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  1. Core Server
  2. SERVER-30405

add expression to generate a random number

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    Details

    • Backwards Compatibility:
      Fully Compatible
    • Backport Requested:
      v4.4
    • Sprint:
      Query 2020-06-01, Query 2020-06-15
    • Linked BF Score:
      46

      Description

      For generating a random number during aggregation or something like SERVER-22225 it would be nice to have a way to generate a (pseudo-)random number, either as an expression or an a system variable.

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          is depended on by

          New Feature - A new feature of the product, which has yet to be developed. SERVER-48474 Add $sampleRate match expression

          • Major - P3 - Major loss of function.
          • Closed

          Task - A task that needs to be done. SERVER-48464 Remove {$rand:{const:true}}

          • Major - P3 - Major loss of function.
          • Closed
          is documented by

          Task - A task that needs to be done. DOCS-13883 Investigate changes in SERVER-30405: add expression to generate a random number

          • Major - P3 - Major loss of function.
          • Closed
          is duplicated by

          New Feature - A new feature of the product, which has yet to be developed. SERVER-32928 $rand function

          • Minor - P4 - Minor loss of function, or other problem where easy workaround is present.
          • Closed
          is related to

          New Feature - A new feature of the product, which has yet to be developed. SERVER-22123 Add an option to the $sample stage to specify weights to use in the sampling.

          • Major - P3 - Major loss of function.
          • Open
          related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-43666 Sort by "randVal" is not random

          • Major - P3 - Major loss of function.
          • Closed

            Activity

              People

              Assignee:
              svilen.mihaylov Svilen Mihaylov
              Reporter:
              asya Asya Kamsky
              Participants:
              Votes:
              2 Vote for this issue
              Watchers:
              13 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved: