DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
DROP TABLE IF EXISTS t3;
DROP TABLE IF EXISTS t4;
SET NAMES ujis;
SET character_set_database = ujis;
CREATE TABLE t1(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = InnoDB;
CREATE TABLE t2(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = InnoDB;
CREATE TABLE t3(
`ｱ`  char(1),
`あ` char(1),
`龔` char(1)
)DEFAULT CHARSET = ujis ENGINE = InnoDB;
CREATE TABLE t4(c1 char(1)) DEFAULT CHARSET = ujis ENGINE = InnoDB;
INSERT INTO t1 VALUES ('xxx');
INSERT INTO t2 VALUES ('ｱあ龔');
INSERT INTO t3 VALUES ('x','x','x'),('x','x','x'),('y','y','y'),('y','y','y'),('z','z','z'),('z','z','z');
INSERT INTO t4 VALUES ('ｱ'),('あ'),('龔');
PREPARE stmt1 FROM 'SELECT ? FROM t3';
PREPARE stmt2 FROM 'SELECT * FROM t3 ORDER BY ?';
PREPARE stmt3 FROM 'SELECT COUNT(*) FROM t3 GROUP BY ?';
PREPARE stmt4 FROM 'SELECT CHAR_LENGTH(?)';
PREPARE stmt5 FROM 'SELECT CHARSET(?)';
PREPARE stmt6 FROM 'SELECT INSERT(c1,1,1,?) FROM t1';
PREPARE stmt7 FROM 'SELECT INSTR(c1,?) FROM t2';
PREPARE stmt8 FROM 'SELECT LOCATE(?,c1) FROM t2';
PREPARE stmt9 FROM 'SELECT LPAD(c1,9,?) FROM t1';
PREPARE stmt10 FROM 'SELECT REPLACE(c1,?,\'x\') FROM t2';
PREPARE stmt11 FROM 'SELECT REPLACE(c1,\'x\',?) FROM t1';
PREPARE stmt12 FROM 'SELECT RPAD(c1,9,?) FROM t1';
PREPARE stmt13 FROM 'UPDATE t4 SET c1=\'x\' WHERE c1=?';
PREPARE stmt14 FROM 'UPDATE t4 SET c1=? WHERE c1=\'x\'';
SET @arg = 'ｱ';
EXECUTE stmt1 USING @arg;
?
ｱ
ｱ
ｱ
ｱ
ｱ
ｱ
EXECUTE stmt2 USING @arg;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
EXECUTE stmt3 USING @arg;
COUNT(*)
6
EXECUTE stmt4 USING @arg;
CHAR_LENGTH(?)
1
EXECUTE stmt5 USING @arg;
CHARSET(?)
ujis
EXECUTE stmt6 USING @arg;
INSERT(c1,1,1,?)
ｱxx
EXECUTE stmt7 USING @arg;
INSTR(c1,?)
1
EXECUTE stmt8 USING @arg;
LOCATE(?,c1)
1
EXECUTE stmt9 USING @arg;
LPAD(c1,9,?)
ｱｱｱｱｱｱxxx
EXECUTE stmt10 USING @arg;
REPLACE(c1,?,'x')
xあ龔
EXECUTE stmt11 USING @arg;
REPLACE(c1,'x',?)
ｱｱｱ
EXECUTE stmt12 USING @arg;
RPAD(c1,9,?)
xxxｱｱｱｱｱｱ
EXECUTE stmt13 USING @arg;
SELECT * FROM t4;
c1
x
あ
龔
EXECUTE stmt14 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
龔
SET @arg = 'あ';
EXECUTE stmt1 USING @arg;
?
あ
あ
あ
あ
あ
あ
EXECUTE stmt2 USING @arg;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
EXECUTE stmt3 USING @arg;
COUNT(*)
6
EXECUTE stmt4 USING @arg;
CHAR_LENGTH(?)
1
EXECUTE stmt5 USING @arg;
CHARSET(?)
ujis
EXECUTE stmt6 USING @arg;
INSERT(c1,1,1,?)
あxx
EXECUTE stmt7 USING @arg;
INSTR(c1,?)
2
EXECUTE stmt8 USING @arg;
LOCATE(?,c1)
2
EXECUTE stmt9 USING @arg;
LPAD(c1,9,?)
