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# Changelog

## [48.0.0](https://github.com/apache/datafusion-ballista/tree/48.0.0) (2025-07-30)

[Full Changelog](https://github.com/apache/datafusion-ballista/compare/47.0.0...48.0.0)

**Fixed bugs:**

- fix: devcontainer protoc:1 feature url [#1278](https://github.com/apache/datafusion-ballista/pull/1278) (Almaz-KG)
- fix: change code to support rust 2024 [#1283](https://github.com/apache/datafusion-ballista/pull/1283) (milenkovicm)
- fix: remove configure_me [#1282](https://github.com/apache/datafusion-ballista/pull/1282) (milenkovicm)

**Documentation updates:**

- chore: update datafusion to 48 [#1270](https://github.com/apache/datafusion-ballista/pull/1270) (milenkovicm)
- docs: Apply method chaining in example [#1276](https://github.com/apache/datafusion-ballista/pull/1276) (0ne-stone)

**Merged pull requests:**

- chore: update datafusion to 48 [#1270](https://github.com/apache/datafusion-ballista/pull/1270) (milenkovicm)
- docs: Apply method chaining in example [#1276](https://github.com/apache/datafusion-ballista/pull/1276) (0ne-stone)
- fix: devcontainer protoc:1 feature url [#1278](https://github.com/apache/datafusion-ballista/pull/1278) (Almaz-KG)
- improve rust workflows without cache [#1275](https://github.com/apache/datafusion-ballista/pull/1275) (Huy1Ng)
- fix: change code to support rust 2024 [#1283](https://github.com/apache/datafusion-ballista/pull/1283) (milenkovicm)
- fix: remove configure_me [#1282](https://github.com/apache/datafusion-ballista/pull/1282) (milenkovicm)
- chore: update python module to latest ballista release (v.47) [#1279](https://github.com/apache/datafusion-ballista/pull/1279) (milenkovicm)
- chore: update datafusion to 48.0.1 [#1284](https://github.com/apache/datafusion-ballista/pull/1284) (milenkovicm)

## [47.0.0](https://github.com/apache/datafusion-ballista/tree/47.0.0) (2025-06-15)

[Full Changelog](https://github.com/apache/datafusion-ballista/compare/46.0.0...47.0.0)

**Implemented enhancements:**

- feat: expose submit and cancel job methods as public in scheduler [#1260](https://github.com/apache/datafusion-ballista/pull/1260) (milenkovicm)
- feat: split scheduler gprc creation [#1261](https://github.com/apache/datafusion-ballista/pull/1261) (milenkovicm)
- feat: expose cluster state notifications [#1263](https://github.com/apache/datafusion-ballista/pull/1263) (milenkovicm)
- feat: remove `ClusterStorageConfig` as it is redundant [#1265](https://github.com/apache/datafusion-ballista/pull/1265) (milenkovicm)
- feat: disable task stage plan binary cache [#1266](https://github.com/apache/datafusion-ballista/pull/1266) (milenkovicm)
- feat: `ClusterState` does not cache session contexts [#1226](https://github.com/apache/datafusion-ballista/pull/1226) (milenkovicm)

**Fixed bugs:**

- fix: clippy issue after rust update to 1.87 [#1262](https://github.com/apache/datafusion-ballista/pull/1262) (milenkovicm)
- fix: fix tests failing on windows [#1273](https://github.com/apache/datafusion-ballista/pull/1273) (Huy1Ng)

**Merged pull requests:**

- fix: clippy issue after rust update to 1.87 [#1262](https://github.com/apache/datafusion-ballista/pull/1262) (milenkovicm)
- feat: expose submit and cancel job methods as public in scheduler [#1260](https://github.com/apache/datafusion-ballista/pull/1260) (milenkovicm)
- feat: split scheduler gprc creation [#1261](https://github.com/apache/datafusion-ballista/pull/1261) (milenkovicm)
- feat: expose cluster state notifications [#1263](https://github.com/apache/datafusion-ballista/pull/1263) (milenkovicm)
- minor: release docker on when release has been tagged [#1264](https://github.com/apache/datafusion-ballista/pull/1264) (milenkovicm)
- feat: remove `ClusterStorageConfig` as it is redundant [#1265](https://github.com/apache/datafusion-ballista/pull/1265) (milenkovicm)
- feat: disable task stage plan binary cache [#1266](https://github.com/apache/datafusion-ballista/pull/1266) (milenkovicm)
- feat: `ClusterState` does not cache session contexts [#1226](https://github.com/apache/datafusion-ballista/pull/1226) (milenkovicm)
- chore(deps): update to datafusion 47.0.0 [#1250](https://github.com/apache/datafusion-ballista/pull/1250) (milenkovicm)

## [46.0.0](https://github.com/apache/datafusion-ballista/tree/46.0.0) (2025-05-05)

[Full Changelog](https://github.com/apache/datafusion-ballista/compare/45.0.0...46.0.0)

**Implemented enhancements:**

- feat: make task distribution policies pluggable  [#1243](https://github.com/apache/datafusion-ballista/pull/1243) (milenkovicm)
- feat: remove flight-sql from scheduler [#1228](https://github.com/apache/datafusion-ballista/pull/1228) (milenkovicm)
- feat: ballista client collects (few) metrics [#1251](https://github.com/apache/datafusion-ballista/pull/1251) (milenkovicm)
- feat: make execution_graph.stages()  public [#1256](https://github.com/apache/datafusion-ballista/pull/1256) (milenkovicm)

**Fixed bugs:**

- fix: executor can't read s3 config in push-staged mode [#1236](https://github.com/apache/datafusion-ballista/pull/1236) (mmooyyii)

**Merged pull requests:**

- chore: Remove some arrow references [#1232](https://github.com/apache/datafusion-ballista/pull/1232) (andygrove)
- chore: remove unused executor configuration option [#1229](https://github.com/apache/datafusion-ballista/pull/1229) (milenkovicm)
- chore: return `404` for api requests if path does not exist [#1224](https://github.com/apache/datafusion-ballista/pull/1224) (milenkovicm)
- chore(ci): replace `actions-rs` which are deprecated  [#1222](https://github.com/apache/datafusion-ballista/pull/1222) (milenkovicm)
- minor: Decouple `ExecutionGraph` and `DistributedPlanner` [#1221](https://github.com/apache/datafusion-ballista/pull/1221) (milenkovicm)
- chore: update datafusion to 46 [#1201](https://github.com/apache/datafusion-ballista/pull/1201) (milenkovicm)
- chore(deps): bump crossbeam-channel from 0.5.14 to 0.5.15 [#1233](https://github.com/apache/datafusion-ballista/pull/1233) (dependabot[bot])
- chore(deps): bump tokio from 1.44.1 to 1.44.2 [#1234](https://github.com/apache/datafusion-ballista/pull/1234) (dependabot[bot])
- fix: executor can't read s3 config in push-staged mode [#1236](https://github.com/apache/datafusion-ballista/pull/1236) (mmooyyii)
- chore: update python deps to 45 [#1240](https://github.com/apache/datafusion-ballista/pull/1240) (milenkovicm)
- Add S3 object store support to executor and scheduler [#1230](https://github.com/apache/datafusion-ballista/pull/1230) (milenkovicm)
- feat: make task distribution policies pluggable  [#1243](https://github.com/apache/datafusion-ballista/pull/1243) (milenkovicm)
- chore: reduce log levels for few log statements [#1237](https://github.com/apache/datafusion-ballista/pull/1237) (milenkovicm)
- chore(deps): bump crossbeam-channel from 0.5.14 to 0.5.15 in /python [#1244](https://github.com/apache/datafusion-ballista/pull/1244) (dependabot[bot])
- feat: remove flight-sql from scheduler [#1228](https://github.com/apache/datafusion-ballista/pull/1228) (milenkovicm)
- minor: `executor_shutdown_while_running` test has race condition [#1248](https://github.com/apache/datafusion-ballista/pull/1248) (milenkovicm)
- bug: build fails with `--no-default-features` [#1255](https://github.com/apache/datafusion-ballista/pull/1255) (milenkovicm)
- doc: update architectural diagram [#1253](https://github.com/apache/datafusion-ballista/pull/1253) (milenkovicm)
- feat: ballista client collects (few) metrics [#1251](https://github.com/apache/datafusion-ballista/pull/1251) (milenkovicm)
- chore: add read/write roundtrip tests [#1249](https://github.com/apache/datafusion-ballista/pull/1249) (milenkovicm)
- minor: change log level for object store creation [#1247](https://github.com/apache/datafusion-ballista/pull/1247) (milenkovicm)
- feat: make execution_graph.stages()  public [#1256](https://github.com/apache/datafusion-ballista/pull/1256) (milenkovicm)

## [45.0.0](https://github.com/apache/datafusion-ballista/tree/45.0.0) (2025-03-30)

[Full Changelog](https://github.com/apache/datafusion-ballista/compare/44.0.0...45.0.0)

**Implemented enhancements:**

- feat: improve executor logs [#1187](https://github.com/apache/datafusion-ballista/pull/1187) (milenkovicm)
- feat: publish docker containers for executor and scheduler  [#1200](https://github.com/apache/datafusion-ballista/pull/1200) (milenkovicm)

**Merged pull requests:**

- chore: minor release script fix [#1192](https://github.com/apache/datafusion-ballista/pull/1192) (andygrove)
- feat: improve executor logs [#1187](https://github.com/apache/datafusion-ballista/pull/1187) (milenkovicm)
- chore: update datafusion to v45 [#1176](https://github.com/apache/datafusion-ballista/pull/1176) (milenkovicm)
- chore: Update changelog for 44.0.0 [#1191](https://github.com/apache/datafusion-ballista/pull/1191) (andygrove)
- minor: fix repo and homepage url in `cargo.toml` [#1196](https://github.com/apache/datafusion-ballista/pull/1196) (milenkovicm)
- chore(deps): bump ring from 0.17.11 to 0.17.13 [#1199](https://github.com/apache/datafusion-ballista/pull/1199) (dependabot[bot])
- feat: publish docker containers for executor and scheduler  [#1200](https://github.com/apache/datafusion-ballista/pull/1200) (milenkovicm)
- minor: make `graphviz-rust` dependency optional [#1203](https://github.com/apache/datafusion-ballista/pull/1203) (milenkovicm)
- doc: update docker related documentation [#1204](https://github.com/apache/datafusion-ballista/pull/1204) (milenkovicm)
- chore: update python dependencies [#1197](https://github.com/apache/datafusion-ballista/pull/1197) (milenkovicm)
- chore(deps): bump ring from 0.17.8 to 0.17.14 in /python [#1206](https://github.com/apache/datafusion-ballista/pull/1206) (dependabot[bot])
- doc: remove arrow from doc title [#1207](https://github.com/apache/datafusion-ballista/pull/1207) (milenkovicm)
- Fix unit tests in tpch.rs [#1195](https://github.com/apache/datafusion-ballista/pull/1195) (vmingchen)
- documentation :: quick-start.md sample source code correction [#1213](https://github.com/apache/datafusion-ballista/pull/1213) (nj7)
- doc: fix quick-start executor command [#1217](https://github.com/apache/datafusion-ballista/pull/1217) (westhide)

## [44.0.0](https://github.com/apache/datafusion-ballista/tree/44.0.0) (2025-03-01)

[Full Changelog](https://github.com/apache/datafusion-ballista/compare/43.0.0...44.0.0)

**Implemented enhancements:**

- feat: Job notification should emit job status for successful and failed jobs [#1165](https://github.com/apache/datafusion-ballista/pull/1165) (milenkovicm)
- feat: executor supports pluggable arrow flight server [#1170](https://github.com/apache/datafusion-ballista/pull/1170) (milenkovicm)
- feat: notify scheduler when a task fails [#1181](https://github.com/apache/datafusion-ballista/pull/1181) (milenkovicm)
- feat: configure max grpc message size and disable view types in ballista [#1185](https://github.com/apache/datafusion-ballista/pull/1185) (milenkovicm)

**Fixed bugs:**

- fix: do not compile `keda.proto` if feature not used. [#1168](https://github.com/apache/datafusion-ballista/pull/1168) (milenkovicm)
- fix: rest api `/api/executors` does not show executors if `TaskSchedulingPolicy::PullStaged` [#1175](https://github.com/apache/datafusion-ballista/pull/1175) (milenkovicm)

**Documentation updates:**

- doc: update ballista client front page [#1171](https://github.com/apache/datafusion-ballista/pull/1171) (milenkovicm)

**Merged pull requests:**

- chore: planner cleanup and refactor [#1160](https://github.com/apache/datafusion-ballista/pull/1160) (milenkovicm)
- feat: Job notification should emit job status for successful and failed jobs [#1165](https://github.com/apache/datafusion-ballista/pull/1165) (milenkovicm)
- chore: fix executor build issue on release [#1167](https://github.com/apache/datafusion-ballista/pull/1167) (milenkovicm)
- fix: do not compile `keda.proto` if feature not used. [#1168](https://github.com/apache/datafusion-ballista/pull/1168) (milenkovicm)
- chore: update to DF.44 [#1153](https://github.com/apache/datafusion-ballista/pull/1153) (milenkovicm)
- chore: publicly expose datafusion in ballista client [#1169](https://github.com/apache/datafusion-ballista/pull/1169) (milenkovicm)
- feat: executor supports pluggable arrow flight server [#1170](https://github.com/apache/datafusion-ballista/pull/1170) (milenkovicm)
- doc: update ballista client front page [#1171](https://github.com/apache/datafusion-ballista/pull/1171) (milenkovicm)
- fix: rest api `/api/executors` does not show executors if `TaskSchedulingPolicy::PullStaged` [#1175](https://github.com/apache/datafusion-ballista/pull/1175) (milenkovicm)
- chore: generate change log for 44.0.0 [#1173](https://github.com/apache/datafusion-ballista/pull/1173) (milenkovicm)
- feat: notify scheduler when a task fails [#1181](https://github.com/apache/datafusion-ballista/pull/1181) (milenkovicm)
- feat: configure max grpc message size and disable view types in ballista [#1185](https://github.com/apache/datafusion-ballista/pull/1185) (milenkovicm)
- chore: fix tpch data generator [#1186](https://github.com/apache/datafusion-ballista/pull/1186) (milenkovicm)
- chore: fix clippy after rust 1.85 update [#1188](https://github.com/apache/datafusion-ballista/pull/1188) (milenkovicm)
- chore: commit `Cargo.lock` file to make builds more predictable [#1190](https://github.com/apache/datafusion-ballista/pull/1190) (milenkovicm)

## [43.0.0](<https://github.com/apache/datafusion-ballista/tree/43.0.0-rc2> (2025-01-07)

[Full Changelog](https://github.com/apache/datafusion-ballista/compare/0.12.0...43.0.0-rc2)

**Implemented enhancements:**

- feat: make max message size configurable for gRPC clients [#983](https://github.com/apache/datafusion-ballista/pull/983) (etolbakov)
- feat: Upgrade to DataFusion 38 [#1048](https://github.com/apache/datafusion-ballista/pull/1048) (andygrove)
- feat: Upgrade to DataFusion 39.0.0 [#1052](https://github.com/apache/datafusion-ballista/pull/1052) (andygrove)
- feat: default instance for executor configuration [#1147](https://github.com/apache/datafusion-ballista/pull/1147) (milenkovicm)
- feat: Expose Ballista Scheduler and Executor in Python [#1148](https://github.com/apache/datafusion-ballista/pull/1148) (milenkovicm)
- feat: add test to check for `ctx.enable_url_table()` [#1155](https://github.com/apache/datafusion-ballista/pull/1155) (milenkovicm)

**Documentation updates:**

- docs: Add ASF attribution [#973](https://github.com/apache/datafusion-ballista/pull/973) (simicd)
- Architecture guide [#977](https://github.com/apache/datafusion-ballista/pull/977) (andygrove)
- docs: enhance the ballista-cli docs [#979](https://github.com/apache/datafusion-ballista/pull/979) (haoxins)
- docs: update user guide with docker image information [#980](https://github.com/apache/datafusion-ballista/pull/980) (etolbakov)
- docs: enhance the docs of Ballista client [#985](https://github.com/apache/datafusion-ballista/pull/985) (haoxins)
- docs: list protoc dependency [#989](https://github.com/apache/datafusion-ballista/pull/989) (davidwilemski)
- update asf yaml [#1007](https://github.com/apache/datafusion-ballista/pull/1007) (andygrove)
- docs: Add workflow to publish documentation [#1040](https://github.com/apache/datafusion-ballista/pull/1040) (andygrove)
- docs: Replace Arrow Ballista with DataFusion Ballista [#1041](https://github.com/apache/datafusion-ballista/pull/1041) (andygrove)
- Add maintenance status note [#1043](https://github.com/apache/datafusion-ballista/pull/1043) (andygrove)
- Remove helm from supported code [#1071](https://github.com/apache/datafusion-ballista/pull/1071) (milenkovicm)
- Remove UI [#1072](https://github.com/apache/datafusion-ballista/pull/1072) (milenkovicm)
- Remove HDFS support ... [#1073](https://github.com/apache/datafusion-ballista/pull/1073) (milenkovicm)
- Removed Maintenance Notice [#1094](https://github.com/apache/datafusion-ballista/pull/1094) (tbar4)
- Update root `README.md` and other documentation with latest changes [#1113](https://github.com/apache/datafusion-ballista/pull/1113) (milenkovicm)
- docs: Update benchmarks [#1121](https://github.com/apache/datafusion-ballista/pull/1121) (andygrove)

