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InMemoryAtomicPartitionTable.scala
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InMemoryAtomicPartitionTable.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.connector
import java.util
import org.apache.spark.sql.catalyst.InternalRow
import org.apache.spark.sql.catalyst.analysis.{PartitionAlreadyExistsException, PartitionsAlreadyExistException}
import org.apache.spark.sql.connector.catalog.SupportsAtomicPartitionManagement
import org.apache.spark.sql.connector.expressions.Transform
import org.apache.spark.sql.types.StructType
/**
* This class is used to test SupportsAtomicPartitionManagement API.
*/
class InMemoryAtomicPartitionTable (
name: String,
schema: StructType,
partitioning: Array[Transform],
properties: util.Map[String, String])
extends InMemoryPartitionTable(name, schema, partitioning, properties)
with SupportsAtomicPartitionManagement {
override def createPartition(
ident: InternalRow,
properties: util.Map[String, String]): Unit = {
if (memoryTablePartitions.containsKey(ident)) {
throw new PartitionAlreadyExistsException(name, ident, partitionSchema)
} else {
memoryTablePartitions.put(ident, properties)
}
}
override def dropPartition(ident: InternalRow): Boolean = {
if (memoryTablePartitions.containsKey(ident)) {
memoryTablePartitions.remove(ident)
removePartitionKey(ident.toSeq(schema))
true
} else {
false
}
}
override def createPartitions(
idents: Array[InternalRow],
properties: Array[util.Map[String, String]]): Unit = {
if (idents.exists(partitionExists)) {
throw new PartitionsAlreadyExistException(
name, idents.filter(partitionExists), partitionSchema)
}
idents.zip(properties).foreach { case (ident, property) =>
createPartition(ident, property)
}
}
override def dropPartitions(idents: Array[InternalRow]): Boolean = {
if (!idents.forall(partitionExists)) {
return false;
}
idents.forall(dropPartition)
}
}