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/*
Copyright 2020 The Qmgo Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package operator
// Aggregation Pipeline Operators
// refer: https://docs.mongodb.com/manual/reference/operator/aggregation/
const (
// Arithmetic Expression Operators
Abs = "$abs"
Add = "$add"
Ceil = "$ceil"
Divide = "$divide"
Exp = "$exp"
Floor = "$floor"
Ln = "$ln"
Log = "$log"
Log10 = "$log10"
Multiply = "$multiply"
Pow = "$pow"
Round = "$round"
Sqrt = "$sqrt"
Subtract = "$subtract"
Trunc = "$trunc"
// Array Expression Operators
ArrayElemAt = "$arrayElemAt"
ArrayToObject = "$arrayToObject"
ConcatArrays = "$concatArrays"
Filter = "$filter"
IndexOfArray = "$indexOfArray"
IsArray = "$isArray"
Map = "$map"
ObjectToArray = "$objectToArray"
Range = "$range"
Reduce = "$reduce"
ReverseArray = "$reverseArray"
Zip = "$zip"
// Comparison Expression Operators
Cmp = "$cmp"
// Conditional Expression Operators
Cond = "$cond"
IfNull = "$ifNull"
Switch = "$switch"
// Custom Aggregation Expression Operators
Accumulator = "$accumulator"
Function = "$function"
// Data Size Operators
BinarySize = "$binarySize"
BsonSize = "$bsonSize"
// Date Expression Operators
DateFromParts = "$dateFromParts"
DateFromString = "$dateFromString"
DateToParts = "$dateToParts"
DateToString = "$dateToString"
DayOfMonth = "$dayOfMonth"
DayOfWeek = "$dayOfWeek"
DayOfYear = "$dayOfYear"
Hour = "$hour"
IsoDayOfWeek = "$isoDayOfWeek"
IsoWeek = "$isoWeek"
IsoWeekYear = "$isoWeekYear"
Millisecond = "$millisecond"
Minute = "$minute"
Month = "$month"
Second = "$second"
ToDate = "$toDate"
Week = "$week"
Year = "$year"
// Literal Expression Operator
Literal = "$literal"
// Object Expression Operators
MergeObjects = "$mergeObjects"
// Set Expression Operators
AllElementsTrue = "$allElementsTrue"
AnyElementTrue = "$anyElementTrue"
SetDifference = "$setDifference"
SetEquals = "$setEquals"
SetIntersection = "$setIntersection"
SetIsSubset = "$setIsSubset"
SetUnion = "$setUnion"
// String Expression Operators
Concat = "$concat"
IndexOfBytes = "$indexOfBytes"
IndexOfCP = "$indexOfCP"
Ltrim = "$ltrim"
RegexFind = "$regexFind"
RegexFindAll = "$regexFindAll"
RegexMatch = "$regexMatch"
Rtrim = "$rtrim"
Split = "$split"
StrLenBytes = "$strLenBytes"
StrLenCP = "$strLenCP"
Strcasecmp = "$strcasecmp"
Substr = "$substr"
SubstrBytes = "$substrBytes"
SubstrCP = "$substrCP"
ToLower = "$toLower"
ToString = "$toString"
Trim = "$trim"
ToUpper = "$toUpper"
ReplaceOne = "$replaceOne"
ReplaceAll = "$replaceAll"
// Trigonometry Expression Operators
Sin = "$sin"
Cos = "$cos"
Tan = "$tan"
Asin = "$asin"
Acos = "$acos"
Atan = "$atan"
Atan2 = "$atan2"
Asinh = "$asinh"
Acosh = "$acosh"
Atanh = "$atanh"
DegreesToRadians = "$degreesToRadians"
RadiansToDegrees = "$radiansToDegrees"
// Type Expression Operators
Convert = "$convert"
ToBool = "$toBool"
ToDecimal = "$toDecimal"
ToDouble = "$toDouble"
ToInt = "$toInt"
ToLong = "$toLong"
ToObjectID = "$toObjectId"
IsNumber = "$isNumber"
// Accumulators ($group)
Avg = "$avg"
First = "$first"
Last = "$last"
StdDevPop = "$stdDevPop"
StdDevSamp = "$stdDevSamp"
Sum = "$sum"
// Variable Expression Operators
Let = "$let"
)