Examples with OrcFileInfo io.trino.plugin.raptor.legacy.storage.OrcFileRewriter.OrcFileInfo used on opensource projects

Example 6 with OrcFileInfo

use of io.trino.plugin.raptor.legacy.storage.OrcFileRewriter.OrcFileInfo in project trino by trinodb.

the class RaptorStorageManager method rewriteShard.

@VisibleForTesting
Collection<Slice> rewriteShard(long transactionId, OptionalInt bucketNumber, UUID shardUuid, BitSet rowsToDelete) {
    if (rowsToDelete.isEmpty()) {
        return ImmutableList.of();
    }
    UUID newShardUuid = UUID.randomUUID();
    File input = storageService.getStorageFile(shardUuid);
    File output = storageService.getStagingFile(newShardUuid);
    OrcFileInfo info = rewriteFile(input, output, rowsToDelete);
    long rowCount = info.getRowCount();
    if (rowCount == 0) {
        return shardDelta(shardUuid, Optional.empty());
    }
    shardRecorder.recordCreatedShard(transactionId, newShardUuid);
    // submit for backup and wait until it finishes
    getFutureValue(backupManager.submit(newShardUuid, output));
    Set<String> nodes = ImmutableSet.of(nodeId);
    long uncompressedSize = info.getUncompressedSize();
    ShardInfo shard = createShardInfo(newShardUuid, bucketNumber, output, nodes, rowCount, uncompressedSize);
    writeShard(newShardUuid);
    return shardDelta(shardUuid, Optional.of(shard));
}