forked from apache/spark
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
3 changed files
with
58 additions
and
9 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
56 changes: 56 additions & 0 deletions
56
sql/hive/src/main/scala/org/apache/spark/sql/hive/parquet/FakeParquetSerDe.scala
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,56 @@ | ||
/* | ||
* 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.parquet | ||
|
||
import java.util.Properties | ||
|
||
import org.apache.hadoop.conf.Configuration | ||
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector.Category | ||
import org.apache.hadoop.hive.serde2.{SerDeStats, SerDe} | ||
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector | ||
import org.apache.hadoop.io.Writable | ||
|
||
/** | ||
* A placeholder that allows SparkSQL users to create metastore tables that are stored as | ||
* parquet files. It is only intended to pass the checks that the serde is valid and exists | ||
* when a CREATE TABLE is run. The actual work of decoding will be done by ParquetTableScan | ||
* when "spark.sql.hive.convertMetastoreParquet" is set to true. | ||
*/ | ||
@deprecated("No code should depend on FakeParquetHiveSerDe as it is only intended as a " + | ||
"placeholder in the Hive MetaStore") | ||
class FakeParquetSerDe extends SerDe { | ||
override def getObjectInspector: ObjectInspector = new ObjectInspector { | ||
override def getCategory: Category = Category.PRIMITIVE | ||
|
||
override def getTypeName: String = "string" | ||
} | ||
|
||
override def deserialize(p1: Writable): AnyRef = throwError | ||
|
||
override def initialize(p1: Configuration, p2: Properties): Unit = {} | ||
|
||
override def getSerializedClass: Class[_ <: Writable] = throwError | ||
|
||
override def getSerDeStats: SerDeStats = throwError | ||
|
||
override def serialize(p1: scala.Any, p2: ObjectInspector): Writable = throwError | ||
|
||
private def throwError = | ||
sys.error( | ||
"spark.sql.hive.convertMetastoreParquet must be set to true to use FakeParquetSerDe") | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters