DROP TABLE IF EXISTS t1;
DROP PROCEDURE IF EXISTS p1;
CREATE TABLE t1 ( number INT NOT NULL, alpha CHAR(6) NOT NULL );
INSERT INTO t1 VALUES (1413006,'idlfmv'),
(1413065,'smpsfz'),(1413127,'sljrhx'),(1413304,'qerfnd');
SELECT number, alpha, CONCAT_WS('<---->',number,alpha) AS new
FROM t1 GROUP BY number;
number	alpha	new
1413006	idlfmv	1413006<---->idlfmv
1413065	smpsfz	1413065<---->smpsfz
1413127	sljrhx	1413127<---->sljrhx
1413304	qerfnd	1413304<---->qerfnd
SELECT CONCAT_WS('<---->',number,alpha) AS new
FROM t1 GROUP BY new LIMIT 1;
new
1413006<---->idlfmv
SELECT number, alpha, CONCAT_WS('<->',number,alpha) AS new
FROM t1 GROUP BY new LIMIT 1;
number	alpha	new
1413006	idlfmv	1413006<->idlfmv
SELECT number, alpha, CONCAT_WS('-',number,alpha,alpha,alpha,alpha,alpha,alpha,alpha) AS new
FROM t1 GROUP BY new LIMIT 1;
number	alpha	new
1413006	idlfmv	1413006-idlfmv-idlfmv-idlfmv-idlfmv-idlfmv-idlfmv-idlfmv
SELECT number, alpha, CONCAT_WS('<------------------>',number,alpha) AS new
FROM t1 GROUP BY new LIMIT 1;
number	alpha	new
1413006	idlfmv	1413006<------------------>idlfmv
drop table t1;
create table t1 (a char(4), b double, c date, d tinyint(4));
insert into t1 values ('AAAA', 105, '2003-03-01', 1);
select * from t1 where concat(A,C,B,D) = 'AAAA2003-03-011051';
a	b	c	d
AAAA	105	2003-03-01	1
drop table t1;
select 'a' union select concat('a', -4);
a
a
a-4
select 'a' union select concat('a', -4.5);
a
a
a-4.5
select 'a' union select concat('a', -(4 + 1));
a
a
a-5
select 'a' union select concat('a', 4 - 5);
a
a
a-1
select 'a' union select concat('a', -'3');
a
a
a-3
select 'a' union select concat('a', -concat('3',4));
a
a
a-34
select 'a' union select concat('a', -0);
a
a
a0
select 'a' union select concat('a', -0.0);
a
a
a0.0
select 'a' union select concat('a', -0.0000);
a
a
a0.0000
select concat((select x from (select 'a' as x) as t1 ),
(select y from (select 'b' as y) as t2 )) from (select 1 union select 2 )
as t3;
concat((select x from (select 'a' as x) as t1 ),
(select y from (select 'b' as y) as t2 ))
ab
ab
create table t1(f1 varchar(6)) charset=utf8;
insert into t1 values ("123456");
select concat(f1, 2) a from t1 union select 'x' a from t1;
a
1234562
x
drop table t1;
CREATE TABLE t1 (c1 varchar(100), c2 varchar(100));
INSERT INTO t1 VALUES ('',''), ('','First'), ('Random','Random');
SELECT * FROM t1 WHERE CONCAT(c1,' ',c2) REGEXP 'First.*';
c1	c2
	First
DROP TABLE t1;
# End of 5.0 tests
#
# Bug #44743: Join in combination with concat does not always work
#
CREATE TABLE t1 (
a VARCHAR(100) NOT NULL DEFAULT '0',
b VARCHAR(2) NOT NULL DEFAULT '',
c VARCHAR(2) NOT NULL DEFAULT '',
d TEXT NOT NULL,
PRIMARY KEY (a, b, c),
KEY (a)
) DEFAULT CHARSET=utf8;
INSERT INTO t1 VALUES ('gui_A', 'a', 'b', 'str1'),
('gui_AB', 'a', 'b', 'str2'), ('gui_ABC', 'a', 'b', 'str3');
CREATE TABLE t2 (
a VARCHAR(100) NOT NULL DEFAULT '',
PRIMARY KEY (a)
) DEFAULT CHARSET=latin1;
INSERT INTO t2 VALUES ('A'), ('AB'), ('ABC');
