Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/16626#discussion_r106097921
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala
---
@@ -296,6 +297,25 @@ class SessionCatalog(
}
/**
+ * Alter the schema of a table identified by the provided table
identifier. The new schema
+ * should still contain the existing bucket columns and partition
columns used by the table. This
+ * method will also update any Spark SQL-related parameters stored as
Hive table properties (such
+ * as the schema itself).
+ *
+ * @param identifier TableIdentifier
+ * @param newSchema Updated schema to be used for the table (must
contain existing partition and
+ * bucket columns)
--- End diff --
Nit: please fix the styles of the above two @ parm
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