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expression.proto
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syntax = "proto2";
package tipb;
option java_multiple_files = true;
option java_package = "com.pingcap.tidb.tipb";
import "gogoproto/gogo.proto";
import "rustproto.proto";
option (gogoproto.marshaler_all) = true;
option (gogoproto.sizer_all) = true;
option (gogoproto.unmarshaler_all) = true;
option (gogoproto.goproto_unkeyed_all) = false;
option (gogoproto.goproto_unrecognized_all) = false;
option (gogoproto.goproto_sizecache_all) = false;
option (rustproto.lite_runtime_all) = true;
message FieldType {
optional int32 tp = 1 [(gogoproto.nullable) = false];
optional uint32 flag = 2 [(gogoproto.nullable) = false];
optional int32 flen = 3 [(gogoproto.nullable) = false];
optional int32 decimal = 4 [(gogoproto.nullable) = false];
optional int32 collate = 5 [(gogoproto.nullable) = false];
optional string charset = 6 [(gogoproto.nullable) = false];
repeated string elems = 7 [(gogoproto.nullable) = false];
optional bool array = 8 [(gogoproto.nullable) = false];
}
enum ExprType {
/* Children count 0. */
// Values are encoded bytes.
Null = 0;
Int64 = 1;
Uint64 = 2;
Float32 = 3;
Float64 = 4;
String = 5;
Bytes = 6;
// Mysql specific types.
MysqlBit = 101;
MysqlDecimal = 102;
MysqlDuration = 103;
MysqlEnum = 104;
MysqlHex = 105;
MysqlSet = 106;
MysqlTime = 107;
MysqlJson = 108;
TiDBVectorFloat32 = 121;
// Encoded value list.
ValueList = 151;
// Column reference. value is int64 column ID.
ColumnRef = 201;
/* Mysql functions, children count is function specific. */
// Aggregate functions.
Count = 3001;
Sum = 3002;
Avg = 3003;
Min = 3004;
Max = 3005;
First = 3006;
GroupConcat = 3007;
Agg_BitAnd = 3008;
Agg_BitOr = 3009;
Agg_BitXor = 3010;
Std = 3011;
Stddev = 3012;
StddevPop = 3013;
StddevSamp = 3014;
VarPop = 3015;
VarSamp = 3016;
Variance = 3017;
JsonArrayAgg = 3018;
JsonObjectAgg = 3019;
ApproxCountDistinct = 3020;
// Window functions
RowNumber = 4001;
Rank = 4002;
DenseRank = 4003;
CumeDist = 4004;
PercentRank = 4005;
Ntile = 4006;
Lead = 4007;
Lag = 4008;
FirstValue = 4009;
LastValue = 4010;
NthValue = 4011;
/* Scalar Function */
ScalarFunc = 10000;
}
enum ScalarFuncSig {
Unspecified = 0;
/* Casting */
CastIntAsInt = 1;
CastIntAsReal = 2;
CastIntAsString = 3;
CastIntAsDecimal = 4;
CastIntAsTime = 5;
CastIntAsDuration = 6;
CastIntAsJson = 7;
CastRealAsInt = 10;
CastRealAsReal = 11;
CastRealAsString = 12;
CastRealAsDecimal = 13;
CastRealAsTime = 14;
CastRealAsDuration = 15;
CastRealAsJson = 16;
CastDecimalAsInt = 20;
CastDecimalAsReal = 21;
CastDecimalAsString = 22;
CastDecimalAsDecimal = 23;
CastDecimalAsTime = 24;
CastDecimalAsDuration = 25;
CastDecimalAsJson = 26;
CastStringAsInt = 30;
CastStringAsReal = 31;
CastStringAsString = 32;
CastStringAsDecimal = 33;
CastStringAsTime = 34;
CastStringAsDuration = 35;
