本文整理了Java中org.apache.hadoop.hive.ql.metadata.Hive.exchangeTablePartitions()方法的一些代码示例，展示了Hive.exchangeTablePartitions()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Hive.exchangeTablePartitions()方法的具体详情如下：
包路径：org.apache.hadoop.hive.ql.metadata.Hive
类名称：Hive
方法名：exchangeTablePartitions

Hive.exchangeTablePartitions介绍

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代码示例

代码示例来源：origin: apache/hive

private int exchangeTablePartition(Hive db,
  AlterTableExchangePartition exchangePartition) throws HiveException {
 Map<String, String> partitionSpecs = exchangePartition.getPartitionSpecs();
 Table destTable = exchangePartition.getDestinationTable();
 Table sourceTable = exchangePartition.getSourceTable();
 List<Partition> partitions =
   db.exchangeTablePartitions(partitionSpecs, sourceTable.getDbName(),
   sourceTable.getTableName(),destTable.getDbName(),
   destTable.getTableName());
 for(Partition partition : partitions) {
  // Reuse the partition specs from dest partition since they should be the same
  work.getInputs().add(new ReadEntity(new Partition(sourceTable, partition.getSpec(), null)));
  addIfAbsentByName(new WriteEntity(new Partition(sourceTable, partition.getSpec(), null),
    WriteEntity.WriteType.DELETE));
  addIfAbsentByName(new WriteEntity(new Partition(destTable, partition.getSpec(), null),
    WriteEntity.WriteType.INSERT));
 }
 return 0;
}

代码示例来源：origin: apache/drill

private int exchangeTablePartition(Hive db,
  AlterTableExchangePartition exchangePartition) throws HiveException {
 Map<String, String> partitionSpecs = exchangePartition.getPartitionSpecs();
 Table destTable = exchangePartition.getDestinationTable();
 Table sourceTable = exchangePartition.getSourceTable();
 List<Partition> partitions =
   db.exchangeTablePartitions(partitionSpecs, sourceTable.getDbName(),
   sourceTable.getTableName(),destTable.getDbName(),
   destTable.getTableName());
 for(Partition partition : partitions) {
  // Reuse the partition specs from dest partition since they should be the same
  work.getInputs().add(new ReadEntity(new Partition(sourceTable, partition.getSpec(), null)));
  addIfAbsentByName(new WriteEntity(new Partition(sourceTable, partition.getSpec(), null),
    WriteEntity.WriteType.DELETE));
  addIfAbsentByName(new WriteEntity(new Partition(destTable, partition.getSpec(), null),
    WriteEntity.WriteType.INSERT));
 }
 return 0;
}

代码示例来源：origin: com.facebook.presto.hive/hive-apache

private int exchangeTablePartition(Hive db,
  AlterTableExchangePartition exchangePartition) throws HiveException {
 Map<String, String> partitionSpecs = exchangePartition.getPartitionSpecs();
 Table destTable = exchangePartition.getDestinationTable();
 Table sourceTable = exchangePartition.getSourceTable();
 db.exchangeTablePartitions(partitionSpecs, sourceTable.getDbName(),
   sourceTable.getTableName(),destTable.getDbName(),
   destTable.getTableName());
 return 0;
}