Merge polly.local:/tmp/maint/bug25137/my50-bug25137

into  polly.local:/home/kaa/src/maint/mysql-5.0-maint

mysql-test/r/ctype_cp932.result

@@ -11353,3 +11353,13 @@ a
 a
 a
 drop table t1;
+\
+\
+c_cp932
+\
+\
+\
+ソ
+ソ
+\
+\

mysql-test/r/mysql.result

@@ -61,16 +61,6 @@ database()
 test
 unlock tables;
 drop table t1;
-\
-\
-c_cp932
-\
-\
-\
-ソ
-ソ
-\
-\
 +----------------------+------------+--------+
 | concat('>',col1,'<') | col2       | col3   |
 +----------------------+------------+--------+

mysql-test/r/mysqlbinlog-cp932.result

+flush logs;
+create table t3 (f text character set utf8);
+create table t4 (f text character set cp932);
+flush logs;
+rename table t3 to t03, t4 to t04;
+select HEX(f) from t03;
+HEX(f)
+E382BD
+select HEX(f) from t3;
+HEX(f)
+E382BD
+select HEX(f) from t04;
+HEX(f)
+835C
+select HEX(f) from t4;
+HEX(f)
+835C
+drop table t3, t4, t03, t04;
+End of 5.0 tests

mysql-test/r/mysqlbinlog.result

@@ -193,23 +193,6 @@ DELIMITER ;
 ROLLBACK /* added by mysqlbinlog */;
 /*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
 flush logs;
-create table t3 (f text character set utf8);
-create table t4 (f text character set cp932);
-flush logs;
-rename table t3 to t03, t4 to t04;
-select HEX(f) from t03;
-HEX(f)
-E382BD
-select HEX(f) from t3;
-HEX(f)
-E382BD
-select HEX(f) from t04;
-HEX(f)
-835C
-select HEX(f) from t4;
-HEX(f)
-835C
-flush logs;
 select * from t5  /* must be (1),(1) */;
 a
 1
@@ -269,4 +252,5 @@ call p1();
 1
 1
 drop procedure p1;
-drop table t1, t2, t03, t04, t3, t4, t5;
+drop table t1, t2, t5;
+End of 5.0 tests

mysql-test/r/sp-ucs2.result

+drop function if exists bug17615|
+create table t3 (a varchar(256) unicode)|
+create function bug17615() returns varchar(256) unicode
+begin
+declare tmp_res varchar(256) unicode;
+set tmp_res= 'foo string';
+return tmp_res;
+end|
+insert into t3 values(bug17615())|
+select * from t3|
+a
+foo string
+drop function bug17615|
+drop table t3|

mysql-test/r/sp.result

@@ -4697,20 +4697,6 @@ Handler
 Inner
 drop procedure bug15011|
 drop table t3|
-drop function if exists bug17615|
-create table t3 (a varchar(256) unicode)|
-create function bug17615() returns varchar(256) unicode
-begin
-declare tmp_res varchar(256) unicode;
-set tmp_res= 'foo string';
-return tmp_res;
-end|
-insert into t3 values(bug17615())|
-select * from t3|
-a
-foo string
-drop function bug17615|
-drop table t3|
 drop procedure if exists bug17476|
 create table t3 ( d date )|
 insert into t3 values

mysql-test/t/ctype_cp932.test

@@ -413,3 +413,17 @@ select * from t1;
 insert into t1 values ('abc');
 select * from t1;
 drop table t1;
+
+#
+# BUG#16217 - MySQL client misinterpretes multi-byte char as escape `\' 
+#
+
+# new command \C or charset
+--exec $MYSQL --default-character-set=utf8 test -e "\C cp932 \g"
+--exec $MYSQL --default-character-set=cp932 test -e "charset utf8;"
+
+# its usage to switch internally in mysql to requested charset
+--exec $MYSQL --default-character-set=utf8 test -e "charset cp932; select '\'; create table t1 (c_cp932 TEXT CHARACTER SET cp932); insert into t1 values('\'); select * from t1;  drop table t1;"
+--exec $MYSQL --default-character-set=utf8 test -e "charset cp932; select '\'"
+--exec $MYSQL --default-character-set=utf8 test -e "/*charset cp932 */; set character_set_client= cp932; select '\'"
+--exec $MYSQL --default-character-set=utf8 test -e "/*!\C cp932 */; set character_set_client= cp932; select '\'"