CastStringAsJson = 36;
CastTimeAsInt = 40;
CastTimeAsReal = 41;
CastTimeAsString = 42;
CastTimeAsDecimal = 43;
CastTimeAsTime = 44;
CastTimeAsDuration = 45;
CastTimeAsJson = 46;
CastDurationAsInt = 50;
CastDurationAsReal = 51;
CastDurationAsString = 52;
CastDurationAsDecimal = 53;
CastDurationAsTime = 54;
CastDurationAsDuration = 55;
CastDurationAsJson = 56;
CastJsonAsInt = 60;
CastJsonAsReal = 61;
CastJsonAsString = 62;
CastJsonAsDecimal = 63;
CastJsonAsTime = 64;
CastJsonAsDuration = 65;
CastJsonAsJson = 66;
/*compare*/
CoalesceInt = 4201;
CoalesceReal = 4202;
CoalesceDecimal = 4203;
CoalesceString = 4204;
CoalesceTime = 4205;
CoalesceDuration = 4206;
// unimplemented in tidb
CoalesceJson = 4207;
LTInt = 100;
LTReal = 101;
LTDecimal = 102;
LTString = 103;
LTTime = 104;
LTDuration = 105;
LTJson = 106;
LEInt = 110;
LEReal = 111;
LEDecimal = 112;
LEString = 113;
LETime = 114;
LEDuration = 115;
LEJson = 116;
GTInt = 120;
GTReal = 121;
GTDecimal = 122;
GTString = 123;
GTTime = 124;
GTDuration = 125;
GTJson = 126;
GreatestInt = 4215;
GreatestReal = 4216;
GreatestDecimal = 4217;
GreatestString = 4218;
GreatestTime = 4219;
LeastInt = 4220;
LeastReal = 4221;
LeastDecimal = 4222;
LeastString = 4223;
LeastTime = 4224;
IntervalInt = 4225;
IntervalReal = 4226;
GEInt = 130;
GEReal = 131;
GEDecimal = 132;
GEString = 133;
GETime = 134;
GEDuration = 135;
GEJson = 136;
EQInt = 140;
EQReal = 141;
EQDecimal = 142;
EQString = 143;
EQTime = 144;
EQDuration = 145;
EQJson = 146;
NEInt = 150;
NEReal = 151;
NEDecimal = 152;
NEString = 153;
NETime = 154;
NEDuration = 155;
NEJson = 156;
NullEQInt = 160;
NullEQReal = 161;
NullEQDecimal = 162;
NullEQString = 163;
NullEQTime = 164;
NullEQDuration = 165;
NullEQJson = 166;
/*arithmetic*/
PlusReal = 200;
PlusDecimal = 201;
PlusInt = 203;
MinusReal = 204;
MinusDecimal = 205;
MinusInt = 207;
MultiplyReal = 208;
MultiplyDecimal = 209;
MultiplyInt = 210;
DivideReal = 211;
DivideDecimal = 212;
IntDivideInt = 213;
IntDivideDecimal = 214;
ModReal = 215;
ModDecimal = 216;
ModInt = 217;
MultiplyIntUnsigned = 218;
PlusIntUnsignedUnsigned = 219;
PlusIntUnsignedSigned = 220;
PlusIntSignedUnsigned = 221;
PlusIntSignedSigned = 222;
ModIntUnsignedUnsigned = 223;
ModIntUnsignedSigned = 224;
ModIntSignedUnsigned = 225;
ModIntSignedSigned = 226;
MinusIntUnsignedUnsigned = 227;
MinusIntUnsignedSigned = 228;
MinusIntSignedUnsigned = 229;
MinusIntSignedSigned = 230;
MinusIntForcedUnsignedUnsigned = 231;
MinusIntForcedUnsignedSigned = 232;
MinusIntForcedSignedUnsigned = 233;
IntDivideIntUnsignedUnsigned = 234;
IntDivideIntUnsignedSigned = 235;
IntDivideIntSignedSigned = 236;
IntDivideIntSignedUnsigned = 237;
/*math*/
AbsInt = 2101;
AbsUInt = 2102;
AbsReal = 2103;
AbsDecimal = 2104;
CeilIntToDec = 2105;
CeilIntToInt = 2106;
CeilDecToInt = 2107;
CeilDecToDec = 2108;
CeilReal = 2109;
FloorIntToDec = 2110;
FloorIntToInt = 2111;
