| /* |
| * 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.catalyst.optimizer |
| |
| import org.apache.spark.sql.catalyst.expressions.SubqueryExpression |
| import org.apache.spark.sql.catalyst.plans.logical.{DeleteFromTable, Filter, LogicalPlan} |
| import org.apache.spark.sql.catalyst.rules.Rule |
| import org.apache.spark.sql.catalyst.utils.PlanUtils.isIcebergRelation |
| |
| // a temp solution until PullupCorrelatedPredicates handles row-level operations in Spark |
| object PullupCorrelatedPredicatesInRowLevelOperations extends Rule[LogicalPlan] { |
| override def apply(plan: LogicalPlan): LogicalPlan = plan transform { |
| case d @ DeleteFromTable(table, Some(cond)) if SubqueryExpression.hasSubquery(cond) && isIcebergRelation(table) => |
| // Spark pulls up correlated predicates only for UnaryNodes |
| // DeleteFromTable does not extend UnaryNode so it is ignored in that rule |
| // We have this workaround until it is fixed in Spark |
| val filter = Filter(cond, table) |
| val transformedFilter = PullupCorrelatedPredicates.apply(filter) |
| val transformedCond = transformedFilter.asInstanceOf[Filter].condition |
| d.copy(condition = Some(transformedCond)) |
| } |
| } |