Release v0.2.0

What's Changed

Features

• feat: flush all tables on shutdown by @waynexia in #1185
• feat: execute "delete" in query engine (in the form of "LogicalPlan") by @MichaelScofield in #1222
• feat: metasrv collects datanode heartbeats for region failure detection by @MichaelScofield in #1214
• feat: slicing PyVector&Create DataFrame from sql by @discord9 in #1190
• feat: region manifest checkpoint by @killme2008 in #1202
• feat: embed dashboard into GreptimeDB binary by @MichaelScofield in #1239
• feat: adopt pgwire 0.12 and simplify encoding apis by @sunng87 in #1250
• feat: add dbname and health check for grpc api by @sunng87 in #1220
• feat: upgrade opendal by @v0y4g3r in #1245
• feat: impl BatchDelete by @shuiyisong in #1253
• feat: Support sending multiple affected rows by @evenyag in #1203
• feat: implelemt rate, increase and delta in PromQL by @waynexia in #1258
• feat: Create SECURITY.md by @xtang in #1270
• feat: implement create external table parser by @WenyXu in #1252
• feat: unify describe table execution by @MichaelScofield in #1285
• feat: implement restart argument for sqlness-runner by @waynexia in #1262
• feat: Implement procedure to alter a table for mito engine by @evenyag in #1259
• feat: start LocalManager in Metasrv by @MichaelScofield in #1279
• feat: buffered parquet writer by @v0y4g3r in #1263
• feat: impl quantile_over_time function by @waynexia in #1287
• feat: execute python script in distributed mode by @MichaelScofield in #1264
• feat: implement stdvar_over_time function by @haohuaijin in #1291
• feat(resets): add initial implementation by @etolbakov in #1306
• feat(changes): add initial implementation by @etolbakov in #1304
• feat: support multi table engines by @WenyXu in #1277
• feat: support multi table engines in distributed mode by @WenyXu in #1316
• feat: impl __field__ special matcher to project value columns by @waynexia in #1320
• feat: try to do manifest checkpoint on opening region by @killme2008 in #1321
• feat: implement deriv function by @haohuaijin in #1324
• feat: initial changes for compaction_time_window field support by @etolbakov in #1083
• feat: support timestamp precision on creating table by @v0y4g3r in #1332
• feat: information schema by @MichaelScofield in #1327
• feat: ignoring time zone info when import from external files by @v0y4g3r in #1341
• feat: introduce file table engine by @WenyXu in #1323
• feat: implement infer schema from single file by @WenyXu in #1348
• feat(promql): add holt_winters initial implementation by @etolbakov in #1342
• feat: update dashboard to v0.1.0 by @ZonaHex in #1370
• feat: benchmark some python script by @discord9 in #1356
• feat: from/to numpy&collect concat by @discord9 in #1339
• feat: Add alter table procedure by @evenyag in #1354
• feat: Add drop table procedure to mito by @evenyag in #1377
• feat: add some metrics by @v0y4g3r in #1384
• feat: implement predict_linear function in promql by @haohuaijin in #1362

Fixes

• fix: range func tests by @waynexia in #1221
• fix: Holds FileHandle in ParquetReader to avoid the purger purges it by @evenyag in #1224
• fix: allow larger compaction window to reduce parallel task num by @v0y4g3r in #1223
• fix: skip empty parquet by @v0y4g3r in #1236
• fix: noop flush impl for numbers table by @v0y4g3r in #1247
• fix: set locals to main.dict too by @discord9 in #1242
• fix: a minor misuse of tokio::select by @MichaelScofield in #1266
• fix: Adds FileHandle to ChunkStream by @evenyag in #1255
• fix: remove backtrace from ratelimit error by @v0y4g3r in #1273
• fix: nyc-taxi bench tools and limit max parallel compaction task number by @waynexia in #1275
• fix: checkpoint fails when deleting old logs fails by @killme2008 in #1300
• fix: unit test fails when try to copy table to s3 and copy back by @v0y4g3r in #1302
• fix: update sqlness result by @waynexia in #1328
• fix: stream inserts when copying from external file by @v0y4g3r in #1338
• fix: lots of corner cases in PromQL by @waynexia in #1345
• fix: avoid panic when no region found in table by @v0y4g3r in #1359
• fix: update cargo lock by @v0y4g3r in #1375
• fix: concurrent rename two table to same name may cause override by @v0y4g3r in #1368
• fix: compile error in develop branch by @waynexia in #1376

Breaking changes

• feat!: improve region manifest service by @killme2008 in #1268
• feat!: parsing local timestamp by @v0y4g3r in #1352
• fix!: not allowed to create column name same with keyword without quoted by @MichaelScofield in #1333

Others

• build: specify clippy denies in cargo config by @waynexia in #1351
• chore(deps): bump arrow and parquet to 36.0.0, and datafusion to the latest by @waynexia in #1282
• chore: add build_table_route_prefix by @shuiyisong in #1269
• chore: add http metrics server in datanode node when greptime start in distributed mode by @paomian in #1256
• chore: amend fmt-toml by @WenyXu in #1347
• chore: bump arrow, parquet, datafusion and tonic by @waynexia in #1386
• chore: fix clippy by @WenyXu in #1387
• chore: ignore dashboard files by @shuiyisong in #1260
• chore: improve opendal layers by @killme2008 in #1295
• chore: minor fix about metrics component by @paomian in #1322
• chore: query prom using input query context by @shuiyisong in #1381
• chore: readme by @killme2008 in #1318
• chore: rename params in flush api by @killme2008 in #1213
• chore: set keep lease heartbeat log level to trace by @paomian in #1364
• chore: set metasrv and datanode heartbeat log level to trace by @paomian in #1357
• chore: switch mysql_async to git dep by @sunng87 in #1383
• chore: tweak logs by @killme2008 in #1314
• chore: update pgwire and rustls libraries by @sunng87 in #1380
• ci: install python requests lib in release container image by @zyy17 in #1241
• ci: modify the copy path of binary artifacts by @zyy17 in #1257
• ci: only builds binaries for manually trigger workflow by @zyy17 in #1284
• ci: release binary with embedded dashboard enabled by @MichaelScofield in #1283
• docs: file external table RFC by @WenyXu in #1274
• docs: treat slack as the first-class citizen by @WenyXu in #1361
• docs: update document string and site by @waynexia in #1211
• docs: use CDN for logos by @waynexia in #1219
• feat(stddev_over_time): add initial implementation by @etolbakov in #1289
• feat(to_unixtime): add initial implementation by @etolbakov in #1186
• refactor(error): remove backtrace, and introduce call-site location for debugging by @waynexia in #1329
• refactor: add disable_dashboard option and disable dashboard in metasrv and datanode by @zyy17 in #1343
• refactor: execute insert with select in query engine by @MichaelScofield in #1181
• refactor: make sql function in scripts return a list of column vectors by @killme2008 in #1243
• refactor: merge authenticate and authorize api by @shuiyisong in #1360
• refactor: move PromQL execution to Frontend by @MichaelScofield in #1297
• refactor: rename "value" semantic type to "field" by @waynexia in #1326
• refactor: scripts perf and metrics by @killme2008 in #1261
• refactor: unify the execution of show stmt by @MichaelScofield in #1340
• test: add "numbers" table in distributed mode by @MichaelScofield in #1374
• test: add tests for file table engine by @WenyXu in #1353
• test: align RsPy PyO3 Behavior by @discord9 in #1280

New Contributors

• @haohuaijin made their first contribution in #1291
• @ZonaHex made their first contribution in #1370

Full Changelog: v0.1.2...v0.2.0