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  1. MariaDB Server
  2. MDEV-437

Microseconds: In time functions precision is calculated modulo 256

Details

    • Bug
    • Status: Closed (View Workflow)
    • Trivial
    • Resolution: Fixed
    • 5.5.25, 5.3.7
    • 5.5.27, 5.3.9
    • None
    • None

    Description

      SELECT NOW(257);
      		 
      +-----------------------+
      		 
      | NOW(257)              |
      		 
      +-----------------------+
      		 
      | 2012-08-07 04:07:25.8 |
      		 
      +-----------------------+
      		 
      1 row in set (0.01 sec)

      Works the same way in MySQL 5.6. It seems harmless, just somewhat embarrassing, so unless it's a cool feature, maybe it makes sense to fix it some day.

      With columns it's different though:

      CREATE TABLE t (a DATETIME(257));
      		 
      ERROR 1426 (42000): Too big precision 257 specified for 'a'. Maximum is 6.

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            serg Sergei Golubchik
            elenst Elena Stepanova
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            Dates

              Created:
              Updated:
              Resolved:

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