Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/17644#discussion_r115011692
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala ---
@@ -632,9 +632,51 @@ private[spark] class HiveExternalCatalog(conf:
SparkConf, hadoopConf: Configurat
val rawTable = getRawTable(db, table)
val withNewSchema = rawTable.copy(schema = schema)
verifyColumnNames(withNewSchema)
+
+ val newProperties = collection.mutable.Map[String, String]()
+ for ((property, value) <- withNewSchema.properties) {
+ newProperties.put(property, value)
+ }
+ for ((property, value) <- tableMetaToTableProps(withNewSchema)) {
+ newProperties.put(property, value)
+ }
+
+ // Since the table schema will be changed, check if the bucketing and
sort columns are still
--- End diff --
do you mean hive has a wrong behavior about this? Maybe we can diverge from
hive and disallow altering schema without bucket/sort columns.
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