blob

Documentation

Index

• func Sha1Digest(r io.Reader) string
• type DownloadError
  • func (e DownloadError) Error() string
• type Driver
  • func New(crate_url string) (*Driver, error)
  • func (d *Driver) Close() error
  • func (d *Driver) GetTable(name string) (*Table, error)
  • func (d *Driver) NewTable(name string, shards ...int) (*Table, error)
• type Record
• type Table
  • func (t *Table) Delete(digest string) error
  • func (t *Table) Download(digest string) (io.ReadCloser, error)
  • func (t *Table) Drop() error
  • func (t *Table) Has(digest string) (bool, error)
  • func (t *Table) List() (*sql.Rows, error)
  • func (t *Table) Upload(digest string, r io.Reader) (*Record, error)
  • func (t *Table) UploadEx(r io.ReadSeeker) (*Record, error)

Functions

func Sha1Digest

func Sha1Digest(r io.Reader) string

Sha1Digest calculates the sha1 digest for the io.Reader

Types

type DownloadError

type DownloadError struct {
	Status     string
	StatusCode int
	Message    string
}

DownloadError represents an error that occurs when downloading a blob.

func (DownloadError) Error

func (e DownloadError) Error() string

Error returns a string representation of the DownloadError.

type Driver

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

func New

func New(crate_url string) (*Driver, error)

New creates a new connection with crate server

func (*Driver) Close

func (d *Driver) Close() error

Close the database connection

func (*Driver) GetTable

func (d *Driver) GetTable(name string) (*Table, error)

Get an existing table from the crate server or error when this table does not exist

func (*Driver) NewTable

func (d *Driver) NewTable(name string, shards ...int) (*Table, error)

NewTable create new blob table with name and extra int to specify shards(the second argument) and replicas(by the third int argument)

type Record

type Record struct {
	Digest       string
	LastModified time.Time
}

type Table

type Table struct {
	Name string
	// contains filtered or unexported fields
}

func (*Table) Delete

func (t *Table) Delete(digest string) error

Delete a blob in a blob table with the specific digest

func (*Table) Download

func (t *Table) Download(digest string) (io.ReadCloser, error)

Download a blob in a blob table with the specific digest

func (*Table) Drop

func (t *Table) Drop() error

Drop the blob table

func (*Table) Has

func (t *Table) Has(digest string) (bool, error)

Is the blob specified by the digest exist in the table

func (*Table) List

func (t *Table) List() (*sql.Rows, error)

List all blobs inside a blob table

func (*Table) Upload

func (t *Table) Upload(digest string, r io.Reader) (*Record, error)

Upload upload the blob(r) with sha1 hash(digest)

func (*Table) UploadEx

func (t *Table) UploadEx(r io.ReadSeeker) (*Record, error)

UploadEx upload a io.ReadSeeker, and computes the sha1 hash automatically