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51 lines
1.6 KiB
51 lines
1.6 KiB
/*
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Copyright 2020 The Qmgo Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package operator
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// define the aggregation pipeline stages
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// refer: https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/
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const (
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// Collection Aggregate Stages
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AddFields = "$addFields"
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Bucket = "$bucket"
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BucketAuto = "$bucketAuto"
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CollStats = "$collStats"
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Count = "$count"
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Facet = "$facet"
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GeoNear = "$geoNear"
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GraphLookup = "$graphLookup"
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Group = "$group"
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IndexStats = "$indexStats"
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Limit = "$limit"
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ListSessions = "$listSessions"
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Lookup = "$lookup"
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Match = "$match"
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Merge = "$merge"
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Out = "$out"
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PlanCacheStats = "$planCacheStats"
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Project = "$project"
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Redact = "$redact"
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ReplaceRoot = "$replaceRoot"
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ReplaceWith = "$replaceWith"
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Sample = "$sample"
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Skip = "$skip"
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SortByCount = "$sortByCount"
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UnionWith = "$unionWith"
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Unwind = "$unwind"
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// Database Aggregate stages
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CurrentOp = "$currentOp"
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ListLocalSessions = "$listLocalSessions"
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)
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