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  1. MariaDB Server
  2. MDEV-16423

DST and timestamp comparison

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Details

    • Bug
    • Status: Confirmed (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.2(EOL), 10.3(EOL), 10.4(EOL)
    • 10.6
    • Temporal Types, Time zones
    • None

    Description

      set time_zone='Europe/Moscow';
      		 
      create table t1 (a int, d timestamp);
      		 
      set @@timestamp=1067121000;
      		 
      select now();
      		 
      insert into t1 values (1, current_timestamp()), (2, current_timestamp());
      		 
      set @@timestamp=1067121001;
      		 
      update t1 set d= current_timestamp() where a = 2;
      		 
      set @@timestamp=1067122860;
      		 
      select now();
      		 
      insert into t1 values (3, current_timestamp()), (4, current_timestamp());
      		 
      set @@timestamp=1067122861;
      		 
      update t1 set d= current_timestamp() where a = 4;
      		 
      select a,d,now(),unix_timestamp(d),unix_timestamp(now()) from t1;
      		 
      select a,d,now(),unix_timestamp(d),unix_timestamp(now()) from t1 where d > current_timestamp();
      		 
      drop table t1;

      Attachments

        Issue Links

          is blocked by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-16422 DST and unix_timestamp(now())

          • Major - Major loss of function.
          • Confirmed
          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-16013 During the extra hour upon DST switch historical data from time-versioned tables is shown inconsistently

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Stalled
          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-22828 Bad results near DST change: UNIX_TIMESTAMP(timestamp_column)=<integer literal>

          • Major - Major loss of function.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. MDEV-32148 Inefficient WHERE timestamp_column=datetime_const_expr

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-32152 Wrong results near DST for `WHERE indexed_timestamp_column='2010-10-31 02:30:00'`

          • Major - Major loss of function.
          • Open

          Activity

            People

              bar Alexander Barkov
              serg Sergei Golubchik
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              Dates

                Created:
                Updated:

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