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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));
Warnings:
Warning 1681 Integer display width is deprecated and will be removed in a future release.
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;
Warnings:
Warning 3719 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
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;
Warnings:
Warning 3719 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
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');
ANALYZE TABLE t1,t2;
Table Op Msg_type Msg_text
test.t1 analyze status OK
test.t2 analyze status OK
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 partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 NULL index NULL PRIMARY 102 NULL # 100.00 Using index
1 SIMPLE t1 NULL eq_ref PRIMARY,a PRIMARY 318 func,const,const # 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select concat('gui_',`test`.`t2`.`a`) AS `CONCAT('gui_', t2.a)`,`test`.`t1`.`d` AS `d` from `test`.`t2` left join `test`.`t1` on(((`test`.`t1`.`a` = concat('gui_',`test`.`t2`.`a`)) and (`test`.`t1`.`b` = 'a') and (`test`.`t1`.`c` = 'b'))) where true
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;//
Warnings:
Warning 1681 Specifying number of digits for floating point data types is deprecated and will be removed in a future release.
CALL p1();
@s
########################################40100.000
CALL p1();
@s
########################################40100.000
DROP PROCEDURE p1;
# End of 5.1 tests
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