util

Documentation

Index

• func DecodeHandleFromRowKey(rk string) (int64, error)
• func DelKeyWithPrefix(ctx context.Context, prefix string) error
• func EncodeRecordKey(tablePrefix string, h int64, columnID int64) []byte
• func RowKeyPrefixFilter(rowKeyPrefix []byte) kv.FnKeyCmp
• func ScanMetaWithPrefix(txn kv.Transaction, prefix string, filter func([]byte, []byte) bool) error

Functions

func DecodeHandleFromRowKey

func DecodeHandleFromRowKey(rk string) (int64, error)

DecodeHandleFromRowKey decodes the string form a row key and returns an int64.

func DelKeyWithPrefix

func DelKeyWithPrefix(ctx context.Context, prefix string) error

DelKeyWithPrefix deletes keys with prefix.

func EncodeRecordKey

func EncodeRecordKey(tablePrefix string, h int64, columnID int64) []byte

EncodeRecordKey encodes the string value to a byte slice.

func RowKeyPrefixFilter

func RowKeyPrefixFilter(rowKeyPrefix []byte) kv.FnKeyCmp

RowKeyPrefixFilter returns a function which checks whether currentKey has decoded rowKeyPrefix as prefix.

func ScanMetaWithPrefix

func ScanMetaWithPrefix(txn kv.Transaction, prefix string, filter func([]byte, []byte) bool) error

ScanMetaWithPrefix scans metadata with the prefix.