mysql-test/t/ctype_ucs2_def-master.opt

---default-collation=ucs2_unicode_ci --default-character-set=ucs2
+--default-collation=ucs2_unicode_ci --default-character-set=ucs2,latin1

mysql-test/t/ctype_ucs2_def.test

+-- source include/have_ucs2.inc
+
 #
 # MySQL Bug#15276: MySQL ignores collation-server
 #

mysql-test/t/mysql.test

@@ -43,20 +43,6 @@ lock tables t1 write;
 unlock tables;
 drop table t1;
 
-#
-# BUG#16217 - MySQL client misinterpretes multi-byte char as escape `\' 
-#
-
-# new command \C or charset
---exec $MYSQL --default-character-set=utf8 test -e "\C cp932 \g"
---exec $MYSQL --default-character-set=cp932 test -e "charset utf8;"
-
-# its usage to switch internally in mysql to requested charset
---exec $MYSQL --default-character-set=utf8 test -e "charset cp932; select '\'; create table t1 (c_cp932 TEXT CHARACTER SET cp932); insert into t1 values('\'); select * from t1;  drop table t1;"
---exec $MYSQL --default-character-set=utf8 test -e "charset cp932; select '\'"
---exec $MYSQL --default-character-set=utf8 test -e "/*charset cp932 */; set character_set_client= cp932; select '\'"
---exec $MYSQL --default-character-set=utf8 test -e "/*!\C cp932 */; set character_set_client= cp932; select '\'"
-
 #
 # Bug#16859 -- NULLs in columns must not truncate data as if a C-language "string".
 #

mysql-test/t/mysqlbinlog-cp932.test

+-- source include/have_cp932.inc
+
+# Bug#16217 (mysql client did not know how not switch its internal charset)
+flush logs;
+create table t3 (f text character set utf8);
+create table t4 (f text character set cp932); 
+--exec $MYSQL --default-character-set=utf8 test -e "insert into t3 values(_utf8'ソ')"
+--exec $MYSQL --default-character-set=cp932 test -e "insert into t4 values(_cp932'\');"
+flush logs;
+rename table t3 to t03, t4 to t04;
+--exec $MYSQL_BINLOG --short-form $MYSQLTEST_VARDIR/log/master-bin.000002 | $MYSQL --default-character-set=utf8
+# original and recovered data must be equal
+select HEX(f) from t03;
+select HEX(f) from t3;
+select HEX(f) from t04;
+select HEX(f) from t4;
+
+drop table t3, t4, t03, t04;
+--echo End of 5.0 tests

mysql-test/t/mysqlbinlog.test

@@ -107,21 +107,6 @@ select "--- reading stdin --" as "";
 --replace_result $MYSQL_TEST_DIR MYSQL_TEST_DIR
 --exec $MYSQL_BINLOG --short-form --position=79 - < $MYSQL_TEST_DIR/std_data/trunc_binlog.000001
 
-# Bug#16217 (mysql client did not know how not switch its internal charset)
-flush logs;
-create table t3 (f text character set utf8);
-create table t4 (f text character set cp932); 
---exec $MYSQL --default-character-set=utf8 test -e "insert into t3 values(_utf8'ソ')"
---exec $MYSQL --default-character-set=cp932 test -e "insert into t4 values(_cp932'\');"
-flush logs;
-rename table t3 to t03, t4 to t04;
---exec $MYSQL_BINLOG --short-form $MYSQLTEST_VARDIR/log/master-bin.000004 | $MYSQL --default-character-set=utf8
-# original and recovered data must be equal
-select HEX(f) from t03;
-select HEX(f) from t3;
-select HEX(f) from t04;
-select HEX(f) from t4;
-
 #
 #BUG#14157: utf8 encoding in binlog without set character_set_client
 #
@@ -131,7 +116,7 @@ flush logs;
 # resulted binlog, parly consisting of multi-byte utf8 chars, 
 # must be digestable for both client and server. In 4.1 the client 
 # should use default-character-set same as the server.
---exec $MYSQL_BINLOG --short-form $MYSQLTEST_VARDIR/log/master-bin.000006 | $MYSQL
+--exec $MYSQL_BINLOG --short-form $MYSQLTEST_VARDIR/log/master-bin.000004 | $MYSQL
 select * from t5  /* must be (1),(1) */;
 
