@Override
  protected Pair<Expression, Boolean> visitLikePredicate(LikePredicate node, Context context) {
    return new Pair<>(null, true);
  }
Extract global time predicate from query predicate.

@param predicate raw query predicate
@return Pair, left is globalTimePredicate, right is if hasValueFilter.
@throws UnknownExpressionTypeException unknown expression type
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/relational/planner/ir/GlobalTimePredicateExtractVisitor.java