Package io.trino.operator.exchange

Class LocalPartitionGenerator

java.lang.Object
io.trino.operator.exchange.LocalPartitionGenerator
All Implemented Interfaces:
PartitionFunction
public class LocalPartitionGenerator extends Object implements PartitionFunction

  • Constructor Details

    • LocalPartitionGenerator

      public LocalPartitionGenerator(HashGenerator hashGenerator, int partitionCount)

  • Method Details

    • partitionCount

      public int partitionCount()
      Specified by:
      partitionCount in interface PartitionFunction

    • getPartition

      public int getPartition(Page page, int position)
      Specified by:
      getPartition in interface PartitionFunction
      Parameters:
      page - the arguments to bucketing function in order (no extra columns)

    • getRawHash

      public long getRawHash(Page page, int position)

    • getPartition

      public int getPartition(long rawHash)