**Merged pull requests:**

- PyBallista - Python SQL client for Ballista [#970](https://github.com/apache/datafusion-ballista/pull/970) (andygrove)
- docs: Add ASF attribution [#973](https://github.com/apache/datafusion-ballista/pull/973) (simicd)
- [Python] Add `read_csv` and `read_parquet` methods [#976](https://github.com/apache/datafusion-ballista/pull/976) (andygrove)
- Architecture guide [#977](https://github.com/apache/datafusion-ballista/pull/977) (andygrove)
- [Python] Add more methods to SessionContext [#978](https://github.com/apache/datafusion-ballista/pull/978) (andygrove)
- [Python] Add `execute_logical_plan` to context [#972](https://github.com/apache/datafusion-ballista/pull/972) (andygrove)
- Use correct product name in docs [#975](https://github.com/apache/datafusion-ballista/pull/975) (andygrove)
- docs: enhance the ballista-cli docs [#979](https://github.com/apache/datafusion-ballista/pull/979) (haoxins)
- docs: update user guide with docker image information [#980](https://github.com/apache/datafusion-ballista/pull/980) (etolbakov)
- Upgrade Rust version to 1.72 to keep the same as DataFusion v35 [#982](https://github.com/apache/datafusion-ballista/pull/982) (haoxins)
- build: Fix the ballista-cli Dockerfile [#981](https://github.com/apache/datafusion-ballista/pull/981) (haoxins)
- feat: make max message size configurable for gRPC clients [#983](https://github.com/apache/datafusion-ballista/pull/983) (etolbakov)
- Remove some hard-coded gRPC max message sizes [#984](https://github.com/apache/datafusion-ballista/pull/984) (andygrove)
- docs: enhance the docs of Ballista client [#985](https://github.com/apache/datafusion-ballista/pull/985) (haoxins)
- docs: list protoc dependency [#989](https://github.com/apache/datafusion-ballista/pull/989) (davidwilemski)
- Fix ExecutorLost event debug info [#988](https://github.com/apache/datafusion-ballista/pull/988) (lewiszlw)
- Fix shuffle writer test [#998](https://github.com/apache/datafusion-ballista/pull/998) (Jefffrey)
- Bump graphviz-rust from 0.6.1 to 0.8.0 [#999](https://github.com/apache/datafusion-ballista/pull/999) (Jefffrey)
- Add rust-toolchain.toml for clarity [#1014](https://github.com/apache/datafusion-ballista/pull/1014) (scnerd)
- Fix executor metadata decode bug [#1004](https://github.com/apache/datafusion-ballista/pull/1004) (lewiszlw)
- update asf yaml [#1007](https://github.com/apache/datafusion-ballista/pull/1007) (andygrove)
- Fix Ballista rust.yml github workflow [#1026](https://github.com/apache/datafusion-ballista/pull/1026) (RaphaelMarinier)
- Bump datafusion to 36.0.0 and make ballista compatible with it. [#1027](https://github.com/apache/datafusion-ballista/pull/1027) (RaphaelMarinier)
- Make Ballista compatible with Datafusion 37.0.0 (from 36.0.0) [#1031](https://github.com/apache/datafusion-ballista/pull/1031) (RaphaelMarinier)
- Fixes Setting Job Name Not Reflected in Ballista UI [#1039](https://github.com/apache/datafusion-ballista/pull/1039) (athultr1997)
- docs: Add workflow to publish documentation [#1040](https://github.com/apache/datafusion-ballista/pull/1040) (andygrove)
- [Docs] fix good_first_issue link in the contribution md doc [#1022](https://github.com/apache/datafusion-ballista/pull/1022) (Almaz-KG)
- docs: Replace Arrow Ballista with DataFusion Ballista [#1041](https://github.com/apache/datafusion-ballista/pull/1041) (andygrove)
- Fix job hangs when partition count of plan is zero [#1024](https://github.com/apache/datafusion-ballista/pull/1024) (lewiszlw)
- Add maintenance status note [#1043](https://github.com/apache/datafusion-ballista/pull/1043) (andygrove)
- Fix cargo build [#1045](https://github.com/apache/datafusion-ballista/pull/1045) (andygrove)
- fix docker build in CI [#1046](https://github.com/apache/datafusion-ballista/pull/1046) (andygrove)
- feat: Upgrade to DataFusion 38 [#1048](https://github.com/apache/datafusion-ballista/pull/1048) (andygrove)
- Bump actions/setup-node from 3 to 4 [#909](https://github.com/apache/datafusion-ballista/pull/909) (dependabot[bot])
- Bump actions/cache from 3 to 4 [#958](https://github.com/apache/datafusion-ballista/pull/958) (dependabot[bot])
- feat: Upgrade to DataFusion 39.0.0 [#1052](https://github.com/apache/datafusion-ballista/pull/1052) (andygrove)
- Update datafusion protobuf definitions [#1057](https://github.com/apache/datafusion-ballista/pull/1057) (palaska)
- Fix regression with TPC-H benchmark [#1060](https://github.com/apache/datafusion-ballista/pull/1060) (andygrove)
- Upgrade to Datafusion 41 [#1062](https://github.com/apache/datafusion-ballista/pull/1062) (palaska)
- Remove helm from supported code [#1071](https://github.com/apache/datafusion-ballista/pull/1071) (milenkovicm)
- Remove plugin subsystem [#1070](https://github.com/apache/datafusion-ballista/pull/1070) (milenkovicm)
- Remove CI folder [#1074](https://github.com/apache/datafusion-ballista/pull/1074) (milenkovicm)
- Code cleanup, move examples, remove unused files [#1075](https://github.com/apache/datafusion-ballista/pull/1075) (milenkovicm)
- Remove UI [#1072](https://github.com/apache/datafusion-ballista/pull/1072) (milenkovicm)
- Remove key-value stores for scheduler persistence [#1077](https://github.com/apache/datafusion-ballista/pull/1077) (milenkovicm)
- Remove cache functionality [#1076](https://github.com/apache/datafusion-ballista/pull/1076) (milenkovicm)
- Remove HDFS support ... [#1073](https://github.com/apache/datafusion-ballista/pull/1073) (milenkovicm)
- Reorganise and remove dependencies [#1078](https://github.com/apache/datafusion-ballista/pull/1078) (milenkovicm)
- Promote keda and flight-sql to optional features [#1079](https://github.com/apache/datafusion-ballista/pull/1079) (milenkovicm)
- Update to datafusion 42 ... [#1080](https://github.com/apache/datafusion-ballista/pull/1080) (milenkovicm)
- #1086 solve examples errors [#1087](https://github.com/apache/datafusion-ballista/pull/1087) (tbar4)
- fix issue with not building python package ... [#1085](https://github.com/apache/datafusion-ballista/pull/1085) (milenkovicm)
- another round of code cleanup ... [#1089](https://github.com/apache/datafusion-ballista/pull/1089) (milenkovicm)
- Make rest-api optional feature ... [#1084](https://github.com/apache/datafusion-ballista/pull/1084) (milenkovicm)
- fix clippy issues after updating to rust 1.82 [#1090](https://github.com/apache/datafusion-ballista/pull/1090) (milenkovicm)
- Replace BallistaContext with SessionContext [#1088](https://github.com/apache/datafusion-ballista/pull/1088) (milenkovicm)
- Removed Maintenance Notice [#1094](https://github.com/apache/datafusion-ballista/pull/1094) (tbar4)
- Ergonomic way to setup/configure `SessionContextExt` [#1096](https://github.com/apache/datafusion-ballista/pull/1096) (milenkovicm)
- Executor configuration extended .. [#1099](https://github.com/apache/datafusion-ballista/pull/1099) (milenkovicm)
- fix issue with executor registration ... [#1101](https://github.com/apache/datafusion-ballista/pull/1101) (milenkovicm)
- Deprecate `BallistaContext` [#1103](https://github.com/apache/datafusion-ballista/pull/1103) (milenkovicm)
- fix imports after un-rebased PR [#1106](https://github.com/apache/datafusion-ballista/pull/1106) (milenkovicm)
- Ballista proto cleanup [#1110](https://github.com/apache/datafusion-ballista/pull/1110) (milenkovicm)
- Update and move deps to workspace [#1109](https://github.com/apache/datafusion-ballista/pull/1109) (milenkovicm)
- Trim down `BallistaConfig` [#1108](https://github.com/apache/datafusion-ballista/pull/1108) (milenkovicm)
- Remove build-in object store registry [#1114](https://github.com/apache/datafusion-ballista/pull/1114) (milenkovicm)
- Update root `README.md` and other documentation with latest changes [#1113](https://github.com/apache/datafusion-ballista/pull/1113) (milenkovicm)
- support window functions [#1112](https://github.com/apache/datafusion-ballista/pull/1112) (onursatici)
- added a BallistaContext to ballista to allow for Remote or standalone [#1100](https://github.com/apache/datafusion-ballista/pull/1100) (tbar4)
- Decommission `BallistaContext` [#1119](https://github.com/apache/datafusion-ballista/pull/1119) (milenkovicm)
- docs: Update benchmarks [#1121](https://github.com/apache/datafusion-ballista/pull/1121) (andygrove)
- Make easier to create custom schedulers and executors [#1118](https://github.com/apache/datafusion-ballista/pull/1118) (milenkovicm)
- refactor: Move BallistaRegistry to better location [#1126](https://github.com/apache/datafusion-ballista/pull/1126) (milenkovicm)
- refactor: BallistaLogicalExtensionCodec refactoring and improvements [#1127](https://github.com/apache/datafusion-ballista/pull/1127) (milenkovicm)
- refactor: consolidate ballista tests [#1129](https://github.com/apache/datafusion-ballista/pull/1129) (milenkovicm)
- refactor: SessionStateExt and SessionConfigExt [#1130](https://github.com/apache/datafusion-ballista/pull/1130) (milenkovicm)
- chore: dependancy updates [#1131](https://github.com/apache/datafusion-ballista/pull/1131) (milenkovicm)
- chore: fix warning mimaloc warning when building [#1137](https://github.com/apache/datafusion-ballista/pull/1137) (milenkovicm)
- refactor: SessionBuilder to return Result<\_> [#1138](https://github.com/apache/datafusion-ballista/pull/1138) (milenkovicm)
- chore: remove unused cache\_ options from executor [#1140](https://github.com/apache/datafusion-ballista/pull/1140) (milenkovicm)
- updated maturin version and ccargo build to build yml [#1136](https://github.com/apache/datafusion-ballista/pull/1136) (tbar4)
- chore: Fix clippy issues after rust update (1.83.0) [#1143](https://github.com/apache/datafusion-ballista/pull/1143) (milenkovicm)
- Fix documentation example which still uses BallistaContext [#1145](https://github.com/apache/datafusion-ballista/pull/1145) (milenkovicm)
- Ballista proto cleanup [#1146](https://github.com/apache/datafusion-ballista/pull/1146) (milenkovicm)
- feat: default instance for executor configuration [#1147](https://github.com/apache/datafusion-ballista/pull/1147) (milenkovicm)
- feat: Expose Ballista Scheduler and Executor in Python [#1148](https://github.com/apache/datafusion-ballista/pull/1148) (milenkovicm)
- chore: dependency cleanup [#1150](https://github.com/apache/datafusion-ballista/pull/1150) (milenkovicm)
- Update DataFusion to 43 [#1125](https://github.com/apache/datafusion-ballista/pull/1125) (Dandandan)
- Reinstantiate join order optimization [#1122](https://github.com/apache/datafusion-ballista/pull/1122) (Dandandan)
- add partitioning scheme for unresolved shuffle and shuffle reader exec [#1144](https://github.com/apache/datafusion-ballista/pull/1144) (onursatici)
- chore: update py-df to 43.1 [#1152](https://github.com/apache/datafusion-ballista/pull/1152) (milenkovicm)
- chore: no need to run python test in rust [#1154](https://github.com/apache/datafusion-ballista/pull/1154) (milenkovicm)
- feat: add test to check for `ctx.enable_url_table()` [#1155](https://github.com/apache/datafusion-ballista/pull/1155) (milenkovicm)

## [0.12.0](https://github.com/apache/datafusion-ballista/tree/0.12.0) (2024-01-14)

[Full Changelog](https://github.com/apache/datafusion-ballista/compare/0.11.0...0.12.0)

**Documentation updates:**

- docs: fix link [#799](https://github.com/apache/datafusion-ballista/pull/799) (haoxins)

**Merged pull requests:**

- [minor] remove outdate todo [#683](https://github.com/apache/datafusion-ballista/pull/683) (Ted-Jiang)
- Add executor terminating status for graceful shutdown [#667](https://github.com/apache/datafusion-ballista/pull/667) (thinkharderdev)
- Allow `BallistaContext::read_*` methods to read multiple paths. [#679](https://github.com/apache/datafusion-ballista/pull/679) (luckylsk34)
- Update scheduler.md [#657](https://github.com/apache/datafusion-ballista/pull/657) (psvri)
- Mark `SchedulerState` as pub [#688](https://github.com/apache/datafusion-ballista/pull/688) (Dandandan)
- Update graphviz-rust requirement from 0.5.0 to 0.6.1 [#651](https://github.com/apache/datafusion-ballista/pull/651) (dependabot[bot])
- Upgrade DataFusion to 19.0.0 [#691](https://github.com/apache/datafusion-ballista/pull/691) (r4ntix)
- Update release docs [#692](https://github.com/apache/datafusion-ballista/pull/692) (andygrove)
- Mark `SchedulerServer::with_task_launcher` as pub [#695](https://github.com/apache/datafusion-ballista/pull/695) (Dandandan)
- Make task_manager pub [#698](https://github.com/apache/datafusion-ballista/pull/698) (Dandandan)
- Add ExecutionEngine abstraction [#687](https://github.com/apache/datafusion-ballista/pull/687) (andygrove)
- Allow accessing s3 locations in client mode [#700](https://github.com/apache/datafusion-ballista/pull/700) (luckylsk34)
- git clone branch incorrect [#699](https://github.com/apache/datafusion-ballista/pull/699) (BubbaJoe)
- Fix for error message during testing [#707](https://github.com/apache/datafusion-ballista/pull/707) (yahoNanJing)
- Upgrade datafusion to 20.0.0 & sqlparser to to 0.32.0 [#711](https://github.com/apache/datafusion-ballista/pull/711) (r4ntix)
- Update README.md [#729](https://github.com/apache/datafusion-ballista/pull/729) (jiangzhx)
- Update link to scheduler proto file in dev docs [#713](https://github.com/apache/datafusion-ballista/pull/713) (JAicewizard)
- Fix `show tables` fails [#715](https://github.com/apache/datafusion-ballista/pull/715) (r4ntix)
- Remove redundant fields in ExecutorManager [#728](https://github.com/apache/datafusion-ballista/pull/728) (yahoNanJing)
- Fix parameter '--config-backend' to '--cluster-backend' [#720](https://github.com/apache/datafusion-ballista/pull/720) (paolorechia)
- Upgrade DataFusion to 21.0.0 [#727](https://github.com/apache/datafusion-ballista/pull/727) (r4ntix)
- [minor] remove useless brackets [#739](https://github.com/apache/datafusion-ballista/pull/739) (Ted-Jiang)
- Only decode plan in `LaunchMultiTaskParams` once [#743](https://github.com/apache/datafusion-ballista/pull/743) (Dandandan)
- Upgrade DataFusion to 22.0.0 [#740](https://github.com/apache/datafusion-ballista/pull/740) (r4ntix)
- [feature] support shuffle read with retry when facing IO error. [#738](https://github.com/apache/datafusion-ballista/pull/738) (Ted-Jiang)
- [log] Print long running task status. [#750](https://github.com/apache/datafusion-ballista/pull/750) (Ted-Jiang)
- Upgrade DataFusion to 23.0.0 [#755](https://github.com/apache/datafusion-ballista/pull/755) (yahoNanJing)
- Fix plan metrics length and stage metrics length not match [#764](https://github.com/apache/datafusion-ballista/pull/764) (yahoNanJing)
- added match arms to create ClusterStorageConfig [#766](https://github.com/apache/datafusion-ballista/pull/766) (BokarevNik)
- [Improve] refactor the offer_reservation avoid wait result [#760](https://github.com/apache/datafusion-ballista/pull/760) (Ted-Jiang)
- [fea] Avoid multithreaded write lock conflicts in event queue. [#754](https://github.com/apache/datafusion-ballista/pull/754) (Ted-Jiang)
- Upgrade DataFusion to 24.0.0, Object_Store to 0.5.6 [#769](https://github.com/apache/datafusion-ballista/pull/769) (r4ntix)
- Refine create_datafusion_context() [#778](https://github.com/apache/datafusion-ballista/pull/778) (yahoNanJing)
- Remove output_partitioning for task definition [#776](https://github.com/apache/datafusion-ballista/pull/776) (yahoNanJing)
- Upgrade DataFusion to 25.0.0 [#779](https://github.com/apache/datafusion-ballista/pull/779) (r4ntix)
- Disable the ansi feature of tracing-subscriber [#784](https://github.com/apache/datafusion-ballista/pull/784) (yahoNanJing)
- Add config grpc_server_max_decoding_message_size to make the maximum size of a decoded message at the grpc server side configurable [#782](https://github.com/apache/datafusion-ballista/pull/782) (yahoNanJing)
- Fix nodejs issues in Docker build [#731](https://github.com/apache/datafusion-ballista/pull/731) (jnaous)
- Upgrade node version to fix build in `main` [#794](https://github.com/apache/datafusion-ballista/pull/794) (avantgardnerio)
- Remove redundant mod session_registry [#792](https://github.com/apache/datafusion-ballista/pull/792) (yahoNanJing)
- Make last_seen_ts_threshold for getting alive executor at the scheduler side larger than the heartbeat time interval [#786](https://github.com/apache/datafusion-ballista/pull/786) (yahoNanJing)
- Remove the prometheus-metrics from the default feature [#788](https://github.com/apache/datafusion-ballista/pull/788) (yahoNanJing)
- Refine the ExecuteQuery grpc interface [#790](https://github.com/apache/datafusion-ballista/pull/790) (yahoNanJing)
- Add config to collect statistics, enable in TPC-H benchmark [#796](https://github.com/apache/datafusion-ballista/pull/796) (Dandandan)
- Add support for GCS data sources [#805](https://github.com/apache/datafusion-ballista/pull/805) (haoxins)
- Update DataFusion to 26 [#798](https://github.com/apache/datafusion-ballista/pull/798) (Dandandan)
- Issue 162 build docker image in ci [#716](https://github.com/apache/datafusion-ballista/pull/716) (paolorechia)
- Fix index out of bounds panic [#819](https://github.com/apache/datafusion-ballista/pull/819) (yahoNanJing)
- Refactor the TaskDefinition by changing encoding execution plan to the decoded one [#817](https://github.com/apache/datafusion-ballista/pull/817) (yahoNanJing)
- Fix ballista-cli docs [#800](https://github.com/apache/datafusion-ballista/pull/800) (jonahgao)
- docs: fix link [#799](https://github.com/apache/datafusion-ballista/pull/799) (haoxins)
- Implement the with_new_children for ShuffleReaderExec [#821](https://github.com/apache/datafusion-ballista/pull/821) (yahoNanJing)
- Update to point to the correct documentation [#838](https://github.com/apache/datafusion-ballista/pull/838) (dadepo)
- Remove ExecutorReservation and change the task assignment philosophy from executor first to task first [#823](https://github.com/apache/datafusion-ballista/pull/823) (yahoNanJing)
- Upgrade DataFusion to 27.0.0 [#834](https://github.com/apache/datafusion-ballista/pull/834) (r4ntix)
- Reduce the number of calls to `create_logical_plan` [#842](https://github.com/apache/datafusion-ballista/pull/842) (jonahgao)
- Bump semver from 5.7.1 to 5.7.2 in /ballista/scheduler/ui [#843](https://github.com/apache/datafusion-ballista/pull/843) (dependabot[bot])
- Bump actions/labeler from 4.1.0 to 4.3.0 [#841](https://github.com/apache/datafusion-ballista/pull/841) (dependabot[bot])
- Bump tough-cookie from 4.1.2 to 4.1.3 in /ballista/scheduler/ui [#840](https://github.com/apache/datafusion-ballista/pull/840) (dependabot[bot])
- Update flatbuffers requirement from 22.9.29 to 23.5.26 [#801](https://github.com/apache/datafusion-ballista/pull/801) (dependabot[bot])
- Update dirs requirement from 4.0.0 to 5.0.1 [#767](https://github.com/apache/datafusion-ballista/pull/767) (dependabot[bot])
- Update libloading requirement from 0.7.3 to 0.8.0 [#761](https://github.com/apache/datafusion-ballista/pull/761) (dependabot[bot])
- Introduce a cache crate supporting concurrent cache value loading [#825](https://github.com/apache/datafusion-ballista/pull/825) (yahoNanJing)
- Fix cargo clippy for latest rust version [#848](https://github.com/apache/datafusion-ballista/pull/848) (yahoNanJing)
- Introduce CachedBasedObjectStoreRegistry to use data source cache transparently [#827](https://github.com/apache/datafusion-ballista/pull/827) (yahoNanJing)
- Add ConsistentHash for node topology management [#830](https://github.com/apache/datafusion-ballista/pull/830) (yahoNanJing)
- Implement 3-phase consistent hash based task assignment policy [#833](https://github.com/apache/datafusion-ballista/pull/833) (yahoNanJing)
- Update tonic requirement from 0.8 to 0.9 [#733](https://github.com/apache/datafusion-ballista/pull/733) (dependabot[bot])
- Update itertools requirement from 0.10 to 0.11 [#844](https://github.com/apache/datafusion-ballista/pull/844) (dependabot[bot])
- Update etcd-client requirement from 0.10 to 0.11 [#845](https://github.com/apache/datafusion-ballista/pull/845) (dependabot[bot])
- Update hashbrown requirement from 0.13 to 0.14 [#846](https://github.com/apache/datafusion-ballista/pull/846) (dependabot[bot])
- Bump word-wrap from 1.2.3 to 1.2.4 in /ballista/scheduler/ui [#849](https://github.com/apache/datafusion-ballista/pull/849) (dependabot[bot])
- Update hdfs requirement from 0.1.1 to 0.1.4 [#856](https://github.com/apache/datafusion-ballista/pull/856) (yahoNanJing)
- Update to DataFusion 28 [#858](https://github.com/apache/datafusion-ballista/pull/858) (Dandandan)
- Upgrade datafusion to 30.0.0 [#866](https://github.com/apache/datafusion-ballista/pull/866) (r4ntix)
- refactor: port get_scan_files to Ballista [#877](https://github.com/apache/datafusion-ballista/pull/877) (alamb)
- Upgrade datafusion to 31.0.0 [#878](https://github.com/apache/datafusion-ballista/pull/878) (r4ntix)
- Upgrade datafusion to 32.0.0 [#899](https://github.com/apache/datafusion-ballista/pull/899) (r4ntix)
- Update to DataFusion 33 [#900](https://github.com/apache/datafusion-ballista/pull/900) (Dandandan)
- Refactor lru mod, remove linked_hash_map [#918](https://github.com/apache/datafusion-ballista/pull/918) (PsiACE)
- Dynamically optimize aggregate (count) based on shuffle stats [#919](https://github.com/apache/datafusion-ballista/pull/919) (Dandandan)
- Use lz4 compression for shuffle files & flight stream, refactoring / improvements [#920](https://github.com/apache/datafusion-ballista/pull/920) (Dandandan)
- Make max encoding message size configurable [#928](https://github.com/apache/datafusion-ballista/pull/928) (andygrove)
- Set max message size to 16MB in gRPC clients [#931](https://github.com/apache/datafusion-ballista/pull/931) (andygrove)
- Upgrade to DataFusion 34.0.0-rc1 [#927](https://github.com/apache/datafusion-ballista/pull/927) (andygrove)
- Use official DF 34 release [#939](https://github.com/apache/datafusion-ballista/pull/939) (andygrove)
- Use StreamWriter instead of FileWriter [#943](https://github.com/apache/datafusion-ballista/pull/943) (avantgardnerio)
- Remove some TODO comments related to context fetching schemas from scheduler [#946](https://github.com/apache/datafusion-ballista/pull/946) (andygrove)
- Fix Docker build [#947](https://github.com/apache/datafusion-ballista/pull/947) (andygrove)
- Fix regression in DataFrame.write_xxx [#945](https://github.com/apache/datafusion-ballista/pull/945) (andygrove)