SELECT CONCAT('gui_', t2.a), t1.d FROM t2 
LEFT JOIN t1 ON t1.a = CONCAT('gui_', t2.a) AND t1.b = 'a' AND t1.c = 'b';
CONCAT('gui_', t2.a)	d
gui_A	str1
gui_AB	str2
gui_ABC	str3
EXPLAIN SELECT CONCAT('gui_', t2.a), t1.d FROM t2 
LEFT JOIN t1 ON t1.a = CONCAT('gui_', t2.a) AND t1.b = 'a' AND t1.c = 'b';
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	index	NULL	PRIMARY	102	NULL	3	Using index
1	SIMPLE	t1	eq_ref	PRIMARY,a	PRIMARY	318	func,const,const	1	Using where
DROP TABLE t1, t2;
#
# Bug #50096: CONCAT_WS inside procedure returning wrong data
#
CREATE PROCEDURE p1(a varchar(255), b int, c int)
SET @query = CONCAT_WS(",", a, b, c);
CALL p1("abcde", "0", "1234");
SELECT @query;
@query
abcde,0,1234
DROP PROCEDURE p1;
#
# Bug #40625: Concat fails on DOUBLE values in a Stored Procedure,
#             while DECIMAL works
#
CREATE PROCEDURE p1()
BEGIN
DECLARE v1 DOUBLE(10,3);
SET v1= 100;
SET @s = CONCAT('########################################', 40 , v1);
SELECT @s;
END;//
CALL p1();
@s
########################################40100.000
CALL p1();
@s
########################################40100.000
DROP PROCEDURE p1;
# End of 5.1 tests
#
# Start of 10.0 tests
#
#
# MDEV-10306 Wrong results with combination of CONCAT, SUBSTR and CONVERT in subquery
#
SET @save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch='derived_merge=on';
CREATE TABLE t1 (t VARCHAR(10) CHARSET latin1);
INSERT INTO t1 VALUES('1234567');
SELECT CONCAT(SUBSTR(t2, 1, 3), SUBSTR(t2, 5)) c1,
CONCAT(SUBSTR(t2,1,3),'---',SUBSTR(t2,5)) c2
FROM (SELECT CONVERT(t USING latin1) t2 FROM t1) sub;
c1	c2
123567	123---567
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT CONVERT(t USING latin1) t2 FROM t1) sub;
c2
1234567-1234567
DROP TABLE t1;
CREATE TABLE t1 (t VARCHAR(10) CHARSET latin1);
INSERT INTO t1 VALUES('1234567');
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT CONVERT(t USING latin1) t2 FROM t1) sub;
c2
1234567-1234567
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT REVERSE(t) t2 FROM t1) sub;
c2
7654321-7654321
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT SOUNDEX(t) t2 FROM t1) sub;
c2
-
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT TO_BASE64(t) t2 FROM t1) sub;
c2
MTIzNDU2Nw==-MTIzNDU2Nw==
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT WEIGHT_STRING(t) t2 FROM t1) sub;
c2
1234567-1234567
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT HEX(t) t2 FROM t1) sub;
c2
31323334353637-31323334353637
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT QUOTE(t) t2 FROM t1) sub;
c2
'1234567'-'1234567'
DROP TABLE t1;
CREATE TABLE t1 (t VARCHAR(32) CHARSET latin1);
INSERT INTO t1 VALUES(TO_BASE64('abcdefghi'));
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT FROM_BASE64(t) t2 FROM t1) sub;
c2
abcdefghi-abcdefghi
DROP TABLE t1;
CREATE TABLE t1 (t VARCHAR(32) CHARSET latin1);
INSERT INTO t1 VALUES(HEX('abcdefghi'));
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT UNHEX(t) t2 FROM t1) sub;
