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  1. MariaDB Server
  2. MDEV-8879

ENUM: Inconsistent results for IS TRUE test

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Details

    • Bug
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.0, 10.1, 10.2, 10.3, 10.4, 10.5, 10.6, 10.7, 10.8, 10.9, 10.10
    • 10.4
    • Data types

    Description

      DROP TABLE IF EXISTS t1;
      CREATE TABLE t1 (a ENUM('0x'));
      INSERT INTO t1 VALUES ('0x');
      SELECT a IS TRUE AS a0, COALESCE(a) IS TRUE AS a1, LEAST(a,a) IS TRUE AS a2, (SELECT a FROM t1) IS TRUE AS a3 FROM t1;

      returns:

      +----+----+----+----+
      | a0 | a1 | a2 | a3 |
      +----+----+----+----+
      |  1 |  0 |  1 |  0 |
      +----+----+----+----+

      Expect to get the same result for all columns.

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            bar Alexander Barkov
            bar Alexander Barkov
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            Dates

              Created:
              Updated:

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