| /* |
| * 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.kyuubi.sql |
| |
| import org.apache.spark.sql.SparkSession |
| import org.apache.spark.sql.catalyst.analysis.{UnresolvedFunctionName, UnresolvedRelation} |
| import org.apache.spark.sql.catalyst.plans.logical._ |
| import org.apache.spark.sql.catalyst.rules.Rule |
| import org.apache.spark.sql.execution.command.{AlterTableDropPartitionCommand, DropFunctionCommand, DropTableCommand} |
| |
| import org.apache.kyuubi.sql.KyuubiSQLConf._ |
| |
| case class DropIgnoreNonexistent(session: SparkSession) extends Rule[LogicalPlan] { |
| |
| override def apply(plan: LogicalPlan): LogicalPlan = { |
| if (conf.getConf(DROP_IGNORE_NONEXISTENT)) { |
| plan match { |
| case i @ AlterTableDropPartitionCommand(_, _, false, _, _) => |
| i.copy(ifExists = true) |
| case i @ DropTableCommand(_, false, _, _) => |
| i.copy(ifExists = true) |
| case i @ DropTable(_, false, _) => |
| i.copy(ifExists = true) |
| case i @ DropNamespace(_, false, _) => |
| i.copy(ifExists = true) |
| case i @ DropFunctionCommand(_, false, _) => |
| i.copy(ifExists = true) |
| case i @ DropView(_, false) => |
| i.copy(ifExists = true) |
| // refer: org.apache.spark.sql.catalyst.analysis.ResolveCommandsWithIfExists |
| case UncacheTable(u: UnresolvedRelation, false, _) => |
| NoopCommand("UNCACHE TABLE", u.multipartIdentifier) |
| case DropFunction(u: UnresolvedFunctionName, false) => |
| NoopCommand("DROP FUNCTION", u.multipartIdentifier) |
| case _ => plan |
| } |
| } else { |
| plan |
| } |
| } |
| |
| } |