| /* |
| * 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.secondaryindex.events |
| |
| import org.apache.log4j.Logger |
| import org.apache.spark.internal.Logging |
| import org.apache.spark.sql.secondaryindex.util.CarbonInternalScalaUtil |
| |
| import org.apache.carbondata.common.logging.LogServiceFactory |
| import org.apache.carbondata.events.{Event, OperationContext, OperationEventListener, UpdateTablePreEvent} |
| |
| class UpdateTablePreEventListener extends OperationEventListener with Logging { |
| |
| val LOGGER: Logger = LogServiceFactory.getLogService(this.getClass.getCanonicalName) |
| |
| /** |
| * Called on a specified event occurrence |
| * |
| */ |
| override def onEvent(event: Event, operationContext: OperationContext): Unit = { |
| event match { |
| case updateTablePreEvent: UpdateTablePreEvent => |
| LOGGER.info("Update table pre event listener called") |
| val carbonTable = updateTablePreEvent.carbonTable |
| // Should not allow update on index table |
| if (carbonTable.isIndexTable) { |
| sys |
| .error(s"Update is not permitted on Index Table [${ |
| carbonTable |
| .getDatabaseName |
| }.${ carbonTable.getTableName }]") |
| } else if (!CarbonInternalScalaUtil.getIndexesMap(carbonTable).isEmpty) { |
| sys |
| .error(s"Update is not permitted on table that contains secondary index [${ |
| carbonTable |
| .getDatabaseName |
| }.${ carbonTable.getTableName }]. Drop all indexes and retry") |
| |
| } |
| } |
| } |
| } |