yihua opened a new pull request, #6319:
URL: https://github.com/apache/hudi/pull/6319
## What is the purpose of the pull request
This PR improves functional test coverage of column stats index, adding the
following scenarios:
(1) COW with upserts;
(2) MOR with inserts;
(3) MOR with upserts, generating Avro log files.
## Brief change log
- Refactors TestColumnStatsIndex for code reuse
- Adds tests for both COW and MOR, and column stats validation after
upserts, especially for validating column stats index of Avro log files
- Adds expected column stats index after upserts
## Verify this pull request
This change adds column stats index tests to cover more scenarios.
## 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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