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Add qdrant read vector store implementation
PR #33 can't really be merged until we open-source and package up vectorapi, so this commit adds a qdrant implementation and modifies the provisioning file to use it (and OpenAI) by default, rather than vectorapi.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package store | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/grafana/grafana-plugin-sdk-go/backend/log" | ||
| qdrant "github.com/qdrant/go-client/qdrant" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/credentials/insecure" | ||
| ) | ||
|
|
||
| type qdrantSettings struct { | ||
| Address string | ||
| } | ||
|
|
||
| type qdrantStore struct { | ||
| conn *grpc.ClientConn | ||
| collectionsClient qdrant.CollectionsClient | ||
| pointsClient qdrant.PointsClient | ||
| } | ||
|
|
||
| func newQdrantStore(s qdrantSettings) (ReadVectorStore, func(), error) { | ||
| conn, err := grpc.DialContext(context.Background(), s.Address, grpc.WithTransportCredentials(insecure.NewCredentials())) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
| cancel := func() { | ||
| defer func() { | ||
| if err := conn.Close(); err != nil { | ||
| log.DefaultLogger.Warn("failed to close connection", "err", err) | ||
| } | ||
| }() | ||
| } | ||
| return &qdrantStore{ | ||
| conn: conn, | ||
| collectionsClient: qdrant.NewCollectionsClient(conn), | ||
| pointsClient: qdrant.NewPointsClient(conn), | ||
| }, cancel, nil | ||
| } | ||
|
|
||
| func (q *qdrantStore) Collections(ctx context.Context) ([]string, error) { | ||
| collections, err := q.collectionsClient.List(ctx, &qdrant.ListCollectionsRequest{}) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| names := make([]string, 0, len(collections.Collections)) | ||
| for _, c := range collections.Collections { | ||
| names = append(names, c.Name) | ||
| } | ||
| return names, nil | ||
| } | ||
|
|
||
| func (q *qdrantStore) Search(ctx context.Context, collection string, vector []float32, limit uint64) ([]SearchResult, error) { | ||
| result, err := q.pointsClient.Search(ctx, &qdrant.SearchPoints{ | ||
| CollectionName: collection, | ||
| Vector: vector, | ||
| Limit: limit, | ||
| // Include all payloads in the search result | ||
| WithVectors: &qdrant.WithVectorsSelector{SelectorOptions: &qdrant.WithVectorsSelector_Enable{Enable: false}}, | ||
| WithPayload: &qdrant.WithPayloadSelector{SelectorOptions: &qdrant.WithPayloadSelector_Enable{Enable: true}}, | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| results := make([]SearchResult, 0, len(result.GetResult())) | ||
| for _, v := range result.GetResult() { | ||
| payload := make(map[string]any, len(v.Payload)) | ||
| for k, v := range v.Payload { | ||
| payload[k] = v | ||
| } | ||
| // TODO: handle non-strings, in case they get there | ||
| results = append(results, SearchResult{ | ||
| Score: float64(v.Score), | ||
| Payload: payload, | ||
| }) | ||
| } | ||
| return results, nil | ||
| } |
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