Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1192#discussion_r131634496
--- Diff:
integration/spark2/src/main/scala/org/apache/spark/sql/execution/command/carbonTableSchema.scala
---
@@ -183,6 +190,138 @@ case class AlterTableCompaction(alterTableModel:
AlterTableModel) extends Runnab
}
}
+/**
+ * Command for Alter Table Add & Split partition
+ * Add is a special case of Splitting the default partition (part0)
+ * @param alterTableSplitPartitionModel
+ */
+case class AlterTableSplitPartition(alterTableSplitPartitionModel:
AlterTableSplitPartitionModel)
+ extends RunnableCommand with DataProcessCommand with
SchemaProcessCommand {
+ val LOGGER = LogServiceFactory.getLogService(this.getClass.getName)
+ val tableName = alterTableSplitPartitionModel.tableName
+ val splitInfo = alterTableSplitPartitionModel.splitInfo
+ val partitionId = alterTableSplitPartitionModel.partitionId.toInt
+ var partitionInfo: PartitionInfo = null
+ var carbonMetaStore: CarbonMetaStore = null
+ var relation: CarbonRelation = null
+ var dbName: String = null
+ var storePath: String = null
+ var carbonTableIdentifier: CarbonTableIdentifier = null
+ val timestampFormatter = new
SimpleDateFormat(CarbonProperties.getInstance
+ .getProperty(CarbonCommonConstants.CARBON_TIMESTAMP_FORMAT,
+ CarbonCommonConstants.CARBON_TIMESTAMP_DEFAULT_FORMAT))
+ val dateFormatter = new SimpleDateFormat(CarbonProperties.getInstance
+ .getProperty(CarbonCommonConstants.CARBON_DATE_FORMAT,
+ CarbonCommonConstants.CARBON_DATE_DEFAULT_FORMAT))
+ val locksToBeAcquired = List(LockUsage.METADATA_LOCK,
+ LockUsage.COMPACTION_LOCK,
+ LockUsage.DELETE_SEGMENT_LOCK,
+ LockUsage.DROP_TABLE_LOCK,
+ LockUsage.CLEAN_FILES_LOCK,
+ LockUsage.ALTER_PARTITION_LOCK)
+
+ def run(sparkSession: SparkSession): Seq[Row] = {
+ var success = false
+ try {
+ processData(sparkSession)
+ success = true
+ } catch {
+ case e: Exception => sys.error(s"Error in alter table split
partition : ${ e.getMessage }")
+ success = false
+ }
+ if (success) {
+ processSchema(sparkSession)
--- End diff --
processSchema first then processData
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