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9 results found

  1. Raise maximum BSON document size bigger than 16 MB

    Per https://www.mongodb.com/docs/manual/reference/limits/#:~:text=The%20maximum%20BSON%20document%20size,MongoDB%20provides%20the%20GridFS%20API, maximum BSON document size is 16 MB. I would like to request this to support bigger sizes like 32 MB, 64 MB or even bigger.

    14 votes

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  2. Release notes with urgency and risk

    Provide MongoDB customers/users with an understandable release notes, especially for bugfixes.
    What are the risks this bugfix release covers, what is its urgency.

    Right now, release notes are made of MongoDB Jira tickets, which are very detailed and refer to the implementation of MongoDB, and thus cannot be easily understood by end users.

    As a suggestion, release notes could sum up the following data in a simple table:
    - Nature of impact
    -> data corruption: yes/no
    -> downtime: of a single node / of the whole cluster / on a subset of requests / etc
    - Context of impact

    10 votes

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  3. TTL Support within a document

    The current TTL implementation where documents can expire after a certain amount of time is extremely useful, especially because of its robustness in terms of if the db crashes.

    I would love for this to be extended upon with the ability to allow data within a document to expire after a set time. So for example, if you add data to a document you could set that data and that data only to expire with its own time to live value

    2 votes

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  4. Preserve field order in $merge

    Filed on behalf of https://jira.mongodb.org/browse/SERVER-63853:

    A variety of formats require strict adherence to the sequence of fields, such as bioinformatics

    Files of such formats are often very large and contain nested structures, so it is convenient to use them as collections. But to keep the data belonging to the above specs, it is necessary to keep the arrangement of the fields. Unfortunately, aggregations with saving results to another DB lose original arrangement.

    2 votes

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  5. Please upgrade third_party/mozjs to esr 102

    for new cpu isa (loongarch64/loong64) support , Thanks

    1 vote

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  6. We need to be able to use $[<identifier>] and "$setOnInsert" in the same command

    I want to be able to have a maintain array of counters for a user through a single update statement. If the document containing array of counters does not exist, I want to add it. If it does exist, I want to increment the counter

    For example, this command

    db.inboxItemCounts.updateOne(
    // filter
    {
    "userId": userDoc.userId
    },
    // update
    {
    "$setOnInsert": {
    "userId": userDoc.userId,
    "fromUserSummary": [{
    "userName": fromUserDoc.userName,
    "count": 1
    }]
    },
    // "$inc": incBody,
    "$inc": {
    "fromUserSummary.$[userElement].count": 1
    }
    },
    // options
    {
    "upsert": true,
    "writeConcern": { "w": "majority" },
    "arrayFilters": [
    { "userElement.userName": { $eq: fromUserDoc.userName }}
    ]
    }

    1 vote

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  7. $addToSetIfNotExists or javascript code as array operator

    This would allow for unique if not last entry into arrays.

    Preventing:

    ['one', 'one', 'two', 'three']

    But allowing:

    ['one', 'two', 'three', 'one']

    Or perhaps (to run js code on the array at the db):

    `.update({}, {$js: {'array_field': 'var last = ""; for (var key in array) {if (array[key] === last) {array.splice(key);}}'});

    1 vote

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  8. Support newer versions of JSON Schema in validation to be able to use the "if", "then", "else" and "const" keywords

    Currently there is no way to have conditional schema validators because you can't use the "const" keyword in a "oneOf" or the "if", "then" and "else" keywords.

    1 vote

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  9. views on different database (synonyms)

    It would be great if we could have in Mongo the same as in Oracle with DBLink synonyms:
    Access table or views from a different database.

    1 vote

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