ledisdb/ledis/const.go

68 lines
1.2 KiB
Go

package ledis
import (
"errors"
)
const (
kvType byte = iota + 1
hashType
hSizeType
listType
lMetaType
zsetType
zSizeType
zScoreType
kvExpType
kvExpMetaType
lExpType
lExpMetaType
hExpType
hExpMetaType
zExpType
zExpMetaType
)
const (
defaultScanCount int = 10
)
var (
errKeySize = errors.New("invalid key size")
errValueSize = errors.New("invalid value size")
errHashFieldSize = errors.New("invalid hash field size")
errZSetMemberSize = errors.New("invalid zset member size")
errExpireValue = errors.New("invalid expire value")
)
const (
//we don't support too many databases
MaxDBNumber uint8 = 16
//max key size
MaxKeySize int = 1024
//max hash field size
MaxHashFieldSize int = 1024
//max zset member size
MaxZSetMemberSize int = 1024
//max value size
MaxValueSize int = 10 * 1024 * 1024
)
var (
ErrKeySize = errors.New("invalid key size")
ErrHashFieldSize = errors.New("invalid hash field size")
ErrZSetMemberSize = errors.New("invalid zset member size")
ErrScoreMiss = errors.New("zset score miss")
)
const (
BinLogTypeDeletion uint8 = 0x0
BinLogTypePut uint8 = 0x1
BinLogTypeCommand uint8 = 0x2
)