text: // Copyright (C) 2019-2020 Zilliz. All rights reserved.
  //
  // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
  // with the License. You may obtain a copy of the License at
  //
  // http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software distributed under the License
  // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
  // or implied. See the License for the specific language governing permissions and limitations under the License.
  
  #pragma once
  
  #include <cstdint>
  #include <exception>
  #include <string>
  
  namespace milvus {
  
  using ErrorCode = int32_t;
  
  constexpr ErrorCode SERVER_SUCCESS = 0;
  constexpr ErrorCode SERVER_ERROR_CODE_BASE = 30000;
  
  constexpr ErrorCode
  ToServerErrorCode(const ErrorCode error_code) {
      return SERVER_ERROR_CODE_BASE + error_code;
  }
  
  constexpr ErrorCode DB_SUCCESS = 0;
  constexpr ErrorCode DB_ERROR_CODE_BASE = 40000;
  
  constexpr ErrorCode
  ToDbErrorCode(const ErrorCode error_code) {
      return DB_ERROR_CODE_BASE + error_code;
  }
  
  constexpr ErrorCode KNOWHERE_SUCCESS = 0;
  constexpr ErrorCode KNOWHERE_ERROR_CODE_BASE = 50000;
  
  constexpr ErrorCode
  ToKnowhereErrorCode(const ErrorCode error_code) {
      return KNOWHERE_ERROR_CODE_BASE + error_code;
  }
  
  constexpr ErrorCode WAL_SUCCESS = 0;
  constexpr ErrorCode WAL_ERROR_CODE_BASE = 60000;
  
  constexpr ErrorCode
  ToWalErrorCode(const ErrorCode error_code) {
      return WAL_ERROR_CODE_BASE + error_code;
  }
  
  constexpr ErrorCode SS_SUCCESS = 0;
  constexpr ErrorCode SS_ERROR_CODE_BASE = 70000;
  
  constexpr ErrorCode
  ToSSErrorCode(const ErrorCode error_code) {
      return SS_ERROR_CODE_BASE + error_code;
  }
  
  // server error code
  constexpr ErrorCode SERVER_UNEXPECTED_ERROR = ToServerErrorCode(1);
  constexpr ErrorCode SERVER_UNSUPPORTED_ERROR = ToServerErrorCode(2);
  constexpr ErrorCode SERVER_NULL_POINTER = ToServerErrorCode(3);
  constexpr ErrorCode SERVER_INVALID_ARGUMENT = ToServerErrorCode(4);
  constexpr ErrorCode SERVER_FILE_NOT_FOUND = ToServerErrorCode(5);
  constexpr ErrorCode SERVER_NOT_IMPLEMENT = ToServerErrorCode(6);
  constexpr ErrorCode SERVER_CANNOT_CREATE_FOLDER = ToServerErrorCode(8);
  constexpr ErrorCode SERVER_CANNOT_CREATE_FILE = ToServerErrorCode(9);
  constexpr ErrorCode SERVER_CANNOT_DELETE_FOLDER = ToServerErrorCode(10);
  constexpr ErrorCode SERVER_CANNOT_DELETE_FILE = ToServerErrorCode(11);
  constexpr ErrorCode SERVER_BUILD_INDEX_ERROR = ToServerErrorCode(12);
  constexpr ErrorCode SERVER_CANNOT_OPEN_FILE = ToServerErrorCode(13);
  constexpr ErrorCode SERVER_FILE_MAGIC_BYTES_ERROR = ToServerErrorCode(14);
  constexpr ErrorCode SERVER_FILE_SUM_BYTES_ERROR = ToServerErrorCode(15);
  constexpr ErrorCode SERVER_CANNOT_READ_FILE = ToServerErrorCode(16);
  
