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DeleteMarkerProcedure.scala
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DeleteMarkerProcedure.scala
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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.hudi.command.procedures
import org.apache.hudi.table.HoodieSparkTable
import org.apache.hudi.table.marker.WriteMarkersFactory
import org.apache.spark.internal.Logging
import org.apache.spark.sql.Row
import org.apache.spark.sql.types.{DataTypes, Metadata, StructField, StructType}
import java.util.function.Supplier
import scala.util.{Failure, Success, Try}
class DeleteMarkerProcedure extends BaseProcedure with ProcedureBuilder with Logging {
private val PARAMETERS = Array[ProcedureParameter](
ProcedureParameter.required(0, "table", DataTypes.StringType, None),
ProcedureParameter.required(1, "instant_time", DataTypes.StringType, None)
)
private val OUTPUT_TYPE = new StructType(Array[StructField](
StructField("delete_marker_result", DataTypes.BooleanType, nullable = true, Metadata.empty))
)
def parameters: Array[ProcedureParameter] = PARAMETERS
def outputType: StructType = OUTPUT_TYPE
override def call(args: ProcedureArgs): Seq[Row] = {
super.checkArgs(PARAMETERS, args)
val tableName = getArgValueOrDefault(args, PARAMETERS(0))
val instantTime = getArgValueOrDefault(args, PARAMETERS(1)).get.asInstanceOf[String]
val basePath = getBasePath(tableName)
val result = Try {
val client = createHoodieClient(jsc, basePath)
val config = client.getConfig
val context = client.getEngineContext
val table = HoodieSparkTable.create(config, context)
WriteMarkersFactory.get(config.getMarkersType, table, instantTime)
.quietDeleteMarkerDir(context, config.getMarkersDeleteParallelism)
} match {
case Success(_) =>
logInfo(s"Marker $instantTime deleted.")
true
case Failure(e) =>
logWarning(s"Failed: Could not clean marker instantTime: $instantTime.", e)
false
}
Seq(Row(result))
}
override def build: Procedure = new DeleteMarkerProcedure()
}
object DeleteMarkerProcedure {
val NAME: String = "delete_marker"
def builder: Supplier[ProcedureBuilder] = new Supplier[ProcedureBuilder] {
override def get(): DeleteMarkerProcedure = new DeleteMarkerProcedure()
}
}