@Override
  public <R, C> R accept(AstVisitor<R, C> visitor, C context) {
    return visitor.visitBinaryLiteral(this, context);
  }
Return the valued as a hex-formatted string with upper-case characters
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/relational/sql/ast/BinaryLiteral.java