Github user jackylk commented on a diff in the pull request: https://github.com/apache/carbondata/pull/1584#discussion_r161362125 --- Diff: examples/spark2/src/main/scala/org/apache/carbondata/examples/S3Example.scala --- @@ -0,0 +1,152 @@ +/* + * 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 java.io.File + +import org.apache.hadoop.fs.s3a.Constants.{ACCESS_KEY, SECRET_KEY} +import org.apache.spark.sql.SparkSession +import org.slf4j.{Logger, LoggerFactory} + +import org.apache.carbondata.core.constants.CarbonCommonConstants +import org.apache.carbondata.core.util.CarbonProperties + +object S3Example { + + /** + * This example demonstrate usage of s3 as a store. + * + * @param args require three parameters "Access-key" "Secret-key" + * "s3 bucket path" + */ + + def main(args: Array[String]) { + val rootPath = new File(this.getClass.getResource("/").getPath + + "../../../..").getCanonicalPath + val warehouse = s"$rootPath/examples/spark2/target/warehouse" + val path = s"$rootPath/examples/spark2/src/main/resources/data1.csv" + val logger: Logger = LoggerFactory.getLogger(this.getClass) + CarbonProperties.getInstance() + .addProperty(CarbonCommonConstants.CARBON_TIMESTAMP_FORMAT, "yyyy/MM/dd HH:mm:ss") + .addProperty(CarbonCommonConstants.CARBON_DATE_FORMAT, "yyyy/MM/dd") + .addProperty(CarbonCommonConstants.ENABLE_UNSAFE_COLUMN_PAGE_LOADING, "true") + .addProperty(CarbonCommonConstants.DEFAULT_CARBON_MAJOR_COMPACTION_SIZE, "0.02") + + import org.apache.spark.sql.CarbonSession._ + if (args.length != 3) { + logger.error("Usage: java CarbonS3Example <access-key> <secret-key>" + + "<carbon store location>") + System.exit(0) + } + + val (accessKey, secretKey) = getKeyOnPrefix(args(2)) + val spark = SparkSession + .builder() + .master("local") + .appName("CarbonSessionExample") + .config("spark.sql.warehouse.dir", warehouse) + .config("spark.driver.host", "localhost") + .config(accessKey, args(0)) + .config(secretKey, args(1)) + .getOrCreateCarbonSession(args(2), warehouse) + + spark.sparkContext.setLogLevel("INFO") + + spark.sql( + s""" + | CREATE TABLE if not exists carbon_table( + | shortField SHORT, + | intField INT, + | bigintField LONG, + | doubleField DOUBLE, + | stringField STRING, + | timestampField TIMESTAMP, + | decimalField DECIMAL(18,2), + | dateField DATE, + | charField CHAR(5), + | floatField FLOAT + | ) + | STORED BY 'carbondata' --- End diff -- I think this example should use `CREATE TABLE ... LOCATION 's3a://from_cmd_param'` to create table on s3.
---