 #
@@ -177,6 +162,6 @@ call p1();
 drop procedure p1;
 
 # clean up
-drop table t1, t2, t03, t04, t3, t4, t5; 
+drop table t1, t2, t5; 
 
-# End of 5.0 tests
+--echo End of 5.0 tests

mysql-test/t/sp-ucs2.test

+-- source include/have_ucs2.inc
+
+delimiter |;
+
+#
+# BUG#17615: problem with character set
+#
+--disable_warnings
+drop function if exists bug17615|
+--enable_warnings
+
+create table t3 (a varchar(256) unicode)|
+
+create function bug17615() returns varchar(256) unicode
+begin
+  declare tmp_res varchar(256) unicode;
+  set tmp_res= 'foo string';
+  return tmp_res;
+end|
+
+insert into t3 values(bug17615())|
+select * from t3|
+
+drop function bug17615|
+drop table t3|
+
+
+delimiter ;|

mysql-test/t/sp.test

@@ -11,6 +11,8 @@
 # Tests that uses 'goto' to into sp-goto.test (currently disabled)
 # Tests that destroys system tables (e.g. mysql.proc) for error testing
 #   go to sp-destruct.
+# Tests that require multibyte character sets, which are not always available,
+#   go into separate files (e.g. sp-ucs2.test)
 
 use test;
 
@@ -5525,29 +5527,6 @@ drop procedure bug15011|
 drop table t3|
 
 
-#
-# BUG#17615: problem with character set
-#
---disable_warnings
-drop function if exists bug17615|
---enable_warnings
-
-create table t3 (a varchar(256) unicode)|
-
-create function bug17615() returns varchar(256) unicode
-begin
-  declare tmp_res varchar(256) unicode;
-  set tmp_res= 'foo string';
-  return tmp_res;
-end|
-
-insert into t3 values(bug17615())|
-select * from t3|
-
-drop function bug17615|
-drop table t3|
-
-
 #
 # BUG#17476: Stored procedure not returning data when it is called first
 #            time per connection

sql/mysqld.cc

@@ -2724,10 +2724,33 @@ static int init_common_variables(const char *conf_file_name, int argc,
 #ifdef USE_REGEX
   my_regex_init(&my_charset_latin1);
 #endif
-  if (!(default_charset_info= get_charset_by_csname(default_character_set_name,
-						    MY_CS_PRIMARY,
-						    MYF(MY_WME))))
-    return 1;
+  /*
+    Process a comma-separated character set list and choose
+    the first available character set. This is mostly for
+    test purposes, to be able to start "mysqld" even if
+    the requested character set is not available (see bug#18743).
+  */
+  for (;;)
+  {
+    char *next_character_set_name= strchr(default_character_set_name, ',');
+    if (next_character_set_name)
+      *next_character_set_name++= '\0';
+    if (!(default_charset_info=
+          get_charset_by_csname(default_character_set_name,
+                                MY_CS_PRIMARY, MYF(MY_WME))))
+    {
+      if (next_character_set_name)
+      {
+        default_character_set_name= next_character_set_name;
+        default_collation_name= 0;          // Ignore collation
+      }
+      else
+        return 1;                           // Eof of the list
+    }
+    else
+      break;
+  }
+
   if (default_collation_name)
   {
     CHARSET_INFO *default_collation;