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  1. MariaDB Server
  2. MDEV-8205

timediff returns null when comparing decimal time to time string value

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    • 10.0.20

    Description

      timediff function does not correctly convert decimal values to datetime when comparing a decimal time to a string time, returning null. Problem does not manifest in the datediff function.

      select 
      	timediff('2014-01-01 00:00:00' , '2014-01-01 01:00:00' ),
      		 
          timediff(20140101000000.000 , 20140101010000.000  ),
      		 
      	timediff(20140101000000.000 , '2014-01-01 01:00:00' ),
      		 
      	datediff('2014-01-01 00:00:00' , '2014-01-02 01:00:00' ),
      		 
          datediff(20140101000000.000 , 20140102010000.000  ),
      		 
      	datediff(20140101000000.000 , '2014-01-02 01:00:00' );

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            bar Alexander Barkov
            MarkP Mark Punak
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              Updated:
              Resolved:

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