postgres

Documentation

Index

• type CreateIndexOptions
• type DB
  • func New(options Options) *DB
  • func (d *DB) Delete(ctx context.Context, ids []string) error
  • func (d *DB) Drop(ctx context.Context) error
  • func (d *DB) Insert(ctx context.Context, datas []index.Data) error
  • func (d *DB) IsEmpty(ctx context.Context) (bool, error)
  • func (d *DB) Search(ctx context.Context, values []float64, options *option.Options) (index.SearchResults, error)
• type Distance
• type Options

Types

type CreateIndexOptions

type CreateIndexOptions struct {
	Dimension uint64
	Distance  Distance
}

type DB

type DB struct {
	// contains filtered or unexported fields
}

func New

func New(options Options) *DB

func (*DB) Delete

func (d *DB) Delete(ctx context.Context, ids []string) error

func (*DB) Drop

func (d *DB) Drop(ctx context.Context) error

func (*DB) Insert

func (d *DB) Insert(ctx context.Context, datas []index.Data) error

func (*DB) IsEmpty

func (d *DB) IsEmpty(ctx context.Context) (bool, error)

func (*DB) Search

func (d *DB) Search(ctx context.Context, values []float64, options *option.Options) (index.SearchResults, error)

type Distance

type Distance string

const (
	DistanceCosine       Distance = "<=>"
	DistanceInnerProduct Distance = "<#>"
	DistanceEuclidean    Distance = "<->"
)

type Options

type Options struct {
	DB          *sql.DB
	Table       string
	CreateIndex *CreateIndexOptions
}