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  1. MariaDB Server
  2. MDEV-32637

Implement native UUID7 function

Details

    Description

      MariaDB provides the UUID method that generates UUID v4, however UUID v4 generates non linear UUIDS that will spread data across different linear partitions based on key or hash.

      The new UUID7 (https://uuid7.com/) will guarantee that continuous records are time sortable and a good collision resistance.

      The main advantage of UUID7 function is that it will allow to MariaDB avoid the limitation of use an unique combined primary key for time series records, where an unique ID and a date is required in order to create key/hash partitions. With UUID7 is possible only use only the key as ID and time reference.

      Right now is possible to generate UUID7 using a poor custom UDF however it may be very slow.

      Attachments

        Issue Links

          causes

          New Feature - A new feature of the product, which has yet to be developed. MDEV-33710 Implement Timestamp Extraction for UUIDv1 and UUIDv7

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Open
          is blocked by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-33827 UUID() returns a NULL-able result

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed
          is part of

          Task - A task that needs to be done. MDEV-23748 support not-MAC-address based UUID versions

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-32583 UUID() should be treated as stochastic for the purposes of forcing query materialization

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

          Task - A task that needs to be done. MDEV-33711 Increase Tests for UUIDv7

          • Major - Major loss of function.
          • Open

          New Feature - A new feature of the product, which has yet to be developed. MDEV-11339 Support UUID v4 generation

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-34981 Functions missing from INFORMATION_SCHEMA.SQL_FUNCTIONS

          • Major - Major loss of function.
          • Closed

          Activity

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            serg Sergei Golubchik added a comment -

            let's change the name to match what percona has

            serg Sergei Golubchik added a comment - let's change the name to match what percona has
            serg Sergei Golubchik added a comment - - edited

            bb-11.7-MDEV-33710-uuid is ready for testing. It has both UUIDv4 and UUIDv7

            serg Sergei Golubchik added a comment - - edited bb-11.7- MDEV-33710 -uuid is ready for testing. It has both UUIDv4 and UUIDv7
            danblack Daniel Black added a comment -

            note - ensure MDEV-32583 fix is applied here too.

            danblack Daniel Black added a comment - note - ensure MDEV-32583 fix is applied here too.
            bar Alexander Barkov added a comment -

            Hello serg Can you please review the pull request from StefanoPetrilli:

            https://github.com/MariaDB/server/pull/3093
            ?

            The low level UUDIv7 generation code is especially interesting.
            Couldn't we reuse some of UUIDv1 code?

            Thanks.

            bar Alexander Barkov added a comment - Hello serg Can you please review the pull request from StefanoPetrilli: https://github.com/MariaDB/server/pull/3093 ? The low level UUDIv7 generation code is especially interesting. Couldn't we reuse some of UUIDv1 code? Thanks.
            juanparati Juan Lago added a comment -

            @Jaydeep Das: I am not MariaDB developer. I just fixed a poor function that can we use as a workaround: https://gist.github.com/juanparati/0ded9c04d4cd43e5aae8f5a438a8b18b

            juanparati Juan Lago added a comment - @Jaydeep Das: I am not MariaDB developer. I just fixed a poor function that can we use as a workaround: https://gist.github.com/juanparati/0ded9c04d4cd43e5aae8f5a438a8b18b
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              serg Sergei Golubchik
              juanparati Juan Lago
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              Dates

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                Updated:
                Resolved:

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