diff options
| -rw-r--r-- | mysql-test/r/ctype_utf8.result | 18 | ||||
| -rw-r--r-- | mysql-test/t/ctype_utf8.test | 10 | ||||
| -rw-r--r-- | sql/item_timefunc.cc | 6 |
3 files changed, 31 insertions, 3 deletions
diff --git a/mysql-test/r/ctype_utf8.result b/mysql-test/r/ctype_utf8.result index 6f4ae965ca0..4c21e66a39c 100644 --- a/mysql-test/r/ctype_utf8.result +++ b/mysql-test/r/ctype_utf8.result @@ -1848,6 +1848,24 @@ select hex(_utf8 B'001111111111'); ERROR HY000: Invalid utf8 character string: 'FF' select (_utf8 X'616263FF'); ERROR HY000: Invalid utf8 character string: 'FF' +# +# Bug#44131 Binary-mode "order by" returns records in incorrect order for UTF-8 strings +# +CREATE TABLE t1 (id int not null primary key, name varchar(10)) character set utf8; +INSERT INTO t1 VALUES +(2,'一二三01'),(3,'一二三09'),(4,'一二三02'),(5,'一二三08'), +(6,'一二三11'),(7,'一二三91'),(8,'一二三21'),(9,'一二三81'); +SELECT * FROM t1 ORDER BY BINARY(name); +id name +2 一二三01 +4 一二三02 +5 一二三08 +3 一二三09 +6 一二三11 +8 一二三21 +9 一二三81 +7 一二三91 +DROP TABLE t1; CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL); INSERT INTO t1 VALUES (70000, 1092), (70001, 1085), (70002, 1065); SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b; diff --git a/mysql-test/t/ctype_utf8.test b/mysql-test/t/ctype_utf8.test index f0c769251cf..23c83310886 100644 --- a/mysql-test/t/ctype_utf8.test +++ b/mysql-test/t/ctype_utf8.test @@ -1440,6 +1440,16 @@ select hex(_utf8 B'001111111111'); --error ER_INVALID_CHARACTER_STRING select (_utf8 X'616263FF'); +--echo # +--echo # Bug#44131 Binary-mode "order by" returns records in incorrect order for UTF-8 strings +--echo # +CREATE TABLE t1 (id int not null primary key, name varchar(10)) character set utf8; +INSERT INTO t1 VALUES +(2,'一二三01'),(3,'一二三09'),(4,'一二三02'),(5,'一二三08'), +(6,'一二三11'),(7,'一二三91'),(8,'一二三21'),(9,'一二三81'); +SELECT * FROM t1 ORDER BY BINARY(name); +DROP TABLE t1; + # # Bug #36772: When using UTF8, CONVERT with GROUP BY returns truncated results # diff --git a/sql/item_timefunc.cc b/sql/item_timefunc.cc index b293145cc27..ded4d28ca29 100644 --- a/sql/item_timefunc.cc +++ b/sql/item_timefunc.cc @@ -2554,9 +2554,9 @@ void Item_char_typecast::fix_length_and_dec() from_cs != &my_charset_bin && cast_cs != &my_charset_bin); collation.set(cast_cs, DERIVATION_IMPLICIT); - char_length= (cast_length >= 0) ? - cast_length : - args[0]->max_length / args[0]->collation.collation->mbmaxlen; + char_length= (cast_length >= 0) ? cast_length : + args[0]->max_length / + (cast_cs == &my_charset_bin ? 1 : args[0]->collation.collation->mbmaxlen); max_length= char_length * cast_cs->mbmaxlen; } |