niuge01 commented on a change in pull request #3661: [WIP] Support materialized view
URL:
https://github.com/apache/carbondata/pull/3661#discussion_r396976400
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File path: integration/spark/src/main/scala/org/apache/spark/sql/execution/command/index/CarbonCreateIndexCommand.scala
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@@ -0,0 +1,195 @@
+/*
+ * 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.index
+
+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.secondaryindex.command.IndexModel
+
+import org.apache.carbondata.common.exceptions.sql.{MalformedCarbonCommandException, MalformedIndexCommandException, NoSuchIndexException}
+import org.apache.carbondata.common.logging.LogServiceFactory
+import org.apache.carbondata.core.constants.CarbonCommonConstants
+import org.apache.carbondata.core.datamap.DataMapStoreManager
+import org.apache.carbondata.core.datamap.status.DataMapStatusManager
+import org.apache.carbondata.core.metadata.ColumnarFormatVersion
+import org.apache.carbondata.core.metadata.datatype.DataTypes
+import org.apache.carbondata.core.metadata.schema.datamap.{DataMapClassProvider, DataMapProperty}
+import org.apache.carbondata.core.metadata.schema.table.{CarbonTable, DataMapSchema}
+import org.apache.carbondata.core.util.{CarbonProperties, CarbonUtil}
+import org.apache.carbondata.datamap.IndexProvider
+import org.apache.carbondata.events._
+
+/**
+ * Below command class will be used to create index on table
+ * and updating the parent table about the index information
+ */
+case class CarbonCreateIndexCommand(
+ indexModel: IndexModel,
+ indexProviderName: String,
+ properties: Map[String, String],
+ ifNotExistsSet: Boolean = false,
+ var deferredRebuild: Boolean = false)
+ extends AtomicRunnableCommand {
+
+ private val LOGGER = LogServiceFactory.getLogService(this.getClass.getName)
+ private var provider: IndexProvider = _
+ private var parentTable: CarbonTable = _
+ private var dataMapSchema: DataMapSchema = _
+
+ override def processMetadata(sparkSession: SparkSession): Seq[Row] = {
+ // since streaming segment does not support building index yet,
+ // so streaming table does not support create index
+ parentTable = CarbonEnv.getCarbonTable(indexModel.dbName, indexModel.tableName)(sparkSession)
+ val indexName = indexModel.indexName
+
+ setAuditTable(parentTable)
+ setAuditInfo(Map("provider" -> indexProviderName, "indexName" -> indexName) ++ properties)
+
+ if (!parentTable.getTableInfo.isTransactionalTable) {
+ throw new MalformedCarbonCommandException("Unsupported operation on non transactional table")
+ }
+
+ if (DataMapStoreManager.getInstance().isDataMapExist(parentTable.getTableId, indexName)) {
+ if (!ifNotExistsSet) {
+ throw new NoSuchIndexException(indexName)
Review comment:
OK
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