2020-11-21 11:39:23 +08:00
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## Appendix D. Error Code
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2020-11-23 11:41:53 +08:00
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**ErrorCode**
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```protobuf
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enum ErrorCode {
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SUCCESS = 0;
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UNEXPECTED_ERROR = 1;
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CONNECT_FAILED = 2;
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PERMISSION_DENIED = 3;
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COLLECTION_NOT_EXISTS = 4;
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ILLEGAL_ARGUMENT = 5;
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ILLEGAL_DIMENSION = 7;
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ILLEGAL_INDEX_TYPE = 8;
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ILLEGAL_COLLECTION_NAME = 9;
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ILLEGAL_TOPK = 10;
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ILLEGAL_ROWRECORD = 11;
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ILLEGAL_VECTOR_ID = 12;
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ILLEGAL_SEARCH_RESULT = 13;
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FILE_NOT_FOUND = 14;
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META_FAILED = 15;
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CACHE_FAILED = 16;
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CANNOT_CREATE_FOLDER = 17;
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CANNOT_CREATE_FILE = 18;
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CANNOT_DELETE_FOLDER = 19;
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CANNOT_DELETE_FILE = 20;
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BUILD_INDEX_ERROR = 21;
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ILLEGAL_NLIST = 22;
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ILLEGAL_METRIC_TYPE = 23;
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OUT_OF_MEMORY = 24;
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// internal error code.
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DD_REQUEST_RACE = 1000;
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}
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```
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