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  1. MariaDB ColumnStore
  2. MCOL-780

auto increment needs to use MariaDB's auto increment methods

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    Details

    • Type: New Feature
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Won't Do
    • Affects Version/s: 1.0.9
    • Fix Version/s: Icebox
    • Component/s: N/A
    • Labels:

      Description

      We have a ColumnStore table with an autoincrement column (defined as a comment in the table, as documented here).

      We noticed that none of the usual methods of retrieving the current autoincrement value for the table work:
      • SELECT LAST_INSERT_ID()
      o Doesn't work, that is, it is not affected by inserts or updates into ColumnStore tables. Works fine for InnoDB.
      • SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = '<SCHEMA>' AND TABLE_NAME = '<TABLE>'
      o Always returns NULL;
      • mysql_insert_id() (from libmysql)
      o Always returns 0.
      • JDBC driver calls
      o Always return 0.
      This is breaking our code, as the ORMs we use (for instance, Rails' Active Record or Scala's SORM) depend on this value being returned and/or available somehow.

      Is this a bug? If not, is there any other way to retrieve the current autoincrement value?

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              Assignee:
              toddstoffel Todd Stoffel
              Reporter:
              dthompson David Thompson (Inactive)
              Votes:
              3 Vote for this issue
              Watchers:
              7 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved:

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