Bug#27877 incorrect german order in utf8_general_ci

Problem: incorrect sort order for "U+00DF SHARP S".
Fix: changing sort order for U+00DF to be equal to 's',
like the manual says.

mysql-test/include/ctype_german.inc

+#
+# Bug #27877 incorrect german order in utf8_general_ci
+#
+# Testing if "SHARP S" is equal to "S",
+# like in latin1_german1_ci, utf8_general_ci, ucs2_general_ci
+# Or if "SHART S" is equal to "SS",
+# like in latin1_german2_ci, utf8_unicode_ci, ucs2_unicode_ci
+# 
+# Also testing A-uml, O-uml, U-uml
+#
+
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+#
+# Create a table with a varchar(x) column,
+# using current values of
+# @@character_set_connection and  @@collation_connection.
+#
+
+create table t1 as select repeat(' ', 64) as s1;
+select collation(s1) from t1;
+delete from t1;
+
+#
+# Populate data
+#
+
+insert into t1 values ('a'),('ae'),(_latin1 0xE4);
+insert into t1 values ('o'),('oe'),(_latin1 0xF6);
+insert into t1 values ('s'),('ss'),(_latin1 0xDF);
+insert into t1 values ('u'),('ue'),(_latin1 0xFC);
+
+#
+# Check order
+#
+select s1, hex(s1) from t1 order by s1, binary s1;
+select group_concat(s1 order by binary s1) from t1 group by s1;
+drop table t1;

mysql-test/r/ctype_latin1_de.result

@@ -326,6 +326,41 @@ latin1_german2_ci	6109
 latin1_german2_ci	61
 latin1_german2_ci	6120
 drop table t1;
+drop table if exists t1;
+create table t1 as select repeat(' ', 64) as s1;
+select collation(s1) from t1;
+collation(s1)
+latin1_german2_ci
+delete from t1;
+insert into t1 values ('a'),('ae'),(_latin1 0xE4);
+insert into t1 values ('o'),('oe'),(_latin1 0xF6);
+insert into t1 values ('s'),('ss'),(_latin1 0xDF);
+insert into t1 values ('u'),('ue'),(_latin1 0xFC);
+select s1, hex(s1) from t1 order by s1, binary s1;
+s1	hex(s1)
+a	61
+ae	6165
+	E4
+o	6F
+oe	6F65
+	F6
+s	73
+ss	7373
+	DF
+u	75
+ue	7565
+	FC
+select group_concat(s1 order by binary s1) from t1 group by s1;
+group_concat(s1 order by binary s1)
+a
+ae,
+o
+oe,
+s
+ss,
+u
+ue,
+drop table t1;
 SET NAMES latin1;
 CREATE TABLE t1 (
 col1 varchar(255) NOT NULL default ''

mysql-test/r/ctype_uca.result

@@ -2647,6 +2647,41 @@ select c1 as c2h from t1 where c1 like 'ab#_def' escape '#';
 c2h
 ab_def
 drop table t1;
+drop table if exists t1;
+create table t1 as select repeat(' ', 64) as s1;
+select collation(s1) from t1;
+collation(s1)
+utf8_unicode_ci
+delete from t1;
+insert into t1 values ('a'),('ae'),(_latin1 0xE4);
+insert into t1 values ('o'),('oe'),(_latin1 0xF6);
+insert into t1 values ('s'),('ss'),(_latin1 0xDF);
+insert into t1 values ('u'),('ue'),(_latin1 0xFC);
+select s1, hex(s1) from t1 order by s1, binary s1;
+s1	hex(s1)
+a	61
+ä	C3A4
+ae	6165
+o	6F
+ö	C3B6
+oe	6F65
+s	73
+ss	7373
+ß	C39F
+u	75
+ü	C3BC
+ue	7565
+select group_concat(s1 order by binary s1) from t1 group by s1;
+group_concat(s1 order by binary s1)
+a,ä
+ae
+o,ö
+oe
+s
+ss,ß
+u,ü
+ue
+drop table t1;
 CREATE TABLE t1 (id int, a varchar(30) character set utf8);
 INSERT INTO t1 VALUES (1, _ucs2 0x01310069), (2, _ucs2 0x01310131);
 INSERT INTO t1 VALUES (3, _ucs2 0x00690069), (4, _ucs2 0x01300049);

