return input.Clone(output), nil
	}

	for i, expr := range e.selectAST.Expression.Expressions {
		v, err := expr.evalNode(input, e.tableAlias)
		if err != nil {
			return nil, err
		}

		// Pick output column names
		if expr.As != "" {
			output, err = output.Set(expr.As, v)
		} else if comp, ok := getLastKeypathComponent(expr.Expression); ok {
			output, err = output.Set(comp, v)
		} else {

        int totalWeight = 0;
        for (ChannelInfo channel : channels) {
            totalWeight += channel.getScore();
        }

        if (totalWeight == 0) {
            // All channels have zero score, pick randomly
            List<ChannelInfo> list = new ArrayList<>(channels);
            return list.get(ThreadLocalRandom.current().nextInt(list.size()));
        }

        // Weighted random selection

//       createdBefore: "2006-01-02T15:04:05.00Z" # match objects created before "date"
//       tags:
//         - key: name
//           value: pick* # match objects with tag 'name', all values starting with 'pick'
//       metadata:
//         - key: content-type
//           value: image/* # match objects with 'content-type', all values starting with 'image/'
//       size:

  private var limit = -1L

  /** Type hints scoped to the call stack, manipulated with [withTypeHint]. */
  private val typeHintStack = mutableListOf<Any?>()

  /**
   * The type hint for the current object. Used to pick adapters based on other fields, such as
   * in extensions which have different types depending on their extension ID.
   */
  var typeHint: Any?
    get() = typeHintStack.lastOrNull()
    set(value) {

    String INDEX_BACKUP_TARGETS = "index.backup.targets";

    /** The key of the configuration. e.g. click_log.ndjson,favorite_log.ndjson,search_log.ndjson,user_info.ndjson */
    String INDEX_BACKUP_LOG_TARGETS = "index.backup.log.targets";

    /** The key of the configuration. e.g. 60000 */
    String INDEX_BACKUP_LOG_LOAD_TIMEOUT = "index.backup.log.load.timeout";

@DoNotMock("Use ImmutableRangeMap or TreeRangeMap")
@GwtIncompatible
public interface RangeMap<K extends Comparable, V> {
  /*
   * TODO(cpovirk): These docs sometimes say "map" and sometimes say "range map." Pick one, or at
   * least decide on a policy for when to use which.
   */

  /**
   * Returns the value associated with the specified key, or {@code null} if there is no such value.
   *

	event := events[0]
	if event.Action != TransitionAction {
		t.Fatalf("Expected %v action but got %v", TransitionAction, event.Action)
	}
	// The earlier upcoming lifecycle event must be picked, i.e rule with id "Transition-10"
	if exp := ExpectedExpiryTime(opts.ModTime, 10); exp != event.Due {
		t.Fatalf("Expected due %v but got %v, ruleID=%v", exp, event.Due, event.RuleID)
	}

	// DelMarkerExpiration

        0xf4335f23, 0x063f52dd, 0x5a26b1e2, 0xa82abc1c, 0xbbd2dcef, 0x49ded111,
        0x9c221d09, 0x6e2e10f7, 0x7dd67004, 0x8fda7dfa,
      },
    };

    // Value x picked so computeForWord(x) == ~0, found by exhaustive search.
    static final int INVERSE_COMPUTE_FOR_WORD_OF_ALL_1S = 0xeee3ddcd;

    static int computeForWord(int word) {
      return strideTable[3][word & 0xFF]

    public static final int FILE_DELETE_ON_CLOSE = 0x1000;
    /**
     * Open file by its file ID
     */
    public static final int FILE_OPEN_BY_FILE_ID = 0x2000;
    /**
     * The file is being opened for backup intent
     */
    public static final int FILE_OPEN_FOR_BACKUP_INTENT = 0x4000;
    /**
     * Disable compression on the file
     */
    public static final int FILE_NO_COMPRESSION = 0x8000;
    /**

        Class<?> rawPropertyType = paramType.getRawType();

        if (valueType != null && rawPropertyType.isAssignableFrom(valueType)) {
            rawPropertyType = valueType; // pick more specific type
        }

        return convertProperty(beanType, rawPropertyType, paramType.getType(), configuration);
    }

    /**
     * Convert property using appropriate converter.
     */