sqlite

Documentation

Overview

Package sqlite provides optional SQLite persistence for webpprof captures.

Index

• type Storage
  • func Open(ctx context.Context, path string) (*Storage, error)
  • func (s *Storage) Clear(ctx context.Context, nextCursor uint64) error
  • func (s *Storage) Close() error
  • func (s *Storage) Delete(ctx context.Context, id string) error
  • func (s *Storage) Load(ctx context.Context) ([]webpprof.Entry, uint64, error)
  • func (*Storage) Name() string
  • func (s *Storage) Put(ctx context.Context, entry webpprof.Entry, nextCursor uint64) error

Types

type Storage

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

Storage persists a webpprof event window in a SQLite database.

func Open

func Open(ctx context.Context, path string) (*Storage, error)

Open initializes an owner-only SQLite database at path.

func (*Storage) Clear

func (s *Storage) Clear(ctx context.Context, nextCursor uint64) error

Clear removes all entries while preserving the monotonic cursor.

func (*Storage) Close

func (s *Storage) Close() error

Close releases the SQLite connection.

func (*Storage) Delete

func (s *Storage) Delete(ctx context.Context, id string) error

Delete removes one retained entry.

func (*Storage) Load

func (s *Storage) Load(ctx context.Context) ([]webpprof.Entry, uint64, error)

Load restores entries and the last assigned cursor.

func (*Storage) Name

func (*Storage) Name() string

Name identifies this backend in webpprof storage statistics.

func (*Storage) Put

func (s *Storage) Put(ctx context.Context, entry webpprof.Entry, nextCursor uint64) error

Put inserts or updates one entry and persists the monotonic cursor.