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  1. MariaDB Server
  2. MDEV-26698

Incorrect row number upon INSERT .. SELECT from the same table: rows are counted twice

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      Description

      When INSERT .. SELECT produces an error/warning which reports the number of the problematic row, this number is wrong when SELECT is performed from the same table.

      create or replace table t (a tinyint);
      insert into t values (1),(100);
      insert into t select a*2 from t;
      

      10.7 d552e092c9f3

      MariaDB [test]> insert into t select a*2 from t;
      ERROR 1264 (22003): Out of range value for column 'a' at row 4
      

      Consequently, ERROR_INDEX from MDEV-10075 is also wrong.

      If the the same values are insert-selected from a different table, the counter is correct:

      MariaDB [test]> create or replace table tmp select * from t;
      Query OK, 2 rows affected (0.044 sec)
      Records: 2  Duplicates: 0  Warnings: 0
       
      MariaDB [test]> insert into t select a*2 from tmp;
      ERROR 1264 (22003): Out of range value for column 'a' at row 2
      

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

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