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Type:
Task
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Resolution: Unresolved
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: None
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None
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Catalog and Routing
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CAR Team 2024-08-19, CAR Team 2024-09-02
One of the goal of SPM-3797 is to create a $listCollections aggregation stage that replicates as much as possible the listCollections output adding important sharding information for the user.
However, the new $listCollections introduced by SERVER-92216, is not returning the same fields as the listCollections command for the timeseries-view namespaces.
This is an example for a timeseries-view namespace returned by $listCollections followed by the output of the listCollections command:
// timeseries-view returned by $listCollections:
{
namespace: 'dbA.collTimeseries',
db: 'dbA',
type: 'timeseries',
viewOn: 'system.buckets.collT',
pipeline: [
{
'$_internalUnpackBucket': { timeField: 't', bucketMaxSpanSeconds: 3600 }
}
],
info: { readOnly: false }
sharded: false
}
// timeseries-view returned by the listCollections command:
{
name: 'collT',
type: 'timeseries',
options: {
timeseries: {
timeField: 't',
granularity: 'seconds',
bucketMaxSpanSeconds: 3600
}
},
info: { readOnly: false }
}
This task aims to:
- Remove the pipeline and viewOn fields
- Add the options.timeseries field
- depends on
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- In Code Review
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