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  1. MariaDB Server
  2. MDEV-36829

Inconsistent behaviors when creating PRIMARY KEYs

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Details

    • Bug
    • Status: Confirmed (View Workflow)
    • Major
    • Resolution: Unresolved
    • 11.8.1, 10.5, 10.6, 10.11, 11.4, 11.8
    • 10.11, 11.4, 11.8
    • Server

    Description

      Run the following statements, in which the first CREATE TABLE is expected to fail. However, it does not.

      CREATE TABLE t1 (c1 VARCHAR(0), PRIMARY KEY (c1)); -- expected to fail
      		 
      CREATE TABLE t1 (c1 VARCHAR(0) PRIMARY KEY); -- The storage engine InnoDB can't index column `c1`

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          is caused by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-33658 Cannot add a foreign key on a table with a long UNIQUE multi-column index, that contains a foreign key as a prefix.

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

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              nikitamalyavin Nikita Malyavin
              John Jove John Jove
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              Dates

                Created:
                Updated:

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