mysql-test/r/ctype_ucs.result

@@ -613,6 +613,41 @@ select c1 as c2h from t1 where c1 like 'ab#_def' escape '#';
 c2h
 ab_def
 drop table t1;
+drop table if exists t1;
+create table t1 as select repeat(' ', 64) as s1;
+select collation(s1) from t1;
+collation(s1)
+ucs2_general_ci
+delete from t1;
+insert into t1 values ('a'),('ae'),(_latin1 0xE4);
+insert into t1 values ('o'),('oe'),(_latin1 0xF6);
+insert into t1 values ('s'),('ss'),(_latin1 0xDF);
+insert into t1 values ('u'),('ue'),(_latin1 0xFC);
+select s1, hex(s1) from t1 order by s1, binary s1;
+s1	hex(s1)
+a	0061
+	00E4
+ae	00610065
+o	006F
+	00F6
+oe	006F0065
+s	0073
+	00DF
+ss	00730073
+u	0075
+	00FC
+ue	00750065
+select group_concat(s1 order by binary s1) from t1 group by s1;
+group_concat(s1 order by binary s1)
+a,
+ae
+o,
+oe
+s,
+ss
+u,
+ue
+drop table t1;
 SET NAMES latin1;
 SET collation_connection='ucs2_bin';
 create table t1 select repeat('a',4000) a;

mysql-test/r/ctype_utf8.result

@@ -939,6 +939,41 @@ select c1 as c2h from t1 where c1 like 'ab#_def' escape '#';
 c2h
 ab_def
 drop table t1;
+drop table if exists t1;
+create table t1 as select repeat(' ', 64) as s1;
+select collation(s1) from t1;
+collation(s1)
+utf8_general_ci
+delete from t1;
+insert into t1 values ('a'),('ae'),(_latin1 0xE4);
+insert into t1 values ('o'),('oe'),(_latin1 0xF6);
+insert into t1 values ('s'),('ss'),(_latin1 0xDF);
+insert into t1 values ('u'),('ue'),(_latin1 0xFC);
+select s1, hex(s1) from t1 order by s1, binary s1;
+s1	hex(s1)
+a	61
+ä	C3A4
+ae	6165
+o	6F
+ö	C3B6
+oe	6F65
+s	73
+ß	C39F
+ss	7373
+u	75
+ü	C3BC
+ue	7565
+select group_concat(s1 order by binary s1) from t1 group by s1;
+group_concat(s1 order by binary s1)
+a,ä
+ae
+o,ö
+oe
+s,ß
+ss
+u,ü
+ue
+drop table t1;
 SET collation_connection='utf8_bin';
 create table t1 select repeat('a',4000) a;
 delete from t1;

mysql-test/t/ctype_latin1_de.test

@@ -116,6 +116,7 @@ SELECT FIELD('ue',s1), FIELD('
 DROP TABLE t1;
 
 -- source include/ctype_filesort.inc
+-- source include/ctype_german.inc
 
 #
 # Bug#7878 with utf8_general_ci, equals (=) has problem with

mysql-test/t/ctype_uca.test

@@ -458,6 +458,7 @@ drop table t1;
 SET collation_connection='utf8_unicode_ci';
 -- source include/ctype_filesort.inc
 -- source include/ctype_like_escape.inc
+-- source include/ctype_german.inc
 
 # End of 4.1 tests
 

mysql-test/t/ctype_ucs.test

@@ -373,6 +373,7 @@ drop table t1;
 SET collation_connection='ucs2_general_ci';
 -- source include/ctype_filesort.inc
 -- source include/ctype_like_escape.inc
+-- source include/ctype_german.inc
 SET NAMES latin1;
 SET collation_connection='ucs2_bin';
 -- source include/ctype_filesort.inc

mysql-test/t/ctype_utf8.test

@@ -721,6 +721,7 @@ select hex(soundex(_utf8 0xD091D092D093));
 SET collation_connection='utf8_general_ci';
 -- source include/ctype_filesort.inc
 -- source include/ctype_like_escape.inc
+-- source include/ctype_german.inc
 SET collation_connection='utf8_bin';
 -- source include/ctype_filesort.inc
 -- source include/ctype_like_escape.inc

strings/ctype-utf8.c

@@ -155,7 +155,7 @@ static MY_UNICASE_INFO plane00[]={
   {0x00D8,0x00F8,0x00D8},  {0x00D9,0x00F9,0x0055},
   {0x00DA,0x00FA,0x0055},  {0x00DB,0x00FB,0x0055},
   {0x00DC,0x00FC,0x0055},  {0x00DD,0x00FD,0x0059},
-  {0x00DE,0x00FE,0x00DE},  {0x00DF,0x00DF,0x00DF},
+  {0x00DE,0x00FE,0x00DE},  {0x00DF,0x00DF,0x0053},
   {0x00C0,0x00E0,0x0041},  {0x00C1,0x00E1,0x0041},
   {0x00C2,0x00E2,0x0041},  {0x00C3,0x00E3,0x0041},
   {0x00C4,0x00E4,0x0041},  {0x00C5,0x00E5,0x0041},