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19 lines
1.2 KiB
C#
19 lines
1.2 KiB
C#
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namespace AIStudio.Tools.Databases.IndexStore;
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/// <summary>
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/// What the index knows about a data source as a whole, without its files.
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/// </summary>
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/// <remarks>
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/// The manifest answers the same question, but reads every file and every stored failure of the
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/// data source to do so. That is the right thing before a run, and far too much for a question
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/// asked about several data sources every time somebody opens the data source selection.
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///
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/// SourceHash is the telling one: it is written once a run has worked through the whole data
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/// source, and resetting the index deletes the row it lives in. So an empty hash means no run has
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/// finished since the index was last discarded.
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/// </remarks>
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/// <param name="EmbeddingProviderId">The embedding provider the stored vectors were created with.</param>
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/// <param name="EmbeddingSignature">Identifies the embedding configuration the stored vectors belong to.</param>
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/// <param name="SourceHash">The hash of the data source as a whole, written when a run completes.</param>
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/// <param name="VectorSize">The dimension of the stored vectors.</param>
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public sealed record DataSourceIndexState(string EmbeddingProviderId, string EmbeddingSignature, string SourceHash, int VectorSize);
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