Package io.trino.plugin.deltalake.transactionlog.writer

Interface TransactionLogSynchronizer

All Known Implementing Classes:
AzureTransactionLogSynchronizer, GcsTransactionLogSynchronizer, NoIsolationSynchronizer, S3NativeTransactionLogSynchronizer
public interface TransactionLogSynchronizer

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    isUnsafe()
    Whether or not writes using this Synchronizer need to be enabled with the "delta.enable-non-concurrent-writes" config property.
    void
    write(ConnectorSession session, String clusterId, org.apache.hadoop.fs.Path newLogEntryPath, byte[] entryContents)
    Performs atomic write of transaction log entry file.

  • Method Details

    • write

      void write(ConnectorSession session, String clusterId, org.apache.hadoop.fs.Path newLogEntryPath, byte[] entryContents)
      Performs atomic write of transaction log entry file.
      Throws:
      TransactionConflictException - If file cannot be written because of conflict with other transaction
      RuntimeException - If some other unexpected error occurs

    • isUnsafe

      boolean isUnsafe()
      Whether or not writes using this Synchronizer need to be enabled with the "delta.enable-non-concurrent-writes" config property.
      Returns:
      False if collision detection for writes from multiple clusters is supported, else true.