c2
abcdefghi-abcdefghi
DROP TABLE t1;
CREATE TABLE t1 (t VARCHAR(30) CHARSET latin1);
INSERT INTO t1 VALUES('test');
SELECT LENGTH(CONCAT(t2)) c2 FROM (SELECT AES_ENCRYPT(t,'x') t2 FROM t1) sub;
c2
16
SELECT LENGTH(CONCAT(t2,'-',t2)) c2 FROM (SELECT AES_ENCRYPT(t,'x') t2 FROM t1) sub;
c2
33
SELECT LENGTH(CONCAT(t2,'--',t2)) c2 FROM (SELECT AES_ENCRYPT(t,'x') t2 FROM t1) sub;
c2
34
SELECT LENGTH(CONCAT(t2)) c2 FROM (SELECT AES_DECRYPT(AES_ENCRYPT(t,'x'),'x') t2 FROM t1) sub;
c2
4
SELECT LENGTH(CONCAT(t2,'-',t2)) c2 FROM (SELECT AES_DECRYPT(AES_ENCRYPT(t,'x'),'x') t2 FROM t1) sub;
c2
9
SELECT LENGTH(CONCAT(t2,'--',t2)) c2 FROM (SELECT AES_DECRYPT(AES_ENCRYPT(t,'x'),'x') t2 FROM t1) sub;
c2
10
DROP TABLE t1;
CREATE TABLE t1 (t VARCHAR(64) CHARSET latin1);
INSERT INTO t1 VALUES('123456789');
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT MD5(t) t2 FROM t1) sub;
c2
25f9e794323b453885f5181f1b624d0b-25f9e794323b453885f5181f1b624d0b
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT FORMAT(t,2) t2 FROM t1) sub;
c2
123,456,789.00-123,456,789.00
DROP TABLE t1;
CREATE TABLE t1 (t VARCHAR(32) CHARSET latin1);
INSERT INTO t1 VALUES('abcdefghi');
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT INSERT(t,3,4,'xxx') t2 FROM t1) sub;
c2
abxxxghi-abxxxghi
DROP TABLE t1;
CREATE TABLE t1 (t VARCHAR(10) CHARSET latin1);
INSERT INTO t1 VALUES('abcdefghi');
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT LEFT(t,10) t2 FROM t1) sub;
c2
abcdefghi-abcdefghi
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT RIGHT(t,10) t2 FROM t1) sub;
c2
abcdefghi-abcdefghi
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT SUBSTR(t,1,10) t2 FROM t1) sub;
c2
abcdefghi-abcdefghi
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT LTRIM(t) t2 FROM t1) sub;
c2
abcdefghi-abcdefghi
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT RTRIM(t) t2 FROM t1) sub;
c2
abcdefghi-abcdefghi
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT TRIM(t) t2 FROM t1) sub;
c2
abcdefghi-abcdefghi
DROP TABLE t1;
SET optimizer_switch=@save_optimizer_switch;
#
# MDEV-13790 UNHEX() of a somewhat complicated CONCAT() returns NULL
#
SELECT UNHEX(CONCAT('414C2', HEX(8 + ROUND(RAND()*7)), SUBSTR(SHA(UUID()),6,33),HEX(2+ROUND(RAND()*8)))) IS NULL AS c1;
c1
0
#
# MDEV-13119 Wrong results with CAST(AS CHAR) and subquery
#
SET optimizer_switch=_utf8'derived_merge=on';
CREATE TABLE t1 (t VARCHAR(10) CHARSET latin1);
INSERT INTO t1 VALUES('abcdefghi');
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT CAST(t AS CHAR CHARACTER SET utf8) t2 FROM t1) sub;
c2
abcdefghi-abcdefghi
DROP TABLE t1;
SET optimizer_switch=@save_optimizer_switch;
#
# MDEV-13120 Wrong results with MAKE_SET() and subquery
#
CREATE TABLE t1 (t VARCHAR(10) CHARSET latin1);
INSERT INTO t1 VALUES('abcdefghi');
SELECT CONCAT(t2,'-',t2) c2 FROM (SELECT MAKE_SET(3,t,t) t2 FROM t1) sub;
c2
abcdefghi,abcdefghi-abcdefghi,abcdefghi
DROP TABLE t1;