mariadb/mysql-test/t/func_test.test

#
# Testing of comparison functions
#
select 0=0,1>0,1>=1,1<0,1<=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 "a "="A", "A "="a", "a  " <= "A b"; 
select "abc" like "a%", "abc" not like "%d%", "a%" like "a\%","abc%" like "a%\%","abcd" like "a%b_%d", "a" like "%%a","abcde" like "a%_e","abc" like "abc%";
select "a" like "%%b","a" like "%%ab","ab" like "a\%", "ab" like "_", "ab" like "ab_", "abc" like "%_d", "abc" like "abc%d";
select '?' like '|%', '?' like '|%' ESCAPE '|', '%' like '|%', '%' like '|%' ESCAPE '|', '%' like '%';
select 'abc' like '%c','abcabc' like '%c',  "ab" like "", "ab" like "a", "ab" like "ab";
select "Det h<>r <20>r svenska" regexp "h[[:alpha:]]+r", "aba" regexp "^(a|b)*$";
select "aba" regexp concat("^","a");
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 'b' between 'a' and 'c', 'B' between 'a' and 'c';
select 2 in (3,2,5,9,5,1),"monty" in ("david","monty","allan"), 1.2 in (1.4,1.2,1.0);
select -1.49 or -1.49,0.6 or 0.6;

#
# Wrong usage of functions
#

select 5 between 0 and 10 between 0 and 1,(5 between 0 and 10) between 0 and 1;
select 1 and 2 between 2 and 10, 2 between 2 and 10 and 1;
select 1 and 0 or 2, 2 or 1 and 0;

#
# Problem with IF()
#

drop table if exists t1;
create table t1 (num  double(12,2));
insert into t1 values (144.54);
select sum(if(num is null,0.00,num)) from t1;
drop table t1;