MrSleeping123 opened a new pull request #4960:
URL: https://github.com/apache/hudi/pull/4960
## What is the purpose of the pull request
*The pr is syncing source table column comments to a hive table with syncing
hudi to hive when users add column comments to datasource schema.*
## Brief change log
- *Add a hive sync config(hoodie.datasource.hive_sync.sync_comment). This
config is false by default.*
- *While syncing data source to hudi, add table column comments to
datasource avro schema, and if the sync_comment is true, syncing column
comments to the hive table.*
*(for example: using spark datasource)*
`StructType schema = new StructType().add("key", "string", false, "comment")`
`sparkSession.createDataFrame(rdd, schema)`
`.write().format("org.apache.hudi")`
`......`
`.option("hoodie.datasource.hive_sync.sync_comment","true")`
`......`
`.save("/xxxx");`
## Verify this pull request
*Run TestHiveSyncTool#testUpdateTableComments and
TestHiveSyncTool#testSyncWithCommentedSchema successfully.*
This pull request is a trivial rework / code cleanup without any test
coverage.
## 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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