Github user ravipesala commented on a diff in the pull request: https://github.com/apache/carbondata/pull/2482#discussion_r202298843 --- Diff: integration/spark2/src/main/scala/org/apache/spark/sql/events/AlterTableMergeIndexEventListener.scala --- @@ -0,0 +1,95 @@ +/* + * 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.events + +import java.util + +import scala.collection.JavaConverters._ +import scala.collection.mutable + +import org.apache.spark.internal.Logging +import org.apache.spark.sql.util.CarbonException + +import org.apache.carbondata.common.logging.{LogService, LogServiceFactory} +import org.apache.carbondata.core.datamap.Segment +import org.apache.carbondata.core.locks.{CarbonLockFactory, LockUsage} +import org.apache.carbondata.core.statusmanager.SegmentStatusManager +import org.apache.carbondata.events.{AlterTableMergeIndexEvent, Event, OperationContext, OperationEventListener} +import org.apache.carbondata.processing.merger.CarbonDataMergerUtil +import org.apache.carbondata.spark.util.CommonUtil + +class AlterTableMergeIndexEventListener extends OperationEventListener with Logging { --- End diff -- This listener also merge with `MergeIndexEventListener` as another `case `
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