xiarixiaoyao opened a new pull request, #6017: URL: https://github.com/apache/hudi/pull/6017
…d add new fields. ## *Tips* - *Thank you very much for contributing to Apache Hudi.* - *Please review https://hudi.apache.org/contribute/how-to-contribute before opening a pull request.* ## What is the purpose of the pull request Improve schema reconciliation to make it more flexible in presence of full schema evolution being enabled. Desired behavior: 1) incoming data has missing columns that were already defined in the table –> null values will be injected into missing columns 2) incoming data contains new columns not defined yet in the table -> columns will be added to the table schema (incoming dataframe?) 3) incoming data has missing columns that are already defined in the table and new columns not yet defined in the table -> new columns will be added to the table schema, missing columns will be injected with null values 4) No column should be dropped when using hive sync utility when schema reconciliation is enabled. 5) support nested fields. ## Brief change log *(for example:)* - *Modify AnnotationLocation checkstyle rule in checkstyle.xml* ## Verify this pull request UT test (or) This change added tests and can be verified as follows: *(example:)* - *Added integration tests for end-to-end.* - *Added HoodieClientWriteTest to verify the change.* - *Manually verified the change by running a job locally.* ## 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. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
