Method optimize

basex-core/src/main/java/org/basex/query/expr/Preds.java:93–100

Optimizes all predicates. @param cc compilation context @param root root expression @return whether the evaluation can be skipped @throws QueryException query exception

(final CompileContext cc, final Expr root)

   * @throws QueryException query exception
   */
  protected final boolean optimize(final CompileContext cc, final Expr root) throws QueryException {
    return cc.ok(root, true, () -> {
      final ExprList list = new ExprList(exprs.length);
      for(final Expr expr : exprs) optimize(expr, list, root, cc);
      exprs = list.finish();
      return optimizeEbv(false, true, cc);
    }) || optimizeType(root);
  }

  /**
   * Optimizes a predicate.