## [0.11.0](https://github.com/apache/datafusion-ballista/tree/0.11.0) (2023-02-19)

[Full Changelog](https://github.com/apache/datafusion-ballista/compare/0.10.0...0.11.0)

**Implemented enhancements:**

- Remove `python` since it has been moved to its own repo, `datafusion-ballista-python` [\#653](https://github.com/apache/datafusion-ballista/issues/653)
- Add executor self-registration mechanism in the heartbeat service [\#648](https://github.com/apache/datafusion-ballista/issues/648)
- Upgrade to DataFusion 17 [\#638](https://github.com/apache/datafusion-ballista/issues/638)
- Move Python bindings to separate repo? [\#635](https://github.com/apache/datafusion-ballista/issues/635)
- Implement new release process [\#622](https://github.com/apache/datafusion-ballista/issues/622)
- Change default branch name from master to main [\#618](https://github.com/apache/datafusion-ballista/issues/618)
- Update latest datafusion dependency [\#610](https://github.com/apache/datafusion-ballista/issues/610)
- Implement optimizer rule to remove redundant repartitioning [\#608](https://github.com/apache/datafusion-ballista/issues/608)
- ballista-cli as \(docker\) images [\#600](https://github.com/apache/datafusion-ballista/issues/600)
- Update contributor guide [\#598](https://github.com/apache/datafusion-ballista/issues/598)
- Fix cargo clippy [\#570](https://github.com/apache/datafusion-ballista/issues/570)
- Support Alibaba Cloud OSS with ObjectStore [\#566](https://github.com/apache/datafusion-ballista/issues/566)
- Refactor `StateBackendClient` to be a higher-level interface [\#554](https://github.com/apache/datafusion-ballista/issues/554)
- Make it concurrently to launch tasks to executors [\#544](https://github.com/apache/datafusion-ballista/issues/544)
- Simplify docs [\#531](https://github.com/apache/datafusion-ballista/issues/531)
- Provide an in-memory StateBackend [\#505](https://github.com/apache/datafusion-ballista/issues/505)
- Add support for Azure blob storage [\#294](https://github.com/apache/datafusion-ballista/issues/294)
- Add a workflow to build the image and publish it to the package [\#71](https://github.com/apache/datafusion-ballista/issues/71)

**Fixed bugs:**

- Rust / Check Cargo.toml formatting \(amd64, stable\) \(pull_request\) Failing [\#662](https://github.com/apache/datafusion-ballista/issues/662)
- Protobuf parsing error [\#646](https://github.com/apache/datafusion-ballista/issues/646)
- jobs from python client not showing up in Scheduler UI [\#625](https://github.com/apache/datafusion-ballista/issues/625)
- ballista ui fails to build [\#594](https://github.com/apache/datafusion-ballista/issues/594)
- cargo build --release fails for ballista-scheduler [\#590](https://github.com/apache/datafusion-ballista/issues/590)
- docker build fails [\#589](https://github.com/apache/datafusion-ballista/issues/589)
- Multi-scheduler Job Starvation [\#585](https://github.com/apache/datafusion-ballista/issues/585)
- Cannot query file from S3 [\#559](https://github.com/apache/datafusion-ballista/issues/559)
- Benchmark q16 fails [\#373](https://github.com/apache/datafusion-ballista/issues/373)

**Documentation updates:**

- Check in benchmark image [\#647](https://github.com/apache/datafusion-ballista/pull/647) ([andygrove](https://github.com/andygrove))
- MINOR: Fix benchmark image link [\#596](https://github.com/apache/datafusion-ballista/pull/596) ([andygrove](https://github.com/andygrove))

**Merged pull requests:**

- Upgrade to DataFusion 18 [\#668](https://github.com/apache/datafusion-ballista/pull/668) ([andygrove](https://github.com/andygrove))
- Enable physical plan round-trip tests [\#666](https://github.com/apache/datafusion-ballista/pull/666) ([andygrove](https://github.com/andygrove))
- Upgrade to DataFusion 18.0.0-rc1 [\#664](https://github.com/apache/datafusion-ballista/pull/664) ([andygrove](https://github.com/andygrove))
- add test_util to make examples work well [\#661](https://github.com/apache/datafusion-ballista/pull/661) ([jiangzhx](https://github.com/jiangzhx))
- Minor refactor to reduce duplicate code [\#659](https://github.com/apache/datafusion-ballista/pull/659) ([andygrove](https://github.com/andygrove))
- Cluster state refactor Part 2 [\#658](https://github.com/apache/datafusion-ballista/pull/658) ([thinkharderdev](https://github.com/thinkharderdev))
- Remove `python` dir & python-related workflows [\#654](https://github.com/apache/datafusion-ballista/pull/654) ([iajoiner](https://github.com/iajoiner))
- Add executor self-registration mechanism in the heartbeat service [\#649](https://github.com/apache/datafusion-ballista/pull/649) ([yahoNanJing](https://github.com/yahoNanJing))
- Upgrade to DataFusion 17 [\#639](https://github.com/apache/datafusion-ballista/pull/639) ([avantgardnerio](https://github.com/avantgardnerio))
- Upgrade to DataFusion 16 \(again\) [\#636](https://github.com/apache/datafusion-ballista/pull/636) ([avantgardnerio](https://github.com/avantgardnerio))
- Update release process documentation [\#632](https://github.com/apache/datafusion-ballista/pull/632) ([andygrove](https://github.com/andygrove))
- Implement new release process [\#623](https://github.com/apache/datafusion-ballista/pull/623) ([andygrove](https://github.com/andygrove))
- Update contributor guide [\#617](https://github.com/apache/datafusion-ballista/pull/617) ([andygrove](https://github.com/andygrove))
- Fix Cargo.toml format issue [\#616](https://github.com/apache/datafusion-ballista/pull/616) ([andygrove](https://github.com/andygrove))
- Refactor scheduler main [\#615](https://github.com/apache/datafusion-ballista/pull/615) ([andygrove](https://github.com/andygrove))
- Refactor executor main [\#614](https://github.com/apache/datafusion-ballista/pull/614) ([andygrove](https://github.com/andygrove))
- Update datafusion dependency to the latest version [\#612](https://github.com/apache/datafusion-ballista/pull/612) ([yahoNanJing](https://github.com/yahoNanJing))
- Add support for Azure Blob Storage [\#599](https://github.com/apache/datafusion-ballista/pull/599) ([aidankovacic-8451](https://github.com/aidankovacic-8451))
- Python: add method to get explain output as a string [\#593](https://github.com/apache/datafusion-ballista/pull/593) ([andygrove](https://github.com/andygrove))
- Handle job resubmission [\#586](https://github.com/apache/datafusion-ballista/pull/586) ([thinkharderdev](https://github.com/thinkharderdev))
- updated readme to contain correct versions of dependencies. [\#580](https://github.com/apache/datafusion-ballista/pull/580) ([saikrishna1-bidgely](https://github.com/saikrishna1-bidgely))
- Update graphviz-rust requirement from 0.4.0 to 0.5.0 [\#574](https://github.com/apache/datafusion-ballista/pull/574) ([dependabot[bot]](https://github.com/apps/dependabot))
- Super minor spelling error [\#573](https://github.com/apache/datafusion-ballista/pull/573) ([jdye64](https://github.com/jdye64))
- Fix cargo clippy [\#571](https://github.com/apache/datafusion-ballista/pull/571) ([yahoNanJing](https://github.com/yahoNanJing))
- Support Alibaba Cloud OSS with ObjectStore [\#567](https://github.com/apache/datafusion-ballista/pull/567) ([r4ntix](https://github.com/r4ntix))
- fix\(ui\): fix last seen [\#562](https://github.com/apache/datafusion-ballista/pull/562) ([duyet](https://github.com/duyet))
- Cluster state refactor part 1 [\#560](https://github.com/apache/datafusion-ballista/pull/560) ([thinkharderdev](https://github.com/thinkharderdev))
- Make it concurrently to launch tasks to executors [\#557](https://github.com/apache/datafusion-ballista/pull/557) ([yahoNanJing](https://github.com/yahoNanJing))
- Update datafusion requirement from 14.0.0 to 15.0.0 [\#552](https://github.com/apache/datafusion-ballista/pull/552) ([yahoNanJing](https://github.com/yahoNanJing))
- docs: fix style in the Helm readme [\#551](https://github.com/apache/datafusion-ballista/pull/551) ([haoxins](https://github.com/haoxins))
- Fix Helm chart's image format [\#550](https://github.com/apache/datafusion-ballista/pull/550) ([haoxins](https://github.com/haoxins))
- Update env_logger requirement from 0.9 to 0.10 [\#539](https://github.com/apache/datafusion-ballista/pull/539) ([dependabot[bot]](https://github.com/apps/dependabot))
- only build docker images on rc tags [\#535](https://github.com/apache/datafusion-ballista/pull/535) ([andygrove](https://github.com/andygrove))
- Remove `--locked` when building Python wheels [\#533](https://github.com/apache/datafusion-ballista/pull/533) ([andygrove](https://github.com/andygrove))
- Bump actions/labeler from 4.0.2 to 4.1.0 [\#525](https://github.com/apache/datafusion-ballista/pull/525) ([dependabot[bot]](https://github.com/apps/dependabot))
- Provide a memory StateBackendClient [\#523](https://github.com/apache/datafusion-ballista/pull/523) ([yahoNanJing](https://github.com/yahoNanJing))

## [0.10.0](https://github.com/apache/datafusion-ballista/tree/0.10.0) (2022-11-18)

[Full Changelog](https://github.com/apache/datafusion-ballista/compare/0.9.0...0.10.0)

**Implemented enhancements:**

- Add user guide section on prometheus metrics [\#507](https://github.com/apache/datafusion-ballista/issues/507)
- Don't throw error when job path not exist in remove_job_data [\#502](https://github.com/apache/datafusion-ballista/issues/502)
- Fix clippy warning [\#494](https://github.com/apache/datafusion-ballista/issues/494)
- Use job_data_clean_up_interval_seconds == 0 to indicate executor_cleanup_enable [\#488](https://github.com/apache/datafusion-ballista/issues/488)
- Add a config for tracing log rolling policy for both scheduler and executor [\#486](https://github.com/apache/datafusion-ballista/issues/486)
- Set up repo where we can push benchmark results [\#473](https://github.com/apache/datafusion-ballista/issues/473)
- Make the delayed time interval for cleanup job data in both scheduler and executor configurable [\#469](https://github.com/apache/datafusion-ballista/issues/469)
- Add some validation for the remove_job_data grpc service [\#467](https://github.com/apache/datafusion-ballista/issues/467)
- Add ability to build docker images using `release-lto` profile [\#463](https://github.com/apache/datafusion-ballista/issues/463)
- Suggest users download \(rather than build\) the FlightSQL JDBC Driver [\#460](https://github.com/apache/datafusion-ballista/issues/460)
- Clean up legacy job shuffle data [\#459](https://github.com/apache/datafusion-ballista/issues/459)
- Add grpc service for the scheduler to make it able to be triggered by client explicitly [\#458](https://github.com/apache/datafusion-ballista/issues/458)
- Replace Mutex\<HashMap\> by using DashMap [\#448](https://github.com/apache/datafusion-ballista/issues/448)
- Refine log level [\#446](https://github.com/apache/datafusion-ballista/issues/446)
- Upgrade to DataFusion 14.0.0 [\#445](https://github.com/apache/datafusion-ballista/issues/445)
- Add a feature for hdfs3 [\#419](https://github.com/apache/datafusion-ballista/issues/419)
- Add optional flag which advertises host for Arrow Flight SQL [\#418](https://github.com/apache/datafusion-ballista/issues/418)
- Partitioning reasoning in DataFusion and Ballista [\#284](https://github.com/apache/datafusion-ballista/issues/284)
- Stop wasting time in CI on MIRI runs [\#283](https://github.com/apache/datafusion-ballista/issues/283)
- Publish Docker images as part of each release [\#236](https://github.com/apache/datafusion-ballista/issues/236)
- Cleanup job/stage status from TaskManager and clean up shuffle data after a period after JobFinished [\#185](https://github.com/apache/datafusion-ballista/issues/185)

**Fixed bugs:**

- build broken: configure_me_codegen retroactively reserved `bind_host` [\#519](https://github.com/apache/datafusion-ballista/issues/519)
- Return empty results for SQLs with order by [\#451](https://github.com/apache/datafusion-ballista/issues/451)
- ballista scheduler is not taken inline parameters into account [\#443](https://github.com/apache/datafusion-ballista/issues/443)
- \[FlightSQL\] Cannot connect with Tableau Desktop [\#428](https://github.com/apache/datafusion-ballista/issues/428)
- Benchmark q15 fails [\#372](https://github.com/apache/datafusion-ballista/issues/372)
- Incorrect documentation for building Ballista on Linux when using docker-compose [\#362](https://github.com/apache/datafusion-ballista/issues/362)
- Scheduler silently replaces `ParquetExec` with `EmptyExec` if data path is not correctly mounted in container [\#353](https://github.com/apache/datafusion-ballista/issues/353)
- SQL with order by limit returns nothing [\#334](https://github.com/apache/datafusion-ballista/issues/334)

**Documentation updates:**

- README updates [\#433](https://github.com/apache/datafusion-ballista/pull/433) ([andygrove](https://github.com/andygrove))

