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528e85a4c0
The problem was that MySQL hadn't true ctype implementation. As a result many multibyte punctuation/whitespace characters were treated as word characters. This fix uses recently added CTYPE table for unicode character sets (WL1386) to detect unicode punctuation/whitespace characters correctly. Note: this is incompatible change since it changes parser behavior. One will have to use REPAIR TABLE statement to rebuild fulltext indexes. mysql-test/r/fulltext2.result: Testcase for BUG#19580. mysql-test/t/fulltext2.test: Testcase for BUG#19580. storage/myisam/ft_parser.c: Use WL1386 "CTYPE table for unicode character sets" functionality. storage/myisam/ft_update.c: Use WL1386 "CTYPE table for unicode character sets" functionality. Reverse fix for BUG#16489 "utf8 + fulltext leads to corrupt index file.". It is not needed anymore, since we have true ctype implementation. storage/myisam/ftdefs.h: Use WL1386 "CTYPE table for unicode character sets" functionality. Rework true_word_char macro so it accepts ctype instead of charset as first param. It doesn't use my_isalnum anymore, but instead directly checks ctype. Obsolete word_char macro removed. |
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