danny0405 opened a new pull request #2658:
URL: https://github.com/apache/hudi/pull/2658
## What is the purpose of the pull request
A Flink SQL table has DDL that defines the table schema, we can use that
to infer the Avro schema and there is no need to declare a Avro schema
explicitly anymore.
But we still keep the config option for explicit Avro schema in case
there is corner cases that the inferred schema is not correct
(especially for the nullability).
## Brief change log
- Modify `HoodieTableFactory` to support automatic schema inference for
table source and sink
- Add UTs and modify existing ITCases using schema inference
## Verify this pull request
Added UTs.
## 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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