FloorDecToInt = 2112;
FloorDecToDec = 2113;
FloorReal = 2114;
RoundReal = 2121;
RoundInt = 2122;
RoundDec = 2123;
RoundWithFracReal = 2124;
RoundWithFracInt = 2125;
RoundWithFracDec = 2126;
Log1Arg = 2131;
Log2Args = 2132;
Log2 = 2133;
Log10 = 2134;
Rand = 2135;
RandWithSeedFirstGen = 2136;
Pow = 2137;
Conv = 2138;
CRC32 = 2139;
Sign = 2140;
Sqrt = 2141;
Acos = 2142;
Asin = 2143;
Atan1Arg = 2144;
Atan2Args = 2145;
Cos = 2146;
Cot = 2147;
Degrees = 2148;
Exp = 2149;
PI = 2150;
Radians = 2151;
Sin = 2152;
Tan = 2153;
TruncateInt = 2154;
TruncateReal = 2155;
TruncateDecimal = 2156;
TruncateUint = 2157;
/*op*/
LogicalAnd = 3101;
LogicalOr = 3102;
LogicalXor = 3103;
UnaryNotInt = 3104;
UnaryNotDecimal = 3105;
UnaryNotReal = 3106;
UnaryNotJSON = 3107;
UnaryMinusInt = 3108;
UnaryMinusReal = 3109;
UnaryMinusDecimal = 3110;
DecimalIsNull = 3111;
DurationIsNull = 3112;
RealIsNull = 3113;
StringIsNull = 3114;
TimeIsNull = 3115;
IntIsNull = 3116;
// unimplemented in tidb
JsonIsNull = 3117;
BitAndSig = 3118;
BitOrSig = 3119;
BitXorSig = 3120;
BitNegSig = 3121;
IntIsTrue = 3122;
RealIsTrue = 3123;
DecimalIsTrue = 3124;
IntIsFalse = 3125;
RealIsFalse = 3126;
DecimalIsFalse = 3127;
LeftShift = 3129;
RightShift = 3130;
IntIsTrueWithNull = 3142;
RealIsTrueWithNull = 3143;
DecimalIsTrueWithNull = 3144;
IntIsFalseWithNull = 3145;
RealIsFalseWithNull = 3146;
DecimalIsFalseWithNull = 3147;
/*other*/
BitCount = 3128;
GetParamString = 3131;
GetVar = 3132;
RowSig = 3133;
SetVar = 3134;
ValuesDecimal = 3135;
ValuesDuration = 3136;
ValuesInt = 3137;
ValuesJSON = 3138;
ValuesReal = 3139;
ValuesString = 3140;
ValuesTime = 3141;
InInt = 4001;
InReal = 4002;
InDecimal = 4003;
InString = 4004;
InTime = 4005;
InDuration = 4006;
InJson = 4007;
/*control*/
IfNullInt = 4101;
IfNullReal = 4102;
IfNullDecimal = 4103;
IfNullString = 4104;
IfNullTime = 4105;
IfNullDuration = 4106;
IfInt = 4107;
IfReal = 4108;
IfDecimal = 4109;
IfString = 4110;
IfTime = 4111;
IfDuration = 4112;
IfNullJson = 4113;
IfJson = 4114;
CaseWhenInt = 4208;
CaseWhenReal = 4209;
CaseWhenDecimal = 4210;
CaseWhenString = 4211;
CaseWhenTime = 4212;
CaseWhenDuration = 4213;
// unimplemented in tidb
CaseWhenJson = 4214;
/* encryption */
AesDecrypt = 4501;
AesEncrypt = 4502;
Compress = 4503;
MD5 = 4504;
Password = 4505;
RandomBytes = 4506;
SHA1 = 4507;
SHA2 = 4508;
Uncompress = 4509;
UncompressedLength = 4510;
AesDecryptIV = 4511;
AesEncryptIV = 4512;
Encode = 4513;
Decode = 4514;
SM3 = 4515;
/*info*/
Database = 4521;
FoundRows = 4522;
CurrentUser = 4523;
User = 4524;
ConnectionID = 4525;
LastInsertID = 4526;
LastInsertIDWithID = 4527;
Version = 4528;
TiDBVersion = 4529;
RowCount = 4530;
/*miscellaneous*/
Sleep = 4551;
Lock = 4552;
ReleaseLock = 4553;
DecimalAnyValue = 4554;
DurationAnyValue = 4555;
IntAnyValue = 4556;
JSONAnyValue = 4557;
RealAnyValue = 4558;
StringAnyValue = 4559;
