public boolean equals(FieldSchema that) {
    if (that == null)
      return false;
    if (this == that)
      return true;

    boolean this_present_name = true && this.isSetName();
    boolean that_present_name = true && that.isSetName();
    if (this_present_name || that_present_name) {
      if (!(this_present_name && that_present_name))
        return false;
      if (!this.name.equals(that.name))
        return false;
    }

    boolean this_present_type = true && this.isSetType();
    boolean that_present_type = true && that.isSetType();
    if (this_present_type || that_present_type) {
      if (!(this_present_type && that_present_type))
        return false;
      if (!this.type.equals(that.type))
        return false;
    }

    boolean this_present_comment = true && this.isSetComment();
    boolean that_present_comment = true && that.isSetComment();
    if (this_present_comment || that_present_comment) {
      if (!(this_present_comment && that_present_comment))
        return false;
      if (!this.comment.equals(that.comment))
        return false;
    }

    return true;
  }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
standalone-metastore/metastore-common/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/metastore/api/FieldSchema.java