org.apache.lens.cube.metadata
Interface PartitionMetahook

All Known Implementing Classes:

DBStorage, HDFSStorage, Storage

public interface PartitionMetahook

Method Summary

void	commitAddPartition(StoragePartitionDesc storagePartitionDesc) Called after successfully adding the partition
void	commitDropPartition(String storageTableName, List<String> partVals) Called after successfully droping the partition
void	preAddPartition(StoragePartitionDesc storagePartitionDesc) Called before calling add partition
void	preDropPartition(String storageTableName, List<String> partVals) Called before calling drop partition
void	rollbackAddPartition(StoragePartitionDesc storagePartitionDesc) Called if add partition fails.
void	rollbackDropPartition(String storageTableName, List<String> partVals) Called if drop partition fails.

Method Detail

preAddPartition

void preAddPartition(StoragePartitionDesc storagePartitionDesc)
                     throws org.apache.hadoop.hive.ql.metadata.HiveException

Called before calling add partition

Parameters:

StoragePartitionDesc -

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

commitAddPartition

void commitAddPartition(StoragePartitionDesc storagePartitionDesc)
                        throws org.apache.hadoop.hive.ql.metadata.HiveException

Called after successfully adding the partition

Parameters:

StoragePartitionDesc -

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

rollbackAddPartition

void rollbackAddPartition(StoragePartitionDesc storagePartitionDesc)
                          throws org.apache.hadoop.hive.ql.metadata.HiveException

Called if add partition fails.

Parameters:

StoragePartitionDesc -

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

preDropPartition

void preDropPartition(String storageTableName,
                      List<String> partVals)
                      throws org.apache.hadoop.hive.ql.metadata.HiveException

Called before calling drop partition

Parameters:

storageTableName -

partVals -

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

commitDropPartition

void commitDropPartition(String storageTableName,
                         List<String> partVals)
                         throws org.apache.hadoop.hive.ql.metadata.HiveException

Called after successfully droping the partition

Parameters:

storageTableName -

partVals -

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

rollbackDropPartition

void rollbackDropPartition(String storageTableName,
                           List<String> partVals)
                           throws org.apache.hadoop.hive.ql.metadata.HiveException

Called if drop partition fails.

Parameters:

storageTableName -

partVals -

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException