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  1. Core Server
  2. SERVER-58952

Implement operation to check if documents in collection have changed

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Details

    • Improvement
    • Status: Backlog
    • Major - P3
    • Resolution: Unresolved
    • None
    • None
    • Catalog, Querying
    • None
    • QE 2021-08-09

    Description

      Is there a way to let users determine "has db.myCollection changed at all since <time>" that is more lightweight than opening a change stream and listening for change events?

      It would be useful to be able to check if a collection has changed in any way since some time.

      Motivation

      The atlas search "synonyms" feature defines synonym data in a user collection. Search automatically detects changes to that collection, and updates synonyms artifacts on change.

      Search uses change streams to detect changes to that collection today - but does not have a way to incrementally modify synonym artifacts given change event information. mongot must replicate "from scratch" on each change.

      Change streams are an effective way to detect a change for a collection - but, if possible, we would be able to ask "has this collection changed?" in a less resource-intensive way.

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            backlog-query-execution Backlog - Query Execution
            evan.nixon@mongodb.com Evan Nixon
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            Dates

              Created:
              Updated: