Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/18975#discussion_r138525454
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/InsertIntoHiveDirCommand.scala
---
@@ -0,0 +1,131 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.sql.hive.execution
+
+import scala.language.existentials
+
+import org.apache.hadoop.fs.{FileSystem, Path}
+import org.apache.hadoop.hive.common.FileUtils
+import org.apache.hadoop.hive.ql.plan.TableDesc
+import org.apache.hadoop.hive.serde.serdeConstants
+import org.apache.hadoop.hive.serde2.`lazy`.LazySimpleSerDe
+import org.apache.hadoop.mapred._
+
+import org.apache.spark.SparkException
+import org.apache.spark.sql.{Row, SparkSession}
+import org.apache.spark.sql.catalyst.TableIdentifier
+import org.apache.spark.sql.catalyst.catalog.{CatalogStorageFormat,
CatalogTable}
+import org.apache.spark.sql.catalyst.plans.logical.LogicalPlan
+import org.apache.spark.sql.execution.SparkPlan
+import org.apache.spark.sql.hive.client.HiveClientImpl
+
+/**
+ * Command for writing the results of `query` to file system.
+ *
+ * The syntax of using this command in SQL is:
+ * {{{
+ * INSERT OVERWRITE [LOCAL] DIRECTORY
+ * path
+ * [ROW FORMAT row_format]
+ * [STORED AS file_format]
+ * SELECT ...
+ * }}}
+ *
+ * @param isLocal whether the path specified in `storage` is a local
directory
+ * @param storage storage format used to describe how the query result is
stored.
+ * @param query the logical plan representing data to write to
+ * @param overwrite whether overwrites existing directory
+ */
+case class InsertIntoHiveDirCommand(
+ isLocal: Boolean,
+ storage: CatalogStorageFormat,
+ query: LogicalPlan,
+ overwrite: Boolean) extends SaveAsHiveFile with HiveTmpPath {
--- End diff --
why do we separate `SaveAsHiveFile` and `HiveTmpPath`, while we always use
them together?
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
