| /* |
| * 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.datasources.v2 |
| |
| import scala.collection.JavaConverters._ |
| |
| import org.apache.spark.sql.catalyst.InternalRow |
| import org.apache.spark.sql.catalyst.analysis.NoSuchTableException |
| import org.apache.spark.sql.catalyst.expressions.Attribute |
| import org.apache.spark.sql.connector.catalog.{Identifier, StagedTable, StagingTableCatalog, Table, TableCatalog} |
| import org.apache.spark.sql.connector.expressions.Transform |
| import org.apache.spark.sql.errors.QueryCompilationErrors |
| import org.apache.spark.sql.types.StructType |
| import org.apache.spark.util.Utils |
| |
| case class ReplaceTableExec( |
| catalog: TableCatalog, |
| ident: Identifier, |
| tableSchema: StructType, |
| partitioning: Seq[Transform], |
| tableProperties: Map[String, String], |
| orCreate: Boolean, |
| invalidateCache: (TableCatalog, Table, Identifier) => Unit) extends LeafV2CommandExec { |
| |
| override protected def run(): Seq[InternalRow] = { |
| if (catalog.tableExists(ident)) { |
| val table = catalog.loadTable(ident) |
| invalidateCache(catalog, table, ident) |
| catalog.dropTable(ident) |
| } else if (!orCreate) { |
| throw QueryCompilationErrors.cannotReplaceMissingTableError(ident) |
| } |
| catalog.createTable(ident, tableSchema, partitioning.toArray, tableProperties.asJava) |
| Seq.empty |
| } |
| |
| override def output: Seq[Attribute] = Seq.empty |
| } |
| |
| case class AtomicReplaceTableExec( |
| catalog: StagingTableCatalog, |
| identifier: Identifier, |
| tableSchema: StructType, |
| partitioning: Seq[Transform], |
| tableProperties: Map[String, String], |
| orCreate: Boolean, |
| invalidateCache: (TableCatalog, Table, Identifier) => Unit) extends LeafV2CommandExec { |
| |
| override protected def run(): Seq[InternalRow] = { |
| if (catalog.tableExists(identifier)) { |
| val table = catalog.loadTable(identifier) |
| invalidateCache(catalog, table, identifier) |
| } |
| val staged = if (orCreate) { |
| catalog.stageCreateOrReplace( |
| identifier, tableSchema, partitioning.toArray, tableProperties.asJava) |
| } else if (catalog.tableExists(identifier)) { |
| try { |
| catalog.stageReplace( |
| identifier, tableSchema, partitioning.toArray, tableProperties.asJava) |
| } catch { |
| case e: NoSuchTableException => |
| throw QueryCompilationErrors.cannotReplaceMissingTableError(identifier, Some(e)) |
| } |
| } else { |
| throw QueryCompilationErrors.cannotReplaceMissingTableError(identifier) |
| } |
| commitOrAbortStagedChanges(staged) |
| Seq.empty |
| } |
| |
| override def output: Seq[Attribute] = Seq.empty |
| |
| private def commitOrAbortStagedChanges(staged: StagedTable): Unit = { |
| Utils.tryWithSafeFinallyAndFailureCallbacks({ |
| staged.commitStagedChanges() |
| })(catchBlock = { |
| staged.abortStagedChanges() |
| }) |
| } |
| } |