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OpenMLDB Weekly Update(2021.9.12-2021.9.19)

Summary
本周合并 Pull requests 12个，新增Pull requests 4个，关闭 Issues 6个，新增 Issues 18个。总计353个文件修改，新增36056行代码，删除879行代码。
OpenMLDB Weekly Update(2021.9.12-2021.9.19)
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Merged Pull Requests
feat: add integration test cicd#434
feat: add batchjob as java submodules#386
feat: add kubernetes java dependencies for taskmanager#400
fix: fix count in some yaml cases#436
feat: add a new optimization for expanding data in window skew optimization#424
feat: support insert multiple rows into a table using a single SQL insert statement#399
feat: support aggregation over the whole table#393
ci: openmldb java deploy workflow#366
test: rm DataSyncReplicaCluster test#415
feat: reconfiguration window skew optimization#414
feat: add integration test#395
feat: bump junit from 4.11 to 4.13.1 in /java/openmldb-batchjob#382
Open Pull Requests
build(deps): bump snakeyaml from 1.17 to 1.26 in /test/batch-test/openmldb-batch-test#416
build(deps): bump httpclient from 4.5.2 to 4.5.13 in /test/integration-test/openmldb-test-java/openmldb-test-common#417
feat: support in predicate#423
feat: reorganize error code and use check_status and check_true#435
Close Issues
【OpenMLDB Weekly Update(2021.9.12-2021.9.19)】Make openmldb-batchjob and openmldb-taskmanager as submodules of openmldb-parent#385
Support submit and manage Kubernetes jobs for TaskManager#375
Bug: SQL INSERT Statement with multi rows does not work as expected#391
studio.4.2.0安装的rtidb启动coredump#278
Support General aggegrate function over table COUNT, MAX, MIN, SUM#219
feat: support integration test for java/python sdk and offline batch#316
Open Issues
Add feature extraction tools like detecting data skew#433
feat: try run benchmark on GitHub workflow, compare & upload test results#432
feat: refactor error/warning log in hybridse#430
refactor yaml sql test case#427
feat: improve cli and make the console output more clean and clear#426
RFC: Redesign some interfaces of SQLClusterRouter#425
Create memtable when creating procedure#422
Sync metadata to hive metastore when creating iceberg table#421
Load data from iceberg to memtable#420
Get index from sql&procdure#419
Create message table and sync data to nearline tablet#418
Add optimization passes for native LastJoin#413
Enable optimization fo window parallel computation by default#412
Package OpenMLDB Spark distribution for release#411
Support table aggregation functions for Batch mode#410
Support passing Spark parameters for TaskManager#409
Refine the parameters from TaskManager API to support more job status#408
Integrated TaskManager API with OpenMLDB CLI tool#407
Contributors
aceforeverd (teapot@aceforeverd.com)
Chen22 (jingchen2222@gmail.com)
dl239 (dl239@126.com)
Kanekanekane (1290561498@qq.com)
Kanekanekane (kane@KanedeMacBook-Pro.local)
tobe (tobeg3oogle@gmail.com)
Wang ZeKai (1290561498@qq.com)
wuyou10206 (zw1020688@163.com)
Highlights
本周新增加了IntegrationTest集成测试模块，并集成到CICD流程，整体代码修改较多，主要是新增了大量SQL测试用例。TaskManager模块新增Kubernetes依赖，支持多种计算集群后端的任务管理。BatchJob模块加入Java项目子模块中，纳入完整的CICD集成流程。本周项目正式通过2021年信通院可信开源项目评审，并在代码上升级Hadoop-common依赖版本解决潜在风险问题，修复项目License依赖风险问题。
欢迎更多开发者关注和参与OpenMLDB开源项目。

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