TimeAnyValue = 4560;
InetAton = 4561;
InetNtoa = 4562;
Inet6Aton = 4563;
Inet6Ntoa = 4564;
IsIPv4 = 4565;
IsIPv4Compat = 4566;
IsIPv4Mapped = 4567;
IsIPv6 = 4568;
UUID = 4569;
VitessHash = 4570;
IsUUID = 4571;
TiDBShard = 4572;
GroupingSig = 4573;
/*like*/
IlikeSig = 4309;
LikeSig = 4310;
RegexpSig = 4311;
RegexpUTF8Sig = 4312;
RegexpLikeSig = 4313;
RegexpLikeUTF8Sig = 4314;
RegexpInStrSig = 4315;
RegexpInStrUTF8Sig = 4316;
RegexpReplaceSig = 4317;
RegexpReplaceUTF8Sig = 4318;
RegexpSubstrSig = 4319;
RegexpSubstrUTF8Sig = 4320;
/*json*/
JsonExtractSig = 5001;
JsonUnquoteSig = 5002;
JsonTypeSig = 5003;
JsonSetSig = 5004;
JsonInsertSig = 5005;
JsonReplaceSig = 5006;
JsonRemoveSig = 5007;
JsonMergeSig = 5008;
JsonObjectSig = 5009;
JsonArraySig = 5010;
JsonValidJsonSig = 5011;
JsonContainsSig = 5012;
JsonArrayAppendSig = 5013;
JsonArrayInsertSig = 5014;
JsonMergePatchSig = 5015;
JsonMergePreserveSig = 5016;
JsonContainsPathSig = 5017;
JsonPrettySig = 5018;
JsonQuoteSig = 5019;
JsonSearchSig = 5020;
JsonStorageSizeSig = 5021;
JsonDepthSig = 5022;
JsonKeysSig = 5023;
JsonLengthSig = 5024;
JsonKeys2ArgsSig = 5025;
JsonValidStringSig = 5026;
JsonValidOthersSig = 5027;
JsonStorageFreeSig = 5028;
JsonMemberOfSig = 5029;
/*vector*/
VecAsTextSig = 5110;
VecFromTextSig = 5111;
VecDimsSig = 5112;
VecL1DistanceSig = 5113;
VecL2DistanceSig = 5114;
VecNegativeInnerProductSig = 5115;
VecCosineDistanceSig = 5116;
VecL2NormSig = 5117;
CastStringAsVectorFloat32 = 5180;
CastVectorFloat32AsInt = 5181;
CastVectorFloat32AsReal = 5182;
CastVectorFloat32AsString = 5183;
CastVectorFloat32AsDecimal = 5184;
CastVectorFloat32AsTime = 5185;
CastVectorFloat32AsDuration = 5186;
CastVectorFloat32AsJson = 5187;
CastVectorFloat32AsVectorFloat32 = 5188;
PlusVectorFloat32 = 5141;
MinusVectorFloat32 = 5142;
MultiplyVectorFloat32 = 5143;
VectorFloat32AnyValue = 5144;
CoalesceVectorFloat32 = 5145;
LTVectorFloat32 = 5146;
LEVectorFloat32 = 5147;
GTVectorFloat32 = 5148;
GreatestVectorFloat32 = 5149;
LeastVectorFloat32 = 5150;
GEVectorFloat32 = 5151;
EQVectorFloat32 = 5152;
NEVectorFloat32 = 5153;
NullEQVectorFloat32 = 5154;
VectorFloat32IsNull = 5155;
VectorFloat32IsTrue = 5156;
VectorFloat32IsFalse = 5157;
VectorFloat32IsTrueWithNull = 5158;
VectorFloat32IsFalseWithNull = 5159;
IfNullVectorFloat32 = 5160;
IfVectorFloat32 = 5161;
CaseWhenVectorFloat32 = 5162;
/*time*/
DateFormatSig = 6001;
DateLiteral = 6002;
DateDiff = 6003;
NullTimeDiff = 6004;
TimeStringTimeDiff = 6005;
DurationStringTimeDiff = 6006;
DurationDurationTimeDiff = 6007;
StringTimeTimeDiff = 6008;
StringDurationTimeDiff = 6009;
StringStringTimeDiff = 6010;
TimeTimeTimeDiff = 6011;
Date = 6012;
Hour = 6013;
Minute = 6014;
Second = 6015;
MicroSecond = 6016;
Month = 6017;
MonthName = 6018;
NowWithArg = 6019;
NowWithoutArg = 6020;
DayName = 6021;
DayOfMonth = 6022;
DayOfWeek = 6023;
DayOfYear = 6024;
