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  1. MariaDB Server
  2. MDEV-5528

Command line variable to choose MariaDB-5.3 vs MySQL-5.6 temporal data formats

Details

    • Task
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.1.2
    • OTHER
    • None

    Description

      Add a new mysqld command line parameter to choose
      between MariaDB-5.3 and MySQL-5.6 low level formats
      for TIME, DATETIME, TIMESTAMP:

      mysqld --mysql56-temporal-format

      Add a corresponding read-only global system variable @@mysql56_temporal_format.

      Consider switching to the MySQL56 temporal format as the default.
      The advantage of the MySQL56 format is that it uses
      separate type codes MYSQL_TYPE_TIME2, MYSQL_TYPE_TIMESTAMP2,
      MySQL_TYPE_DATETIME2 and put the column precisions in metadata
      in the binary log, which can help to fix the problem reported in MDEV-5377.

      Attachments

        Issue Links

          blocks

          Bug - A problem which impairs or prevents the functions of the product. MDEV-5377 Row-based replication of MariaDB temporal data types with FSP>0 into a different column type

          • Major - Major loss of function.
          • Closed

          Task - A task that needs to be done. MDEV-6001 Merge tests for MySQL WL#946 TIME/DATETIME/TIMESTAMP with fractional precision

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-5377 Row-based replication of MariaDB temporal data types with FSP>0 into a different column type

          • Major - Major loss of function.
          • Closed
          relates to

          Task - A task that needs to be done. MDEV-15228 Document how to upgrade old temporal columns

          • Major - Major loss of function.
          • Closed

          Task - A task that needs to be done. MDEV-19906 Show internal type for TIMESTAMP, DATETIME, and TIME columns

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-15225 Can't import .ibd file with temporal type format differing from mysql56_temporal_format

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

          Web Link Bug #70124 Timestamp and datetimes self-incompatible during replication

          Web Link Bug #72610 Out of memory on 5.6 slave using RBR with DATETIME when table created in 5.5.

          Activity

            Descending order - Click to sort in ascending order
            greenman Ian Gilfillan added a comment -

            This option has now been added to the documentation.

            greenman Ian Gilfillan added a comment - This option has now been added to the documentation.
            serg Sergei Golubchik added a comment -

            ok to push

            serg Sergei Golubchik added a comment - ok to push

            People

              greenman Ian Gilfillan
              bar Alexander Barkov
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              Dates

                Created:
                Updated:
                Resolved:

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