xiarixiaoyao opened a new pull request #4910: URL: https://github.com/apache/hudi/pull/4910
## *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 Support full schema evolution for hoodie: 1) support spark3 DDL. include: alter statement: ALTER TABLE table1 ALTER COLUMN a.b.c TYPE bigint support follow types int => long/float/double/string long => float/double/string float => double/String double => String/Decimal Decimal => Decimal/String String => date/decimal date => String ALTER TABLE table1 ALTER COLUMN a.b.c SET NOT NULL ALTER TABLE table1 ALTER COLUMN a.b.c DROP NOT NULL ALTER TABLE table1 ALTER COLUMN a.b.c COMMENT 'new comment' ALTER TABLE table1 ALTER COLUMN a.b.c FIRST ALTER TABLE table1 ALTER COLUMN a.b.c AFTER x add statement: ALTER TABLE table1 ADD COLUMNS (col_name data_type [COMMENT col_comment], ...); rename: ALTER TABLE table1 RENAME COLUMN a.b.c TO x drop: ALTER TABLE table1 DROP COLUMN a.b.c ALTER TABLE table1 DROP COLUMNS a.b.c, x, y set/unset Properties: ALTER TABLE table SET TBLPROPERTIES ('table_property' = 'property_value'); ALTER TABLE table UNSET TBLPROPERTIES [IF EXISTS] ('comment', 'key'); 2) support mor(incremental/realtime/optimize) read/write 3) support cow (incremental/realtime) read/write 4) support mor compaction ## Brief change log *(for example:)* - *Modify AnnotationLocation checkstyle rule in checkstyle.xml* ## Verify this pull request *(Please pick either of the following options)* This pull request is a trivial rework / code cleanup without any test coverage. *(or)* This pull request is already covered by existing tests, such as *(please describe tests)*. (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]