ああああああxxx
EXECUTE stmt10 USING @arg;
REPLACE(c1,?,'x')
ｱx龔
EXECUTE stmt11 USING @arg;
REPLACE(c1,'x',?)
あああ
EXECUTE stmt12 USING @arg;
RPAD(c1,9,?)
xxxああああああ
EXECUTE stmt13 USING @arg;
SELECT * FROM t4;
c1
ｱ
x
龔
EXECUTE stmt14 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
龔
SET @arg = '龔';
EXECUTE stmt1 USING @arg;
?
龔
龔
龔
龔
龔
龔
EXECUTE stmt2 USING @arg;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
EXECUTE stmt3 USING @arg;
COUNT(*)
6
EXECUTE stmt4 USING @arg;
CHAR_LENGTH(?)
1
EXECUTE stmt5 USING @arg;
CHARSET(?)
ujis
EXECUTE stmt6 USING @arg;
INSERT(c1,1,1,?)
龔xx
EXECUTE stmt7 USING @arg;
INSTR(c1,?)
3
EXECUTE stmt8 USING @arg;
LOCATE(?,c1)
3
EXECUTE stmt9 USING @arg;
LPAD(c1,9,?)
龔龔龔龔龔龔xxx
EXECUTE stmt10 USING @arg;
REPLACE(c1,?,'x')
ｱあx
EXECUTE stmt11 USING @arg;
REPLACE(c1,'x',?)
龔龔龔
EXECUTE stmt12 USING @arg;
RPAD(c1,9,?)
xxx龔龔龔龔龔龔
EXECUTE stmt13 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
x
EXECUTE stmt14 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
龔
DEALLOCATE PREPARE stmt1;
DEALLOCATE PREPARE stmt2;
DEALLOCATE PREPARE stmt3;
DEALLOCATE PREPARE stmt4;
DEALLOCATE PREPARE stmt5;
DEALLOCATE PREPARE stmt6;
DEALLOCATE PREPARE stmt7;
DEALLOCATE PREPARE stmt8;
DEALLOCATE PREPARE stmt9;
DEALLOCATE PREPARE stmt10;
DEALLOCATE PREPARE stmt11;
DEALLOCATE PREPARE stmt12;
DEALLOCATE PREPARE stmt13;
DEALLOCATE PREPARE stmt14;
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
DROP TABLE t4;
CREATE TABLE t1(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = MyISAM;
CREATE TABLE t2(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = MyISAM;
CREATE TABLE t3(
`ｱ` char(1),
`あ` char(1),
`龔` char(1)
)DEFAULT CHARSET = ujis ENGINE = MyISAM;
CREATE TABLE t4(c1 char(1)) DEFAULT CHARSET = ujis ENGINE = MyISAM;
INSERT INTO t1 VALUES ('xxx');
INSERT INTO t2 VALUES ('ｱあ龔');
INSERT INTO t3 VALUES ('x','x','x'),('x','x','x'),('y','y','y'),('y','y','y'),('z','z','z'),('z','z','z');
INSERT INTO t4 VALUES ('ｱ'),('あ'),('龔' );
PREPARE stmt1 FROM 'SELECT ? FROM t3';
PREPARE stmt2 FROM 'SELECT * FROM t3 ORDER BY ?';
PREPARE stmt3 FROM 'SELECT COUNT(*) FROM t3 GROUP BY ?';
PREPARE stmt4 FROM 'SELECT CHAR_LENGTH(?)';
PREPARE stmt5 FROM 'SELECT CHARSET(?)';
PREPARE stmt6 FROM 'SELECT INSERT(c1,1,1,?) FROM t1';
PREPARE stmt7 FROM 'SELECT INSTR(c1,?) FROM t2';
PREPARE stmt8 FROM 'SELECT LOCATE(?,c1) FROM t2';
PREPARE stmt9 FROM 'SELECT LPAD(c1,9,?) FROM t1';
PREPARE stmt10 FROM 'SELECT REPLACE(c1,?,\'x\') FROM t2';
PREPARE stmt11 FROM 'SELECT REPLACE(c1,\'x\',?) FROM t1';
PREPARE stmt12 FROM 'SELECT RPAD(c1,9,?) FROM t1';
PREPARE stmt13 FROM 'UPDATE t4 SET c1=\'x\' WHERE c1=?';
PREPARE stmt14 FROM 'UPDATE t4 SET c1=? WHERE c1=\'x\'';
SET @arg = 'ｱ';
EXECUTE stmt1 USING @arg;
?
