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  1. MariaDB Server
  2. MDEV-30774

RPAD result varies on row order

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Details

    • Bug
    • Status: Confirmed (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.5.17, 11.0.1, 10.3(EOL), 10.4(EOL), 10.5, 10.6, 10.7(EOL), 10.8(EOL), 10.9(EOL), 10.10(EOL), 10.11, 11.0(EOL)
    • 10.5, 10.6
    • Optimizer

    Description

      RPAD result incorrect on following first example. Desired result on the second run wher result order different.
      {{Server version: 11.0.1-MariaDB-1:11.0.1+maria~ubu2204 mariadb.org binary distribution

      MariaDB [beta]> select rpad('zzz',length(a),'*'),a
      -> from (
      -> select 'a' a union select 'bb' union select 'cccc'
      -> ) as a
      -> order by a
      -> ;
      -------------------------------+

      rpad('zzz',length(a),'*') a

      -------------------------------+

      z a
      z* bb
      z*** cccc

      -------------------------------+
      3 rows in set (0.001 sec)

      MariaDB [beta]> select rpad('zzz',length(a),'*'),a
      -> from (
      -> select 'a' a union select 'bb' union select 'cccc'
      ; -> ) as a
      -> order by a desc
      -> ;
      -------------------------------+

      rpad('zzz',length(a),'*') a

      -------------------------------+

      zzz* cccc
      zz bb
      z a

      -------------------------------+
      3 rows in set (0.001 sec)}}

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            serg Sergei Golubchik
            rafu Timo Raitalaakso
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              Created:
              Updated:

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