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;
  }
 @Override
 public void read(org.apache.thrift.protocol.TProtocol prot, IndexExpression struct)
     throws org.apache.thrift.TException {
   TTupleProtocol iprot = (TTupleProtocol) prot;
   struct.column_name = iprot.readBinary();
   struct.setColumn_nameIsSet(true);
   struct.op = IndexOperator.findByValue(iprot.readI32());
   struct.setOpIsSet(true);
   struct.value = iprot.readBinary();
   struct.setValueIsSet(true);
 }
    public void read(org.apache.thrift.protocol.TProtocol iprot, IndexExpression struct)
        throws org.apache.thrift.TException {
      org.apache.thrift.protocol.TField schemeField;
      iprot.readStructBegin();
      while (true) {
        schemeField = iprot.readFieldBegin();
        if (schemeField.type == org.apache.thrift.protocol.TType.STOP) {
          break;
        }
        switch (schemeField.id) {
          case 1: // COLUMN_NAME
            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
              struct.column_name = iprot.readBinary();
              struct.setColumn_nameIsSet(true);
            } else {
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 2: // OP
            if (schemeField.type == org.apache.thrift.protocol.TType.I32) {
              struct.op = IndexOperator.findByValue(iprot.readI32());
              struct.setOpIsSet(true);
            } else {
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 3: // VALUE
            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
              struct.value = iprot.readBinary();
              struct.setValueIsSet(true);
            } else {
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          default:
            org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
        }
        iprot.readFieldEnd();
      }
      iprot.readStructEnd();

      // check for required fields of primitive type, which can't be checked in the validate method
      struct.validate();
    }
    public void write(org.apache.thrift.protocol.TProtocol oprot, IndexExpression struct)
        throws org.apache.thrift.TException {
      struct.validate();

      oprot.writeStructBegin(STRUCT_DESC);
      if (struct.column_name != null) {
        oprot.writeFieldBegin(COLUMN_NAME_FIELD_DESC);
        oprot.writeBinary(struct.column_name);
        oprot.writeFieldEnd();
      }
      if (struct.op != null) {
        oprot.writeFieldBegin(OP_FIELD_DESC);
        oprot.writeI32(struct.op.getValue());
        oprot.writeFieldEnd();
      }
      if (struct.value != null) {
        oprot.writeFieldBegin(VALUE_FIELD_DESC);
        oprot.writeBinary(struct.value);
        oprot.writeFieldEnd();
      }
      oprot.writeFieldStop();
      oprot.writeStructEnd();
    }