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  1. MariaDB Server
  2. MDEV-26841

ROW_NUMBER is not set and differs from the message upon ER_WRONG_VALUE_COUNT_ON_ROW for the 1st row

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      Description

      create or replace table t (a int);
      insert into t values (1,2),(3);
       
      get diagnostics condition 1 @n= row_number, @m= message_text;
      select @n, @m;
      

      bb-10.7-row_number cb9002bee

      MariaDB [test]> select @n, @m;
      +------+-------------------------------------------------+
      | @n   | @m                                              |
      +------+-------------------------------------------------+
      |    0 | Column count doesn't match value count at row 1 |
      +------+-------------------------------------------------+
      1 row in set (0.001 sec)
      

      If, however, the error occurs on the 2nd or further rows, ROW_NUMBER is set all right:

      MariaDB [test]> insert into t values (1),(2,3);
      ERROR 1136 (21S01): Column count doesn't match value count at row 2
      MariaDB [test]> get diagnostics condition 1 @n= row_number, @m= message_text;
      Query OK, 0 rows affected (0.000 sec)
       
      MariaDB [test]> select @n, @m;
      +------+-------------------------------------------------+
      | @n   | @m                                              |
      +------+-------------------------------------------------+
      |    2 | Column count doesn't match value count at row 2 |
      +------+-------------------------------------------------+
      1 row in set (0.001 sec)
      

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              Assignee:
              rucha174 Rucha Deodhar
              Reporter:
              elenst Elena Stepanova
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                Updated:
                Resolved:

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