diff options
-rw-r--r-- | mysql-test/r/ctype_utf8.result | 12 | ||||
-rw-r--r-- | mysql-test/t/ctype_utf8.test | 9 | ||||
-rw-r--r-- | sql/item_strfunc.cc | 15 |
3 files changed, 31 insertions, 5 deletions
diff --git a/mysql-test/r/ctype_utf8.result b/mysql-test/r/ctype_utf8.result index 599d49208e7..ebaa329891c 100644 --- a/mysql-test/r/ctype_utf8.result +++ b/mysql-test/r/ctype_utf8.result @@ -817,3 +817,15 @@ drop table t1; select 'c' like '\_' as want0; want0 0 +create table t1 (id integer, a varchar(100) character set utf8 collate utf8_unicode_ci); +insert into t1 values (1, 'Test'); +select * from t1 where soundex(a) = soundex('Test'); +id a +1 Test +select * from t1 where soundex(a) = soundex('TEST'); +id a +1 Test +select * from t1 where soundex(a) = soundex('test'); +id a +1 Test +drop table t1; diff --git a/mysql-test/t/ctype_utf8.test b/mysql-test/t/ctype_utf8.test index 42031be8f3c..214c2712665 100644 --- a/mysql-test/t/ctype_utf8.test +++ b/mysql-test/t/ctype_utf8.test @@ -666,3 +666,12 @@ drop table t1; # select 'c' like '\_' as want0; +# +# Bug #7730 Server crash using soundex on an utf8 table +# +create table t1 (id integer, a varchar(100) character set utf8 collate utf8_unicode_ci); +insert into t1 values (1, 'Test'); +select * from t1 where soundex(a) = soundex('Test'); +select * from t1 where soundex(a) = soundex('TEST'); +select * from t1 where soundex(a) = soundex('test'); +drop table t1; diff --git a/sql/item_strfunc.cc b/sql/item_strfunc.cc index 2a63c5355a4..d0190af042e 100644 --- a/sql/item_strfunc.cc +++ b/sql/item_strfunc.cc @@ -1562,9 +1562,14 @@ void Item_func_soundex::fix_length_and_dec() else return 0 */ -static char get_scode(CHARSET_INFO *cs,char *ptr) +static char soundex_toupper(char ch) { - uchar ch=my_toupper(cs,*ptr); + return (ch >= 'a' && ch <= 'z') ? ch - 'a' + 'A' : ch; +} + +static char get_scode(char *ptr) +{ + uchar ch= soundex_toupper(*ptr); if (ch < 'A' || ch > 'Z') { // Thread extended alfa (country spec) @@ -1594,8 +1599,8 @@ String *Item_func_soundex::val_str(String *str) from++; /* purecov: inspected */ if (from == end) return &my_empty_string; // No alpha characters. - *to++ = my_toupper(cs,*from); // Copy first letter - last_ch = get_scode(cs,from); // code of the first letter + *to++ = soundex_toupper(*from); // Copy first letter + last_ch = get_scode(from); // code of the first letter // for the first 'double-letter check. // Loop on input letters until // end of input (null) or output @@ -1604,7 +1609,7 @@ String *Item_func_soundex::val_str(String *str) { if (!my_isalpha(cs,*from)) continue; - ch=get_scode(cs,from); + ch=get_scode(from); if ((ch != '0') && (ch != last_ch)) // if not skipped or double { *to++ = ch; // letter, copy to output |