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, String newLogEntryPath, byte[] entryContents)	Performs atomic write of transaction log entry file.

Method Details

write

void write(ConnectorSession session,
 String clusterId,
 String 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.