99 lines
1.7 KiB
Go
99 lines
1.7 KiB
Go
|
package nodb
|
||
|
|
|
||
|
|
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
|
||
|
|
)
|
||
|
|
|
||
|
|
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 (
|
||
|
|
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")
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
BinLogTypeDeletion uint8 = 0x0
|
||
|
|
BinLogTypePut uint8 = 0x1
|
||
|
|
BinLogTypeCommand uint8 = 0x2
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
DBAutoCommit uint8 = 0x0
|
||
|
|
DBInTransaction uint8 = 0x1
|
||
|
|
DBInMulti uint8 = 0x2
|
||
|
|
)
|
||
|
|
|
||
|
|
var (
|
||
|
|
Version = "0.1"
|
||
|
|
)
|