**Merged pull requests:**

- configure_me_codegen retroactively reserved on our `bind_host` parame… [\#520](https://github.com/apache/datafusion-ballista/pull/520) ([avantgardnerio](https://github.com/avantgardnerio))
- Bump actions/cache from 2 to 3 [\#517](https://github.com/apache/datafusion-ballista/pull/517) ([dependabot[bot]](https://github.com/apps/dependabot))
- Update graphviz-rust requirement from 0.3.0 to 0.4.0 [\#515](https://github.com/apache/datafusion-ballista/pull/515) ([dependabot[bot]](https://github.com/apps/dependabot))
- Add Prometheus metrics endpoint [\#511](https://github.com/apache/datafusion-ballista/pull/511) ([thinkharderdev](https://github.com/thinkharderdev))
- Enable tests that work since upgrading to DataFusion 14 [\#510](https://github.com/apache/datafusion-ballista/pull/510) ([andygrove](https://github.com/andygrove))
- Update hashbrown requirement from 0.12 to 0.13 [\#506](https://github.com/apache/datafusion-ballista/pull/506) ([dependabot[bot]](https://github.com/apps/dependabot))
- Don't throw error when job shuffle data path not exist in executor [\#503](https://github.com/apache/datafusion-ballista/pull/503) ([yahoNanJing](https://github.com/yahoNanJing))
- Upgrade to DataFusion 14.0.0 and Arrow 26.0.0 [\#499](https://github.com/apache/datafusion-ballista/pull/499) ([andygrove](https://github.com/andygrove))
- Fix clippy warning [\#495](https://github.com/apache/datafusion-ballista/pull/495) ([yahoNanJing](https://github.com/yahoNanJing))
- Stop wasting time in CI on MIRI runs [\#491](https://github.com/apache/datafusion-ballista/pull/491) ([Ted-Jiang](https://github.com/Ted-Jiang))
- Remove executor config executor_cleanup_enable and make the configuation name for executor cleanup more intuitive [\#489](https://github.com/apache/datafusion-ballista/pull/489) ([yahoNanJing](https://github.com/yahoNanJing))
- Add a config for tracing log rolling policy for both scheduler and executor [\#487](https://github.com/apache/datafusion-ballista/pull/487) ([yahoNanJing](https://github.com/yahoNanJing))
- Add grpc service of cleaning up job shuffle data for the scheduler to make it able to be triggered by client explicitly [\#485](https://github.com/apache/datafusion-ballista/pull/485) ([yahoNanJing](https://github.com/yahoNanJing))
- \[Minor\] Bump DataFusion [\#480](https://github.com/apache/datafusion-ballista/pull/480) ([Dandandan](https://github.com/Dandandan))
- Remove benchmark results from README [\#478](https://github.com/apache/datafusion-ballista/pull/478) ([andygrove](https://github.com/andygrove))
- Update `flightsql.md` to provide correct instruction [\#476](https://github.com/apache/datafusion-ballista/pull/476) ([iajoiner](https://github.com/iajoiner))
- Add support for Tableau [\#475](https://github.com/apache/datafusion-ballista/pull/475) ([avantgardnerio](https://github.com/avantgardnerio))
- Add SchedulerConfig for the scheduler configurations, like event_loop_buffer_size, finished_job_data_clean_up_interval_seconds, finished_job_state_clean_up_interval_seconds [\#472](https://github.com/apache/datafusion-ballista/pull/472) ([yahoNanJing](https://github.com/yahoNanJing))
- Bump DataFusion [\#471](https://github.com/apache/datafusion-ballista/pull/471) ([Dandandan](https://github.com/Dandandan))
- Add some validation for remove_job_data in the executor server [\#468](https://github.com/apache/datafusion-ballista/pull/468) ([yahoNanJing](https://github.com/yahoNanJing))
- Update documentation to reflect the release of the FlightSQL JDBC Driver [\#461](https://github.com/apache/datafusion-ballista/pull/461) ([avantgardnerio](https://github.com/avantgardnerio))
- Bump DataFusion version [\#453](https://github.com/apache/datafusion-ballista/pull/453) ([andygrove](https://github.com/andygrove))
- Add shuffle for SortPreservingMergeExec physical operator [\#452](https://github.com/apache/datafusion-ballista/pull/452) ([yahoNanJing](https://github.com/yahoNanJing))
- Replace Mutex\<HashMap\> by using DashMap [\#449](https://github.com/apache/datafusion-ballista/pull/449) ([yahoNanJing](https://github.com/yahoNanJing))
- Refine log level for trial info and periodically invoked places [\#447](https://github.com/apache/datafusion-ballista/pull/447) ([yahoNanJing](https://github.com/yahoNanJing))
- MINOR: Add `set -e` to scripts, fix a typo [\#444](https://github.com/apache/datafusion-ballista/pull/444) ([andygrove](https://github.com/andygrove))
- Add optional flag which advertises host for Arrow Flight SQL \#418 [\#442](https://github.com/apache/datafusion-ballista/pull/442) ([DaltonModlin](https://github.com/DaltonModlin))
- Reorder joins after resolving stage inputs [\#441](https://github.com/apache/datafusion-ballista/pull/441) ([Dandandan](https://github.com/Dandandan))
- Add a feature for hdfs3 [\#439](https://github.com/apache/datafusion-ballista/pull/439) ([yahoNanJing](https://github.com/yahoNanJing))
- Add Spark benchmarks [\#438](https://github.com/apache/datafusion-ballista/pull/438) ([andygrove](https://github.com/andygrove))
- scheduler now verifies that `file://` ListingTable URLs are accessible [\#414](https://github.com/apache/datafusion-ballista/pull/414) ([andygrove](https://github.com/andygrove))

## [0.9.0](https://github.com/apache/datafusion-ballista/tree/0.9.0) (2022-10-22)

[Full Changelog](https://github.com/apache/datafusion-ballista/compare/0.8.0...0.9.0)

**Implemented enhancements:**

- Support count distinct aggregation function [\#411](https://github.com/apache/datafusion-ballista/issues/411)
- Use multi-task definition in pull-based execution loop [\#400](https://github.com/apache/datafusion-ballista/issues/400)
- Make the scheduler event loop buffer size configurable [\#397](https://github.com/apache/datafusion-ballista/issues/397)
- Remove active execution graph when the related job is successful or failed. [\#391](https://github.com/apache/datafusion-ballista/issues/391)
- Improve launch task efficiency by calling LaunchMultiTask [\#389](https://github.com/apache/datafusion-ballista/issues/389)
- Use `tokio::sync::Semaphore` to wait for available task slots [\#388](https://github.com/apache/datafusion-ballista/issues/388)
- stdout and file log level settings are inconsistent [\#385](https://github.com/apache/datafusion-ballista/issues/385)
- Use dedicated executor in pull based loop [\#383](https://github.com/apache/datafusion-ballista/issues/383)
- Avoid calling scheduler when the executor cannot accept new tasks [\#377](https://github.com/apache/datafusion-ballista/issues/377)
- Add round robin executor slots reservation policy for the scheduler to evenly assign tasks to executors [\#371](https://github.com/apache/datafusion-ballista/issues/371)
- Switch to mimalloc and enable by default [\#369](https://github.com/apache/datafusion-ballista/issues/369)
- Integration test script should use docker-compose [\#364](https://github.com/apache/datafusion-ballista/issues/364)
- Use local shuffle reader in containerized environments [\#356](https://github.com/apache/datafusion-ballista/issues/356)
- Add `--ext` option to benchmark [\#352](https://github.com/apache/datafusion-ballista/issues/352)
- Add job cancel in the UI [\#350](https://github.com/apache/datafusion-ballista/issues/350)
- Using local shuffle reader avoid flight rpc call. [\#346](https://github.com/apache/datafusion-ballista/issues/346)
- Add a Helm Chart [\#321](https://github.com/apache/datafusion-ballista/issues/321)
- \[UI\] Show list of query stages with metrics [\#306](https://github.com/apache/datafusion-ballista/issues/306)
- \[UI\] Add ability to specify job name and have it show in the job listing page in the UI [\#277](https://github.com/apache/datafusion-ballista/issues/277)
- \[UI\] Add ability to download query plans in dot format [\#276](https://github.com/apache/datafusion-ballista/issues/276)
- \[UI\] Add ability to render query plans [\#275](https://github.com/apache/datafusion-ballista/issues/275)
- Add REST API documentation to User Guide [\#272](https://github.com/apache/datafusion-ballista/issues/272)
- Graceful shutdown: Handle `SIGTERM` [\#266](https://github.com/apache/datafusion-ballista/issues/266)
- \[EPIC\] Scheduler UI [\#265](https://github.com/apache/datafusion-ballista/issues/265)
- Introduce the datafusion-objectstore-hdfs in datafusion-contrib as an object store feature [\#259](https://github.com/apache/datafusion-ballista/issues/259)
- Add a feature based object store provider [\#257](https://github.com/apache/datafusion-ballista/issues/257)
- Add docker build files [\#248](https://github.com/apache/datafusion-ballista/issues/248)
- Allow IDEs to recognize generated code [\#246](https://github.com/apache/datafusion-ballista/issues/246)
- Add user guide section on Flight SQL support [\#230](https://github.com/apache/datafusion-ballista/issues/230)
- `dev/release/README.md` is outdated [\#228](https://github.com/apache/datafusion-ballista/issues/228)
- Make ShuffleReaderExec output less verbose [\#211](https://github.com/apache/datafusion-ballista/issues/211)
- Add LaunchMultiTask rpc interface for executor [\#209](https://github.com/apache/datafusion-ballista/issues/209)
- Make executor fetch shuffle partition data in parallel [\#208](https://github.com/apache/datafusion-ballista/issues/208)
- Concurrency control and rate limit during shuffle reader [\#195](https://github.com/apache/datafusion-ballista/issues/195)
- Update User Guide [\#160](https://github.com/apache/datafusion-ballista/issues/160)
- Ballista 0.8.0 Release [\#159](https://github.com/apache/datafusion-ballista/issues/159)
- Save encoded execution plan in the ExecutionStage to reduce cost of task serialization and deserialization [\#142](https://github.com/apache/datafusion-ballista/issues/142)
- Failed task retry [\#140](https://github.com/apache/datafusion-ballista/issues/140)
- Redefine the executor task slots [\#132](https://github.com/apache/datafusion-ballista/issues/132)
- Use ArrowFlight bearer token auth to create a session key for FlightSql clients [\#112](https://github.com/apache/datafusion-ballista/issues/112)
- Leverage Atomic for the in-memory states in Scheduler [\#101](https://github.com/apache/datafusion-ballista/issues/101)
- Introduce the object stores in datafusion-contrib as optional features [\#87](https://github.com/apache/datafusion-ballista/issues/87)
- Support multiple paths for ListingTableScanNode [\#75](https://github.com/apache/datafusion-ballista/issues/75)
- Need clean up intermediate data in Ballista [\#9](https://github.com/apache/datafusion-ballista/issues/9)
- Ballista does not support external file systems [\#10](https://github.com/apache/datafusion-ballista/issues/10)

**Fixed bugs:**

- Build errors in ./dev/build-ballista-rust.sh [\#407](https://github.com/apache/datafusion-ballista/issues/407)
- The Ballista Scheduler Dockerfile copies a file that no longer exists [\#402](https://github.com/apache/datafusion-ballista/issues/402)
- Benchmark q20 fails [\#374](https://github.com/apache/datafusion-ballista/issues/374)
- Integration tests fail [\#360](https://github.com/apache/datafusion-ballista/issues/360)
- Helm deploy fails [\#344](https://github.com/apache/datafusion-ballista/issues/344)
- Executor get stopped unexpected [\#333](https://github.com/apache/datafusion-ballista/issues/333)
- Executor poll work loop failure [\#311](https://github.com/apache/datafusion-ballista/issues/311)
- Queries with `LIMIT` are failing with "PhysicalExtensionCodec is not provided" [\#300](https://github.com/apache/datafusion-ballista/issues/300)
- Schema inference does not work in Ballista-cli with a remote context [\#287](https://github.com/apache/datafusion-ballista/issues/287)
- There are bugs in the yarn build github misses but break our internal build [\#270](https://github.com/apache/datafusion-ballista/issues/270)
- Race condition running docker-compose [\#267](https://github.com/apache/datafusion-ballista/issues/267)
- Scheduler UI not working in Docker image [\#250](https://github.com/apache/datafusion-ballista/issues/250)
- Use bind host rather than the external host for starting a local executor service [\#244](https://github.com/apache/datafusion-ballista/issues/244)
- Initial query stages read parquet files and repartition them needlessly [\#243](https://github.com/apache/datafusion-ballista/issues/243)
- Cannot build Docker images on macOS 12.5.1 with M1 chip [\#234](https://github.com/apache/datafusion-ballista/issues/234)
- CLI uses DataFusion context if no host or port are provided [\#219](https://github.com/apache/datafusion-ballista/issues/219)
- Unsupported binary operator `StringConcat` [\#201](https://github.com/apache/datafusion-ballista/issues/201)
- Ballista assumes all aggregate expressions are not DISTINCT [\#5](https://github.com/apache/datafusion-ballista/issues/5)
- Start ballista ui with docker, but it can not found ballista scheduler [\#11](https://github.com/apache/datafusion-ballista/issues/11)
- Cannot build Ballista docker images on Apple silicon [\#17](https://github.com/apache/datafusion-ballista/issues/17)

**Documentation updates:**

- Fixup links in README.md [\#366](https://github.com/apache/datafusion-ballista/pull/366) ([romanz](https://github.com/romanz))
- Update README in preparation for 0.9.0 release [\#318](https://github.com/apache/datafusion-ballista/pull/318) ([andygrove](https://github.com/andygrove))
- User Guide improvements [\#274](https://github.com/apache/datafusion-ballista/pull/274) ([andygrove](https://github.com/andygrove))

**Closed issues:**

- Automatic version updates for github actions with dependabot [\#127](https://github.com/apache/datafusion-ballista/issues/127)

**Merged pull requests:**

- Return multiple tasks in poll_work based on free slots [\#429](https://github.com/apache/datafusion-ballista/pull/429) ([Dandandan](https://github.com/Dandandan))
- Run integration tests as part of release verification script [\#426](https://github.com/apache/datafusion-ballista/pull/426) ([andygrove](https://github.com/andygrove))
- Bump actions/setup-node from 2 to 3 [\#424](https://github.com/apache/datafusion-ballista/pull/424) ([dependabot[bot]](https://github.com/apps/dependabot))
- Bump actions/setup-python from 2 to 4 [\#423](https://github.com/apache/datafusion-ballista/pull/423) ([dependabot[bot]](https://github.com/apps/dependabot))
- Bump actions/checkout from 2 to 3 [\#422](https://github.com/apache/datafusion-ballista/pull/422) ([dependabot[bot]](https://github.com/apps/dependabot))
- Bump actions/download-artifact from 2 to 3 [\#421](https://github.com/apache/datafusion-ballista/pull/421) ([dependabot[bot]](https://github.com/apps/dependabot))
- Bump actions/upload-artifact from 2 to 3 [\#420](https://github.com/apache/datafusion-ballista/pull/420) ([dependabot[bot]](https://github.com/apps/dependabot))
- MINOR: Fix yarn warnings [\#415](https://github.com/apache/datafusion-ballista/pull/415) ([andygrove](https://github.com/andygrove))
- Fix q20 sql typo in benchmarks [\#409](https://github.com/apache/datafusion-ballista/pull/409) ([r4ntix](https://github.com/r4ntix))
- MINOR: Add notes on Apache Reporter [\#401](https://github.com/apache/datafusion-ballista/pull/401) ([andygrove](https://github.com/andygrove))
- Use local shuffle reader in containerized environments and some impro… [\#399](https://github.com/apache/datafusion-ballista/pull/399) ([Ted-Jiang](https://github.com/Ted-Jiang))
- Make the scheduler event loop buffer size configurable [\#398](https://github.com/apache/datafusion-ballista/pull/398) ([yahoNanJing](https://github.com/yahoNanJing))
- Add RoundRobinLocal slots policy for caching executor data to avoid seld persistency [\#396](https://github.com/apache/datafusion-ballista/pull/396) ([yahoNanJing](https://github.com/yahoNanJing))
- Add round robin executor slots reservation policy for the scheduler to evenly assign tasks to executors [\#395](https://github.com/apache/datafusion-ballista/pull/395) ([yahoNanJing](https://github.com/yahoNanJing))
- Improve launch task efficiency by calling LaunchMultiTask [\#394](https://github.com/apache/datafusion-ballista/pull/394) ([yahoNanJing](https://github.com/yahoNanJing))
- Cache encoded stage plan [\#393](https://github.com/apache/datafusion-ballista/pull/393) ([yahoNanJing](https://github.com/yahoNanJing))
- Remove active execution graph when the related job is successful or failed [\#392](https://github.com/apache/datafusion-ballista/pull/392) ([yahoNanJing](https://github.com/yahoNanJing))
- Update flatbuffers requirement from 2.1.2 to 22.9.29 [\#390](https://github.com/apache/datafusion-ballista/pull/390) ([dependabot[bot]](https://github.com/apps/dependabot))
- Unified the log level configuration behavior [\#386](https://github.com/apache/datafusion-ballista/pull/386) ([r4ntix](https://github.com/r4ntix))
- Add DistinctCount support [\#384](https://github.com/apache/datafusion-ballista/pull/384) ([r4ntix](https://github.com/r4ntix))
- Pull-based execution loop improvements [\#380](https://github.com/apache/datafusion-ballista/pull/380) ([Dandandan](https://github.com/Dandandan))
- Fix latest commit [\#379](https://github.com/apache/datafusion-ballista/pull/379) ([Dandandan](https://github.com/Dandandan))
- Avoid calling scheduler when the executor cannot accept new tasks [\#378](https://github.com/apache/datafusion-ballista/pull/378) ([Dandandan](https://github.com/Dandandan))
- Switch to mimalloc and enable by default in executor [\#370](https://github.com/apache/datafusion-ballista/pull/370) ([Dandandan](https://github.com/Dandandan))
- Benchmark looks for path with and without extension [\#354](https://github.com/apache/datafusion-ballista/pull/354) ([andygrove](https://github.com/andygrove))
- Implement job cancellation in UI [\#349](https://github.com/apache/datafusion-ballista/pull/349) ([Dandandan](https://github.com/Dandandan))
- Using local shuffle reader avoid flight rpc call. [\#347](https://github.com/apache/datafusion-ballista/pull/347) ([Ted-Jiang](https://github.com/Ted-Jiang))
- Make helm deployable [\#345](https://github.com/apache/datafusion-ballista/pull/345) ([avantgardnerio](https://github.com/avantgardnerio))
- Benchmark & UI improvements [\#343](https://github.com/apache/datafusion-ballista/pull/343) ([andygrove](https://github.com/andygrove))
- Add `cancel_job` REST API [\#340](https://github.com/apache/datafusion-ballista/pull/340) ([tfeda](https://github.com/tfeda))
- Fix labeler [\#337](https://github.com/apache/datafusion-ballista/pull/337) ([andygrove](https://github.com/andygrove))
- Upgrade to DataFusion 13.0.0 [\#336](https://github.com/apache/datafusion-ballista/pull/336) ([andygrove](https://github.com/andygrove))
- Check executor id consistency when receive stop executor request [\#335](https://github.com/apache/datafusion-ballista/pull/335) ([yahoNanJing](https://github.com/yahoNanJing))
- Enable more benchmark serde tests [\#331](https://github.com/apache/datafusion-ballista/pull/331) ([andygrove](https://github.com/andygrove))
- Downgrade `docker-compose.yaml` to version 3.3 so that we can support Ubuntu 20.04.4 LTS [\#329](https://github.com/apache/datafusion-ballista/pull/329) ([andygrove](https://github.com/andygrove))
- update labeler [\#326](https://github.com/apache/datafusion-ballista/pull/326) ([andygrove](https://github.com/andygrove))
- Upgrade to DataFusion 13.0.0-rc1 [\#325](https://github.com/apache/datafusion-ballista/pull/325) ([andygrove](https://github.com/andygrove))
- Dependabot stop suggesting arrow and datafusion updates [\#324](https://github.com/apache/datafusion-ballista/pull/324) ([andygrove](https://github.com/andygrove))
- Show job stages metrics [\#323](https://github.com/apache/datafusion-ballista/pull/323) ([onthebridgetonowhere](https://github.com/onthebridgetonowhere))
- Add helm chart [\#322](https://github.com/apache/datafusion-ballista/pull/322) ([avantgardnerio](https://github.com/avantgardnerio))
- Atomic support for enhancement [\#319](https://github.com/apache/datafusion-ballista/pull/319) ([metesynnada](https://github.com/metesynnada))
- Allow automatic schema inference when registering csv [\#313](https://github.com/apache/datafusion-ballista/pull/313) ([r4ntix](https://github.com/r4ntix))
- Add ability to specify job name and have it show in the job listing page in the UI [\#312](https://github.com/apache/datafusion-ballista/pull/312) ([andygrove](https://github.com/andygrove))
- Add REST API to generate DOT graph for individual query stage [\#310](https://github.com/apache/datafusion-ballista/pull/310) ([andygrove](https://github.com/andygrove))
- \[UI\] Use tabbed pane with Queries and Executors tabs [\#309](https://github.com/apache/datafusion-ballista/pull/309) ([andygrove](https://github.com/andygrove))
- REST API to get query stages [\#305](https://github.com/apache/datafusion-ballista/pull/305) ([andygrove](https://github.com/andygrove))
- Add support for SortPreservingMergeExec; fix LIMIT bug [\#304](https://github.com/apache/datafusion-ballista/pull/304) ([andygrove](https://github.com/andygrove))
- Add Python script to run benchmarks [\#302](https://github.com/apache/datafusion-ballista/pull/302) ([andygrove](https://github.com/andygrove))
- \[UI\] Add ability to view query plans directly in the UI [\#301](https://github.com/apache/datafusion-ballista/pull/301) ([onthebridgetonowhere](https://github.com/onthebridgetonowhere))
- Update datafusion.proto [\#299](https://github.com/apache/datafusion-ballista/pull/299) ([andygrove](https://github.com/andygrove))
- Replace function `from_proto_binary_op` from upstream [\#298](https://github.com/apache/datafusion-ballista/pull/298) ([askoa](https://github.com/askoa))
- Fix dead link in contribution guideline readme file [\#297](https://github.com/apache/datafusion-ballista/pull/297) ([onthebridgetonowhere](https://github.com/onthebridgetonowhere))
- UI code cleanup [\#291](https://github.com/apache/datafusion-ballista/pull/291) ([KenSuenobu](https://github.com/KenSuenobu))
- Add support for S3 data sources [\#290](https://github.com/apache/datafusion-ballista/pull/290) ([andygrove](https://github.com/andygrove))
- Use latest datafusion [\#289](https://github.com/apache/datafusion-ballista/pull/289) ([andygrove](https://github.com/andygrove))
- Fix documentation example [\#288](https://github.com/apache/datafusion-ballista/pull/288) ([onthebridgetonowhere](https://github.com/onthebridgetonowhere))
- Improve formatting of job status in UI [\#286](https://github.com/apache/datafusion-ballista/pull/286) ([andygrove](https://github.com/andygrove))
- Enabled download of dot files from Download icon [\#279](https://github.com/apache/datafusion-ballista/pull/279) ([KenSuenobu](https://github.com/KenSuenobu))
- Executor graceful shutdown: Handle SIGTERM [\#278](https://github.com/apache/datafusion-ballista/pull/278) ([mingmwang](https://github.com/mingmwang))
- Also run yarn build to catch JavaScript errors in CI [\#271](https://github.com/apache/datafusion-ballista/pull/271) ([avantgardnerio](https://github.com/avantgardnerio))
- Store sessions so users can register tables and query them through flight [\#269](https://github.com/apache/datafusion-ballista/pull/269) ([avantgardnerio](https://github.com/avantgardnerio))
- Fix compose for Ian [\#268](https://github.com/apache/datafusion-ballista/pull/268) ([avantgardnerio](https://github.com/avantgardnerio))
- Task level retry and Stage level retry [\#261](https://github.com/apache/datafusion-ballista/pull/261) ([mingmwang](https://github.com/mingmwang))
- Introduce the datafusion-objectstore-hdfs in datafusion-contrib as an object store feature [\#260](https://github.com/apache/datafusion-ballista/pull/260) ([yahoNanJing](https://github.com/yahoNanJing))
- Add a feature based object store provider [\#258](https://github.com/apache/datafusion-ballista/pull/258) ([yahoNanJing](https://github.com/yahoNanJing))
- Make fetch shuffle partition data in parallel [\#256](https://github.com/apache/datafusion-ballista/pull/256) ([yahoNanJing](https://github.com/yahoNanJing))
- Add LaunchMultiTask rpc interface for executor [\#255](https://github.com/apache/datafusion-ballista/pull/255) ([yahoNanJing](https://github.com/yahoNanJing))
- CLI uses ballista context instead of datafusion context in local mode [\#252](https://github.com/apache/datafusion-ballista/pull/252) ([r4ntix](https://github.com/r4ntix))
- Fix Scheduler UI in Docker image [\#251](https://github.com/apache/datafusion-ballista/pull/251) ([andygrove](https://github.com/andygrove))
- Generate into source folder to make IDEs happy [\#247](https://github.com/apache/datafusion-ballista/pull/247) ([avantgardnerio](https://github.com/avantgardnerio))
- Use bind host rather than the external host for starting a local executor service [\#245](https://github.com/apache/datafusion-ballista/pull/245) ([yahoNanJing](https://github.com/yahoNanJing))
- Add REST endpoint to get DOT graph of a job [\#242](https://github.com/apache/datafusion-ballista/pull/242) ([andygrove](https://github.com/andygrove))
- Add list of jobs to scheduler UI [\#241](https://github.com/apache/datafusion-ballista/pull/241) ([andygrove](https://github.com/andygrove))
- Clean up job data on both Scheduler and Executor [\#188](https://github.com/apache/datafusion-ballista/pull/188) ([mingmwang](https://github.com/mingmwang))
- Update etcd-client requirement from 0.9 to 0.10 [\#111](https://github.com/apache/datafusion-ballista/pull/111) ([dependabot[bot]](https://github.com/apps/dependabot))
- Bump terser from 4.8.0 to 4.8.1 in /ballista/ui/scheduler [\#91](https://github.com/apache/datafusion-ballista/pull/91) ([dependabot[bot]](https://github.com/apps/dependabot))
- Bump jsdom from 16.4.0 to 16.7.0 in /ballista/ui/scheduler [\#74](https://github.com/apache/datafusion-ballista/pull/74) ([dependabot[bot]](https://github.com/apps/dependabot))
- Bump numpy from 1.21.3 to 1.22.0 in /python [\#72](https://github.com/apache/datafusion-ballista/pull/72) ([dependabot[bot]](https://github.com/apps/dependabot))

