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CSC#4385: slow sorting for UTF8 large table:

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my_strnxfrm_utf8 now requires 2 bytes per character
in filesort key, instead of 3 bytes per character.
Shorter filesort keys make sorting faster.
This commit is contained in:
unknown 2005-01-26 16:34:09 +04:00
commit 9bb464487d
20 changed files with 58 additions and 16 deletions
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1
strings/ctype-cp932.c
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@ -5454,6 +5454,7 @@ static MY_COLLATION_HANDLER my_collation_ci_handler =
my_strnncoll_cp932,
my_strnncollsp_cp932,
my_strnxfrm_cp932,
my_strnxfrmlen_simple,
my_like_range_cp932,
my_wildcmp_mb, /* wildcmp */
my_strcasecmp_8bit,