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(mysql.info)News-3.20.18

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Changes in release 3.20.18
--------------------------

   * Added `-p#' (remove `#' directories from path) to `isamlog'.  All
     files are written with a relative path from the database directory
     Now `mysqld' shouldn't crash on shutdown when using the
     `--log-isam' option.

   * New `mysqlperl' version. It is now compatible with `msqlperl-0.63'.

   * New `DBD' module available at
     `http://www.mysql.com/Downloads/Contrib/' site.

   * Added group function `STD()' (standard deviation).

   * The `mysqld' server is now compiled by default without debugging
     information.  This will make the daemon smaller and faster.

   * Now one usually only has to specify the `--basedir' option to
     `mysqld'. All other paths are relative in a normal installation.

   * `BLOB' columns sometimes contained garbage when used with a
     `SELECT' on more than one table and `ORDER BY'.

   * Fixed that calculations that are not in `GROUP BY' work as expected
     (ANSI SQL extension).  Example:
          mysql> SELECT id,id+1 FROM table GROUP BY id;

   * The test of using `MYSQL_PWD' was reversed. Now `MYSQL_PWD' is
     enabled as default in the default release.

   * Fixed conversion bug which caused `mysqld' to core dump with
     Arithmetic error on Sparc-386.

   * Added `--unbuffered' option to `mysql', for new `mysqlaccess'.

   * When using overlapping (unnecessary) keys and join over many
     tables, the optimizer could get confused and return 0 records.