Github user deanchen commented on a diff in the pull request:
https://github.com/apache/spark/pull/5275#discussion_r29117639
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/orc/package.scala ---
@@ -0,0 +1,62 @@
+/*
+ * 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
+
+
+import com.esotericsoftware.kryo.io.Output
+import com.esotericsoftware.kryo.Kryo
+import org.apache.commons.codec.binary.Base64
+import org.apache.hadoop.conf.Configuration
+import org.apache.hadoop.hive.ql.io.sarg.SearchArgument
+import org.apache.spark.sql.catalyst.ScalaReflection
+import org.apache.spark.sql.hive.HiveContext
+import org.apache.spark.sql.hive.orc._
+import org.apache.spark.sql.sources.BaseRelation
+import org.apache.spark.sql.{SaveMode, SQLContext, DataFrame, SchemaRDD}
+import scala.reflect.runtime.universe.{TypeTag, typeTag}
+
+package object orc {
+ implicit class OrcContext(sqlContext: HiveContext) {
+ def orcFile(path: String) = {
+ val parameters = Map("path"->path)
+ val orcRelation = OrcRelation(path, parameters, None)(sqlContext)
+ sqlContext.baseRelationToDataFrame(orcRelation)
+ }
+ }
+
+ implicit class OrcSchemaRDD(dataFrame: DataFrame) {
+ def saveAsOrcFile(path: String): Unit = {
+ val parameters = Map("path"->path)
+ val relation = OrcRelation(path, parameters,
Some(dataFrame.schema))(dataFrame.sqlContext)
+ relation.insert(dataFrame, false)
+ }
+ }
+
+ // for orc compression type, only take effect in hive 0.13.1
+ val orcDefaultCompressVar = "hive.exec.orc.default.compress"
+ // for prediction push down in hive-0.13.1, don't enable it
+ var ORC_FILTER_PUSHDOWN_ENABLED = true
--- End diff --
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