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  1. MariaDB Server
  2. MDEV-8373

Zero date can be inserted in strict no-zero mode through CREATE TABLE AS SELECT timestamp_field

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 5.5, 10.0, 10.1
    • Fix Version/s: 10.1.6
    • Component/s: Temporal Types
    • Labels:
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      Description

      set sql_mode=default;
      		 
      drop table if exists t1;
      		 
      create table t1 (a timestamp);
      		 
      insert into t1 values (0);
      		 
      set sql_mode='TRADITIONAL';
      		 
      drop table if exists t2;
      		 
      create table t2 as select * from t1;

      The last statement should fail on error, because zero date is not allowed by sql_mode.

      Note, if I change data time from TIMESTAMP to DATE or DATETIME, it correctly returns the error:

      ERROR 1292 (22007): Incorrect datetime value: '0000-00-00 00:00:00' for column 'a' at row 1

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            Assignee:
            bar Alexander Barkov
            Reporter:
            bar Alexander Barkov
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              Dates

              Created:
              Updated:
              Resolved:

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