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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UnexpectedError = 1;
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ConnectFailed = 2;
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PermissionDenied = 3;
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CollectionNotExists = 4;
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IllegalArgument = 5;
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IllegalDimension = 7;
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IllegalIndexType = 8;
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IllegalCollectionName = 9;
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IllegalTOPK = 10;
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IllegalRowRecord = 11;
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IllegalVectorID = 12;
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IllegalSearchResult = 13;
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FileNotFound = 14;
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MetaFailed = 15;
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CacheFailed = 16;
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CannotCreateFolder = 17;
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CannotCreateFile = 18;
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CannotDeleteFolder = 19;
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CannotDeleteFile = 20;
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BuildIndexError = 21;
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IllegalNLIST = 22;
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IllegalMetricType = 23;
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OutOfMemory = 24;
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IndexNotExist = 25;
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EmptyCollection = 26;
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2020-11-23 11:41:53 +08:00
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2021-09-17 21:59:53 +08:00
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// internal error code.
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DDRequestRace = 1000;
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2020-11-23 11:41:53 +08:00
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}
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```
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