SET CHARACTER SET koi8r;

--disable_warnings
DROP TABLE IF EXISTS , t1, t2;
--enable_warnings

SET CHARACTER SET koi8r;
CREATE TABLE t1 (a CHAR(10) CHARACTER SET cp1251) SELECT _koi8r'' AS a;
CREATE TABLE t2 (a CHAR(10) CHARACTER SET utf8);
SHOW CREATE TABLE t1;
SELECT a FROM t1;
SELECT HEX(a) FROM t1;
INSERT t2 SELECT * FROM t1;
SELECT HEX(a) FROM t2;
DROP TABLE t1, t2;


#
# Check that long strings conversion does not fail (bug#2218)
#
CREATE TABLE t1 (description text character set cp1250 NOT NULL);
INSERT INTO t1 (description) VALUES (_latin2'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaasssssssssssaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbcccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddde');
SELECT description FROM t1;
DROP TABLE t1;

# same with TEXT
CREATE TABLE t1 (a TEXT CHARACTER SET cp1251) SELECT _koi8r'' AS a;
CREATE TABLE t2 (a TEXT CHARACTER SET utf8);
SHOW CREATE TABLE t1;
SELECT HEX(a) FROM t1;
INSERT t2 SELECT * FROM t1;
SELECT HEX(a) FROM t2;
DROP TABLE t1, t2;

CREATE TABLE ``
(
   CHAR(32) CHARACTER SET koi8r NOT NULL COMMENT " "
) COMMENT " ";

SHOW TABLES;
SHOW CREATE TABLE ;
SHOW FIELDS FROM ;

SET CHARACTER SET cp1251;
SHOW TABLES;
SHOW CREATE TABLE ;
SHOW FIELDS FROM ;


SET CHARACTER SET utf8;
SHOW TABLES;
SHOW CREATE TABLE таблица;
SHOW FIELDS FROM таблица;

SET CHARACTER SET koi8r;
DROP TABLE ;
SET CHARACTER SET default;

# Test for Item_func_conv_charset::fix_fields (bug #3704)
SET NAMES UTF8;
CREATE TABLE t1 (t text) DEFAULT CHARSET UTF8;
INSERT INTO t1 (t) VALUES ('x');
SELECT 1 FROM t1 WHERE CONCAT(_latin1'x') = t;
DROP TABLE t1;

SET CHARACTER SET koi8r;
CREATE DATABASE ;
USE ;
SHOW TABLES;
SHOW TABLES IN ;
SET CHARACTER SET cp1251;
SHOW TABLES;
SHOW TABLES IN ;
SET CHARACTER SET koi8r;
DROP DATABASE ;

SET NAMES koi8r;
SELECT hex('');
SET character_set_connection=cp1251;
SELECT hex('');

USE test;

# Bug#4417
# Check that identifiers and strings are not converted 
# when the client character set is binary.

SET NAMES binary;
CREATE TABLE `тест` (`тест` int);
SHOW CREATE TABLE `тест`;
SET NAMES utf8;
SHOW CREATE TABLE `тест`;
DROP TABLE `тест`;
SET NAMES binary;
SET character_set_connection=utf8;
SELECT 'тест' as s;
SET NAMES utf8;
SET character_set_connection=binary;
SELECT 'тест' as s;

# Bug#4417, another aspect:
# Check that both "SHOW CREATE TABLE" and "SHOW COLUMNS"
# return column names and default values in UTF8 after "SET NAMES BINARY"

SET NAMES latin1;
CREATE TABLE t1 (`` CHAR(128) DEFAULT '', `1` ENUM('1','2') DEFAULT '2');
SHOW CREATE TABLE t1;
SHOW COLUMNS FROM t1;
SET NAMES binary;
SHOW CREATE TABLE t1;
SHOW COLUMNS FROM t1;
DROP TABLE t1;


#
# Test that we allow only well-formed UTF8 identitiers
#
SET NAMES binary;
--error 1300
CREATE TABLE `good` (a int);
SET NAMES utf8;
--error 1300
CREATE TABLE `good` (a int);


#
# Test that we produce a warnign when conversion loses data.
#
set names latin1;
create table t1 (a char(10) character set koi8r, b text character set koi8r);
insert into t1 values ('test','test');
insert into t1 values ('','');
drop table t1;

