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  1. MariaDB Server
  2. MDEV-41268

SIGNAL with MYSQL_ERRNO in 5001..5027 reaches the client as ERROR 2027 "Received malformed packet" instead of the signalled error

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Details

    • Can result in unexpected behaviour

    Description

      SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT='x', MYSQL_ERRNO=5001;
      		 
        -- actual:   ERROR 2027 (HY000): Received malformed packet
      		 
        -- expected: ERROR 5001 (45000): x

      CLI Output

      13.1.1-opt>SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT='x', MYSQL_ERRNO=5001;
      		 
      ERROR 2027 (HY000): Received malformed packet
      		 
      13.1.1-opt>
      		 
       
      		 
      13.1.1-opt>SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT='x', MYSQL_ERRNO=4099;
      		 
      ERROR 4099 (45000): x
      		 
      13.1.1-opt>
      		 
       
      		 
      13.1.1-opt>SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT='x', MYSQL_ERRNO=5027;
      		 
      ERROR 2027 (HY000): Received malformed packet
      		 
      13.1.1-opt>
      		 
       
      		 
      13.1.1-opt>SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT='x', MYSQL_ERRNO=5028;
      		 
      ERROR 5028 (45000): x
      		 
      13.1.1-opt>

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            rucha174 Rucha Deodhar
            ramesh Ramesh Sivaraman
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