![]() Note that the ObjectIDs may be generated by the driver, or the application (or indeed manually) rather than by MongoDB itself, so unless you have full control over how they are generated, then any or all of the above may apply. That "inc" field is either an ever incrementing field (then you can reasonably expect the sort to be in the insert/create order) or a random value (then likely unique, but not ordered), assuming the spec is implemented correctly of course. The most basic way to sort results it to provide a document specifying a single field indicating the column name with a value of 1. sort () method takes a document as an argument specifying the fields to sort as well as the sort direction. The ObjectID now contains less context (you can't easily tell where it was generated and by what process) but I would guess that the information was not being used in any meaningful way and has been deprecated in favor of better randomisation of the ID. The basic approach to sorting results in MongoDB is to append the. The last three bytes are still incremental, but initialised at a random value to start, again making collisions less likely. Enter the sort document into the Sort field. Set the Sort Order To set the sort order: In the Query Bar, click Options. The ObjectID spec has evolved since this answer was written 8 years ago and the 5 bytes after the timestamp are now simply random, which will greatly decrease the likelihood of any collisions. Sort the Returned Documents MongoDB Compass Docs Home MongoDB Compass Sort the Returned Documents If the query bar displays the Sort option, you can specify the sort order of the returned documents. This answer continues to be popular so it is worth updating a little. If these were created on the same machine (machine ID - the next 3 bytes), by the same process (PID - the next 2 bytes), then the only thing to differentiate them would be the "inc" field, the last 3 bytes at the end. The scope of that would be more involved than a DBA Stack Exchange question and would be better discussed in the Developer Tools category on the MongoDB Developer Community Forums.Since the ObjectID timestamp is only to the second, two (or more) ObjectIDs could easily be created with the same value for the timestamp (the first 4 bytes). If you are extra motivated, you could always write a plugin for the MongoDB Shell or Compass. A Compass feature suggestion like saving and restoring tabs with queries & sort settings may also address your use case and be worth upvoting and watching. ![]() I'm not aware of a tool that saves a default sort order per collection, but you could submit this as a feature suggestion for your favourite tools (for example: Compass feedback). I assume that you are creating Indexes to Sort Query Results to support efficient queries. Let us learn to find the document order by between dates with the help of an example. And, we will use the sort () method to order by either in ascending or descending order. prasad at 5:31 Add a comment 1 Answer Sorted by: 2 by default mongo appears to return documents in insertion order. MongoDB order by date between When we want to find out the documents between dates then we will use the gt and lt operator. MongoDB does not store documents in a collection in a particular order. I'm currently either adding a sort manually, or creating a view manually for each collection with the sort defined.Įither of these approaches would work, although setting up a view for every collection sounds like more effort. In general, the mongosh is the command line tool often preferred by developers and database administrators (this doesn't make difference in this specific use case). Natural order is an undefined "as results are found" which may appear to coincide with insertion order, but is definitely not guaranteed or predictable. MongoDB returns documents in natural order when no sort order is By default mongo appears to return documents in insertion order.
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