  constexpr ErrorCode SERVER_COLLECTION_NOT_EXIST = ToServerErrorCode(100);
  constexpr ErrorCode SERVER_INVALID_COLLECTION_NAME = ToServerErrorCode(101);
  constexpr ErrorCode SERVER_INVALID_COLLECTION_DIMENSION = ToServerErrorCode(102);
  constexpr ErrorCode SERVER_INVALID_VECTOR_DIMENSION = ToServerErrorCode(104);
  constexpr ErrorCode SERVER_INVALID_INDEX_TYPE = ToServerErrorCode(105);
  constexpr ErrorCode SERVER_INVALID_ROWRECORD = ToServerErrorCode(106);
  constexpr ErrorCode SERVER_INVALID_ROWRECORD_ARRAY = ToServerErrorCode(107);
  constexpr ErrorCode SERVER_INVALID_TOPK = ToServerErrorCode(108);
  constexpr ErrorCode SERVER_ILLEGAL_VECTOR_ID = ToServerErrorCode(109);
  constexpr ErrorCode SERVER_ILLEGAL_SEARCH_RESULT = ToServerErrorCode(110);
  constexpr ErrorCode SERVER_CACHE_FULL = ToServerErrorCode(111);
  constexpr ErrorCode SERVER_WRITE_ERROR = ToServerErrorCode(112);
  constexpr ErrorCode SERVER_INVALID_NPROBE = ToServerErrorCode(113);
  constexpr ErrorCode SERVER_INVALID_INDEX_NLIST = ToServerErrorCode(114);
  constexpr ErrorCode SERVER_INVALID_INDEX_METRIC_TYPE = ToServerErrorCode(115);
  constexpr ErrorCode SERVER_INVALID_SEGMENT_ROW_COUNT = ToServerErrorCode(116);
  constexpr ErrorCode SERVER_OUT_OF_MEMORY = ToServerErrorCode(117);
  constexpr ErrorCode SERVER_INVALID_PARTITION_TAG = ToServerErrorCode(118);
  constexpr ErrorCode SERVER_INVALID_BINARY_QUERY = ToServerErrorCode(119);
  constexpr ErrorCode SERVER_INVALID_DSL_PARAMETER = ToServerErrorCode(120);
  constexpr ErrorCode SERVER_INVALID_FIELD_NAME = ToServerErrorCode(121);
  constexpr ErrorCode SERVER_INVALID_FIELD_NUM = ToServerErrorCode(122);
  
  // db error code
  constexpr ErrorCode DB_META_TRANSACTION_FAILED = ToDbErrorCode(1);
  constexpr ErrorCode DB_ERROR = ToDbErrorCode(2);
  constexpr ErrorCode DB_NOT_FOUND = ToDbErrorCode(3);
  constexpr ErrorCode DB_ALREADY_EXIST = ToDbErrorCode(4);
  constexpr ErrorCode DB_INVALID_PATH = ToDbErrorCode(5);
  constexpr ErrorCode DB_INCOMPATIB_META = ToDbErrorCode(6);
  constexpr ErrorCode DB_INVALID_META_URI = ToDbErrorCode(7);
  constexpr ErrorCode DB_EMPTY_COLLECTION = ToDbErrorCode(8);
  constexpr ErrorCode DB_BLOOM_FILTER_ERROR = ToDbErrorCode(9);
  constexpr ErrorCode DB_PARTITION_NOT_FOUND = ToDbErrorCode(10);
  constexpr ErrorCode DB_OUT_OF_STORAGE = ToDbErrorCode(11);
  constexpr ErrorCode DB_META_QUERY_FAILED = ToDbErrorCode(12);
  
  // knowhere error code
  constexpr ErrorCode KNOWHERE_ERROR = ToKnowhereErrorCode(1);
  constexpr ErrorCode KNOWHERE_INVALID_ARGUMENT = ToKnowhereErrorCode(2);
  constexpr ErrorCode KNOWHERE_UNEXPECTED_ERROR = ToKnowhereErrorCode(3);
  constexpr ErrorCode KNOWHERE_NO_SPACE = ToKnowhereErrorCode(4);
  
  // knowhere error code
  constexpr ErrorCode WAL_ERROR = ToWalErrorCode(1);
  constexpr ErrorCode WAL_META_ERROR = ToWalErrorCode(2);
  constexpr ErrorCode WAL_FILE_ERROR = ToWalErrorCode(3);
  constexpr ErrorCode WAL_PATH_ERROR = ToWalErrorCode(4);
  
  // Snapshot error code
  constexpr ErrorCode SS_ERROR = ToSSErrorCode(1);
  constexpr ErrorCode SS_STALE_ERROR = ToSSErrorCode(2);
  constexpr ErrorCode SS_NOT_FOUND_ERROR = ToSSErrorCode(3);
  constexpr ErrorCode SS_INVALID_CONTEX_ERROR = ToSSErrorCode(4);
  constexpr ErrorCode SS_DUPLICATED_ERROR = ToSSErrorCode(5);
  constexpr ErrorCode SS_NOT_ACTIVE_ERROR = ToSSErrorCode(6);
  constexpr ErrorCode SS_CONSTRAINT_CHECK_ERROR = ToSSErrorCode(7);
  constexpr ErrorCode SS_INVALID_ARGUMENT_ERROR = ToSSErrorCode(8);
  constexpr ErrorCode SS_OPERATION_PENDING = ToSSErrorCode(9);
  constexpr ErrorCode SS_TIMEOUT = ToSSErrorCode(10);
  constexpr ErrorCode SS_NOT_COMMITED = ToSSErrorCode(11);
  
  }  // namespace milvus
  