Method Detail

• rewrite

  Predicate<T> rewrite(QueryRewriter<T> rewriter,
                     Predicate<T> input)

  Apply a rewrite rule to the Predicate.

  Parameters:

  input - the input predicate to be tested, and possibly rewritten.

  Returns:

  a rewritten form of the predicate if this rule matches with the tree input and has a rewrite for it; null if this rule does not want this predicate.

• useBestCost

  boolean useBestCost()

  Returns:

  true if the best cost should be selected.