Package io.trino.operator

Class FlatHash

java.lang.Object
io.trino.operator.FlatHash
public final class FlatHash extends Object

  • Constructor Details

    • FlatHash

      public FlatHash(FlatHashStrategy flatHashStrategy, boolean hasPrecomputedHash, int expectedSize, UpdateMemory checkMemoryReservation)

  • Method Details

    • getEstimatedSize

      public long getEstimatedSize()

    • size

      public int size()

    • getCapacity

      public int getCapacity()

    • hashPosition

      public long hashPosition(int groupId)

    • appendTo

      public void appendTo(int groupId, BlockBuilder[] blockBuilders)

    • contains

      public boolean contains(Block[] blocks, int position)

    • contains

      public boolean contains(Block[] blocks, int position, long hash)

    • computeHashes

      public void computeHashes(Block[] blocks, long[] hashes, int offset, int length)

    • putIfAbsent

      public int putIfAbsent(Block[] blocks, int position, long hash)

    • putIfAbsent

      public int putIfAbsent(Block[] blocks, int position)

    • ensureAvailableCapacity

      public boolean ensureAvailableCapacity(int batchSize)

    • getPhysicalPosition

      public int getPhysicalPosition(int groupId)

    • sumExact

      public static long sumExact(long... values)