## [0.8.0](https://github.com/apache/datafusion-ballista/tree/0.8.0) (2022-09-16)

[Full Changelog](https://github.com/apache/datafusion-ballista/compare/0.7.0...0.8.0)

**Implemented enhancements:**

- Executor should use all available cores by default [\#218](https://github.com/apache/datafusion-ballista/issues/218)
- Update task status to the task job curator scheduler [\#179](https://github.com/apache/datafusion-ballista/issues/179)
- update datafusion and arrow to 20.0.0 [\#176](https://github.com/apache/datafusion-ballista/issues/176)
- No scheduler logs when deployed to k8s [\#165](https://github.com/apache/datafusion-ballista/issues/165)
- Upgrade to DataFusion 11.0.0 [\#163](https://github.com/apache/datafusion-ballista/issues/163)
- Better encapsulation for ExecutionGraph [\#149](https://github.com/apache/datafusion-ballista/issues/149)
- A stage may act as the input of multiple stages [\#144](https://github.com/apache/datafusion-ballista/issues/144)
- Executor Lost handling [\#143](https://github.com/apache/datafusion-ballista/issues/143)
- Cancel a running query. [\#139](https://github.com/apache/datafusion-ballista/issues/139)
- Ignore the previous job_id inside fill_reservations\(\) [\#138](https://github.com/apache/datafusion-ballista/issues/138)
- Normalize the serialization and deserialization places of protobuf structs [\#137](https://github.com/apache/datafusion-ballista/issues/137)
- Remove revive offer event loop [\#136](https://github.com/apache/datafusion-ballista/issues/136)
- Remove Keyspace::QueuedJobs [\#133](https://github.com/apache/datafusion-ballista/issues/133)
- Spawn a thread for execution plan generation [\#131](https://github.com/apache/datafusion-ballista/issues/131)
- Introduce CuratorTaskManager for make an active job be curated by only one scheduler [\#130](https://github.com/apache/datafusion-ballista/issues/130)
- Using tokio tracing for log file [\#122](https://github.com/apache/datafusion-ballista/issues/122)
- Ballista Executor report plan/operators metrics to Ballista Scheduler when task finish [\#116](https://github.com/apache/datafusion-ballista/issues/116)
- Add timeout settings for Grpc Client [\#114](https://github.com/apache/datafusion-ballista/issues/114)
- Add log level config in ballista [\#102](https://github.com/apache/datafusion-ballista/issues/102)
- Use another channel to update the status of a task set for executor [\#96](https://github.com/apache/datafusion-ballista/issues/96)
- Add config for concurrent_task in executor [\#94](https://github.com/apache/datafusion-ballista/issues/94)
- Ballista should support Arrow FlightSQL [\#92](https://github.com/apache/datafusion-ballista/issues/92)
- Why not include the `ballista-cli` in the member of workspace [\#88](https://github.com/apache/datafusion-ballista/issues/88)
- Upgrade dependency of arrow-datafusion to commit d0d5564b8f689a01e542b8c1df829d74d0fab2b0 [\#84](https://github.com/apache/datafusion-ballista/issues/84)
- Support sled path in config file. [\#79](https://github.com/apache/datafusion-ballista/issues/79)
- Support for multi-scheduler deployments [\#39](https://github.com/apache/datafusion-ballista/issues/39)
- Ballista 0.7.0 Release [\#126](https://github.com/apache/datafusion-ballista/issues/126)
- Improvements to Ballista extensibility [\#8](https://github.com/apache/datafusion-ballista/issues/8)
- Implement Python bindings for BallistaContext [\#15](https://github.com/apache/datafusion-ballista/issues/15)

**Fixed bugs:**

- Run example fails via PushStaged mode [\#214](https://github.com/apache/datafusion-ballista/issues/214)
- Config settings in BallistaContext do not get passed to DataFusion context [\#213](https://github.com/apache/datafusion-ballista/issues/213)
- Start scheduler fails with arguments "-s PushStaged" [\#207](https://github.com/apache/datafusion-ballista/issues/207)
- FlightSQL is broken and CI isn't catching it [\#190](https://github.com/apache/datafusion-ballista/issues/190)
- Query fails with "NULL is invalid as a DataFusion scalar value" [\#180](https://github.com/apache/datafusion-ballista/issues/180)
- Executor doesn't compile, missing `tokio::signal` [\#171](https://github.com/apache/datafusion-ballista/issues/171)
- Unable to build master [\#76](https://github.com/apache/datafusion-ballista/issues/76)

## [ballista-0.7.0](https://github.com/apache/arrow-datafusion/tree/ballista-0.7.0) (2022-05-12)

[Full Changelog](https://github.com/apache/arrow-datafusion/compare/7.1.0-rc1...ballista-0.7.0)

**Breaking changes:**

- Make `ExecutionPlan::execute` Sync [\#2434](https://github.com/apache/arrow-datafusion/pull/2434) ([tustvold](https://github.com/tustvold))
- Add `Expr::Exists` to represent EXISTS subquery expression [\#2339](https://github.com/apache/arrow-datafusion/pull/2339) ([andygrove](https://github.com/andygrove))
- Remove dependency from `LogicalPlan::TableScan` to `ExecutionPlan` [\#2284](https://github.com/apache/arrow-datafusion/pull/2284) ([andygrove](https://github.com/andygrove))
- Move logical expression type-coercion code from `physical-expr` crate to `expr` crate [\#2257](https://github.com/apache/arrow-datafusion/pull/2257) ([andygrove](https://github.com/andygrove))
- feat: 2061 create external table ddl table partition cols [\#2099](https://github.com/apache/arrow-datafusion/pull/2099) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([jychen7](https://github.com/jychen7))
- Reorganize the project folders [\#2081](https://github.com/apache/arrow-datafusion/pull/2081) ([yahoNanJing](https://github.com/yahoNanJing))
- Support more ScalarFunction in Ballista [\#2008](https://github.com/apache/arrow-datafusion/pull/2008) ([Ted-Jiang](https://github.com/Ted-Jiang))
- Merge dataframe and dataframe imp [\#1998](https://github.com/apache/arrow-datafusion/pull/1998) ([vchag](https://github.com/vchag))
- Rename `ExecutionContext` to `SessionContext`, `ExecutionContextState` to `SessionState`, add `TaskContext` to support multi-tenancy configurations - Part 1 [\#1987](https://github.com/apache/arrow-datafusion/pull/1987) ([mingmwang](https://github.com/mingmwang))
- Add Coalesce function [\#1969](https://github.com/apache/arrow-datafusion/pull/1969) ([msathis](https://github.com/msathis))
- Add Create Schema functionality in SQL [\#1959](https://github.com/apache/arrow-datafusion/pull/1959) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([matthewmturner](https://github.com/matthewmturner))
- remove sync constraint of SendableRecordBatchStream [\#1884](https://github.com/apache/arrow-datafusion/pull/1884) ([doki23](https://github.com/doki23))

**Implemented enhancements:**

- Add `CREATE VIEW` [\#2279](https://github.com/apache/arrow-datafusion/pull/2279) ([matthewmturner](https://github.com/matthewmturner))
- \[Ballista\] Support Union in ballista. [\#2098](https://github.com/apache/arrow-datafusion/pull/2098) ([Ted-Jiang](https://github.com/Ted-Jiang))
- Add missing aggr_expr to PhysicalExprNode for Ballista. [\#1989](https://github.com/apache/arrow-datafusion/pull/1989) ([Ted-Jiang](https://github.com/Ted-Jiang))

**Fixed bugs:**

- Ballista integration tests no longer work [\#2440](https://github.com/apache/arrow-datafusion/issues/2440)
- Ballista crates cannot be released from DafaFusion 7.0.0 source release [\#1980](https://github.com/apache/arrow-datafusion/issues/1980)
- protobuf OctetLength should be deserialized as octet_length, not length [\#1834](https://github.com/apache/arrow-datafusion/pull/1834) ([carols10cents](https://github.com/carols10cents))

**Documentation updates:**

- MINOR: Make crate READMEs consistent [\#2437](https://github.com/apache/arrow-datafusion/pull/2437) ([andygrove](https://github.com/andygrove))
- docs: Update the Ballista dev env instructions [\#2419](https://github.com/apache/arrow-datafusion/pull/2419) ([haoxins](https://github.com/haoxins))
- Revise document of installing ballista pinned to specified version [\#2034](https://github.com/apache/arrow-datafusion/pull/2034) ([WinkerDu](https://github.com/WinkerDu))
- Fix typos \(Datafusion -\> DataFusion\) [\#1993](https://github.com/apache/arrow-datafusion/pull/1993) ([andygrove](https://github.com/andygrove))

**Performance improvements:**

- Introduce StageManager for managing tasks stage by stage [\#1983](https://github.com/apache/arrow-datafusion/pull/1983) ([yahoNanJing](https://github.com/yahoNanJing))

**Closed issues:**

- Make expected result string in unit tests more readable [\#2412](https://github.com/apache/arrow-datafusion/issues/2412)
- remove duplicated `fn aggregate()` in aggregate expression tests [\#2399](https://github.com/apache/arrow-datafusion/issues/2399)
- split `distinct_expression.rs` into `count_distinct.rs` and `array_agg_distinct.rs` [\#2385](https://github.com/apache/arrow-datafusion/issues/2385)
- move sql tests in `context.rs` to corresponding test files in `datafustion/core/tests/sql` [\#2328](https://github.com/apache/arrow-datafusion/issues/2328)
- Date32/Date64 as join keys for merge join [\#2314](https://github.com/apache/arrow-datafusion/issues/2314)
- Error precision and scale for decimal coercion in logic comparison [\#2232](https://github.com/apache/arrow-datafusion/issues/2232)
- Support Multiple row layout [\#2188](https://github.com/apache/arrow-datafusion/issues/2188)
- Discussion: Is Ballista a standalone system or framework [\#1916](https://github.com/apache/arrow-datafusion/issues/1916)

