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PHPLIB-1374 Add tests on all stages
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‎generator/config/stage/addFields.yaml

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@@ -39,3 +39,23 @@ tests:
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-
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$addFields:
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specs.fuel_type: 'unleaded'
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-
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name: 'Overwriting an existing field'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/addFields/#overwriting-an-existing-field'
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pipeline:
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-
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$addFields:
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cats: 20
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-
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name: 'Add Element to an Array'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/addFields/#add-element-to-an-array'
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pipeline:
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-
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$match:
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_id: 1
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-
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$addFields:
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homework:
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$concatArrays:
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- '$homework'
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- [7]

‎generator/config/stage/bucket.yaml

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A document that specifies the fields to include in the output documents in addition to the _id field. To specify the field to include, you must use accumulator expressions.
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If you do not specify an output document, the operation returns a count field containing the number of documents in each bucket.
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If you specify an output document, only the fields specified in the document are returned; i.e. the count field is not returned unless it is explicitly included in the output document.
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tests:
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-
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name: 'Bucket by Year and Filter by Bucket Results'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/bucket/#bucket-by-year-and-filter-by-bucket-results'
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pipeline:
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-
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$bucket:
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groupBy: '$year_born'
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boundaries: [1840, 1850, 1860, 1870, 1880]
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default: 'Other'
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output:
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count:
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$sum: 1
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artists:
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$push:
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name:
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$concat:
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- '$first_name'
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- ' '
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- '$last_name'
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year_born: '$year_born'
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-
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$match:
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count:
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$gt: 3
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-
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name: 'Use $bucket with $facet to Bucket by Multiple Fields'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/bucket/#use--bucket-with--facet-to-bucket-by-multiple-fields'
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pipeline:
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-
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$facet:
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price:
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-
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$bucket:
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groupBy: '$price'
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boundaries: [0, 200, 400]
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default: 'Other'
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output:
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count:
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$sum: 1
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artwork:
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$push:
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title: '$title'
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price: '$price'
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averagePrice:
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$avg: '$price'
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year:
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-
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$bucket:
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groupBy: '$year'
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boundaries: [1890, 1910, 1920, 1940]
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default: 'Unknown'
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output:
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count:
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$sum: 1
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artwork:
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$push:
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title: '$title'
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year: '$year'

‎generator/config/stage/bucketAuto.yaml

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description: |
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A string that specifies the preferred number series to use to ensure that the calculated boundary edges end on preferred round numbers or their powers of 10.
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Available only if the all groupBy values are numeric and none of them are NaN.
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tests:
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-
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name: 'Single Facet Aggregation'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/bucketAuto/#single-facet-aggregation'
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pipeline:
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-
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$bucketAuto:
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groupBy: '$price'
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buckets: 4

‎generator/config/stage/changeStream.yaml

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optional: true
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description: |
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Specifies a time as the logical starting point for the change stream. Cannot be used with resumeAfter or startAfter fields.
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tests:
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-
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name: 'Example'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/changeStream/#examples'
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pipeline:
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-
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$changeStream: {}

‎generator/config/stage/changeStreamSplitLargeEvent.yaml

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description: |
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Splits large change stream events that exceed 16 MB into smaller fragments returned in a change stream cursor.
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You can only use $changeStreamSplitLargeEvent in a $changeStream pipeline and it must be the final stage in the pipeline.
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tests:
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-
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name: 'Example'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/changeStreamSplitLargeEvent/#example'
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pipeline:
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-
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$changeStreamSplitLargeEvent: {}

‎generator/config/stage/collStats.yaml

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name: config
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type:
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- object
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tests:
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-
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name: 'latencyStats Document'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/collStats/#latencystats-document'
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pipeline:
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-
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$collStats:
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latencyStats:
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histograms: true
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-
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name: 'storageStats Document'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/collStats/#storagestats-document'
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pipeline:
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-
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$collStats:
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storageStats: {}
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-
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name: 'count Field'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/collStats/#count-field'
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pipeline:
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-
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$collStats:
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count: {}
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-
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name: 'queryExecStats Document'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/collStats/#queryexecstats-document'
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pipeline:
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-
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$collStats:
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queryExecStats: {}

‎generator/config/stage/count.yaml

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- string
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description: |
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Name of the output field which has the count as its value. It must be a non-empty string, must not start with $ and must not contain the . character.
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tests:
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-
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name: 'Example'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/count/#example'
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pipeline:
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-
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$match:
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score:
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$gt: 80
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-
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$count: 'passing_scores'