WeekWithMode = 6025;
WeekWithoutMode = 6026;
WeekDay = 6027;
WeekOfYear = 6028;
Year = 6029;
YearWeekWithMode = 6030;
YearWeekWithoutMode = 6031;
GetFormat = 6032;
SysDateWithFsp = 6033;
SysDateWithoutFsp = 6034;
CurrentDate = 6035;
CurrentTime0Arg = 6036;
CurrentTime1Arg = 6037;
Time = 6038;
TimeLiteral = 6039;
UTCDate = 6040;
UTCTimestampWithArg = 6041;
UTCTimestampWithoutArg = 6042;
AddDatetimeAndDuration = 6043;
AddDatetimeAndString = 6044;
AddTimeDateTimeNull = 6045;
AddStringAndDuration = 6046;
AddStringAndString = 6047;
AddTimeStringNull = 6048;
AddDurationAndDuration = 6049;
AddDurationAndString = 6050;
AddTimeDurationNull = 6051;
AddDateAndDuration = 6052;
AddDateAndString = 6053;
SubDatetimeAndDuration = 6054;
SubDatetimeAndString = 6055;
SubTimeDateTimeNull = 6056;
SubStringAndDuration = 6057;
SubStringAndString = 6058;
SubTimeStringNull = 6059;
SubDurationAndDuration = 6060;
SubDurationAndString = 6061;
SubTimeDurationNull = 6062;
SubDateAndDuration = 6063;
SubDateAndString = 6064;
UnixTimestampCurrent = 6065;
UnixTimestampInt = 6066;
UnixTimestampDec = 6067;
ConvertTz = 6068;
MakeDate = 6069;
MakeTime = 6070;
PeriodAdd = 6071;
PeriodDiff = 6072;
Quarter = 6073;
SecToTime = 6074;
TimeToSec = 6075;
TimestampAdd = 6076;
ToDays = 6077;
ToSeconds = 6078;
UTCTimeWithArg = 6079;
UTCTimeWithoutArg = 6080;
Timestamp1Arg = 6081;
Timestamp2Args = 6082;
TimestampLiteral = 6083;
LastDay = 6084;
StrToDateDate = 6085;
StrToDateDatetime = 6086;
StrToDateDuration = 6087;
FromUnixTime1Arg = 6088;
FromUnixTime2Arg = 6089;
ExtractDatetime = 6090;
ExtractDuration = 6091;
AddDateStringString = 6092;
AddDateStringInt = 6093;
AddDateStringDecimal = 6094;
AddDateIntString = 6095;
AddDateIntInt = 6096;
AddDateDatetimeString = 6097;
AddDateDatetimeInt = 6098;
SubDateStringString = 6099;
SubDateStringInt = 6100;
SubDateStringDecimal = 6101;
SubDateIntString = 6102;
SubDateIntInt = 6103;
SubDateDatetimeString = 6104;
SubDateDatetimeInt = 6105;
FromDays = 6106;
TimeFormat = 6107;
TimestampDiff = 6108;
SubDateStringReal = 6109;
SubDateIntReal = 6110;
SubDateIntDecimal = 6111;
SubDateDatetimeReal = 6112;
SubDateDatetimeDecimal = 6113;
SubDateDurationString = 6114;
SubDateDurationInt = 6115;
SubDateDurationReal = 6116;
SubDateDurationDecimal = 6117;
AddDateStringReal = 6118;
AddDateIntReal = 6119;
AddDateIntDecimal = 6120;
AddDateDatetimeReal = 6121;
AddDateDatetimeDecimal = 6122;
AddDateDurationString = 6123;
AddDateDurationInt = 6124;
AddDateDurationReal = 6125;
AddDateDurationDecimal = 6126;
ExtractDatetimeFromString = 6127;
AddDateRealString = 6128;
AddDateRealInt = 6129;
AddDateRealReal = 6130;
AddDateRealDecimal = 6131;
AddDateDecimalString = 6132;
AddDateDecimalInt = 6133;
AddDateDecimalReal = 6134;
AddDateDecimalDecimal = 6135;
SubDateRealString = 6136;
SubDateRealInt = 6137;
SubDateRealReal = 6138;
SubDateRealDecimal = 6139;