**Merged pull requests:**

- MINOR: Enable multi-statement benchmark queries [\#2507](https://github.com/apache/arrow-datafusion/pull/2507) ([andygrove](https://github.com/andygrove))
- Persist session configs in scheduler [\#2501](https://github.com/apache/arrow-datafusion/pull/2501) ([thinkharderdev](https://github.com/thinkharderdev))
- Update to `sqlparser` `0.17.0` [\#2500](https://github.com/apache/arrow-datafusion/pull/2500) ([alamb](https://github.com/alamb))
- Limit cpu cores used when generating changelog [\#2494](https://github.com/apache/arrow-datafusion/pull/2494) ([andygrove](https://github.com/andygrove))
- MINOR: Parameterize changelog script [\#2484](https://github.com/apache/arrow-datafusion/pull/2484) ([jychen7](https://github.com/jychen7))
- Fix stage key extraction [\#2472](https://github.com/apache/arrow-datafusion/pull/2472) ([thinkharderdev](https://github.com/thinkharderdev))
- Add support for list_dir\(\) on local fs [\#2467](https://github.com/apache/arrow-datafusion/pull/2467) ([wjones127](https://github.com/wjones127))
- minor: update versions and paths in changelog scripts [\#2429](https://github.com/apache/arrow-datafusion/pull/2429) ([andygrove](https://github.com/andygrove))
- Fix Ballista executing during plan [\#2428](https://github.com/apache/arrow-datafusion/pull/2428) ([tustvold](https://github.com/tustvold))
- Re-organize and rename aggregates physical plan [\#2388](https://github.com/apache/arrow-datafusion/pull/2388) ([yjshen](https://github.com/yjshen))
- Upgrade to arrow 13 [\#2382](https://github.com/apache/arrow-datafusion/pull/2382) ([alamb](https://github.com/alamb))
- Grouped Aggregate in row format [\#2375](https://github.com/apache/arrow-datafusion/pull/2375) ([yjshen](https://github.com/yjshen))
- Stop optimizing queries twice [\#2369](https://github.com/apache/arrow-datafusion/pull/2369) ([andygrove](https://github.com/andygrove))
- Bump follow-redirects from 1.13.2 to 1.14.9 in /ballista/ui/scheduler [\#2325](https://github.com/apache/arrow-datafusion/pull/2325) ([dependabot[bot]](https://github.com/apps/dependabot))
- Move FileType enum from sql module to logical_plan module [\#2290](https://github.com/apache/arrow-datafusion/pull/2290) ([andygrove](https://github.com/andygrove))
- Add BatchPartitioner \(\#2285\) [\#2287](https://github.com/apache/arrow-datafusion/pull/2287) ([tustvold](https://github.com/tustvold))
- Update uuid requirement from 0.8 to 1.0 [\#2280](https://github.com/apache/arrow-datafusion/pull/2280) ([dependabot[bot]](https://github.com/apps/dependabot))
- Bump async from 2.6.3 to 2.6.4 in /ballista/ui/scheduler [\#2277](https://github.com/apache/arrow-datafusion/pull/2277) ([dependabot[bot]](https://github.com/apps/dependabot))
- Bump minimist from 1.2.5 to 1.2.6 in /ballista/ui/scheduler [\#2276](https://github.com/apache/arrow-datafusion/pull/2276) ([dependabot[bot]](https://github.com/apps/dependabot))
- Bump url-parse from 1.5.1 to 1.5.10 in /ballista/ui/scheduler [\#2275](https://github.com/apache/arrow-datafusion/pull/2275) ([dependabot[bot]](https://github.com/apps/dependabot))
- Bump nanoid from 3.1.20 to 3.3.3 in /ballista/ui/scheduler [\#2274](https://github.com/apache/arrow-datafusion/pull/2274) ([dependabot[bot]](https://github.com/apps/dependabot))
- Update to Arrow 12.0.0, update tonic and prost [\#2253](https://github.com/apache/arrow-datafusion/pull/2253) ([alamb](https://github.com/alamb))
- Add ExecutorMetricsCollector interface [\#2234](https://github.com/apache/arrow-datafusion/pull/2234) ([thinkharderdev](https://github.com/thinkharderdev))
- minor: add editor config file [\#2224](https://github.com/apache/arrow-datafusion/pull/2224) ([jackwener](https://github.com/jackwener))
- \[Ballista\] Enable ApproxPercentileWithWeight in Ballista and fill UT [\#2192](https://github.com/apache/arrow-datafusion/pull/2192) ([Ted-Jiang](https://github.com/Ted-Jiang))
- make nightly clippy happy [\#2186](https://github.com/apache/arrow-datafusion/pull/2186) ([xudong963](https://github.com/xudong963))
- \[Ballista\]Make PhysicalAggregateExprNode has repeated PhysicalExprNode [\#2184](https://github.com/apache/arrow-datafusion/pull/2184) ([Ted-Jiang](https://github.com/Ted-Jiang))
- Add LogicalPlan::SubqueryAlias [\#2172](https://github.com/apache/arrow-datafusion/pull/2172) ([andygrove](https://github.com/andygrove))
- Implement fast path of with_new_children\(\) in ExecutionPlan [\#2168](https://github.com/apache/arrow-datafusion/pull/2168) ([mingmwang](https://github.com/mingmwang))
- \[MINOR\] ignore suspicious slow test in Ballista [\#2167](https://github.com/apache/arrow-datafusion/pull/2167) ([Ted-Jiang](https://github.com/Ted-Jiang))
- enable explain for ballista [\#2163](https://github.com/apache/arrow-datafusion/pull/2163) ([doki23](https://github.com/doki23))
- Add delimiter for create external table [\#2162](https://github.com/apache/arrow-datafusion/pull/2162) ([matthewmturner](https://github.com/matthewmturner))
- Update sqlparser requirement from 0.15 to 0.16 [\#2152](https://github.com/apache/arrow-datafusion/pull/2152) ([dependabot[bot]](https://github.com/apps/dependabot))
- Add IF NOT EXISTS to `CREATE TABLE` and `CREATE EXTERNAL TABLE` [\#2143](https://github.com/apache/arrow-datafusion/pull/2143) ([matthewmturner](https://github.com/matthewmturner))
- Update quarterly roadmap for Q2 [\#2133](https://github.com/apache/arrow-datafusion/pull/2133) ([matthewmturner](https://github.com/matthewmturner))
- \[Ballista\] Add ballista plugin manager and UDF plugin [\#2131](https://github.com/apache/arrow-datafusion/pull/2131) ([gaojun2048](https://github.com/gaojun2048))
- Serialize scalar UDFs in physical plan [\#2130](https://github.com/apache/arrow-datafusion/pull/2130) ([thinkharderdev](https://github.com/thinkharderdev))
- doc: update release schedule [\#2110](https://github.com/apache/arrow-datafusion/pull/2110) ([jychen7](https://github.com/jychen7))
- Reduce repetition in Decimal binary kernels, upgrade to arrow 11.1 [\#2107](https://github.com/apache/arrow-datafusion/pull/2107) ([alamb](https://github.com/alamb))
- update zlib version to 1.2.12 [\#2106](https://github.com/apache/arrow-datafusion/pull/2106) ([waitingkuo](https://github.com/waitingkuo))
- Add CREATE DATABASE command to SQL [\#2094](https://github.com/apache/arrow-datafusion/pull/2094) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([matthewmturner](https://github.com/matthewmturner))
- Refactor SessionContext, BallistaContext to support multi-tenancy configurations - Part 3 [\#2091](https://github.com/apache/arrow-datafusion/pull/2091) ([mingmwang](https://github.com/mingmwang))
- Remove dependency of common for the storage crate [\#2076](https://github.com/apache/arrow-datafusion/pull/2076) ([yahoNanJing](https://github.com/yahoNanJing))
- [MINOR] fix doc in `EXTRACT\(field FROM source\) [\#2074](https://github.com/apache/arrow-datafusion/pull/2074) ([Ted-Jiang](https://github.com/Ted-Jiang))
- \[Bug\]\[Datafusion\] fix TaskContext session_config bug [\#2070](https://github.com/apache/arrow-datafusion/pull/2070) ([gaojun2048](https://github.com/gaojun2048))
- Short-circuit evaluation for `CaseWhen` [\#2068](https://github.com/apache/arrow-datafusion/pull/2068) ([yjshen](https://github.com/yjshen))
- split datafusion-object-store module [\#2065](https://github.com/apache/arrow-datafusion/pull/2065) ([yahoNanJing](https://github.com/yahoNanJing))
- Change log level for noisy logs [\#2060](https://github.com/apache/arrow-datafusion/pull/2060) ([thinkharderdev](https://github.com/thinkharderdev))
- Update to arrow/parquet 11.0 [\#2048](https://github.com/apache/arrow-datafusion/pull/2048) ([alamb](https://github.com/alamb))
- minor: format comments \(`//` to `//`\) [\#2047](https://github.com/apache/arrow-datafusion/pull/2047) ([jackwener](https://github.com/jackwener))
- use cargo-tomlfmt to check Cargo.toml formatting in CI [\#2033](https://github.com/apache/arrow-datafusion/pull/2033) ([WinkerDu](https://github.com/WinkerDu))
- Refactor SessionContext, SessionState and SessionConfig to support multi-tenancy configurations - Part 2 [\#2029](https://github.com/apache/arrow-datafusion/pull/2029) ([mingmwang](https://github.com/mingmwang))
- Simplify prerequisites for running examples [\#2028](https://github.com/apache/arrow-datafusion/pull/2028) ([doki23](https://github.com/doki23))
- Use SessionContext to parse Expr protobuf [\#2024](https://github.com/apache/arrow-datafusion/pull/2024) ([thinkharderdev](https://github.com/thinkharderdev))
- Fix stuck issue for the load testing of Push-based task scheduling [\#2006](https://github.com/apache/arrow-datafusion/pull/2006) ([yahoNanJing](https://github.com/yahoNanJing))
- Fixing a typo in documentation [\#1997](https://github.com/apache/arrow-datafusion/pull/1997) ([psvri](https://github.com/psvri))
- Fix minor clippy issue [\#1995](https://github.com/apache/arrow-datafusion/pull/1995) ([alamb](https://github.com/alamb))
- Make it possible to only scan part of a parquet file in a partition [\#1990](https://github.com/apache/arrow-datafusion/pull/1990) ([yjshen](https://github.com/yjshen))
- Update Dockerfile to fix integration tests [\#1982](https://github.com/apache/arrow-datafusion/pull/1982) ([andygrove](https://github.com/andygrove))
- Update sqlparser requirement from 0.14 to 0.15 [\#1966](https://github.com/apache/arrow-datafusion/pull/1966) ([dependabot[bot]](https://github.com/apps/dependabot))
- fix logical conflict with protobuf [\#1958](https://github.com/apache/arrow-datafusion/pull/1958) ([alamb](https://github.com/alamb))
- Update to arrow 10.0.0, pyo3 0.16 [\#1957](https://github.com/apache/arrow-datafusion/pull/1957) ([alamb](https://github.com/alamb))
- update jit-related dependencies [\#1953](https://github.com/apache/arrow-datafusion/pull/1953) ([xudong963](https://github.com/xudong963))
- Allow different types of query variables \(`@@var`\) rather than just string [\#1943](https://github.com/apache/arrow-datafusion/pull/1943) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([maxburke](https://github.com/maxburke))
- Pruning serialization [\#1941](https://github.com/apache/arrow-datafusion/pull/1941) ([thinkharderdev](https://github.com/thinkharderdev))
- Fix select from EmptyExec always return 0 row after optimizer passes [\#1938](https://github.com/apache/arrow-datafusion/pull/1938) ([Ted-Jiang](https://github.com/Ted-Jiang))
- Introduce Ballista query stage scheduler [\#1935](https://github.com/apache/arrow-datafusion/pull/1935) ([yahoNanJing](https://github.com/yahoNanJing))
- Add db benchmark script [\#1928](https://github.com/apache/arrow-datafusion/pull/1928) ([matthewmturner](https://github.com/matthewmturner))
- fix a typo [\#1919](https://github.com/apache/arrow-datafusion/pull/1919) ([vchag](https://github.com/vchag))
- \[MINOR\] Update copyright year in Docs [\#1918](https://github.com/apache/arrow-datafusion/pull/1918) ([alamb](https://github.com/alamb))
- add metadata to DFSchema, close \#1806. [\#1914](https://github.com/apache/arrow-datafusion/pull/1914) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([jiacai2050](https://github.com/jiacai2050))
- Refactor scheduler state mod [\#1913](https://github.com/apache/arrow-datafusion/pull/1913) ([yahoNanJing](https://github.com/yahoNanJing))
- Refactor the event channel [\#1912](https://github.com/apache/arrow-datafusion/pull/1912) ([yahoNanJing](https://github.com/yahoNanJing))
- Refactor scheduler server [\#1911](https://github.com/apache/arrow-datafusion/pull/1911) ([yahoNanJing](https://github.com/yahoNanJing))
- Clippy fix on nightly [\#1907](https://github.com/apache/arrow-datafusion/pull/1907) ([yjshen](https://github.com/yjshen))
- Updated Rust version to 1.59 in all the files [\#1903](https://github.com/apache/arrow-datafusion/pull/1903) ([NaincyKumariKnoldus](https://github.com/NaincyKumariKnoldus))
- Remove uneeded Mutex in Ballista Client [\#1898](https://github.com/apache/arrow-datafusion/pull/1898) ([alamb](https://github.com/alamb))
- Create a `datafusion-proto` crate for datafusion protobuf serialization [\#1887](https://github.com/apache/arrow-datafusion/pull/1887) ([carols10cents](https://github.com/carols10cents))
- Fix clippy lints [\#1885](https://github.com/apache/arrow-datafusion/pull/1885) ([HaoYang670](https://github.com/HaoYang670))
- Separate cpu-bound \(query-execution\) and IO-bound\(heartbeat\) to … [\#1883](https://github.com/apache/arrow-datafusion/pull/1883) ([Ted-Jiang](https://github.com/Ted-Jiang))
- \[Minor\] Clean up DecimalArray API Usage [\#1869](https://github.com/apache/arrow-datafusion/pull/1869) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([alamb](https://github.com/alamb))
- Changes after went through "Datafusion as a library section" [\#1868](https://github.com/apache/arrow-datafusion/pull/1868) ([nonontb](https://github.com/nonontb))
- Remove allow unused imports from ballista-core, then fix all warnings [\#1853](https://github.com/apache/arrow-datafusion/pull/1853) ([carols10cents](https://github.com/carols10cents))
- Update to arrow 9.1.0 [\#1851](https://github.com/apache/arrow-datafusion/pull/1851) ([alamb](https://github.com/alamb))
- move some tests out of context and into sql [\#1846](https://github.com/apache/arrow-datafusion/pull/1846) ([alamb](https://github.com/alamb))
- Fix compiling ballista in standalone mode, add build to CI [\#1839](https://github.com/apache/arrow-datafusion/pull/1839) ([alamb](https://github.com/alamb))
- Update documentation example for change in API [\#1812](https://github.com/apache/arrow-datafusion/pull/1812) ([alamb](https://github.com/alamb))
- Refactor scheduler state with different management policy for volatile and stable states [\#1810](https://github.com/apache/arrow-datafusion/pull/1810) ([yahoNanJing](https://github.com/yahoNanJing))
- DataFusion + Conbench Integration [\#1791](https://github.com/apache/arrow-datafusion/pull/1791) ([dianaclarke](https://github.com/dianaclarke))
- Enable periodic cleanup of work_dir directories in ballista executor [\#1783](https://github.com/apache/arrow-datafusion/pull/1783) ([Ted-Jiang](https://github.com/Ted-Jiang))
- Use`eq_dyn`, `neq_dyn`, `lt_dyn`, `lt_eq_dyn`, `gt_dyn`, `gt_eq_dyn` kernels from arrow [\#1475](https://github.com/apache/arrow-datafusion/pull/1475) ([alamb](https://github.com/alamb))

## [7.1.0-rc1](https://github.com/apache/arrow-datafusion/tree/7.1.0-rc1) (2022-04-10)

[Full Changelog](https://github.com/apache/arrow-datafusion/compare/7.0.0-rc2...7.1.0-rc1)

**Implemented enhancements:**

- Support substring with three arguments: \(str, from, for\) for DataFrame API and Ballista [\#2092](https://github.com/apache/arrow-datafusion/issues/2092)
- UnionAll support for Ballista [\#2032](https://github.com/apache/arrow-datafusion/issues/2032)
- Separate cpu-bound and IO-bound work in ballista-executor by using diff tokio runtime. [\#1770](https://github.com/apache/arrow-datafusion/issues/1770)
- \[Ballista\] Introduce DAGScheduler for better managing the stage-based task scheduling [\#1704](https://github.com/apache/arrow-datafusion/issues/1704)
- \[Ballista\] Support to better manage cluster state, like alive executors, executor available task slots, etc [\#1703](https://github.com/apache/arrow-datafusion/issues/1703)

**Closed issues:**

- Optimize memory usage pattern to avoid "double memory" behavior [\#2149](https://github.com/apache/arrow-datafusion/issues/2149)
- Document approx_percentile_cont_with_weight in users guide [\#2078](https://github.com/apache/arrow-datafusion/issues/2078)
- \[follow up\]cleaning up statements.remove\(0\) [\#1986](https://github.com/apache/arrow-datafusion/issues/1986)
- Formatting error on documentation for Python [\#1873](https://github.com/apache/arrow-datafusion/issues/1873)
- Remove duplicate tests from `test_const_evaluator_scalar_functions` [\#1727](https://github.com/apache/arrow-datafusion/issues/1727)
- Question: Is the Ballista project providing value to the overall DataFusion project? [\#1273](https://github.com/apache/arrow-datafusion/issues/1273)

## [7.0.0-rc2](https://github.com/apache/arrow-datafusion/tree/7.0.0-rc2) (2022-02-14)

[Full Changelog](https://github.com/apache/arrow-datafusion/compare/7.0.0...7.0.0-rc2)

## [7.0.0](https://github.com/apache/arrow-datafusion/tree/7.0.0) (2022-02-14)

[Full Changelog](https://github.com/apache/arrow-datafusion/compare/6.0.0-rc0...7.0.0)

**Breaking changes:**

- Update `ExecutionPlan` to know about sortedness and repartitioning optimizer pass respect the invariants [\#1776](https://github.com/apache/arrow-datafusion/pull/1776) ([alamb](https://github.com/alamb))
- Update to `arrow 8.0.0` [\#1673](https://github.com/apache/arrow-datafusion/pull/1673) ([alamb](https://github.com/alamb))

**Implemented enhancements:**

- Task assignment between Scheduler and Executors [\#1221](https://github.com/apache/arrow-datafusion/issues/1221)
- Add `approx_median()` aggregate function [\#1729](https://github.com/apache/arrow-datafusion/pull/1729) ([realno](https://github.com/realno))
- \[Ballista\] Add Decimal128, Date64, TimestampSecond, TimestampMillisecond, Interv… [\#1659](https://github.com/apache/arrow-datafusion/pull/1659) ([gaojun2048](https://github.com/gaojun2048))
- Add `corr` aggregate function [\#1561](https://github.com/apache/arrow-datafusion/pull/1561) ([realno](https://github.com/realno))
- Add `covar`, `covar_pop` and `covar_samp` aggregate functions [\#1551](https://github.com/apache/arrow-datafusion/pull/1551) ([realno](https://github.com/realno))
- Add `approx_quantile()` aggregation function [\#1539](https://github.com/apache/arrow-datafusion/pull/1539) ([domodwyer](https://github.com/domodwyer))
- Initial MemoryManager and DiskManager APIs for query execution + External Sort implementation [\#1526](https://github.com/apache/arrow-datafusion/pull/1526) ([yjshen](https://github.com/yjshen))
- Add `stddev` and `variance` [\#1525](https://github.com/apache/arrow-datafusion/pull/1525) ([realno](https://github.com/realno))
- Add `rem` operation for Expr [\#1467](https://github.com/apache/arrow-datafusion/pull/1467) ([liukun4515](https://github.com/liukun4515))
- Implement `array_agg` aggregate function [\#1300](https://github.com/apache/arrow-datafusion/pull/1300) ([viirya](https://github.com/viirya))

**Fixed bugs:**

- Ballista context::tests::test_standalone_mode test fails [\#1020](https://github.com/apache/arrow-datafusion/issues/1020)
- \[Ballista\] Fix scheduler state mod bug [\#1655](https://github.com/apache/arrow-datafusion/pull/1655) ([gaojun2048](https://github.com/gaojun2048))
- Pass local address host so we do not get mismatch between IPv4 and IP… [\#1466](https://github.com/apache/arrow-datafusion/pull/1466) ([thinkharderdev](https://github.com/thinkharderdev))
- Add Timezone to Scalar::Time\* types, and better timezone awareness to Datafusion's time types [\#1455](https://github.com/apache/arrow-datafusion/pull/1455) ([maxburke](https://github.com/maxburke))

**Documentation updates:**

- Add dependencies to ballista example documentation [\#1346](https://github.com/apache/arrow-datafusion/pull/1346) ([jgoday](https://github.com/jgoday))
- \[MINOR\] Fix some typos. [\#1310](https://github.com/apache/arrow-datafusion/pull/1310) ([Ted-Jiang](https://github.com/Ted-Jiang))
- fix some clippy warnings from nightly channel [\#1277](https://github.com/apache/arrow-datafusion/pull/1277) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([Jimexist](https://github.com/Jimexist))

**Performance improvements:**

- Introduce push-based task scheduling for Ballista [\#1560](https://github.com/apache/arrow-datafusion/pull/1560) ([yahoNanJing](https://github.com/yahoNanJing))

**Closed issues:**

- Track memory usage in Non Limited Operators [\#1569](https://github.com/apache/arrow-datafusion/issues/1569)
- \[Question\] Why does ballista store tables in the client instead of in the SchedulerServer [\#1473](https://github.com/apache/arrow-datafusion/issues/1473)
- Why use the expr types before coercion to get the result type? [\#1358](https://github.com/apache/arrow-datafusion/issues/1358)
- A problem about the projection_push_down optimizer gathers valid columns [\#1312](https://github.com/apache/arrow-datafusion/issues/1312)
- apply constant folding to `LogicalPlan::Values` [\#1170](https://github.com/apache/arrow-datafusion/issues/1170)
- reduce usage of `IntoIterator<Item = Expr>` in logical plan builder window fn [\#372](https://github.com/apache/arrow-datafusion/issues/372)

