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  1. Core Server
  2. SERVER-73901

Time-series inserts succeed even if time-series view does not exist

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    • Type: Icon: Bug Bug
    • Resolution: Won't Fix
    • Priority: Icon: Major - P3 Major - P3
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    • Affects Version/s: None
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    • Storage Execution
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      MongoDB Enterprise > db.createCollection("c", {timeseries: {timeField: "t"}})
{ "ok" : 1 }
MongoDB Enterprise > db.system.views.find()
{ "_id" : "test.c", "viewOn" : "system.buckets.c", "pipeline" : [ { "$_internalUnpackBucket" : { "timeField" : "t", "bucketMaxSpanSeconds" : 3600 } } ] }
MongoDB Enterprise > db.adminCommand({applyOps: [{"op": "d", "ns": "test.system.views", "o": {"_id": "test.c"}}]})
{ "applied" : 1, "results" : [ true ], "ok" : 1 }
MongoDB Enterprise > db.system.views.find()
MongoDB Enterprise > db.c.insert({t: ISODate()})
WriteResult({ "nInserted" : 1 })
MongoDB Enterprise > db.system.buckets.find()
MongoDB Enterprise > db.system.buckets.c.find()
{ "_id" : ObjectId("63e574602386bee9e7ef7a75"), "control" : { "version" : 1, "min" : { "_id" : ObjectId("63e574734ba6a20dd8db3782"), "t" : ISODate("2023-02-09T22:32:00Z") }, "max" : { "_id" : ObjectId("63e574734ba6a20dd8db3782"), "t" : ISODate("2023-02-09T22:32:19.951Z") } }, "data" : { "_id" : { "0" : ObjectId("63e574734ba6a20dd8db3782") }, "t" : { "0" : ISODate("2023-02-09T22:32:19.951Z") } } }
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      MongoDB Enterprise > db.createCollection("c", {timeseries: {timeField: "t"}}) { "ok" : 1 } MongoDB Enterprise > db.system.views.find() { "_id" : "test.c", "viewOn" : "system.buckets.c", "pipeline" : [ { "$_internalUnpackBucket" : { "timeField" : "t", "bucketMaxSpanSeconds" : 3600 } } ] } MongoDB Enterprise > db.adminCommand({applyOps: [{"op": "d", "ns": "test.system.views", "o": {"_id": "test.c"}}]}) { "applied" : 1, "results" : [ true ], "ok" : 1 } MongoDB Enterprise > db.system.views.find() MongoDB Enterprise > db.c.insert({t: ISODate()}) WriteResult({ "nInserted" : 1 }) MongoDB Enterprise > db.system.buckets.find() MongoDB Enterprise > db.system.buckets.c.find() { "_id" : ObjectId("63e574602386bee9e7ef7a75"), "control" : { "version" : 1, "min" : { "_id" : ObjectId("63e574734ba6a20dd8db3782"), "t" : ISODate("2023-02-09T22:32:00Z") }, "max" : { "_id" : ObjectId("63e574734ba6a20dd8db3782"), "t" : ISODate("2023-02-09T22:32:19.951Z") } }, "data" : { "_id" : { "0" : ObjectId("63e574734ba6a20dd8db3782") }, "t" : { "0" : ISODate("2023-02-09T22:32:19.951Z") } } }
    • Storage Execution 2025-03-31, Storage Execution 2025-04-14
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      If we get into a scenario where a time-series buckets collection exists but the corresponding view does not, inserting into the (would-be) view namespace still succeeds as if it did exist.

            Assignee:
            yuhong.zhang@mongodb.com Yuhong Zhang
            Reporter:
            gregory.noma@mongodb.com Gregory Noma
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