Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/22514#discussion_r227602783
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/ddl.scala ---
@@ -34,11 +34,16 @@ import org.apache.spark.sql.types._
* @param tableDesc the metadata of the table to be created.
* @param mode the data writing mode
* @param query an optional logical plan representing data to write into
the created table.
+ * @param useExternalSerde whether to use external serde to write data,
e.g., Hive Serde. Currently
--- End diff --
I don't have a clear idea now, but `CreateTable` is a general logical plan
for CREATE TABLE, we may even public in to data source/catalog APIs in the
future, we should not put hive specific concept here.
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