org.apache.flink.table.connector.sink.abilities

Interface SupportsTruncate

@PublicEvolving
public interface SupportsTruncate

Enables to delete all existing data in a DynamicTableSink table using TRUNCATE TABLE statement.

For TRUNCATE TABLE statement, if the corresponding DynamicTableSink have implemented this interface, then the method executeTruncation() will be invoked in execution phase. Otherwise, Flink will throw exception directly.

Method Summary

Modifier and Type	Method and Description
void	executeTruncation() Execute truncating table.

Method Detail

executeTruncation

void executeTruncation()

Execute truncating table.

Note: please remember to throw exception if the truncation hasn't been executed successfully, otherwise it'll be still considered to haven been executed successfully by Flink.