#
# Try to  apply an automatic conversion in some cases:
# E.g. when mixing a column to a string, the string
# is converted into the column character set.
# If conversion loses data, then error. Otherwise,
# the string is replaced by its converted representation
#
set names koi8r;
create table t1 (a char(10) character set cp1251);
insert into t1 values (_koi8r'');
# this is possible:
select * from t1 where a=_koi8r'';
# this is possible, because we have a function with constant arguments:
select * from t1 where a=concat(_koi8r'');
# this is not posible, cannot convert _latin1'' into cp1251:
--error 1267
select * from t1 where a=_latin1'';
drop table t1;
set names latin1;

#
# Test the same with ascii
#
set names ascii;
create table t1 (a char(1) character set latin1);
insert into t1 values ('a');
select * from t1 where a='a';
drop table t1;
set names latin1;

#
# Bug#10446 Illegal mix of collations
#
create table t1 (a char(10) character set utf8 collate utf8_bin);
insert into t1 values ('       xxx');
select * from t1 where a=lpad('xxx',10,' ');
drop table t1;

#
# Check more automatic conversion
#
set names koi8r;
create table t1 (c1 char(10) character set cp1251);
insert into t1 values ('');
select c1 from t1 where c1 between '' and '';
select ifnull(c1,''), ifnull(null,c1) from t1;
select if(1,c1,''), if(0,c1,'') from t1;
select coalesce('',c1), coalesce(null,c1) from t1;
select least(c1,''), greatest(c1,'') from t1;
select locate(c1,''), locate('',c1) from t1;
select field(c1,''),field('',c1) from t1;
select concat(c1,''), concat('',c1) from t1;
select concat_ws(c1,'',''), concat_ws('',c1,'') from t1;
select replace(c1,'',''), replace('',c1,'') from t1;
select substring_index(c1,'',2) from t1;
select elt(1,c1,''),elt(1,'',c1) from t1;
select make_set(3,c1,''), make_set(3,'',c1) from t1;
select insert(c1,1,2,''),insert('',1,2,c1) from t1;
select trim(c1 from ''),trim('' from c1) from t1;
select lpad(c1,3,''), lpad('',3,c1) from t1;
select rpad(c1,3,''), rpad('',3,c1) from t1;
# TODO
#select case c1 when '' then '' when '' then '' else 'c' end from t1;
#select export_set(5,c1,''), export_set(5,'',c1) from t1;
drop table t1;
 
#
# Bug 20695: problem with field default value's character set
#

set names koi8r;
create table t1(a char character set cp1251 default _koi8r 0xFF);
show create table t1;
drop table t1;
--error 1067
create table t1(a char character set latin1 default _cp1251 0xFF);

--echo End of 4.1 tests

SET CHARACTER SET DEFAULT;
--echo #
--echo # LP BUG#944504 Item_func_conv_charset tries to execute subquery constant
--echo # 
SET optimizer_switch = 'in_to_exists=on';
SET character_set_connection = utf8;
CREATE TABLE t1 ( a VARCHAR(1) );
INSERT INTO t1 VALUES ('m'),('n');
CREATE VIEW v1 AS SELECT 'w' ;
SELECT * FROM t1 WHERE a < ALL ( SELECT * FROM v1 );
drop view v1;
drop table t1;
SET character_set_connection = default;
SET optimizer_switch= default;

--echo #End of 5.3 tests

--echo #
--echo # Start of 5.5 tests
--echo #

--echo #
--echo # MDEV-10181 Illegal mix of collation for a field and an ASCII string as a view field
--echo #
SET NAMES utf8;
CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET latin1);
INSERT INTO t1 VALUES ('A'),('a'),('B'),('b');
CREATE VIEW v1 AS SELECT 'a';
SELECT * FROM v1,t1 where t1.a=v1.a;
DROP VIEW v1;
DROP TABLE t1;

SET NAMES utf8;
CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET latin1);
INSERT INTO t1 VALUES ('a'),('b'),('c');
CREATE VIEW v1 AS SELECT 'a' AS a UNION SELECT 'b';
SELECT * FROM v1,t1 WHERE t1.a=v1.a;
DROP VIEW v1;
DROP TABLE t1;

--echo #
--echo # End of 5.5 tests
--echo #