ledisdb/ledis/const.go

99 lines
1.9 KiB
Go

package ledis
import (
"errors"
)
const (
NoneType byte = 0
KVType byte = 1
HashType byte = 2
HSizeType byte = 3
ListType byte = 4
LMetaType byte = 5
ZSetType byte = 6
ZSizeType byte = 7
ZScoreType byte = 8
BitType byte = 9
BitMetaType byte = 10
SetType byte = 11
SSizeType byte = 12
maxDataType byte = 100
ExpTimeType byte = 101
ExpMetaType byte = 102
MetaType byte = 201
)
var (
TypeName = map[byte]string{
KVType: "kv",
HashType: "hash",
HSizeType: "hsize",
ListType: "list",
LMetaType: "lmeta",
ZSetType: "zset",
ZSizeType: "zsize",
ZScoreType: "zscore",
BitType: "bit",
BitMetaType: "bitmeta",
SetType: "set",
SSizeType: "ssize",
ExpTimeType: "exptime",
ExpMetaType: "expmeta",
}
)
const (
RDWRMode = 0
ROnlyMode = 1
)
const (
defaultScanCount int = 10
)
var (
errKeySize = errors.New("invalid key size")
errValueSize = errors.New("invalid value size")
errHashFieldSize = errors.New("invalid hash field size")
errSetMemberSize = errors.New("invalid set member 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 set member size
MaxSetMemberSize int = 1024
//max value size
MaxValueSize int = 10 * 1024 * 1024
)
var (
ErrScoreMiss = errors.New("zset score miss")
ErrWriteInROnly = errors.New("write not support in readonly mode")
ErrRplInRDWR = errors.New("replication not support in read write mode")
ErrRplNotSupport = errors.New("replication not support")
)
const (
DBAutoCommit uint8 = 0x0
DBInTransaction uint8 = 0x1
DBInMulti uint8 = 0x2
)