minihippo opened a new pull request, #5064:
URL: https://github.com/apache/hudi/pull/5064
## What is the purpose of the pull request
Add a new module `hudi-metastore`
## Brief change log
HoodieMetastoreBasedTimeline
HoodieMetastoreFileSystemView
MetaStore has three parts：
- client, connects with server by Thrift
- service, is divided into tableService, partitionService, timelineService
and snapshotService
- store, has a relation db based implementation with the power of MyBatis
Writing a commit/deltacommit is available, but read is not ready.
## Verify this pull request
For test, metastore will start up with an embedded one.
This change added tests and can be verified as follows:
- Add metastore client ut
- Add metastore store ut
- Add a case of cow writing based on metastore
## Committer checklist
- [ ] Has a corresponding JIRA in PR title & commit
- [ ] Commit message is descriptive of the change
- [ ] CI is green
- [ ] Necessary doc changes done or have another open PR
- [ ] For large changes, please consider breaking it into sub-tasks under
an umbrella JIRA.
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