**Merged pull requests:**

- Fix verification scripts for 7.0.0 release [\#1830](https://github.com/apache/arrow-datafusion/pull/1830) ([alamb](https://github.com/alamb))
- update README for ballista [\#1817](https://github.com/apache/arrow-datafusion/pull/1817) ([liukun4515](https://github.com/liukun4515))
- Fix logical conflict [\#1801](https://github.com/apache/arrow-datafusion/pull/1801) ([alamb](https://github.com/alamb))
- Improve the error message and UX of tpch benchmark program [\#1800](https://github.com/apache/arrow-datafusion/pull/1800) ([alamb](https://github.com/alamb))
- Update to sqlparser 0.14 [\#1796](https://github.com/apache/arrow-datafusion/pull/1796) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([alamb](https://github.com/alamb))
- Update datafusion versions [\#1793](https://github.com/apache/arrow-datafusion/pull/1793) ([matthewmturner](https://github.com/matthewmturner))
- Update datafusion to use arrow 9.0.0 [\#1775](https://github.com/apache/arrow-datafusion/pull/1775) ([alamb](https://github.com/alamb))
- Update parking_lot requirement from 0.11 to 0.12 [\#1735](https://github.com/apache/arrow-datafusion/pull/1735) ([dependabot[bot]](https://github.com/apps/dependabot))
- substitute `parking_lot::Mutex` for `std::sync::Mutex` [\#1720](https://github.com/apache/arrow-datafusion/pull/1720) ([xudong963](https://github.com/xudong963))
- Create ListingTableConfig which includes file format and schema inference [\#1715](https://github.com/apache/arrow-datafusion/pull/1715) ([matthewmturner](https://github.com/matthewmturner))
- Support `create_physical_expr` and `ExecutionContextState` or `DefaultPhysicalPlanner` for faster speed [\#1700](https://github.com/apache/arrow-datafusion/pull/1700) ([alamb](https://github.com/alamb))
- Use NamedTempFile rather than `String` in DiskManager [\#1680](https://github.com/apache/arrow-datafusion/pull/1680) ([alamb](https://github.com/alamb))
- Abstract over logical and physical plan representations in Ballista [\#1677](https://github.com/apache/arrow-datafusion/pull/1677) ([thinkharderdev](https://github.com/thinkharderdev))
- upgrade clap to version 3 [\#1672](https://github.com/apache/arrow-datafusion/pull/1672) ([Jimexist](https://github.com/Jimexist))
- Improve configuration and resource use of `MemoryManager` and `DiskManager` [\#1668](https://github.com/apache/arrow-datafusion/pull/1668) ([alamb](https://github.com/alamb))
- Make `MemoryManager` and `MemoryStream` public [\#1664](https://github.com/apache/arrow-datafusion/pull/1664) ([yjshen](https://github.com/yjshen))
- Consolidate Schema and RecordBatch projection [\#1638](https://github.com/apache/arrow-datafusion/pull/1638) ([alamb](https://github.com/alamb))
- Update hashbrown requirement from 0.11 to 0.12 [\#1631](https://github.com/apache/arrow-datafusion/pull/1631) ([dependabot[bot]](https://github.com/apps/dependabot))
- Update etcd-client requirement from 0.7 to 0.8 [\#1626](https://github.com/apache/arrow-datafusion/pull/1626) ([dependabot[bot]](https://github.com/apps/dependabot))
- update nightly version [\#1597](https://github.com/apache/arrow-datafusion/pull/1597) ([Jimexist](https://github.com/Jimexist))
- Add support show tables and show columns for ballista [\#1593](https://github.com/apache/arrow-datafusion/pull/1593) ([gaojun2048](https://github.com/gaojun2048))
- minor: improve the benchmark readme [\#1567](https://github.com/apache/arrow-datafusion/pull/1567) ([xudong963](https://github.com/xudong963))
- Consolidate `batch_size` configuration in `ExecutionConfig`, `RuntimeConfig` and `PhysicalPlanConfig` [\#1562](https://github.com/apache/arrow-datafusion/pull/1562) ([yjshen](https://github.com/yjshen))
- Update to rust 1.58 [\#1557](https://github.com/apache/arrow-datafusion/pull/1557) ([xudong963](https://github.com/xudong963))
- support mathematics operation for decimal data type [\#1554](https://github.com/apache/arrow-datafusion/pull/1554) ([liukun4515](https://github.com/liukun4515))
- Make call SchedulerServer::new once in ballista-scheduler process [\#1537](https://github.com/apache/arrow-datafusion/pull/1537) ([Ted-Jiang](https://github.com/Ted-Jiang))
- Add load test command in tpch.rs. [\#1530](https://github.com/apache/arrow-datafusion/pull/1530) ([Ted-Jiang](https://github.com/Ted-Jiang))
- Remove one copy of ballista datatype serialization code [\#1524](https://github.com/apache/arrow-datafusion/pull/1524) ([alamb](https://github.com/alamb))
- Update to arrow-7.0.0 [\#1523](https://github.com/apache/arrow-datafusion/pull/1523) ([alamb](https://github.com/alamb))
- Workaround build failure: Pin quote to 1.0.10 [\#1499](https://github.com/apache/arrow-datafusion/pull/1499) ([alamb](https://github.com/alamb))
- add rfcs for datafusion [\#1490](https://github.com/apache/arrow-datafusion/pull/1490) ([xudong963](https://github.com/xudong963))
- support comparison for decimal data type and refactor the binary coercion rule [\#1483](https://github.com/apache/arrow-datafusion/pull/1483) ([liukun4515](https://github.com/liukun4515))
- Update arrow-rs to 6.4.0 and replace boolean comparison in datafusion with arrow compute kernel [\#1446](https://github.com/apache/arrow-datafusion/pull/1446) ([xudong963](https://github.com/xudong963))
- support cast/try_cast for decimal: signed numeric to decimal [\#1442](https://github.com/apache/arrow-datafusion/pull/1442) ([liukun4515](https://github.com/liukun4515))
- use 0.13 sql parser [\#1435](https://github.com/apache/arrow-datafusion/pull/1435) ([Jimexist](https://github.com/Jimexist))
- Clarify communication on bi-weekly sync [\#1427](https://github.com/apache/arrow-datafusion/pull/1427) ([alamb](https://github.com/alamb))
- Minimize features [\#1399](https://github.com/apache/arrow-datafusion/pull/1399) ([carols10cents](https://github.com/carols10cents))
- Update rust vesion to 1.57 [\#1395](https://github.com/apache/arrow-datafusion/pull/1395) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([xudong963](https://github.com/xudong963))
- Add coercion rules for AggregateFunctions [\#1387](https://github.com/apache/arrow-datafusion/pull/1387) ([liukun4515](https://github.com/liukun4515))
- upgrade the arrow-rs version [\#1385](https://github.com/apache/arrow-datafusion/pull/1385) ([liukun4515](https://github.com/liukun4515))
- Extract logical plan: rename the plan name \(follow up\) [\#1354](https://github.com/apache/arrow-datafusion/pull/1354) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([liukun4515](https://github.com/liukun4515))
- upgrade arrow-rs to 6.2.0 [\#1334](https://github.com/apache/arrow-datafusion/pull/1334) ([liukun4515](https://github.com/liukun4515))
- Update release instructions [\#1331](https://github.com/apache/arrow-datafusion/pull/1331) ([alamb](https://github.com/alamb))
- Extract Aggregate, Sort, and Join to struct from AggregatePlan [\#1326](https://github.com/apache/arrow-datafusion/pull/1326) ([matthewmturner](https://github.com/matthewmturner))
- Extract `EmptyRelation`, `Limit`, `Values` from `LogicalPlan` [\#1325](https://github.com/apache/arrow-datafusion/pull/1325) ([liukun4515](https://github.com/liukun4515))
- Extract CrossJoin, Repartition, Union in LogicalPlan [\#1322](https://github.com/apache/arrow-datafusion/pull/1322) ([liukun4515](https://github.com/liukun4515))
- Extract Explain, Analyze, Extension in LogicalPlan as independent struct [\#1317](https://github.com/apache/arrow-datafusion/pull/1317) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([xudong963](https://github.com/xudong963))
- Extract CreateMemoryTable, DropTable, CreateExternalTable in LogicalPlan as independent struct [\#1311](https://github.com/apache/arrow-datafusion/pull/1311) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([liukun4515](https://github.com/liukun4515))
- Extract Projection, Filter, Window in LogicalPlan as independent struct [\#1309](https://github.com/apache/arrow-datafusion/pull/1309) ([ic4y](https://github.com/ic4y))
- Add PSQL comparison tests for except, intersect [\#1292](https://github.com/apache/arrow-datafusion/pull/1292) ([mrob95](https://github.com/mrob95))
- Extract logical plans in LogicalPlan as independent struct: TableScan [\#1290](https://github.com/apache/arrow-datafusion/pull/1290) ([xudong963](https://github.com/xudong963))

## [6.0.0-rc0](https://github.com/apache/arrow-datafusion/tree/6.0.0-rc0) (2021-11-14)

[Full Changelog](https://github.com/apache/arrow-datafusion/compare/6.0.0...6.0.0-rc0)

## [6.0.0](https://github.com/apache/arrow-datafusion/tree/6.0.0) (2021-11-14)

[Full Changelog](https://github.com/apache/arrow-datafusion/compare/ballista-0.6.0...6.0.0)

## [ballista-0.6.0](https://github.com/apache/arrow-datafusion/tree/ballista-0.6.0) (2021-11-13)

[Full Changelog](https://github.com/apache/arrow-datafusion/compare/ballista-0.5.0...ballista-0.6.0)

**Breaking changes:**

- File partitioning for ListingTable [\#1141](https://github.com/apache/arrow-datafusion/pull/1141) ([rdettai](https://github.com/rdettai))
- Register tables in BallistaContext using TableProviders instead of Dataframe [\#1028](https://github.com/apache/arrow-datafusion/pull/1028) ([rdettai](https://github.com/rdettai))
- Make TableProvider.scan\(\) and PhysicalPlanner::create_physical_plan\(\) async [\#1013](https://github.com/apache/arrow-datafusion/pull/1013) ([rdettai](https://github.com/rdettai))
- Reorganize table providers by table format [\#1010](https://github.com/apache/arrow-datafusion/pull/1010) ([rdettai](https://github.com/rdettai))
- Move CBOs and Statistics to physical plan [\#965](https://github.com/apache/arrow-datafusion/pull/965) ([rdettai](https://github.com/rdettai))
- Update to sqlparser v 0.10.0 [\#934](https://github.com/apache/arrow-datafusion/pull/934) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([alamb](https://github.com/alamb))
- FilePartition and PartitionedFile for scanning flexibility [\#932](https://github.com/apache/arrow-datafusion/pull/932) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([yjshen](https://github.com/yjshen))
- Improve SQLMetric APIs, port existing metrics [\#908](https://github.com/apache/arrow-datafusion/pull/908) ([alamb](https://github.com/alamb))
- Add support for EXPLAIN ANALYZE [\#858](https://github.com/apache/arrow-datafusion/pull/858) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([alamb](https://github.com/alamb))
- Rename concurrency to target_partitions [\#706](https://github.com/apache/arrow-datafusion/pull/706) ([andygrove](https://github.com/andygrove))

**Implemented enhancements:**

- Update datafusion-cli to support Ballista, or implement new ballista-cli [\#886](https://github.com/apache/arrow-datafusion/issues/886)
- Prepare Ballista crates for publishing [\#509](https://github.com/apache/arrow-datafusion/issues/509)
- Add drop table support [\#1266](https://github.com/apache/arrow-datafusion/pull/1266) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([viirya](https://github.com/viirya))
- use arrow 6.1.0 [\#1255](https://github.com/apache/arrow-datafusion/pull/1255) ([Jimexist](https://github.com/Jimexist))
- Add support for `create table as` via MemTable [\#1243](https://github.com/apache/arrow-datafusion/pull/1243) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([Dandandan](https://github.com/Dandandan))
- add values list expression [\#1165](https://github.com/apache/arrow-datafusion/pull/1165) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([Jimexist](https://github.com/Jimexist))
- Multiple files per partitions for CSV Avro Json [\#1138](https://github.com/apache/arrow-datafusion/pull/1138) ([rdettai](https://github.com/rdettai))
- Implement INTERSECT & INTERSECT DISTINCT [\#1135](https://github.com/apache/arrow-datafusion/pull/1135) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([xudong963](https://github.com/xudong963))
- Simplify file struct abstractions [\#1120](https://github.com/apache/arrow-datafusion/pull/1120) ([rdettai](https://github.com/rdettai))
- Implement `is [not] distinct from` [\#1117](https://github.com/apache/arrow-datafusion/pull/1117) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([Dandandan](https://github.com/Dandandan))
- add digest\(utf8, method\) function and refactor all current hash digest functions [\#1090](https://github.com/apache/arrow-datafusion/pull/1090) ([Jimexist](https://github.com/Jimexist))
- \[crypto\] add `blake3` algorithm to `digest` function [\#1086](https://github.com/apache/arrow-datafusion/pull/1086) ([Jimexist](https://github.com/Jimexist))
- \[crypto\] add blake2b and blake2s functions [\#1081](https://github.com/apache/arrow-datafusion/pull/1081) ([Jimexist](https://github.com/Jimexist))
- Update sqlparser-rs to 0.11 [\#1052](https://github.com/apache/arrow-datafusion/pull/1052) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([alamb](https://github.com/alamb))
- remove hard coded partition count in ballista logicalplan deserialization [\#1044](https://github.com/apache/arrow-datafusion/pull/1044) ([xudong963](https://github.com/xudong963))
- Indexed field access for List [\#1006](https://github.com/apache/arrow-datafusion/pull/1006) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([Igosuki](https://github.com/Igosuki))
- Update DataFusion to arrow 6.0 [\#984](https://github.com/apache/arrow-datafusion/pull/984) ([alamb](https://github.com/alamb))
- Implement Display for Expr, improve operator display [\#971](https://github.com/apache/arrow-datafusion/pull/971) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([matthewmturner](https://github.com/matthewmturner))
- ObjectStore API to read from remote storage systems [\#950](https://github.com/apache/arrow-datafusion/pull/950) ([yjshen](https://github.com/yjshen))
- fixes \#933 replace placeholder fmt_as fr ExecutionPlan impls [\#939](https://github.com/apache/arrow-datafusion/pull/939) ([tiphaineruy](https://github.com/tiphaineruy))
- Support `NotLike` in Ballista [\#916](https://github.com/apache/arrow-datafusion/pull/916) ([Dandandan](https://github.com/Dandandan))
- Avro Table Provider [\#910](https://github.com/apache/arrow-datafusion/pull/910) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([Igosuki](https://github.com/Igosuki))
- Add BaselineMetrics, Timestamp metrics, add for `CoalescePartitionsExec`, rename output_time -\> elapsed_compute [\#909](https://github.com/apache/arrow-datafusion/pull/909) ([alamb](https://github.com/alamb))
- \[Ballista\] Add executor last seen info to the ui [\#895](https://github.com/apache/arrow-datafusion/pull/895) ([msathis](https://github.com/msathis))
- add cross join support to ballista [\#891](https://github.com/apache/arrow-datafusion/pull/891) ([houqp](https://github.com/houqp))
- Add Ballista support to DataFusion CLI [\#889](https://github.com/apache/arrow-datafusion/pull/889) ([andygrove](https://github.com/andygrove))
- Add support for PostgreSQL regex match [\#870](https://github.com/apache/arrow-datafusion/pull/870) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([b41sh](https://github.com/b41sh))

**Fixed bugs:**

- Test execution_plans::shuffle_writer::tests::test Fail [\#1040](https://github.com/apache/arrow-datafusion/issues/1040)
- Integration test fails to build docker images [\#918](https://github.com/apache/arrow-datafusion/issues/918)
- Ballista: Remove hard-coded concurrency from logical plan serde code [\#708](https://github.com/apache/arrow-datafusion/issues/708)
- How can I make ballista distributed compute work? [\#327](https://github.com/apache/arrow-datafusion/issues/327)
- fix subquery alias [\#1067](https://github.com/apache/arrow-datafusion/pull/1067) [[sql](https://github.com/apache/arrow-datafusion/labels/sql)] ([xudong963](https://github.com/xudong963))
- Fix compilation for ballista in stand-alone mode [\#1008](https://github.com/apache/arrow-datafusion/pull/1008) ([Igosuki](https://github.com/Igosuki))

**Documentation updates:**

- Add Ballista roadmap [\#1166](https://github.com/apache/arrow-datafusion/pull/1166) ([andygrove](https://github.com/andygrove))
- Adds note on compatible rust version [\#1097](https://github.com/apache/arrow-datafusion/pull/1097) ([1nF0rmed](https://github.com/1nF0rmed))
- implement `approx_distinct` function using HyperLogLog [\#1087](https://github.com/apache/arrow-datafusion/pull/1087) ([Jimexist](https://github.com/Jimexist))
- Improve User Guide [\#954](https://github.com/apache/arrow-datafusion/pull/954) ([andygrove](https://github.com/andygrove))
- Update plan_query_stages doc [\#951](https://github.com/apache/arrow-datafusion/pull/951) ([rdettai](https://github.com/rdettai))
- \[DataFusion\] - Add show and show_limit function for DataFrame [\#923](https://github.com/apache/arrow-datafusion/pull/923) ([francis-du](https://github.com/francis-du))
- update docs related to protoc and optional syntax [\#902](https://github.com/apache/arrow-datafusion/pull/902) ([Jimexist](https://github.com/Jimexist))
- Improve Ballista crate README content [\#878](https://github.com/apache/arrow-datafusion/pull/878) ([andygrove](https://github.com/andygrove))

**Performance improvements:**

- optimize build profile for datafusion python binding, cli and ballista [\#1137](https://github.com/apache/arrow-datafusion/pull/1137) ([houqp](https://github.com/houqp))

**Closed issues:**

- InList expr with NULL literals do not work [\#1190](https://github.com/apache/arrow-datafusion/issues/1190)
- update the homepage README to include values, `approx_distinct`, etc. [\#1171](https://github.com/apache/arrow-datafusion/issues/1171)
- \[Python\]: Inconsistencies with Python package name [\#1011](https://github.com/apache/arrow-datafusion/issues/1011)
- Wanting to contribute to project where to start? [\#983](https://github.com/apache/arrow-datafusion/issues/983)
- delete redundant code [\#973](https://github.com/apache/arrow-datafusion/issues/973)
- How to build DataFusion python wheel [\#853](https://github.com/apache/arrow-datafusion/issues/853)
- Produce a design for a metrics framework [\#21](https://github.com/apache/arrow-datafusion/issues/21)

**Merged pull requests:**

- \[nit\] simplify ballista executor `CollectExec` impl codes [\#1140](https://github.com/apache/arrow-datafusion/pull/1140) ([panarch](https://github.com/panarch))

For older versions, see [apache/arrow/CHANGELOG.md](https://github.com/apache/arrow/blob/master/CHANGELOG.md)

## [ballista-0.5.0](https://github.com/apache/arrow-datafusion/tree/ballista-0.5.0) (2021-08-10)

[Full Changelog](https://github.com/apache/arrow-datafusion/compare/4.0.0...ballista-0.5.0)

