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From ravipesala <...@git.apache.org>
Subject [GitHub] carbondata pull request #1654: [CARBONDATA-1856][PARTITION] Support insert/l...
Date Mon, 18 Dec 2017 09:28:45 GMT
Github user ravipesala commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/1654#discussion_r157433815
  
    --- Diff: integration/spark2/src/main/scala/org/apache/spark/sql/execution/datasources/CarbonFileFormat.scala
---
    @@ -0,0 +1,247 @@
    +/*
    + * 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.execution.datasources
    +
    +import java.io.File
    +import java.util
    +
    +import scala.collection.JavaConverters._
    +import scala.util.Random
    +
    +import org.apache.hadoop.fs.{FileStatus, Path}
    +import org.apache.hadoop.io.NullWritable
    +import org.apache.hadoop.mapreduce.{Job, TaskAttemptContext}
    +import org.apache.spark.SparkEnv
    +import org.apache.spark.internal.Logging
    +import org.apache.spark.sql.{Row, SparkSession}
    +import org.apache.spark.sql.catalyst.InternalRow
    +import org.apache.spark.sql.catalyst.catalog.ExternalCatalogUtils
    +import org.apache.spark.sql.internal.SQLConf
    +import org.apache.spark.sql.sources.DataSourceRegister
    +import org.apache.spark.sql.types.{DataType, StructType}
    +
    +import org.apache.carbondata.core.constants.{CarbonCommonConstants, CarbonLoadOptionConstants}
    +import org.apache.carbondata.core.metadata.{CarbonMetadata, PartitionMapFileStore}
    +import org.apache.carbondata.core.util.CarbonProperties
    +import org.apache.carbondata.core.util.path.CarbonTablePath
    +import org.apache.carbondata.hadoop.api.{CarbonOutputCommitter, CarbonTableOutputFormat}
    +import org.apache.carbondata.hadoop.api.CarbonTableOutputFormat.CarbonRecordWriter
    +import org.apache.carbondata.processing.loading.csvinput.StringArrayWritable
    +import org.apache.carbondata.processing.loading.model.CarbonLoadModel
    +import org.apache.carbondata.spark.util.{DataLoadingUtil, Util}
    +
    +class CarbonFileFormat
    +  extends FileFormat
    +    with DataSourceRegister
    +    with Logging
    +with Serializable {
    +
    +  override def shortName(): String = "carbondata"
    +
    +  override def inferSchema(sparkSession: SparkSession,
    +      options: Map[String, String],
    +      files: Seq[FileStatus]): Option[StructType] = {
    +    None
    +  }
    +
    +  override def prepareWrite(sparkSession: SparkSession,
    +      job: Job,
    +      options: Map[String, String],
    +      dataSchema: StructType): OutputWriterFactory = {
    +    val conf = job.getConfiguration
    +    conf.setClass(
    +      SQLConf.OUTPUT_COMMITTER_CLASS.key,
    +      classOf[CarbonOutputCommitter],
    +      classOf[CarbonOutputCommitter])
    +    conf.set("carbon.commit.protocol", "carbon.commit.protocol")
    +    sparkSession.sessionState.conf.setConfString(
    +      "spark.sql.sources.commitProtocolClass",
    +      "org.apache.spark.sql.execution.datasources.CarbonSQLHadoopMapReduceCommitProtocol")
    +
    +    job.setOutputFormatClass(classOf[CarbonTableOutputFormat])
    +
    +    var table = CarbonMetadata.getInstance().getCarbonTable(
    --- End diff --
    
    ok


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