SubDateDecimalString = 6140;
SubDateDecimalInt = 6141;
SubDateDecimalReal = 6142;
SubDateDecimalDecimal = 6143;
AddDateDurationStringDatetime = 6144;
AddDateDurationIntDatetime = 6145;
AddDateDurationRealDatetime = 6146;
AddDateDurationDecimalDatetime = 6147;
SubDateDurationStringDatetime = 6148;
SubDateDurationIntDatetime = 6149;
SubDateDurationRealDatetime = 6150;
SubDateDurationDecimalDatetime = 6151;
/* String functions */
BitLength = 7001;
Bin = 7002;
ASCII = 7003;
Char = 7004;
CharLengthUTF8 = 7005;
Concat = 7006;
ConcatWS = 7007;
Convert = 7008;
Elt = 7009;
ExportSet3Arg = 7010;
ExportSet4Arg = 7011;
ExportSet5Arg = 7012;
FieldInt = 7013;
FieldReal = 7014;
FieldString = 7015;
FindInSet = 7016;
Format = 7017;
FormatWithLocale = 7018;
FromBase64 = 7019;
HexIntArg = 7020;
HexStrArg = 7021;
InsertUTF8 = 7022;
Insert = 7023;
InstrUTF8 = 7024;
Instr = 7025;
LTrim = 7026;
LeftUTF8 = 7027;
Left = 7028;
Length = 7029;
Locate2ArgsUTF8 = 7030;
Locate3ArgsUTF8 = 7031;
Locate2Args = 7032;
Locate3Args = 7033;
Lower = 7034;
LpadUTF8 = 7035;
Lpad = 7036;
MakeSet = 7037;
OctInt = 7038;
OctString = 7039;
Ord = 7040;
Quote = 7041;
RTrim = 7042;
Repeat = 7043;
Replace = 7044;
ReverseUTF8 = 7045;
Reverse = 7046;
RightUTF8 = 7047;
Right = 7048;
RpadUTF8 = 7049;
Rpad = 7050;
Space = 7051;
Strcmp = 7052;
Substring2ArgsUTF8 = 7053;
Substring3ArgsUTF8 = 7054;
Substring2Args = 7055;
Substring3Args = 7056;
SubstringIndex = 7057;
ToBase64 = 7058;
Trim1Arg = 7059;
Trim2Args = 7060;
Trim3Args = 7061;
UnHex = 7062;
UpperUTF8 = 7063;
Upper = 7064;
CharLength = 7065;
LowerUTF8 = 7066;
GreatestDuration = 7067;
GreatestCmpStringAsTime = 7068;
LeastDuration = 7069;
LeastCmpStringAsTime = 7070;
ToBinary = 7071;
FromBinary = 7072;
GreatestCmpStringAsDate = 7073;
LeastCmpStringAsDate = 7074;
GreatestDate = 7075; //Greatest,Least functions will return Date Type value when all the parameters are Date types
LeastDate = 7076;
}
// Evaluators should implement evaluation functions for every expression type.
message Expr {
optional ExprType tp = 1 [(gogoproto.nullable) = false];
optional bytes val = 2;
repeated Expr children = 3;
optional uint32 rpn_args_len = 6;
optional ScalarFuncSig sig = 4 [(gogoproto.nullable) = false];
optional FieldType field_type = 5;
optional bool has_distinct = 7 [(gogoproto.nullable) = false];
repeated ByItem order_by = 8;
optional AggFunctionMode aggFuncMode = 9;
}
// Expression organized in RPN form.
// https://en.wikipedia.org/wiki/Reverse_Polish_notation
message RpnExpr {
// All children fields in exprs should be empty.
repeated Expr exprs = 1;
}
// ByItem type for group by and order by.
message ByItem {
optional Expr expr = 1;
optional RpnExpr rpn_expr = 3;
optional bool desc = 2 [(gogoproto.nullable) = false];
}
enum AggFunctionMode {
CompleteMode = 0;
FinalMode = 1;
Partial1Mode = 2;
Partial2Mode = 3;
DedupMode = 4;
}