ｱ
ｱ
ｱ
ｱ
ｱ
ｱ
EXECUTE stmt2 USING @arg;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
EXECUTE stmt3 USING @arg;
COUNT(*)
6
EXECUTE stmt4 USING @arg;
CHAR_LENGTH(?)
1
EXECUTE stmt5 USING @arg;
CHARSET(?)
ujis
EXECUTE stmt6 USING @arg;
INSERT(c1,1,1,?)
ｱxx
EXECUTE stmt7 USING @arg;
INSTR(c1,?)
1
EXECUTE stmt8 USING @arg;
LOCATE(?,c1)
1
EXECUTE stmt9 USING @arg;
LPAD(c1,9,?)
ｱｱｱｱｱｱxxx
EXECUTE stmt10 USING @arg;
REPLACE(c1,?,'x')
xあ龔
EXECUTE stmt11 USING @arg;
REPLACE(c1,'x',?)
ｱｱｱ
EXECUTE stmt12 USING @arg;
RPAD(c1,9,?)
xxxｱｱｱｱｱｱ
EXECUTE stmt13 USING @arg;
SELECT * FROM t4;
c1
x
あ
龔
EXECUTE stmt14 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
龔
SET @arg = 'あ';
EXECUTE stmt1 USING @arg;
?
あ
あ
あ
あ
あ
あ
EXECUTE stmt2 USING @arg;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
EXECUTE stmt3 USING @arg;
COUNT(*)
6
EXECUTE stmt4 USING @arg;
CHAR_LENGTH(?)
1
EXECUTE stmt5 USING @arg;
CHARSET(?)
ujis
EXECUTE stmt6 USING @arg;
INSERT(c1,1,1,?)
あxx
EXECUTE stmt7 USING @arg;
INSTR(c1,?)
2
EXECUTE stmt8 USING @arg;
LOCATE(?,c1)
2
EXECUTE stmt9 USING @arg;
LPAD(c1,9,?)
ああああああxxx
EXECUTE stmt10 USING @arg;
REPLACE(c1,?,'x')
ｱx龔
EXECUTE stmt11 USING @arg;
REPLACE(c1,'x',?)
あああ
EXECUTE stmt12 USING @arg;
RPAD(c1,9,?)
xxxああああああ
EXECUTE stmt13 USING @arg;
SELECT * FROM t4;
c1
ｱ
x
龔
EXECUTE stmt14 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
龔
SET @arg = '龔';
EXECUTE stmt1 USING @arg;
?
龔
龔
龔
龔
龔
龔
EXECUTE stmt2 USING @arg;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
EXECUTE stmt3 USING @arg;
COUNT(*)
6
EXECUTE stmt4 USING @arg;
CHAR_LENGTH(?)
1
EXECUTE stmt5 USING @arg;
CHARSET(?)
ujis
EXECUTE stmt6 USING @arg;
INSERT(c1,1,1,?)
龔xx
EXECUTE stmt7 USING @arg;
INSTR(c1,?)
3
EXECUTE stmt8 USING @arg;
LOCATE(?,c1)
3
EXECUTE stmt9 USING @arg;
LPAD(c1,9,?)
龔龔龔龔龔龔xxx
EXECUTE stmt10 USING @arg;
REPLACE(c1,?,'x')
ｱあx
EXECUTE stmt11 USING @arg;
REPLACE(c1,'x',?)
龔龔龔
EXECUTE stmt12 USING @arg;
RPAD(c1,9,?)
