pengzhiwei2018 opened a new pull request #3154:
URL: https://github.com/apache/hudi/pull/3154
## What is the purpose of the pull request
MergeInto Support Partial Update For COW.
## Brief change log
- Complete the missing UPDATE ACTION fields with the target table fields.
e.g.
> merge into h0 using s0 on h0.id = s0.id when matched then update set
price = s0.price, ts = s0.ts;
we complete the missing fields to the update action, like this:
> merge into h0 using s0 on h0.id = s0.id when matched then update set id =
h0.id, name = h0.name, price = s0.price, ts = s0.ts;
## 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.
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