @sunng87 in #4770
• feat: remove the distributed lock by @fengjiachun in #4825
• feat: enable prof features by default by @evenyag in #4815
• feat: cache logical region's metadata by @waynexia in #4827
• feat: defer HeartbeatHandlerGroup construction and enhance LeadershipChangeNotifier by @WenyXu in #4826
• feat: add some s2 geo functions by @sunng87 in #4823
• feat: introduce default customizers by @WenyXu in #4831

🐛 Bug Fixes

• fix: use information_schema returns Unknown database by @J0HN50N133 in #4774
• fix: dead loop on detecting postgres ssl handshake by @sunng87 in #4778
• fix: update pgwire for potential issue with connection establish by @sunng87 in #4783
• fix(sqlness): sqlness isolation by @v0y4g3r in #4780
• fix: ts conversion during transform phase by @shuiyisong in #4790
• fix: Panic in UNION ALL queries by @v0y4g3r in #4796
• fix: error in admin function is not formatted properly by @waynexia in #4820
• fix: correct table name formatting by @WenyXu in #4819
• fix: case sensitive for field matcher by @waynexia in #4822

🚜 Refactor

• refactor: Change the error type in the pipeline crate from String to Error by @paomian in #4763
• refactor: introduce HeartbeatHandlerGroupBuilder by @WenyXu in #4785
• refactor: change sqlness ports to avoid conflict with local instance by @sunng87 in #4794
• refactor: replace info logs with debug logs in region server by @waynexia in #4829

📚 Documentation

• docs: add TM to logos by @evenyag in #4789

⚙️ Miscellaneous Tasks

• chore: make sure aws-lc-sys wouldn't be built by @discord9 in #4767
• chore: replace anymap with anymap2 by @v0y4g3r in #4781
• chore: add json write by @paomian in #4744
• chore: bump promql-parser to v0.4.1 and use to_string() for EvalStmt by @zyy17 in #4832
• chore: bump version v0.9.4 by @discord9 in #4833

New Contributors

• @Kev1n8 made their first contribution in #4797

All Contributors

We would like to thank the following contributors from the GreptimeDB community:

@CookiePieWw, @J0HN50N133, @Kev1n8, @MichaelScofield, @WenyXu, @discord9, @evenyag, @fengjiachun, @lyang24, @paomian, @shuiyisong, @sunng87, @v0y4g3r, @waynexia, @zyy17