xxx龔龔龔龔龔龔
EXECUTE stmt13 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
x
EXECUTE stmt14 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
龔
DEALLOCATE PREPARE stmt1;
DEALLOCATE PREPARE stmt2;
DEALLOCATE PREPARE stmt3;
DEALLOCATE PREPARE stmt4;
DEALLOCATE PREPARE stmt5;
DEALLOCATE PREPARE stmt6;
DEALLOCATE PREPARE stmt7;
DEALLOCATE PREPARE stmt8;
DEALLOCATE PREPARE stmt9;
DEALLOCATE PREPARE stmt10;
DEALLOCATE PREPARE stmt11;
DEALLOCATE PREPARE stmt12;
DEALLOCATE PREPARE stmt13;
DEALLOCATE PREPARE stmt14;
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
DROP TABLE t4;
CREATE TABLE t1(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = HEAP;
CREATE TABLE t2(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = HEAP;
CREATE TABLE t3(
`ｱ` char(1),
`あ` char(1),
`龔` char(1)
)DEFAULT CHARSET = ujis ENGINE = HEAP;
CREATE TABLE t4(c1 char(1)) DEFAULT CHARSET = ujis ENGINE =HEAP;
INSERT INTO t1 VALUES ('xxx');
INSERT INTO t2 VALUES ('ｱあ龔');
INSERT INTO t3 VALUES ('x','x','x'),('x','x','x'),('y','y','y'),('y','y','y'),('z','z','z'),('z','z','z');
INSERT INTO t4 VALUES ('ｱ'),('あ'),('龔' );
PREPARE stmt1 FROM 'SELECT ? FROM t3';
PREPARE stmt2 FROM 'SELECT * FROM t3 ORDER BY ?';
PREPARE stmt3 FROM 'SELECT COUNT(*) FROM t3 GROUP BY ?';
PREPARE stmt4 FROM 'SELECT CHAR_LENGTH(?)';
PREPARE stmt5 FROM 'SELECT CHARSET(?)';
PREPARE stmt6 FROM 'SELECT INSERT(c1,1,1,?) FROM t1';
PREPARE stmt7 FROM 'SELECT INSTR(c1,?) FROM t2';
PREPARE stmt8 FROM 'SELECT LOCATE(?,c1) FROM t2';
PREPARE stmt9 FROM 'SELECT LPAD(c1,9,?) FROM t1';
PREPARE stmt10 FROM 'SELECT REPLACE(c1,?,\'x\') FROM t2';
PREPARE stmt11 FROM 'SELECT REPLACE(c1,\'x\',?) FROM t1';
PREPARE stmt12 FROM 'SELECT RPAD(c1,9,?) FROM t1';
PREPARE stmt13 FROM 'UPDATE t4 SET c1=\'x\' WHERE c1=?';
PREPARE stmt14 FROM 'UPDATE t4 SET c1=? WHERE c1=\'x\'';
SET @arg = 'ｱ';
EXECUTE stmt1 USING @arg;
?
ｱ
ｱ
ｱ
ｱ
ｱ
ｱ
EXECUTE stmt2 USING @arg;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
EXECUTE stmt3 USING @arg;
COUNT(*)
6
EXECUTE stmt4 USING @arg;
CHAR_LENGTH(?)
1
EXECUTE stmt5 USING @arg;
CHARSET(?)
ujis
EXECUTE stmt6 USING @arg;
INSERT(c1,1,1,?)
ｱxx
EXECUTE stmt7 USING @arg;
INSTR(c1,?)
1
EXECUTE stmt8 USING @arg;
LOCATE(?,c1)
1
EXECUTE stmt9 USING @arg;
LPAD(c1,9,?)
ｱｱｱｱｱｱxxx
EXECUTE stmt10 USING @arg;
REPLACE(c1,?,'x')
xあ龔
EXECUTE stmt11 USING @arg;
REPLACE(c1,'x',?)
ｱｱｱ
EXECUTE stmt12 USING @arg;
RPAD(c1,9,?)
xxxｱｱｱｱｱｱ
EXECUTE stmt13 USING @arg;
SELECT * FROM t4;
c1
x
あ
龔
EXECUTE stmt14 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
龔
SET @arg = 'あ';
EXECUTE stmt1 USING @arg;
?
あ
あ
あ
あ
あ
あ
EXECUTE stmt2 USING @arg;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
EXECUTE stmt3 USING @arg;
COUNT(*)
6
EXECUTE stmt4 USING @arg;
CHAR_LENGTH(?)
1
EXECUTE stmt5 USING @arg;
CHARSET(?)
ujis
EXECUTE stmt6 USING @arg;
INSERT(c1,1,1,?)
あxx
EXECUTE stmt7 USING @arg;
INSTR(c1,?)
2
EXECUTE stmt8 USING @arg;
LOCATE(?,c1)
2
EXECUTE stmt9 USING @arg;
LPAD(c1,9,?)
ああああああxxx
EXECUTE stmt10 USING @arg;
REPLACE(c1,?,'x')
ｱx龔
EXECUTE stmt11 USING @arg;
REPLACE(c1,'x',?)
