public boolean equals(IndexExpression that) {
    if (that == null) return false;

    boolean this_present_column_name = true && this.isSetColumn_name();
    boolean that_present_column_name = true && that.isSetColumn_name();
    if (this_present_column_name || that_present_column_name) {
      if (!(this_present_column_name && that_present_column_name)) return false;
      if (!this.column_name.equals(that.column_name)) return false;
    }

    boolean this_present_op = true && this.isSetOp();
    boolean that_present_op = true && that.isSetOp();
    if (this_present_op || that_present_op) {
      if (!(this_present_op && that_present_op)) return false;
      if (!this.op.equals(that.op)) return false;
    }

    boolean this_present_value = true && this.isSetValue();
    boolean that_present_value = true && that.isSetValue();
    if (this_present_value || that_present_value) {
      if (!(this_present_value && that_present_value)) return false;
      if (!this.value.equals(that.value)) return false;
    }

    return true;
  }
 /** Performs a deep copy on <i>other</i>. */
 public IndexExpression(IndexExpression other) {
   if (other.isSetColumn_name()) {
     this.column_name = org.apache.thrift.TBaseHelper.copyBinary(other.column_name);
     ;
   }
   if (other.isSetOp()) {
     this.op = other.op;
   }
   if (other.isSetValue()) {
     this.value = org.apache.thrift.TBaseHelper.copyBinary(other.value);
     ;
   }
 }
  @Override
  public int compareTo(IndexExpression other) {
    if (!getClass().equals(other.getClass())) {
      return getClass().getName().compareTo(other.getClass().getName());
    }

    int lastComparison = 0;

    lastComparison = Boolean.valueOf(isSetColumn_name()).compareTo(other.isSetColumn_name());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetColumn_name()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.column_name, other.column_name);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = Boolean.valueOf(isSetOp()).compareTo(other.isSetOp());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetOp()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.op, other.op);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = Boolean.valueOf(isSetValue()).compareTo(other.isSetValue());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetValue()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.value, other.value);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    return 0;
  }