csv

Documentation

Index

• type Format
• type Iterator
  • func NewColumnIterator(format Format, reader io.Reader) *Iterator
  • func NewColumnIteratorWithTimestampFormat(format Format, reader io.Reader, timestampFormat string) *Iterator
  • func NewIterator(reader io.Reader, unmarshaller RecordUnmarshaller) *Iterator
  • func NewValueIterator(format Format, reader io.Reader) *Iterator
  • func (c *Iterator) NextRecord() (pilosa.Record, error)
• type RecordUnmarshaller
  • func ColumnUnmarshaller(format Format) RecordUnmarshaller
  • func ColumnUnmarshallerWithTimestamp(format Format, timestampFormat string) RecordUnmarshaller
  • func FieldValueUnmarshaller(format Format) RecordUnmarshaller

Types

type Format

type Format uint

Format is the format of the data in the CSV file.

const (
	// RowIDColumnID formatted data is ROW_ID,COLUMN_ID.
	RowIDColumnID Format = iota
	// RowIDColumnKey formatted data is ROW_ID,COLUMN_KEY.
	RowIDColumnKey
	// RowKeyColumnID formatted data is ROW_KEY,COLUMN_ID.
	RowKeyColumnID
	// RowKeyColumnKey formatted data is ROW_KEY,COLUMN_ID.
	RowKeyColumnKey
	// ColumnID formatted data is COLUMN_ID. Valid only for value import.
	ColumnID
	// ColumnKey formatted data is COLUMN_KEY. Valud only for value import.
	ColumnKey
)

type Iterator

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

Iterator reads records from a Reader. Each line should contain a single record in the following form: field1,field2,...

func NewColumnIterator

func NewColumnIterator(format Format, reader io.Reader) *Iterator

NewColumnIterator creates a new iterator for column data.

func NewColumnIteratorWithTimestampFormat

func NewColumnIteratorWithTimestampFormat(format Format, reader io.Reader, timestampFormat string) *Iterator

NewColumnIteratorWithTimestampFormat creates a new iterator for column data with timestamp.

func NewIterator

func NewIterator(reader io.Reader, unmarshaller RecordUnmarshaller) *Iterator

NewIterator creates a CSVIterator from a Reader.

func NewValueIterator

func NewValueIterator(format Format, reader io.Reader) *Iterator

NewValueIterator creates a new iterator for value data.

func (*Iterator) NextRecord

func (c *Iterator) NextRecord() (pilosa.Record, error)

NextRecord iterates on lines of a Reader. Returns io.EOF on end of iteration.

type RecordUnmarshaller

type RecordUnmarshaller func(text string) (pilosa.Record, error)

RecordUnmarshaller is a function which creates a Record from a CSV file line with column data.

func ColumnUnmarshaller

func ColumnUnmarshaller(format Format) RecordUnmarshaller

ColumnUnmarshaller creates a RecordUnmarshaller for importing columns with the given format.

func ColumnUnmarshallerWithTimestamp

func ColumnUnmarshallerWithTimestamp(format Format, timestampFormat string) RecordUnmarshaller

ColumnUnmarshallerWithTimestamp creates a RecordUnmarshaller for importing columns with the given format and timestamp format.

func FieldValueUnmarshaller

func FieldValueUnmarshaller(format Format) RecordUnmarshaller

FieldValueUnmarshaller is a function which creates a Record from a CSV file line with value data.