**Breaking changes:**

- \[ballista\] support date_part and date_turnc ser/de, pass tpch 7 [\#840](https://github.com/apache/arrow-datafusion/pull/840) ([houqp](https://github.com/houqp))
- Box ScalarValue:Lists, reduce size by half size [\#788](https://github.com/apache/arrow-datafusion/pull/788) ([alamb](https://github.com/alamb))
- Support DataFrame.collect for Ballista DataFrames [\#785](https://github.com/apache/arrow-datafusion/pull/785) ([andygrove](https://github.com/andygrove))
- JOIN conditions are order dependent [\#778](https://github.com/apache/arrow-datafusion/pull/778) ([seddonm1](https://github.com/seddonm1))
- UnresolvedShuffleExec should represent a single shuffle [\#727](https://github.com/apache/arrow-datafusion/pull/727) ([andygrove](https://github.com/andygrove))
- Ballista: Make shuffle partitions configurable in benchmarks [\#702](https://github.com/apache/arrow-datafusion/pull/702) ([andygrove](https://github.com/andygrove))
- Rename MergeExec to CoalescePartitionsExec [\#635](https://github.com/apache/arrow-datafusion/pull/635) ([andygrove](https://github.com/andygrove))
- Ballista: Rename QueryStageExec to ShuffleWriterExec [\#633](https://github.com/apache/arrow-datafusion/pull/633) ([andygrove](https://github.com/andygrove))
- fix 593, reduce cloning by taking ownership in logical planner's `from` fn [\#610](https://github.com/apache/arrow-datafusion/pull/610) ([Jimexist](https://github.com/Jimexist))
- fix join column handling logic for `On` and `Using` constraints [\#605](https://github.com/apache/arrow-datafusion/pull/605) ([houqp](https://github.com/houqp))
- Move ballista standalone mode to client [\#589](https://github.com/apache/arrow-datafusion/pull/589) ([edrevo](https://github.com/edrevo))
- Ballista: Implement map-side shuffle [\#543](https://github.com/apache/arrow-datafusion/pull/543) ([andygrove](https://github.com/andygrove))
- ShuffleReaderExec now supports multiple locations per partition [\#541](https://github.com/apache/arrow-datafusion/pull/541) ([andygrove](https://github.com/andygrove))
- Make external hostname in executor optional [\#232](https://github.com/apache/arrow-datafusion/pull/232) ([edrevo](https://github.com/edrevo))
- Remove namespace from executors [\#75](https://github.com/apache/arrow-datafusion/pull/75) ([edrevo](https://github.com/edrevo))
- Support qualified columns in queries [\#55](https://github.com/apache/arrow-datafusion/pull/55) ([houqp](https://github.com/houqp))
- Read CSV format text from stdin or memory [\#54](https://github.com/apache/arrow-datafusion/pull/54) ([heymind](https://github.com/heymind))
- Remove Ballista DataFrame [\#48](https://github.com/apache/arrow-datafusion/pull/48) ([andygrove](https://github.com/andygrove))
- Use atomics for SQLMetric implementation, remove unused name field [\#25](https://github.com/apache/arrow-datafusion/pull/25) ([returnString](https://github.com/returnString))

**Implemented enhancements:**

- Add crate documentation for Ballista crates [\#830](https://github.com/apache/arrow-datafusion/issues/830)
- Support DataFrame.collect for Ballista DataFrames [\#787](https://github.com/apache/arrow-datafusion/issues/787)
- Ballista: Prep for supporting shuffle correctly, part one [\#736](https://github.com/apache/arrow-datafusion/issues/736)
- Ballista: Implement physical plan serde for ShuffleWriterExec [\#710](https://github.com/apache/arrow-datafusion/issues/710)
- Ballista: Finish implementing shuffle mechanism [\#707](https://github.com/apache/arrow-datafusion/issues/707)
- Rename QueryStageExec to ShuffleWriterExec [\#542](https://github.com/apache/arrow-datafusion/issues/542)
- Ballista ShuffleReaderExec should be able to read from multiple locations per partition [\#540](https://github.com/apache/arrow-datafusion/issues/540)
- \[Ballista\] Use deployments in k8s user guide [\#473](https://github.com/apache/arrow-datafusion/issues/473)
- Ballista refactor QueryStageExec in preparation for map-side shuffle [\#458](https://github.com/apache/arrow-datafusion/issues/458)
- Ballista: Implement map-side of shuffle [\#456](https://github.com/apache/arrow-datafusion/issues/456)
- Refactor Ballista to separate Flight logic from execution logic [\#449](https://github.com/apache/arrow-datafusion/issues/449)
- Use published versions of arrow rather than github shas [\#393](https://github.com/apache/arrow-datafusion/issues/393)
- BallistaContext::collect\(\) logging is too noisy [\#352](https://github.com/apache/arrow-datafusion/issues/352)
- Update Ballista to use new physical plan formatter utility [\#343](https://github.com/apache/arrow-datafusion/issues/343)
- Add Ballista Getting Started documentation [\#329](https://github.com/apache/arrow-datafusion/issues/329)
- Remove references to ballistacompute Docker Hub repo [\#325](https://github.com/apache/arrow-datafusion/issues/325)
- Implement scalable distributed joins [\#63](https://github.com/apache/arrow-datafusion/issues/63)
- Remove hard-coded Ballista version from scripts [\#32](https://github.com/apache/arrow-datafusion/issues/32)
- Implement streaming versions of Dataframe.collect methods [\#789](https://github.com/apache/arrow-datafusion/pull/789) ([andygrove](https://github.com/andygrove))
- Ballista shuffle is finally working as intended, providing scalable distributed joins [\#750](https://github.com/apache/arrow-datafusion/pull/750) ([andygrove](https://github.com/andygrove))
- Update to use arrow 5.0 [\#721](https://github.com/apache/arrow-datafusion/pull/721) ([alamb](https://github.com/alamb))
- Implement serde for ShuffleWriterExec [\#712](https://github.com/apache/arrow-datafusion/pull/712) ([andygrove](https://github.com/andygrove))
- dedup using join column in wildcard expansion [\#678](https://github.com/apache/arrow-datafusion/pull/678) ([houqp](https://github.com/houqp))
- Implement metrics for shuffle read and write [\#676](https://github.com/apache/arrow-datafusion/pull/676) ([andygrove](https://github.com/andygrove))
- Remove hard-coded PartitionMode from Ballista serde [\#637](https://github.com/apache/arrow-datafusion/pull/637) ([andygrove](https://github.com/andygrove))
- Ballista: Implement scalable distributed joins [\#634](https://github.com/apache/arrow-datafusion/pull/634) ([andygrove](https://github.com/andygrove))
- Add Keda autoscaling for ballista in k8s [\#586](https://github.com/apache/arrow-datafusion/pull/586) ([edrevo](https://github.com/edrevo))
- Add some resiliency to lost executors [\#568](https://github.com/apache/arrow-datafusion/pull/568) ([edrevo](https://github.com/edrevo))
- Add `partition by` constructs in window functions and modify logical planning [\#501](https://github.com/apache/arrow-datafusion/pull/501) ([Jimexist](https://github.com/Jimexist))
- Support anti join [\#482](https://github.com/apache/arrow-datafusion/pull/482) ([Dandandan](https://github.com/Dandandan))
- add `order by` construct in window function and logical plans [\#463](https://github.com/apache/arrow-datafusion/pull/463) ([Jimexist](https://github.com/Jimexist))
- Refactor Ballista executor so that FlightService delegates to an Executor struct [\#450](https://github.com/apache/arrow-datafusion/pull/450) ([andygrove](https://github.com/andygrove))
- implement lead and lag built-in window function [\#429](https://github.com/apache/arrow-datafusion/pull/429) ([Jimexist](https://github.com/Jimexist))
- Implement fmt_as for ShuffleReaderExec [\#400](https://github.com/apache/arrow-datafusion/pull/400) ([andygrove](https://github.com/andygrove))
- Add window expression part 1 - logical and physical planning, structure, to/from proto, and explain, for empty over clause only [\#334](https://github.com/apache/arrow-datafusion/pull/334) ([Jimexist](https://github.com/Jimexist))
- \[breaking change\] fix 265, log should be log10, and add ln [\#271](https://github.com/apache/arrow-datafusion/pull/271) ([Jimexist](https://github.com/Jimexist))
- Allow table providers to indicate their type for catalog metadata [\#205](https://github.com/apache/arrow-datafusion/pull/205) ([returnString](https://github.com/returnString))
- Add query 19 to TPC-H regression tests [\#59](https://github.com/apache/arrow-datafusion/pull/59) ([Dandandan](https://github.com/Dandandan))
- Use arrow eq kernels in CaseWhen expression evaluation [\#52](https://github.com/apache/arrow-datafusion/pull/52) ([Dandandan](https://github.com/Dandandan))
- Add option param for standalone mode [\#42](https://github.com/apache/arrow-datafusion/pull/42) ([djKooks](https://github.com/djKooks))
- \[DataFusion\] Optimize hash join inner workings, null handling fix [\#24](https://github.com/apache/arrow-datafusion/pull/24) ([Dandandan](https://github.com/Dandandan))
- \[Ballista\] Docker files for ui [\#22](https://github.com/apache/arrow-datafusion/pull/22) ([msathis](https://github.com/msathis))

**Fixed bugs:**

- Ballista: TPC-H q3 @ SF=1000 never completes [\#835](https://github.com/apache/arrow-datafusion/issues/835)
- Ballista does not support MIN/MAX aggregate functions [\#832](https://github.com/apache/arrow-datafusion/issues/832)
- Ballista docker images fail to build [\#828](https://github.com/apache/arrow-datafusion/issues/828)
- Ballista: UnresolvedShuffleExec should only have a single stage_id [\#726](https://github.com/apache/arrow-datafusion/issues/726)
- Ballista integration tests are failing [\#623](https://github.com/apache/arrow-datafusion/issues/623)
- Integration test build failure due to arrow-rs using unstable feature [\#596](https://github.com/apache/arrow-datafusion/issues/596)
- `cargo build` cannot build the project [\#531](https://github.com/apache/arrow-datafusion/issues/531)
- ShuffleReaderExec does not get formatted correctly in displayable physical plan [\#399](https://github.com/apache/arrow-datafusion/issues/399)
- Implement serde for MIN and MAX [\#833](https://github.com/apache/arrow-datafusion/pull/833) ([andygrove](https://github.com/andygrove))
- Ballista: Prep for fixing shuffle mechansim, part 1 [\#738](https://github.com/apache/arrow-datafusion/pull/738) ([andygrove](https://github.com/andygrove))
- Ballista: Shuffle write bug fix [\#714](https://github.com/apache/arrow-datafusion/pull/714) ([andygrove](https://github.com/andygrove))
- honor table name for csv/parquet scan in ballista plan serde [\#629](https://github.com/apache/arrow-datafusion/pull/629) ([houqp](https://github.com/houqp))
- MINOR: Fix integration tests by adding datafusion-cli module to docker image [\#322](https://github.com/apache/arrow-datafusion/pull/322) ([andygrove](https://github.com/andygrove))

**Documentation updates:**

- Add minimal crate documentation for Ballista crates [\#831](https://github.com/apache/arrow-datafusion/pull/831) ([andygrove](https://github.com/andygrove))
- Add Ballista examples [\#775](https://github.com/apache/arrow-datafusion/pull/775) ([andygrove](https://github.com/andygrove))
- Update ballista.proto link in architecture doc [\#502](https://github.com/apache/arrow-datafusion/pull/502) ([terrycorley](https://github.com/terrycorley))
- Update k8s user guide to use deployments [\#474](https://github.com/apache/arrow-datafusion/pull/474) ([edrevo](https://github.com/edrevo))
- use prettier to format md files [\#367](https://github.com/apache/arrow-datafusion/pull/367) ([Jimexist](https://github.com/Jimexist))
- Make it easier for developers to find Ballista documentation [\#330](https://github.com/apache/arrow-datafusion/pull/330) ([andygrove](https://github.com/andygrove))
- Instructions for cross-compiling Ballista to the Raspberry Pi [\#263](https://github.com/apache/arrow-datafusion/pull/263) ([andygrove](https://github.com/andygrove))
- Add install guide in README [\#236](https://github.com/apache/arrow-datafusion/pull/236) ([djKooks](https://github.com/djKooks))

**Performance improvements:**

- Ballista: Avoid sleeping between polling for tasks [\#698](https://github.com/apache/arrow-datafusion/pull/698) ([Dandandan](https://github.com/Dandandan))
- Make BallistaContext::collect streaming [\#535](https://github.com/apache/arrow-datafusion/pull/535) ([edrevo](https://github.com/edrevo))

**Closed issues:**

- Confirm git tagging strategy for releases [\#770](https://github.com/apache/arrow-datafusion/issues/770)
- arrow::util::pretty::pretty_format_batches missing [\#769](https://github.com/apache/arrow-datafusion/issues/769)
- move the `assert_batches_eq!` macros to a non part of datafusion [\#745](https://github.com/apache/arrow-datafusion/issues/745)
- fix an issue where aliases are not respected in generating downstream schemas in window expr [\#592](https://github.com/apache/arrow-datafusion/issues/592)
- make the planner to print more succinct and useful information in window function explain clause [\#526](https://github.com/apache/arrow-datafusion/issues/526)
- move window frame module to be in `logical_plan` [\#517](https://github.com/apache/arrow-datafusion/issues/517)
- use a more rust idiomatic way of handling nth_value [\#448](https://github.com/apache/arrow-datafusion/issues/448)
- Make Ballista not depend on arrow directly [\#446](https://github.com/apache/arrow-datafusion/issues/446)
- create a test with more than one partition for window functions [\#435](https://github.com/apache/arrow-datafusion/issues/435)
- Implement hash-partitioned hash aggregate [\#27](https://github.com/apache/arrow-datafusion/issues/27)
- Consider using GitHub pages for DataFusion/Ballista documentation [\#18](https://github.com/apache/arrow-datafusion/issues/18)
- Add Ballista to default cargo workspace [\#17](https://github.com/apache/arrow-datafusion/issues/17)
- Update "repository" in Cargo.toml [\#16](https://github.com/apache/arrow-datafusion/issues/16)
- Consolidate TPC-H benchmarks [\#6](https://github.com/apache/arrow-datafusion/issues/6)
- \[Ballista\] Fix integration test script [\#4](https://github.com/apache/arrow-datafusion/issues/4)
- Ballista should not have separate DataFrame implementation [\#2](https://github.com/apache/arrow-datafusion/issues/2)

**Merged pull requests:**

- Change datatype of tpch keys from Int32 to UInt64 to support sf=1000 [\#836](https://github.com/apache/arrow-datafusion/pull/836) ([andygrove](https://github.com/andygrove))
- Add ballista-examples to docker build [\#829](https://github.com/apache/arrow-datafusion/pull/829) ([andygrove](https://github.com/andygrove))
- Update dependencies: prost to 0.8 and tonic to 0.5 [\#818](https://github.com/apache/arrow-datafusion/pull/818) ([alamb](https://github.com/alamb))
- Move `hash_array` into hash_utils.rs [\#807](https://github.com/apache/arrow-datafusion/pull/807) ([alamb](https://github.com/alamb))
- Fix: Update clippy lints for Rust 1.54 [\#794](https://github.com/apache/arrow-datafusion/pull/794) ([alamb](https://github.com/alamb))
- MINOR: Remove unused Ballista query execution code path [\#732](https://github.com/apache/arrow-datafusion/pull/732) ([andygrove](https://github.com/andygrove))
- \[fix\] benchmark run with compose [\#666](https://github.com/apache/arrow-datafusion/pull/666) ([rdettai](https://github.com/rdettai))
- bring back dev scripts for ballista [\#648](https://github.com/apache/arrow-datafusion/pull/648) ([Jimexist](https://github.com/Jimexist))
- Remove unnecessary mutex [\#639](https://github.com/apache/arrow-datafusion/pull/639) ([edrevo](https://github.com/edrevo))
- round trip TPCH queries in tests [\#630](https://github.com/apache/arrow-datafusion/pull/630) ([houqp](https://github.com/houqp))
- Fix build [\#627](https://github.com/apache/arrow-datafusion/pull/627) ([andygrove](https://github.com/andygrove))
- in ballista also check for UI prettier changes [\#578](https://github.com/apache/arrow-datafusion/pull/578) ([Jimexist](https://github.com/Jimexist))
- turn on clippy rule for needless borrow [\#545](https://github.com/apache/arrow-datafusion/pull/545) ([Jimexist](https://github.com/Jimexist))
- reuse datafusion physical planner in ballista building from protobuf [\#532](https://github.com/apache/arrow-datafusion/pull/532) ([Jimexist](https://github.com/Jimexist))
- update cargo.toml in python crate and fix unit test due to hash joins [\#483](https://github.com/apache/arrow-datafusion/pull/483) ([Jimexist](https://github.com/Jimexist))
- make `VOLUME` declaration in tpch datagen docker absolute [\#466](https://github.com/apache/arrow-datafusion/pull/466) ([crepererum](https://github.com/crepererum))
- Refactor QueryStageExec in preparation for implementing map-side shuffle [\#459](https://github.com/apache/arrow-datafusion/pull/459) ([andygrove](https://github.com/andygrove))
- Simplified usage of `use arrow` in ballista. [\#447](https://github.com/apache/arrow-datafusion/pull/447) ([jorgecarleitao](https://github.com/jorgecarleitao))
- Benchmark subcommand to distinguish between DataFusion and Ballista [\#402](https://github.com/apache/arrow-datafusion/pull/402) ([jgoday](https://github.com/jgoday))
- \#352: BallistaContext::collect\(\) logging is too noisy [\#394](https://github.com/apache/arrow-datafusion/pull/394) ([jgoday](https://github.com/jgoday))
- cleanup function return type fn [\#350](https://github.com/apache/arrow-datafusion/pull/350) ([Jimexist](https://github.com/Jimexist))
- Update Ballista to use new physical plan formatter utility [\#344](https://github.com/apache/arrow-datafusion/pull/344) ([andygrove](https://github.com/andygrove))
- Update arrow dependencies again [\#341](https://github.com/apache/arrow-datafusion/pull/341) ([alamb](https://github.com/alamb))
- Remove references to Ballista Docker images published to ballistacompute Docker Hub repo [\#326](https://github.com/apache/arrow-datafusion/pull/326) ([andygrove](https://github.com/andygrove))
- Update arrow-rs deps [\#317](https://github.com/apache/arrow-datafusion/pull/317) ([alamb](https://github.com/alamb))
- Update arrow deps [\#269](https://github.com/apache/arrow-datafusion/pull/269) ([alamb](https://github.com/alamb))
- Enable redundant_field_names clippy lint [\#261](https://github.com/apache/arrow-datafusion/pull/261) ([Dandandan](https://github.com/Dandandan))
- Update arrow-rs deps \(to fix build due to flatbuffers update\) [\#224](https://github.com/apache/arrow-datafusion/pull/224) ([alamb](https://github.com/alamb))
- update arrow-rs deps to latest master [\#216](https://github.com/apache/arrow-datafusion/pull/216) ([alamb](https://github.com/alamb))

\* _This Changelog was automatically generated by [github_changelog_generator](https://github.com/github-changelog-generator/github-changelog-generator)_