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  1. MariaDB Server
  2. MDEV-10657

incorrect result returned with binary protocol (prepared statements)

Details

    • 10.2.11, 10.2.12

    Description

      runnig following test suite with and without --ps-protocol produce different results.

      create table  DUPPP (code varchar(10) primary key);
      		 
      INSERT INTO DUPPP(code) VALUES ('LINE1'), ('LINE2'), ('LINE3');
      		 
      SELECT X.* FROM (SELECT CODE, RN FROM (SELECT A.CODE, @cnt := @cnt + 1 AS RN FROM  DUPPP A, (SELECT @cnt := 0) C) T) X;
      		 
      drop table DUPP;

      normal execution:

      CODE	RN
      		 
      LINE1	1
      		 
      LINE2	2
      		 
      LINE3	3

      with --ps-protocol:

      CODE	RN
      		 
      LINE3	3
      		 
      LINE3	3
      		 
      LINE3	3

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        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. CONJ-338 Inconsistent/wrong resultset when using variables and nested selects

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

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              sanja Oleksandr Byelkin
              sanja Oleksandr Byelkin
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                Updated:
                Resolved:

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