Github user xubo245 commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1481#discussion_r164042794
--- Diff: integration/spark2/src/main/scala/org/apache/spark/sql/execution/command/datamap/CarbonCreateDataMapCommand.scala ---
@@ -0,0 +1,68 @@
+/*
+ * 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.command.datamap
+
+import scala.collection.JavaConverters._
+
+import org.apache.spark.sql._
+import org.apache.spark.sql.catalyst.TableIdentifier
+import org.apache.spark.sql.execution.command._
+import org.apache.spark.sql.execution.command.preaaggregate.{CreatePreAggregateTableCommand, PreAggregateUtil}
+
+import org.apache.carbondata.common.logging.LogServiceFactory
+import org.apache.carbondata.core.metadata.schema.table.DataMapSchema
+
+/**
+ * Below command class will be used to create datamap on table
+ * and updating the parent table about the datamap information
+ *
+ * @param queryString
+ */
+case class CarbonCreateDataMapCommand(
+ dataMapName: String,
+ tableIdentifier: TableIdentifier,
+ dmClassName: String,
+ dmproperties: Map[String, String],
+ queryString: Option[String])
+ extends RunnableCommand with SchemaProcessCommand {
+
+ override def run(sparkSession: SparkSession): Seq[Row] = {
+ processSchema(sparkSession)
+ }
+
+ override def processSchema(sparkSession: SparkSession): Seq[Row] = {
+ val LOGGER = LogServiceFactory.getLogService(this.getClass.getCanonicalName)
+ if (dmClassName.equals("org.apache.carbondata.datamap.AggregateDataMapHandler") ||
+ dmClassName.equalsIgnoreCase("preaggregate")) {
+ CreatePreAggregateTableCommand(dataMapName,
+ tableIdentifier,
+ dmClassName,
+ dmproperties,
+ queryString.get).run(sparkSession)
+ } else {
--- End diff --
Why do this? Do carbon support create datamap ... using 'abc.class' now?
---
Locked
