org.apache.spark.sql.execution.shim.PaimonCreateTableAsSelectStrategy.scala Maven / Gradle / Ivy

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/*
 * 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.shim

import org.apache.paimon.CoreOptions
import org.apache.paimon.spark.SparkCatalog

import org.apache.spark.sql.{SparkSession, Strategy}
import org.apache.spark.sql.catalyst.analysis.ResolvedIdentifier
import org.apache.spark.sql.catalyst.plans.logical.{CreateTableAsSelect, LogicalPlan, TableSpec}
import org.apache.spark.sql.connector.catalog.StagingTableCatalog
import org.apache.spark.sql.execution.{PaimonStrategyHelper, SparkPlan}
import org.apache.spark.sql.execution.datasources.v2.CreateTableAsSelectExec

import scala.collection.JavaConverters._

case class PaimonCreateTableAsSelectStrategy(spark: SparkSession)
  extends Strategy
  with PaimonStrategyHelper {

  import org.apache.spark.sql.connector.catalog.CatalogV2Implicits._

  override def apply(plan: LogicalPlan): Seq[SparkPlan] = plan match {
    case CreateTableAsSelect(
          ResolvedIdentifier(catalog: SparkCatalog, ident),
          parts,
          query,
          tableSpec: TableSpec,
          options,
          ifNotExists,
          true) =>
      catalog match {
        case _: StagingTableCatalog =>
          throw new RuntimeException("Paimon can't extend StagingTableCatalog for now.")
        case _ =>
          val coreOptionKeys = CoreOptions.getOptions.asScala.map(_.key()).toSeq
          val (coreOptions, writeOptions) = options.partition {
            case (key, _) => coreOptionKeys.contains(key)
          }
          val newTableSpec = tableSpec.copy(properties = tableSpec.properties ++ coreOptions)
          CreateTableAsSelectExec(
            catalog.asTableCatalog,
            ident,
            parts,
            query,
            qualifyLocInTableSpec(newTableSpec),
            writeOptions,
            ifNotExists) :: Nil
      }
    case _ => Nil
  }
}