Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/1846#discussion_r17403171
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/CreateTableAsSelect.scala
---
@@ -0,0 +1,77 @@
+/*
+ * 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 org.apache.spark.annotation.Experimental
+import org.apache.spark.rdd.RDD
+import org.apache.spark.sql.catalyst.expressions.Row
+import org.apache.spark.sql.catalyst.expressions.Attribute
+import org.apache.spark.sql.catalyst.plans.logical.LowerCaseSchema
+import org.apache.spark.sql.execution.{SparkPlan, Command, LeafNode}
+import org.apache.spark.sql.hive.HiveContext
+import org.apache.spark.sql.hive.MetastoreRelation
+
+/**
+ * :: Experimental ::
+ * Create table and insert the query result into it.
+ * @param database the database name of the new relation
+ * @param tableName the table name of the new relation
+ * @param insertIntoRelation function of creating the
`InsertIntoHiveTable`
+ * by specifying the `MetaStoreRelation`, the data will be inserted
into that table.
+ * TODO Add more table creating properties, e.g. SerDe, StorageHandler,
in-memory cache etc.
+ */
+@Experimental
+case class CreateTableAsSelect(
+ database: String,
+ tableName: String,
+ insertIntoRelation: MetastoreRelation => InsertIntoHiveTable)
+ extends LeafNode with Command {
+
+ def output = Seq.empty
+
+ // This is hacking way to get the output attributes and the spark plan
of the query.
+ @transient private lazy val fakeInserIntoRelation =
insertIntoRelation(null)
--- End diff --
Instead of this, can we just make `schema: Seq[Attribute]` an argument of
this class.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
