milvus/internal/proto/common.proto

syntax = "proto3";

package milvus.proto.common;
option go_package="github.com/zilliztech/milvus-distributed/internal/proto/commonpb";

enum ErrorCode {
    ERROR_CODE_SUCCESS = 0;
    ERROR_CODE_UNEXPECTED_ERROR = 1;
    ERROR_CODE_CONNECT_FAILED = 2;
    ERROR_CODE_PERMISSION_DENIED = 3;
    ERROR_CODE_COLLECTION_NOT_EXISTS = 4;
    ERROR_CODE_ILLEGAL_ARGUMENT = 5;
    ERROR_CODE_ILLEGAL_DIMENSION = 7;
    ERROR_CODE_ILLEGAL_INDEX_TYPE = 8;
    ERROR_CODE_ILLEGAL_COLLECTION_NAME = 9;
    ERROR_CODE_ILLEGAL_TOPK = 10;
    ERROR_CODE_ILLEGAL_ROWRECORD = 11;
    ERROR_CODE_ILLEGAL_VECTOR_ID = 12;
    ERROR_CODE_ILLEGAL_SEARCH_RESULT = 13;
    ERROR_CODE_FILE_NOT_FOUND = 14;
    ERROR_CODE_META_FAILED = 15;
    ERROR_CODE_CACHE_FAILED = 16;
    ERROR_CODE_CANNOT_CREATE_FOLDER = 17;
    ERROR_CODE_CANNOT_CREATE_FILE = 18;
    ERROR_CODE_CANNOT_DELETE_FOLDER = 19;
    ERROR_CODE_CANNOT_DELETE_FILE = 20;
    ERROR_CODE_BUILD_INDEX_ERROR = 21;
    ERROR_CODE_ILLEGAL_NLIST = 22;
    ERROR_CODE_ILLEGAL_METRIC_TYPE = 23;
    ERROR_CODE_OUT_OF_MEMORY = 24;
    ERROR_CODE_INDEX_NOT_EXIST = 25;

    // internal error code.
    ERROR_CODE_DD_REQUEST_RACE = 1000;
}

enum IndexState {
    INDEX_STATE_NONE = 0;
    INDEX_STATE_UNISSUED = 1;
    INDEX_STATE_IN_PROGRESS = 2;
    INDEX_STATE_FINISHED = 3;
    INDEX_STATE_FAILED = 4;
    INDEX_STATE_DELETED = 5;
}

enum SegmentState {
    SegmentNone = 0;
    SegmentNotExist = 1;
    SegmentGrowing = 2;
    SegmentSealed = 3;
    SegmentFlushed = 4;
}

message Empty{}


message Status {
    ErrorCode error_code = 1;
    string reason = 2;
}


message KeyValuePair {
    string key = 1;
    string value = 2;
}


message Blob {
    bytes value = 1;
}


message Address {
  string ip = 1;
  int64 port = 2;
}

enum MsgType {
    None = 0;
    /* DEFINITION REQUESTS: COLLECTION */
    CreateCollection = 100;
    DropCollection = 101;
    HasCollection = 102;
    DescribeCollection = 103;
    ShowCollections = 104;
    GetSystemConfigs = 105;
    LoadCollection = 106;
    ReleaseCollection = 107;

    /* DEFINITION REQUESTS: PARTITION */
    CreatePartition = 200;
    DropPartition = 201;
    HasPartition = 202;
    DescribePartition = 203;
    ShowPartitions = 204;
    LoadPartitions = 205;
    ReleasePartitions = 206;

    /* DEFINE REQUESTS: SEGMENT */
    ShowSegments = 250;
    DescribeSegment = 251;

    /* DEFINITION REQUESTS: INDEX */
    CreateIndex = 300;
    DescribeIndex = 301;
    DropIndex = 302;

    /* MANIPULATION REQUESTS */
    Insert = 400;
    Delete = 401;
    Flush = 402;

    /* QUERY */
    Search = 500;
    SearchResult = 501;
    GetIndexState = 502;
    GetCollectionStatistics = 503;
    GetPartitionStatistics = 504;

    /* DATA SERVICE */
    SegmentInfo = 600;

    /* SYSTEM CONTROL */
    TimeTick = 1200;
    QueryNodeStats = 1201; // GOOSE TODO: Remove kQueryNodeStats
    LoadIndex = 1202;
    RequestID = 1203;
    RequestTSO = 1204;
    AllocateSegment = 1205;
    SegmentStatistics = 1206;
    SegmentFlushDone = 1207;
}

message MsgBase {
    MsgType msg_type = 1;
    int64  msgID = 2;
    uint64 timestamp = 3;
    int64 sourceID = 4;
}


// Don't Modify This. @czs
message MsgHeader {
    common.MsgBase base = 1;
}