292
292
const CHARSET_INFO * const cs= key_part->field->charset();
293
293
uint char_length= key_part->length / cs->mbmaxlen;
295
295
if (length > char_length)
297
297
char_length= my_charpos(cs, pos, pos + length, char_length);
298
298
set_if_smaller(char_length, length);
300
300
if (cs->coll->strnncollsp(cs,