mirror of
https://github.com/MariaDB/server.git
synced 2025-10-30 18:36:12 +01:00
c78629effb
Docs/manual.texi: Manual changes to doccument new functions and function changes mysql-test/r/func_math.result: Extend tests for LOG family functions mysql-test/t/func_math.test: Extend tests for LOG family functions sql/gen_lex_hash.cc: Lex hash changes sql/item_create.cc: Rename old log function to ln sql/item_create.h: More log functions sql/item_func.cc: Implementation of new log function behavior sql/item_func.h: Class definition for new functions sql/lex.h: Function names sql/sql_yacc.yy: Symbols for new LOG function tests/function.res: One more test result change tests/function.tst: One more test change BitKeeper/etc/logging_ok: Logging to logging@openlogging.org accepted
80 lines
4 KiB
SQL
80 lines
4 KiB
SQL
# Test of functions
|
|
#
|
|
# mysql -v < this_file
|
|
|
|
#
|
|
# numerical functions
|
|
#
|
|
select 1+1,1-1,1+1*2,8/5,8%5,mod(8,5),mod(8,5)|0,-(1+1)*-2,sign(-5) ;
|
|
select floor(5.5),floor(-5.5),ceiling(5.5),ceiling(-5.5),round(5.5),round(-5.5);
|
|
select abs(-10),log(exp(10)),ln(exp(10)),log2(65535),log(2,65535),exp(log(sqrt(10))*2),pow(10,log10(10)),rand(999999),rand();
|
|
select least(6,1.0,2.0),greatest(3,4,5,0) ;
|
|
select 1 | (1+1),5 & 3,bit_count(7) ;
|
|
#
|
|
# test functions
|
|
#
|
|
select 0=0,1>0,1>=1,1<0,1<=0,strcmp("abc","abcd"),strcmp("b","a"),strcmp("a","a") ;
|
|
select "a"<"b","a"<="b","b">="a","b">"a","a"="A","a"<>"b";
|
|
select "abc" like "a%", "abc" not like "%d%", "ab" like "a\%", "a%" like "a\%","abcd" like "a%b_%d";
|
|
select "Det här är svenska" regexp "h[[:alpha:]]+r", "aba" regexp "^(a|b)*$";
|
|
select !0,NOT 0=1,!(0=0),1 AND 1,1 && 0,0 OR 1,1 || NULL, 1=1 or 1=1 and 1=0;
|
|
select IF(0,"ERROR","this"),IF(1,"is","ERROR"),IF(NULL,"ERROR","a"),IF(1,2,3)|0,IF(1,2.0,3.0)+0 ;
|
|
select 2 between 1 and 3, "monty" between "max" and "my",2=2 and "monty" between "max" and "my" and 3=3;
|
|
select 2 in (3,2,5,9,5,1),"monty" in ("david","monty","allan"), 1.2 in (1.4,1.2,1.0);
|
|
|
|
#
|
|
# string functions
|
|
#
|
|
select 'hello',"'hello'",'""hello""','''h''e''l''l''o''',"hel""lo",'hel\'lo';
|
|
select concat("monty"," was here ","again"),length("hello"),ascii("hello");
|
|
select locate("he","hello"),locate("he","hello",2),locate("lo","hello",2) ;
|
|
select left("hello",2),right("hello",2),substring("hello",2,2),mid("hello",1,5) ;
|
|
select concat("",left(right(concat("what ",concat("is ","happening")),9),4),"",substring("monty",5,1)) ;
|
|
select concat("!",ltrim(" left "),"!",rtrim(" right "),"!");
|
|
select insert("txs",2,1,"hi"),insert("is ",4,0,"a"),insert("txxxxt",2,4,"es");
|
|
select replace("aaaa","a","b"),replace("aaaa","aa","b"),replace("aaaa","a","bb"),replace("aaaa","","b"),replace("bbbb","a","c");
|
|
select replace(concat(lcase(concat("THIS"," ","IS"," ","A"," ")),ucase("false")," ","test"),"FALSE","REAL") ;
|
|
select soundex(""),soundex("he"),soundex("hello all folks");
|
|
select password("test");
|
|
#
|
|
# varbinary as string and number
|
|
#
|
|
select 0x41,0x41+0,0x41 | 0x7fffffffffffffff | 0,0xffffffffffffffff | 0 ;
|
|
|
|
#
|
|
# misc functions
|
|
#
|
|
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;
|
|
select format(1.5555,0),format(123.5555,1),format(1234.5555,2),format(12345.5555,3),format(123456.5555,4),format(1234567.5555,5),format("12345.2399",2);
|
|
|
|
#
|
|
# system functions
|
|
#
|
|
select database(),user();
|
|
|
|
#
|
|
# Null tests
|
|
#
|
|
select null,isnull(null),isnull(1/0),isnull(1/0 = null),ifnull(null,1),ifnull(null,"TRUE"),ifnull("TRUE","ERROR"),1/0 is null,1 is not null;
|
|
select 1 | NULL,1 & NULL,1+NULL,1-NULL;
|
|
select NULL=NULL,NULL<>NULL,NULL IS NULL, NULL IS NOT NULL,IFNULL(NULL,1.1)+0,IFNULL(NULL,1) | 0;
|
|
select strcmp("a",NULL),(1<NULL)+0.0,NULL regexp "a",null like "a%","a%" like null;
|
|
select concat("a",NULL),replace(NULL,"a","b"),replace("string","i",NULL),replace("string",NULL,"i"),insert("abc",1,1,NULL),left(NULL,1);
|
|
select field(NULL,"a","b","c");
|
|
select 2 between null and 1,2 between 3 AND NULL,NULL between 1 and 2,2 between NULL and 3, 2 between 1 AND null,2 between null and 1,2 between 3 AND NULL;
|
|
#
|
|
# Wrong or 'funny' use of functions.
|
|
#
|
|
select insert("aa",100,1,"b"),insert("aa",1,3,"b"),left("aa",-1),substring("a",1,2);
|
|
select elt(2,1),field(NULL,"a","b","c");
|
|
select locate("a","b",2),locate("","a",1),ltrim("a"),rtrim("a");
|
|
select concat("1","2")|0,concat("1",".5")+0.0;
|
|
|
|
#
|
|
# time functions
|
|
# The last line should return new values for each test run
|
|
#
|
|
select from_days(to_days("960101")),to_days(960201)-to_days("19960101"),to_days(curdate()+1)-to_days(curdate()),weekday("1997-01-01") ;
|
|
select period_add("9602",-12),period_diff(199505,"9404") ;
|
|
select now()-now(),weekday(curdate())-weekday(now()),unix_timestamp()-unix_timestamp(now());
|
|
select now(),now()+0,curdate(),weekday(curdate()),weekday(now()),unix_timestamp(),unix_timestamp(now());
|