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(mysql.info)String collating


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String Collating Support
------------------------

If the sorting rules for your language are too complex to be handled
with the simple `sort_order[]' table, you need to use the string
collating functions.

Right now the best documentation on this is the character sets that are
already implemented.  Look at the big5, czech, gbk, sjis, and tis160
character sets for examples.

You must specify the `strxfrm_multiply_MYSET=N' value in the special
comment at the top of the file.  `N' should be set to the maximum ratio
the strings may grow during `my_strxfrm_MYSET' (it must be a positive
integer).


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