v0.9.1

Release date: August 02, 2024

This is a patch release, containing some important bug fixes:

• #4447: Full-text search may miss some rows when a full-text index is applied.
• #4476: Data ingestion can stall due to missing notifications.

It's highly recommended to upgrade to this version if you're using v0.9.0.

Breaking changes

• refactor!: Remove Mode from FrontendOptions by @zyy17 in #4401

🚀 Features

• feat: FLOWS table in information_schema&SHOW FLOWS by @discord9 in #4386
• feat: export database data by @fengjiachun in #4382
• feat(flow): flush_flow function by @discord9 in #4416
• feat: support pg_namespace, pg_class and related psql command by @J0HN50N133 in #4428
• feat: show root cause and db name on the error line by @sunng87 in #4442
• feat: track prometheus HTTP API's query latency by @waynexia in #4458
• feat: support setting time range in Copy From statement by @realtaobo in #4405
• feat: remove dedicated runtime for grpc, mysql and pg protocols by @waynexia in #4436
• feat: default export catalog name by @fengjiachun in #4464
• feat: track channels with query context and w/rcu by @sunng87 in #4448
• feat: hint options for gRPC insert by @fengjiachun in #4454
• feat: improve extract hints by @fengjiachun in #4479
• feat: export all schemas and data at once in export tool by @fengjiachun in #4478
• feat: time poll elapsed for RegionScan plan by @waynexia in #4482
• feat: update dashboard to v0.5.4 by @ZonaHex in #4483
• feat(compaction): add file number limits to TWCS compaction by @v0y4g3r in #4481
• feat: enlarge default page cache size by @evenyag in #4490

🐛 Bug Fixes

• fix: ensure keep alive is completed in time by @WenyXu in #4349
• fix: user provider can't be configured by config file or environment variables by @zyy17 in #4398
• fix: dictionary key type use u32 by @evenyag in #4396
• fix(wal): handle WAL deletion on region drop by @v0y4g3r in #4400
• fix: add back AuthBackend which is required by custom auth backend by @sunng87 in #4409
• fix(fulltext-index): clean up 0-value timer by @zhongzc in #4423
• fix(metrics): RowGroupLastRowCachedReader metrics by @v0y4g3r in #4418
• fix: information_schema tables and views column value by @killme2008 in #4438
• fix: remove to_timezone function by @killme2008 in #4439
• fix: use heartbeat runtime instead of background runtime by @WenyXu in #4445
• fix(fulltext-search): prune rows in row group forget to take remainder by @zhongzc in #4447
• fix: use status code to http status mapping in error IntoResponse by @shuiyisong in #4455
• fix: missing pre_write check on prometheus remote write by @shuiyisong in #4460
• fix: check_partition uses unqualified name by @waynexia in #4452
• fix: overflow when parsing default value with negative numbers by @killme2008 in #4459
• fix: prometheus api only returns 200 by @shuiyisong in #4471
• fix: generate unique timestamp for inserting tests by @WenyXu in #4472
• fix: notify flush receiver after write buffer is released by @evenyag in #4476
• fix: avoid total size overflow by @evenyag in #4487

🚜 Refactor

• refactor: add &mut Plugins argument in plugins setup api and remove unnecessary mut by @zyy17 in #4389
• refactor: add get_storage_path() and get_catalog_and_schema() by @zyy17 in #4397
• refactor(query): Remove PhysicalPlanner trait by @leaf-potato in #4412
• refactor: Remove PhysicalOptimizer and LogicalOptimizer trait by @leaf-potato in #4426
• refactor: add RetryInterceptor to print detailed error by @zyy17 in #4434
• refactor(servers): improve postgres error message by @leaf-potato in #4463

📚 Documentation

• docs(common_error): format enum StatusCode docs by @leaf-potato in #4427
• docs: update readme by @killme2008 in #4430
• docs: update readme by @killme2008 in #4431
• docs: update project status by @killme2008 in #4440
• docs: tweak readme by @killme2008 in #4465
• docs(contributing): replace expired links by @leaf-potato in #4468

⚡ Performance

• perf: reduce lock scope and improve log by @evenyag in #4453

⚙️ Miscellaneous Tasks

• chore: support pattern as pipeline key name by @shuiyisong in #4368
• ci: disable auto review by @evenyag in #4387
• chore: add metrics for log ingestion by @shuiyisong in #4411
• chore: add a compile cfg for python in cmd package by @discord9 in #4406
• chore: update grafana dashboard to reflect recent metric changes by @waynexia in #4417
• chore: add docs for config file by @WenyXu in #4432
• chore: add dynamic cache size adjustment for InvertedIndexConfig by @v0y4g3r in #4433
• chore: temporarily disable fuzz chaos tests by @WenyXu in #4457
• ci: keep sqlness log by default by @evenyag in #4449
• chore: add more metrics about parquet and cache by @MichaelScofield in #4410
• chore(ci): bring back chaos tests by @WenyXu in #4456
• ci: make docker image args configurable from env vars by @zyy17 in #4484
• chore: bump version v0.9.1 by @v0y4g3r in #4486

New Contributors

• @leaf-potato made their first contribution in #4468

All Contributors

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

@J0HN50N133, @MichaelScofield, @WenyXu, @ZonaHex, @discord9, @evenyag, @fengjiachun, @killme2008, @leaf-potato, @realtaobo, @shuiyisong, @sunng87, @v0y4g3r, @waynexia, @zhongzc, @zyy17