aokolnychyi commented on code in PR #55518:
URL: https://github.com/apache/spark/pull/55518#discussion_r3786105284
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/RewriteUpdateTable.scala:
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@@ -155,29 +254,125 @@ object RewriteUpdateTable extends RewriteRowLevelCommand
{
val operation = operationTable.operation.asInstanceOf[SupportsDelta]
- // resolve all needed attrs (e.g. row ID and any required metadata attrs)
+ // resolve all needed attrs (e.g. row ID, any required metadata attrs and
optionally connector
Review Comment:
It is unclear what `optionally connector declared attrs` means in this case.
I'd opt to simplify.
```
// resolve all needed attrs (e.g. row ID and required data / metadata attrs)
// resolve all needed attrs (e.g. row ID or any required metadata attrs)
```
Or similar
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