‎generator/config/stage/currentOp.yaml

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encode: object
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description: |
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Returns information on active and/or dormant operations for the MongoDB deployment. To run, use the db.aggregate() method.
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tests:
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-
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name: 'Inactive Sessions'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/currentOp/#inactive-sessions'
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pipeline:
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-
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$currentOp:
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allUsers: true
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idleSessions: true
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-
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$match:
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active: false
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transaction:
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$exists: true
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-
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name: 'Sampled Queries'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/currentOp/#sampled-queries'
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pipeline:
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-
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$currentOp:
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allUsers: true
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localOps: true
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-
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$match:
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desc: 'query analyzer'

‎generator/config/stage/densify.yaml

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- object # Range
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description: |
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Specification for range based densification.
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tests:
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-
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name: 'Densify Time Series Data'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/densify/#densify-time-series-data'
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pipeline:
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-
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$densify:
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field: 'timestamp'
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range:
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step: 1
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unit: 'hour'
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bounds:
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- !bson_utcdatetime '2021-05-18T00:00:00.000Z'
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- !bson_utcdatetime '2021-05-18T08:00:00.000Z'
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-
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name: 'Densifiction with Partitions'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/densify/#densifiction-with-partitions'
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pipeline:
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-
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$densify:
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field: 'altitude'
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partitionByFields:
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- 'variety'
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range:
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bounds: 'full'
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step: 200

‎generator/config/stage/documents.yaml

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- $let expressions
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- variables in scope from $lookup expressions
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Expressions that do not resolve to a current document, like $myField or $$ROOT, will result in an error.
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tests:
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-
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name: 'Test a Pipeline Stage'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/documents/#test-a-pipeline-stage'
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pipeline:
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-
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$documents:
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- { x: 10 }
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- { x: 2 }
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- { x: 5 }
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-
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$bucketAuto:
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groupBy: '$x'
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buckets: 4
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-
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name: 'Use a $documents Stage in a $lookup Stage'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/documents/#use-a--documents-stage-in-a--lookup-stage'
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pipeline:
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-
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$match: {}
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-
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$lookup:
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localField: 'zip'
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foreignField: 'zip_id'
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as: 'city_state'
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pipeline:
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-
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$documents:
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-
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zip_id: 94301
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name: 'Palo Alto, CA'
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-
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zip_id: 10019
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name: 'New York, NY'

‎generator/config/stage/facet.yaml

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type:
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- pipeline
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variadic: object
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tests:
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-
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name: 'Example'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/facet/#example'
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pipeline:
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-
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$facet:
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categorizedByTags:
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-
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$unwind: '$tags'
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-
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$sortByCount: '$tags'
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categorizedByPrice:
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-
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$match:
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price:
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$exists: 1
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-
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$bucket:
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groupBy: '$price'
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boundaries: [0, 150, 200, 300, 400]
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default: 'Other'
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output:
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count:
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$sum: 1
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titles:
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$push: '$title'
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categorizedByYears(Auto):
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-
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$bucketAuto:
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groupBy: '$year'
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buckets: 4

‎generator/config/stage/fill.yaml

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description: |
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Specifies an object containing each field for which to fill missing values. You can specify multiple fields in the output object.
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The object name is the name of the field to fill. The object value specifies how the field is filled.
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tests:
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-
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name: 'Fill Missing Field Values with a Constant Value'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/fill/#fill-missing-field-values-with-a-constant-value'
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pipeline:
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-
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$fill:
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output:
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bootsSold:
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value: 0
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sandalsSold:
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value: 0
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sneakersSold:
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value: 0
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-
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name: 'Fill Missing Field Values with Linear Interpolation'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/fill/#fill-missing-field-values-with-linear-interpolation'
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pipeline:
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-
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$fill:
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sortBy:
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time: 1
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output:
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price:
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method: 'linear'
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-
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name: 'Fill Missing Field Values Based on the Last Observed Value'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/fill/#fill-missing-field-values-based-on-the-last-observed-value'
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pipeline:
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-
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$fill:
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sortBy:
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date: 1
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output:
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score:
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method: 'locf'
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-
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name: 'Fill Data for Distinct Partitions'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/fill/#fill-data-for-distinct-partitions'
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pipeline:
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-
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$fill:
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sortBy:
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date: 1
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partitionBy:
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restaurant: '$restaurant'
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output:
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score:
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method: 'locf'
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-
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name: 'Indicate if a Field was Populated Using $fill'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/fill/#indicate-if-a-field-was-populated-using--fill'
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pipeline:
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-
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$set:
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valueExisted:
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$ifNull:
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-
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$toBool:
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$toString: '$score'
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- false
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-
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$fill:
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sortBy:
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date: 1
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output:
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score:
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method: 'locf'

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