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WL#5252: Deprecate --optimizer_search_depth=63

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Add deprecation warning when variable optimizer_search_depth is given
the value 63.
      
  mysql-test/r/greedy_optimizer.result
    Updated with warning text.
  mysql-test/r/mysqld--help-notwin.result
    Updated with warning from mysqld --help --verbose.
  mysql-test/r/mysqld--help-win.result
    Updated with warning from mysqld --help --verbose.
  sql/sys_vars.cc
    Added an update check function to the constructor invocation for
    the optimizer_search_depth variable. The function emits a
    warning message for the value 63.
This commit is contained in:
Roy Lyseng
2010-03-01 17:31:02 +01:00
parent c33547ee51
commit 9302df9131
4 changed files with 24 additions and 7 deletions
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2
mysql-test/r/greedy_optimizer.result
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@ -115,6 +115,8 @@ select @@optimizer_prune_level;
@@optimizer_prune_level
1
set optimizer_search_depth=63;
Warnings:
Warning 1287 'optimizer-search-depth=63' is deprecated and will be removed in a future release. Please use a search depth less than 63 instead
select @@optimizer_search_depth;
@@optimizer_search_depth
63