cloudsql

Oct 23, 2025

Changes in this version

+ type BaseIndex struct

+ type CosineDistance struct

+ func (CosineDistance) String() string

+ type Euclidean struct

+ func (Euclidean) String() string

+ type HNSWOptions struct

+ EfConstruction int

+ M int

+ func (h HNSWOptions) Options() string

+ type IVFFlatOptions struct

+ Lists int

+ func (i IVFFlatOptions) Options() string

+ type Index interface

+ Options func() string

+ type InnerProduct struct

+ func (InnerProduct) String() string

+ type SearchDocument struct

+ Content string

+ Distance float32

+ LangchainMetadata string

+ type VectorStore struct

+ func NewVectorStore(engine cloudsqlutil.PostgresEngine, embedder embeddings.Embedder, ...) (VectorStore, error)

+ func (*VectorStore) NewBaseIndex(indexName, indexType string, strategy distanceStrategy, ...) BaseIndex

+ func (vs *VectorStore) AddDocuments(ctx context.Context, docs []schema.Document, _ ...vectorstores.Option) ([]string, error)

+ func (vs *VectorStore) ApplyVectorIndex(ctx context.Context, index BaseIndex, name string, concurrently bool) error

+ func (vs *VectorStore) DropVectorIndex(ctx context.Context, indexName string) error

+ func (vs *VectorStore) IsValidIndex(ctx context.Context, indexName string) (bool, error)

+ func (vs *VectorStore) ReIndex(ctx context.Context) error

+ func (vs *VectorStore) ReIndexWithName(ctx context.Context, indexName string) error

+ func (vs *VectorStore) SimilaritySearch(ctx context.Context, query string, _ int, options ...vectorstores.Option) ([]schema.Document, error)

+ type VectorStoreOption func(vs *VectorStore)

+ func WithContentColumn(contentColumn string) VectorStoreOption

+ func WithDistanceStrategy(distanceStrategy distanceStrategy) VectorStoreOption

+ func WithEmbeddingColumn(embeddingColumn string) VectorStoreOption

+ func WithIDColumn(idColumn string) VectorStoreOption

+ func WithK(k int) VectorStoreOption

+ func WithMetadataColumns(metadataColumns []string) VectorStoreOption

+ func WithMetadataJSONColumn(metadataJSONColumn string) VectorStoreOption

+ func WithSchemaName(schemaName string) VectorStoreOption