MySQL数据库

开发平台：
Visual C++

func_set.result：源码内容
							select interval(55,10,20,30,40,50,60,70,80,90,100),interval(3,1,1+1,1+1+1+1),field("IBM","NCA","ICL","SUN","IBM","DIGITAL"),field("A","B","C"),elt(2,"ONE","TWO","THREE"),interval(0,1,2,3,4),elt(1,1,2,3)|0,elt(1,1.1,1.2,1.3)+0;
interval(55,10,20,30,40,50,60,70,80,90,100)	interval(3,1,1+1,1+1+1+1)	field("IBM","NCA","ICL","SUN","IBM","DIGITAL")	field("A","B","C")	elt(2,"ONE","TWO","THREE")	interval(0,1,2,3,4)	elt(1,1,2,3)|0	elt(1,1.1,1.2,1.3)+0
5	2	4	0	TWO	0	1	1.1
explain extended select INTERVAL(55,10,20,30,40,50,60,70,80,90,100),interval(3,1,1+1,1+1+1+1),field("IBM","NCA","ICL","SUN","IBM","DIGITAL"),field("A","B","C"),elt(2,"ONE","TWO","THREE"),interval(0,1,2,3,4),elt(1,1,2,3)|0,elt(1,1.1,1.2,1.3)+0;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	select interval((55,10,20,30,40,50,60,70,80,90,100)) AS `INTERVAL(55,10,20,30,40,50,60,70,80,90,100)`,interval((3,1,(1 + 1),(((1 + 1) + 1) + 1))) AS `interval(3,1,1+1,1+1+1+1)`,field(_latin1'IBM',_latin1'NCA',_latin1'ICL',_latin1'SUN',_latin1'IBM',_latin1'DIGITAL') AS `field("IBM","NCA","ICL","SUN","IBM","DIGITAL")`,field(_latin1'A',_latin1'B',_latin1'C') AS `field("A","B","C")`,elt(2,_latin1'ONE',_latin1'TWO',_latin1'THREE') AS `elt(2,"ONE","TWO","THREE")`,interval((0,1,2,3,4)) AS `interval(0,1,2,3,4)`,(elt(1,1,2,3) | 0) AS `elt(1,1,2,3)|0`,(elt(1,1.1,1.2,1.3) + 0) AS `elt(1,1.1,1.2,1.3)+0`
SELECT INTERVAL(13, 7, 14, 21, 28, 35, 42, 49, 56);
INTERVAL(13, 7, 14, 21, 28, 35, 42, 49, 56)
1
SELECT INTERVAL(13, 7, 14, 21, 28, 35, 42, 49, 56, 77);
INTERVAL(13, 7, 14, 21, 28, 35, 42, 49, 56, 77)
1
select find_in_set("b","a,b,c"),find_in_set("c","a,b,c"),find_in_set("dd","a,bbb,dd"),find_in_set("bbb","a,bbb,dd");
find_in_set("b","a,b,c")	find_in_set("c","a,b,c")	find_in_set("dd","a,bbb,dd")	find_in_set("bbb","a,bbb,dd")
2	3	3	2
select find_in_set("d","a,b,c"),find_in_set("dd","a,bbb,d"),find_in_set("bb","a,bbb,dd");
find_in_set("d","a,b,c")	find_in_set("dd","a,bbb,d")	find_in_set("bb","a,bbb,dd")
0	0	0
select make_set(0,'a','b','c'),make_set(-1,'a','b','c'),make_set(1,'a','b','c'),make_set(2,'a','b','c'),make_set(1+2,concat('a','b'),'c');
make_set(0,'a','b','c')	make_set(-1,'a','b','c')	make_set(1,'a','b','c')	make_set(2,'a','b','c')	make_set(1+2,concat('a','b'),'c')
	a,b,c	a	b	ab,c
select make_set(NULL,'a','b','c'),make_set(1|4,'a',NULL,'c'),make_set(1+2,'a',NULL,'c');
make_set(NULL,'a','b','c')	make_set(1|4,'a',NULL,'c')	make_set(1+2,'a',NULL,'c')
NULL	a,c	a
select export_set(9,"Y","N","-",5),export_set(9,"Y","N"),export_set(9,"Y","N","");
export_set(9,"Y","N","-",5)	export_set(9,"Y","N")	export_set(9,"Y","N","")
Y-N-N-Y-N	Y,N,N,Y,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N	YNNYNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
select elt(2,1),field(NULL,"a","b","c");
elt(2,1)	field(NULL,"a","b","c")
NULL	0
select find_in_set("","a,b,c"),find_in_set("","a,b,c,"),find_in_set("",",a,b,c");
find_in_set("","a,b,c")	find_in_set("","a,b,c,")	find_in_set("",",a,b,c")
0	4	1
select find_in_set("abc","abc"),find_in_set("ab","abc"),find_in_set("abcd","abc");
find_in_set("abc","abc")	find_in_set("ab","abc")	find_in_set("abcd","abc")
1	0	0
select interval(null, 1, 10, 100);
interval(null, 1, 10, 100)
-1
drop table if exists t1,t2;
create  table t1 (id int(10) not null unique);
create  table t2 (id int(10) not null primary key, val int(10) not null);
insert into t1 values (1),(2),(4);
insert into t2 values (1,1),(2,1),(3,1),(4,2);
select one.id, elt(two.val,'one','two') from t1 one, t2 two where two.id=one.id;
id	elt(two.val,'one','two')
1	one
2	one
4	two
select one.id, elt(two.val,'one','two') from t1 one, t2 two where two.id=one.id order by one.id;
id	elt(two.val,'one','two')
1	one
2	one
4	two
drop table t1,t2;
select find_in_set(binary 'a',binary 'A,B,C');
find_in_set(binary 'a',binary 'A,B,C')
0
select find_in_set('a',binary 'A,B,C');
find_in_set('a',binary 'A,B,C')
0
select find_in_set(binary 'a', 'A,B,C');
find_in_set(binary 'a', 'A,B,C')
0
select find_in_set('1','3,1,');
find_in_set('1','3,1,')
2

						