あああ
EXECUTE stmt12 USING @arg;
RPAD(c1,9,?)
xxxああああああ
EXECUTE stmt13 USING @arg;
SELECT * FROM t4;
c1
ｱ
x
龔
EXECUTE stmt14 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
龔
SET @arg = '龔';
EXECUTE stmt1 USING @arg;
?
龔
龔
龔
龔
龔
龔
EXECUTE stmt2 USING @arg;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
EXECUTE stmt3 USING @arg;
COUNT(*)
6
EXECUTE stmt4 USING @arg;
CHAR_LENGTH(?)
1
EXECUTE stmt5 USING @arg;
CHARSET(?)
ujis
EXECUTE stmt6 USING @arg;
INSERT(c1,1,1,?)
龔xx
EXECUTE stmt7 USING @arg;
INSTR(c1,?)
3
EXECUTE stmt8 USING @arg;
LOCATE(?,c1)
3
EXECUTE stmt9 USING @arg;
LPAD(c1,9,?)
龔龔龔龔龔龔xxx
EXECUTE stmt10 USING @arg;
REPLACE(c1,?,'x')
ｱあx
EXECUTE stmt11 USING @arg;
REPLACE(c1,'x',?)
龔龔龔
EXECUTE stmt12 USING @arg;
RPAD(c1,9,?)
xxx龔龔龔龔龔龔
EXECUTE stmt13 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
x
EXECUTE stmt14 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
龔
DEALLOCATE PREPARE stmt1;
DEALLOCATE PREPARE stmt2;
DEALLOCATE PREPARE stmt3;
DEALLOCATE PREPARE stmt4;
DEALLOCATE PREPARE stmt5;
DEALLOCATE PREPARE stmt6;
DEALLOCATE PREPARE stmt7;
DEALLOCATE PREPARE stmt8;
DEALLOCATE PREPARE stmt9;
DEALLOCATE PREPARE stmt10;
DEALLOCATE PREPARE stmt11;
DEALLOCATE PREPARE stmt12;
DEALLOCATE PREPARE stmt13;
DEALLOCATE PREPARE stmt14;
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
DROP TABLE t4;
CREATE TABLE t1(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = BDB;
CREATE TABLE t2(c1 char(3)) DEFAULT CHARSET = ujis ENGINE = BDB;
CREATE TABLE t3(
`ｱ` char(1),
`あ` char(1),
`龔` char(1)
)DEFAULT CHARSET = ujis ENGINE = BDB;
CREATE TABLE t4(c1 char(1)) DEFAULT CHARSET = ujis ENGINE = BDB;
INSERT INTO t1 VALUES ('xxx');
INSERT INTO t2 VALUES ('ｱあ龔');
INSERT INTO t3 VALUES ('x','x','x'),('x','x','x'),('y','y','y'),('y','y','y'),('z','z','z'),('z','z','z');
INSERT INTO t4 VALUES ('ｱ'),('あ'),('龔' );
PREPARE stmt1 FROM 'SELECT ? FROM t3';
PREPARE stmt2 FROM 'SELECT * FROM t3 ORDER BY ?';
PREPARE stmt3 FROM 'SELECT COUNT(*) FROM t3 GROUP BY ?';
PREPARE stmt4 FROM 'SELECT CHAR_LENGTH(?)';
PREPARE stmt5 FROM 'SELECT CHARSET(?)';
PREPARE stmt6 FROM 'SELECT INSERT(c1,1,1,?) FROM t1';
PREPARE stmt7 FROM 'SELECT INSTR(c1,?) FROM t2';
PREPARE stmt8 FROM 'SELECT LOCATE(?,c1) FROM t2';
PREPARE stmt9 FROM 'SELECT LPAD(c1,9,?) FROM t1';
PREPARE stmt10 FROM 'SELECT REPLACE(c1,?,\'x\') FROM t2';
PREPARE stmt11 FROM 'SELECT REPLACE(c1,\'x\',?) FROM t1';
PREPARE stmt12 FROM 'SELECT RPAD(c1,9,?) FROM t1';
PREPARE stmt13 FROM 'UPDATE t4 SET c1=\'x\' WHERE c1=?';
PREPARE stmt14 FROM 'UPDATE t4 SET c1=? WHERE c1=\'x\'';
SET @arg = 'ｱ';
EXECUTE stmt1 USING @arg;
?
