Package com.illumon.iris.db.v2.updateby

Interface UpdateByControl

public interface UpdateByControl
An interface to control the behavior of an Table.updateBy(com.illumon.iris.db.v2.updateby.UpdateByControl, java.util.Collection<com.illumon.iris.db.v2.updateby.UpdateByClause>, com.illumon.iris.db.tables.select.MatchPair...)

  • Field Details

    • DEFAULT_CHUNK_CAPACITY

      static final int DEFAULT_CHUNK_CAPACITY

    • DEFAULT_USE_REDIRECTION

      static final boolean DEFAULT_USE_REDIRECTION

    • DEFAULT_MAXIMUM_STATIC_SPARSE_MEMORY_OVERHEAD

      static final double DEFAULT_MAXIMUM_STATIC_SPARSE_MEMORY_OVERHEAD

    • DEFAULT

      static final UpdateByControl DEFAULT

  • Method Details

    • useRedirection

      default boolean useRedirection()
      If redirections should be used for output sources instead of sparse array sources.
      Returns:
      true if redirections should be used.

    • getChunkCapacity

      default int getChunkCapacity()
      Get the default maximum chunk capacity.
      Returns:
      the maximum chunk capacity.

    • getMaxStaticSparseMemoryOverhead

      default double getMaxStaticSparseMemoryOverhead()
      The maximum fractional memory overhead allowable for sparse redirections.
      Returns:
      the maximum fractional memory overhead.

    • initialHashTableSize

      default int initialHashTableSize(@NotNull Table source)
      Get the initial hash table size for the specified input table.
      Parameters:
      source - the input table
      Returns:
      the initial hash table size

    • getMaximumLoadFactor

      default double getMaximumLoadFactor()
      Get the maximum load factor for the hash table.
      Returns:
      the maximum load factor

    • getTargetLoadFactor

      default double getTargetLoadFactor()
      Get the target load factor for the hash table.
      Returns:
      the target load factor

    • considerGrouping

      default boolean considerGrouping(@NotNull Table source, @NotNull ColumnSource<?>[] keySources)
      Get if the operation should use grouping data.
      Parameters:
      source - the source table
      keySources - the ke sources
      Returns:
      true if the operation should use groupings.

    • getDefaultMathContext

      default MathContext getDefaultMathContext()