Version: v0.0.0-...-f3846c7 Latest Latest

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Published: May 5, 2020 License: Apache-2.0 Imports: 10 Imported by: 0




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func NewS3FileReader

func NewS3FileReader(ctx context.Context, bucket string, key string, cfgs ...*aws.Config) (source.ParquetFile, error)

NewS3FileReader creates an S3 FileReader, to be used with NewParquetReader

func NewS3FileWriter

func NewS3FileWriter(
	ctx context.Context,
	bucket string,
	key string,
	uploaderOptions []func(*s3manager.Uploader),
	cfgs ...*aws.Config,
) (source.ParquetFile, error)

NewS3FileWriter creates an S3 FileWriter, to be used with NewParquetWriter

func SetActiveSession

func SetActiveSession(sess *session.Session)

SetActiveSession sets the current session. If this is unset, the functions of this package will implicitly create a new session.Session and use that. This allows you to control what session is used, particularly useful for testing with a system like localstack.


type S3File

type S3File struct {
	BucketName string
	Key        string
	// contains filtered or unexported fields

S3File is ParquetFile for AWS S3

func (*S3File) Close

func (s *S3File) Close() error

Close signals write completion and cleans up any open streams. Will block until pending uploads are complete.

func (*S3File) Create

func (s *S3File) Create(key string) (source.ParquetFile, error)

Create creates a new S3 File instance to perform writes

func (*S3File) Open

func (s *S3File) Open(name string) (source.ParquetFile, error)

Open creates a new S3 File instance to perform concurrent reads

func (*S3File) Read

func (s *S3File) Read(p []byte) (n int, err error)

Read up to len(p) bytes into p and return the number of bytes read

func (*S3File) Seek

func (s *S3File) Seek(offset int64, whence int) (int64, error)

Seek tracks the offset for the next Read. Has no effect on Write.

func (*S3File) Write

func (s *S3File) Write(p []byte) (n int, err error)

Write len(p) bytes from p to the S3 data stream

Source Files


Path Synopsis
Package mocks is a generated GoMock package.
Package mocks is a generated GoMock package.

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