ｱ
ｱ
ｱ
ｱ
ｱ
ｱ
EXECUTE stmt2 USING @arg;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
EXECUTE stmt3 USING @arg;
COUNT(*)
6
EXECUTE stmt4 USING @arg;
CHAR_LENGTH(?)
1
EXECUTE stmt5 USING @arg;
CHARSET(?)
ujis
EXECUTE stmt6 USING @arg;
INSERT(c1,1,1,?)
ｱxx
EXECUTE stmt7 USING @arg;
INSTR(c1,?)
1
EXECUTE stmt8 USING @arg;
LOCATE(?,c1)
1
EXECUTE stmt9 USING @arg;
LPAD(c1,9,?)
ｱｱｱｱｱｱxxx
EXECUTE stmt10 USING @arg;
REPLACE(c1,?,'x')
xあ龔
EXECUTE stmt11 USING @arg;
REPLACE(c1,'x',?)
ｱｱｱ
EXECUTE stmt12 USING @arg;
RPAD(c1,9,?)
xxxｱｱｱｱｱｱ
EXECUTE stmt13 USING @arg;
SELECT * FROM t3;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
EXECUTE stmt14 USING @arg;
SELECT * FROM t3;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
SET @arg = 'あ';
EXECUTE stmt1 USING @arg;
?
あ
あ
あ
あ
あ
あ
EXECUTE stmt2 USING @arg;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
EXECUTE stmt3 USING @arg;
COUNT(*)
6
EXECUTE stmt4 USING @arg;
CHAR_LENGTH(?)
1
EXECUTE stmt5 USING @arg;
CHARSET(?)
ujis
EXECUTE stmt6 USING @arg;
INSERT(c1,1,1,?)
あxx
EXECUTE stmt7 USING @arg;
INSTR(c1,?)
2
EXECUTE stmt8 USING @arg;
LOCATE(?,c1)
2
EXECUTE stmt9 USING @arg;
LPAD(c1,9,?)
ああああああxxx
EXECUTE stmt10 USING @arg;
REPLACE(c1,?,'x')
ｱx龔
EXECUTE stmt11 USING @arg;
REPLACE(c1,'x',?)
あああ
EXECUTE stmt12 USING @arg;
RPAD(c1,9,?)
xxxああああああ
EXECUTE stmt13 USING @arg;
SELECT * FROM t4;
c1
ｱ
x
龔
EXECUTE stmt14 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
龔
SET @arg = '龔';
EXECUTE stmt1 USING @arg;
?
龔
龔
龔
龔
龔
龔
EXECUTE stmt2 USING @arg;
ｱ	あ	龔
x	x	x
x	x	x
y	y	y
y	y	y
z	z	z
z	z	z
EXECUTE stmt3 USING @arg;
COUNT(*)
6
EXECUTE stmt4 USING @arg;
CHAR_LENGTH(?)
1
EXECUTE stmt5 USING @arg;
CHARSET(?)
ujis
EXECUTE stmt6 USING @arg;
INSERT(c1,1,1,?)
龔xx
EXECUTE stmt7 USING @arg;
INSTR(c1,?)
3
EXECUTE stmt8 USING @arg;
LOCATE(?,c1)
3
EXECUTE stmt9 USING @arg;
LPAD(c1,9,?)
龔龔龔龔龔龔xxx
EXECUTE stmt10 USING @arg;
REPLACE(c1,?,'x')
ｱあx
EXECUTE stmt11 USING @arg;
REPLACE(c1,'x',?)
龔龔龔
EXECUTE stmt12 USING @arg;
RPAD(c1,9,?)
xxx龔龔龔龔龔龔
EXECUTE stmt13 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
x
EXECUTE stmt14 USING @arg;
SELECT * FROM t4;
c1
ｱ
あ
龔
DEALLOCATE PREPARE stmt1;
DEALLOCATE PREPARE stmt2;
DEALLOCATE PREPARE stmt3;
DEALLOCATE PREPARE stmt4;
DEALLOCATE PREPARE stmt5;
DEALLOCATE PREPARE stmt6;
DEALLOCATE PREPARE stmt7;
DEALLOCATE PREPARE stmt8;
DEALLOCATE PREPARE stmt9;
DEALLOCATE PREPARE stmt10;
DEALLOCATE PREPARE stmt11;
DEALLOCATE PREPARE stmt12;
DEALLOCATE PREPARE stmt13;
DEALLOCATE PREPARE stmt14;
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
DROP TABLE t4;