xiarixiaoyao commented on a change in pull request #4587:
URL: https://github.com/apache/hudi/pull/4587#discussion_r783928372
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File path:
hudi-spark-datasource/hudi-spark/src/main/scala/org/apache/spark/sql/hudi/command/AlterHoodieTableChangeColumnCommand.scala
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@@ -42,24 +42,27 @@ case class AlterHoodieTableChangeColumnCommand(
extends HoodieLeafRunnableCommand {
override def run(sparkSession: SparkSession): Seq[Row] = {
+ val resolver = sparkSession.sessionState.conf.resolver
val hoodieCatalogTable = HoodieCatalogTable(sparkSession, tableIdentifier)
- val resolver = sparkSession.sessionState.conf.resolver
- if (!resolver(columnName, newColumn.name)) {
- throw new AnalysisException(s"Can not support change column name for
hudi table currently.")
- }
+ // Find the origin column from dataSchema by column name.
+ val originColumn = findColumnByName(hoodieCatalogTable.dataSchema,
columnName, resolver).getOrElse(
+ throw new AnalysisException(s"Can't find column `$columnName` given
table data columns " +
+ s"${hoodieCatalogTable.dataSchema.fieldNames.mkString("[`", "`, `",
"`]")}")
+ )
+
Review comment:
I don't think we support rename operation now， Why remove relevant
judgments？
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