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  1. Core Server
  2. SERVER-79787

Ordered timeseries inserts may return wrong 'n' value when a statement fails

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    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 8.0.0-rc0
    • Affects Version/s: None
    • Component/s: None
    • Labels:
    • Storage Execution
    • Fully Compatible
    • ALL
    • Hide 
      foo:PRIMARY> db.createCollection("coll", {timeseries: {timeField: 'time'}})
{
        "ok" : 1,
        "$clusterTime" : {
                "clusterTime" : Timestamp(1691419064, 2),
                "signature" : {
                        "hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
                        "keyId" : NumberLong(0)
                }
        },
        "operationTime" : Timestamp(1691419064, 2)
}
foo:PRIMARY> db.runCommand({insert: "coll", documents: [{x: 0, time: ISODate()}, {x: 1}], ordered: true})
{
        "n" : 2,
        "electionId" : ObjectId("7fffffff0000000000000004"),
        "opTime" : {
                "ts" : Timestamp(1691419106, 1),
                "t" : NumberLong(4)
        },
        "writeErrors" : [
                {
                        "index" : 1,
                        "code" : 2,
                        "errmsg" : "'time' must be present and contain a valid BSON UTC datetime value"
                }
        ],
        "ok" : 1,
        "$clusterTime" : {
                "clusterTime" : Timestamp(1691419106, 1),
                "signature" : {
                        "hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
                        "keyId" : NumberLong(0)
                }
        },
        "operationTime" : Timestamp(1691419106, 1)
}
foo:PRIMARY> db.runCommand({insert: "coll", documents: [{x: 0, time: ISODate()}, {x: 1}], ordered: false})
{
        "n" : 1,
        "electionId" : ObjectId("7fffffff0000000000000004"),
        "opTime" : {
                "ts" : Timestamp(1691419125, 1),
                "t" : NumberLong(4)
        },
        "writeErrors" : [
                {
                        "index" : 1,
                        "code" : 2,
                        "errmsg" : "'time' must be present and contain a valid BSON UTC datetime value"
                }
        ],
        "ok" : 1,
        "$clusterTime" : {
                "clusterTime" : Timestamp(1691419125, 1),
                "signature" : {
                        "hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
                        "keyId" : NumberLong(0)
                }
        },
        "operationTime" : Timestamp(1691419125, 1)
}
      Show
      foo:PRIMARY> db.createCollection("coll", {timeseries: {timeField: 'time'}}) { "ok" : 1, "$clusterTime" : { "clusterTime" : Timestamp(1691419064, 2), "signature" : { "hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="), "keyId" : NumberLong(0) } }, "operationTime" : Timestamp(1691419064, 2) } foo:PRIMARY> db.runCommand({insert: "coll", documents: [{x: 0, time: ISODate()}, {x: 1}], ordered: true}) { "n" : 2, "electionId" : ObjectId("7fffffff0000000000000004"), "opTime" : { "ts" : Timestamp(1691419106, 1), "t" : NumberLong(4) }, "writeErrors" : [ { "index" : 1, "code" : 2, "errmsg" : "'time' must be present and contain a valid BSON UTC datetime value" } ], "ok" : 1, "$clusterTime" : { "clusterTime" : Timestamp(1691419106, 1), "signature" : { "hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="), "keyId" : NumberLong(0) } }, "operationTime" : Timestamp(1691419106, 1) } foo:PRIMARY> db.runCommand({insert: "coll", documents: [{x: 0, time: ISODate()}, {x: 1}], ordered: false}) { "n" : 1, "electionId" : ObjectId("7fffffff0000000000000004"), "opTime" : { "ts" : Timestamp(1691419125, 1), "t" : NumberLong(4) }, "writeErrors" : [ { "index" : 1, "code" : 2, "errmsg" : "'time' must be present and contain a valid BSON UTC datetime value" } ], "ok" : 1, "$clusterTime" : { "clusterTime" : Timestamp(1691419125, 1), "signature" : { "hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="), "keyId" : NumberLong(0) } }, "operationTime" : Timestamp(1691419125, 1) }
    • Execution Team 2024-02-05

      I think this is because performOrderedTimeseriesWrites always returns the document size even when errors may present.

            Assignee:
            yuhong.zhang@mongodb.com Yuhong Zhang
            Reporter:
            lingzhi.deng@mongodb.com Lingzhi Deng
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            Watchers:
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              Created:
              Updated:
              Resolved: