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

接口 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.

方法概要

限定符和类型	方法和说明
void	executeTruncation() Execute truncating table.

方法详细资料

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.