org.apache.hadoop.hive.metastore

Interface MetadataStore

public interface MetadataStore

Method Summary

Modifier and Type	Method and Description
void	getFileMetadata(List<Long> fileIds, ByteBuffer[] result)
void	storeFileMetadata(List<Long> fileIds, List<ByteBuffer> metadataBuffers, ByteBuffer[] addedCols, ByteBuffer[][] addedVals)
void	storeFileMetadata(long fileId, ByteBuffer metadata, ByteBuffer[] addedCols, ByteBuffer[] addedVals)

Method Detail

getFileMetadata

void getFileMetadata(List<Long> fileIds,
                     ByteBuffer[] result)
              throws IOException

Parameters:

fileIds - file ID list.

result - The ref parameter, used to return the serialized file metadata.

Throws:

IOException

storeFileMetadata

void storeFileMetadata(List<Long> fileIds,
                       List<ByteBuffer> metadataBuffers,
                       ByteBuffer[] addedCols,
                       ByteBuffer[][] addedVals)
                throws IOException,
                       InterruptedException

Parameters:

fileIds - file ID list.

metadataBuffers - Serialized file metadata, one per file ID.

addedCols - The column names for additional columns created by file-format-specific metadata handler, to be stored in the cache.

addedVals - The values for addedCols; one value per file ID per added column.

Throws:

IOException

InterruptedException

storeFileMetadata

void storeFileMetadata(long fileId,
                       ByteBuffer metadata,
                       ByteBuffer[] addedCols,
                       ByteBuffer[] addedVals)
                throws IOException,
                       InterruptedException

Parameters:

fileId - The file ID.

metadata - Serialized file metadata.

addedCols - The column names for additional columns created by file-format-specific metadata handler, to be stored in the cache.

addedVals - The values for addedCols; one value per added column.

Throws:

IOException

InterruptedException