Repository: incubator-carbondata Updated Branches: refs/heads/master 8201132bb -> 4aeba911b
Added example for loading data using case class Added drop table query in CaseClassDataFrameAPIExample Changed import order in CaseClassDataFrameAPIExample Formatted imports Changed ordering in import statementin CaseClassDataFrameAPIExample Refactored parameter Project: http://git-wip-us.apache.org/repos/asf/incubator-carbondata/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-carbondata/commit/29092018 Tree: http://git-wip-us.apache.org/repos/asf/incubator-carbondata/tree/29092018 Diff: http://git-wip-us.apache.org/repos/asf/incubator-carbondata/diff/29092018 Branch: refs/heads/master Commit: 290920189327bcde1c224fdc19a2d3dc995a9fdd Parents: 8201132 Author: SangeetaGulia <sangeeta.gu...@knoldus.in> Authored: Fri Nov 18 12:36:45 2016 +0530 Committer: jackylk <jacky.li...@huawei.com> Committed: Sat Nov 19 23:04:27 2016 +0800 ---------------------------------------------------------------------- .../examples/CaseClassDataFrameAPIExample.scala | 49 ++++++++++++++++++++ 1 file changed, 49 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-carbondata/blob/29092018/examples/src/main/scala/org/apache/carbondata/examples/CaseClassDataFrameAPIExample.scala ---------------------------------------------------------------------- diff --git a/examples/src/main/scala/org/apache/carbondata/examples/CaseClassDataFrameAPIExample.scala b/examples/src/main/scala/org/apache/carbondata/examples/CaseClassDataFrameAPIExample.scala new file mode 100644 index 0000000..21bd002 --- /dev/null +++ b/examples/src/main/scala/org/apache/carbondata/examples/CaseClassDataFrameAPIExample.scala @@ -0,0 +1,49 @@ +/* + * 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.carbondata.examples + +import org.apache.spark.rdd.RDD +import org.apache.spark.sql.{DataFrame, SaveMode} + +import org.apache.carbondata.examples.util.ExampleUtils + +case class People(name: String, occupation: String, id: Int) + +object CaseClassDataFrameAPIExample { + + def main(args: Array[String]) { + val cc = ExampleUtils.createCarbonContext("CaseClassDataFrameAPIExample") + import cc.implicits._ + + val people = List(People("sangeeta", "engineer", 1), People("pallavi", "consultant", 2)) + val peopleRDD: RDD[People] = cc.sc.parallelize(people) + val peopleDF: DataFrame = peopleRDD.toDF("name", "occupation", "id") + + // writing data to carbon table + peopleDF.write + .format("carbondata") + .option("tableName", "carbon2") + .option("compress", "true") + .mode(SaveMode.Overwrite) + .save() + + cc.sql("SELECT * FROM carbon2").show() + + cc.sql("DROP TABLE IF EXISTS carbon2") + } +}
