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From jackylk <...@git.apache.org>
Subject [GitHub] incubator-carbondata pull request #882: [CARBONDATA-936] Parse partition tab...
Date Mon, 08 May 2017 01:42:51 GMT
Github user jackylk commented on a diff in the pull request:

    https://github.com/apache/incubator-carbondata/pull/882#discussion_r115162145
  
    --- Diff: examples/spark2/src/main/scala/org/apache/carbondata/examples/CarbonPartitionExample.scala
---
    @@ -0,0 +1,131 @@
    +/*
    + * 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.spark.sql.SparkSession
    +
    +import org.apache.carbondata.core.constants.CarbonCommonConstants
    +import org.apache.carbondata.core.util.CarbonProperties
    +
    +object CarbonPartitionExample {
    +
    +  def main(args: Array[String]) {
    +    val rootPath = new File(this.getClass.getResource("/").getPath
    +                            + "../../../..").getCanonicalPath
    +    val storeLocation = s"$rootPath/examples/spark2/target/store"
    +    val warehouse = s"$rootPath/examples/spark2/target/warehouse"
    +    val metastoredb = s"$rootPath/examples/spark2/target"
    +    val testData = s"$rootPath/examples/spark2/src/main/resources/partition_data.csv"
    +
    +    CarbonProperties.getInstance()
    +      .addProperty(CarbonCommonConstants.CARBON_TIMESTAMP_FORMAT, "yyyy/MM/dd")
    +
    +    import org.apache.spark.sql.CarbonSession._
    +
    +    val spark = SparkSession
    +      .builder()
    +      .master("local")
    +      .appName("CarbonPartitionExample")
    +      .config("spark.sql.warehouse.dir", warehouse)
    +      .getOrCreateCarbonSession(storeLocation, metastoredb)
    +
    +    spark.sparkContext.setLogLevel("WARN")
    +
    +    // none partition table
    +    spark.sql("DROP TABLE IF EXISTS t0")
    +
    +    spark.sql("""
    +                | CREATE TABLE IF NOT EXISTS t0
    +                | (
    +                | vin String,
    +                | logdate Timestamp,
    +                | phonenumber Long,
    +                | country String,
    +                | area String
    +                | )
    +                | STORED BY 'carbondata'
    +              """.stripMargin)
    +
    +    // range partition
    +    spark.sql("DROP TABLE IF EXISTS t1")
    +
    +    spark.sql("""
    +                | CREATE TABLE IF NOT EXISTS t1
    +                | (
    +                | vin String,
    +                | logdate Timestamp,
    +                | phonenumber Long,
    +                | country String,
    +                | area String
    +                | )
    +                | PARTITIONED BY (logdate Timestamp)
    +                | STORED BY 'carbondata'
    +                | TBLPROPERTIES('PARTITION_TYPE'='RANGE',
    +                | 'RANGE_INFO'='20140101, 2015/01/01 ,2016-01-01, ')
    +              """.stripMargin)
    +
    +    // hash partition
    +    spark.sql("DROP TABLE IF EXISTS t3")
    +
    +    spark.sql("""
    +                | CREATE TABLE IF NOT EXISTS t3
    +                | (
    +                | vin String,
    +                | logdate Timestamp,
    +                | phonenumber Long,
    +                | country String,
    +                | area String
    +                | )
    +                | PARTITIONED BY (vin String)
    +                | STORED BY 'carbondata'
    +                | TBLPROPERTIES('PARTITION_TYPE'='HASH','HASH_NUMBER'='5')
    +                """.stripMargin)
    +
    +    // list partition
    +    spark.sql("DROP TABLE IF EXISTS t5")
    +
    +    spark.sql("""
    +       | CREATE TABLE IF NOT EXISTS t5
    +       | (
    +       | vin String,
    +       | logdate Timestamp,
    +       | phonenumber Long,
    +       | country String,
    +       | area String
    +       |)
    +       | PARTITIONED BY (country string)
    +       | STORED BY 'carbondata'
    +       | TBLPROPERTIES('PARTITION_TYPE'='LIST',
    +       | 'LIST_INFO'='(China,United States),UK ,japan,(Canada,Russia), South Korea ')
    +       """.stripMargin)
    +
    +    // spark.sql(s"""
    +    //   LOAD DATA LOCAL INPATH '$testData' into table t3
    --- End diff --
    
    Loading is not working in this PR?


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