dcoliversun commented on code in PR #36487:
URL: https://github.com/apache/spark/pull/36487#discussion_r867824481
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/v2AlterTableCommands.scala:
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@@ -144,7 +144,7 @@ case class ReplaceColumns(
require(table.resolved)
val deleteChanges = table.schema.fieldNames.map { name =>
// REPLACE COLUMN should require column to exist
- TableChange.deleteColumn(Array(name), ifExists = false)
Review Comment:
Because deleteColumn#TableChange is `Java` file. I replace named parameter
with comment, because it's used in Apache Spark.
https://github.com/apache/spark/blob/ad81ba839713374b2ef9ea2f0f18e83578584188/core/src/main/scala/org/apache/spark/deploy/ExternalShuffleService.scala#L119
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