Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/19649#discussion_r148810633
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala ---
@@ -619,8 +619,10 @@ private[spark] class HiveExternalCatalog(conf:
SparkConf, hadoopConf: Configurat
}
}
- override def alterTableDataSchema(
- db: String, table: String, newDataSchema: StructType): Unit =
withClient {
+ override def doAlterTableDataSchema(
--- End diff --
Please add description of this method.
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