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bb453729b8
calculate Item_func_format::max_length using charset->mbmaxlen
mysql-test/r/func_math.result:
Fix for bug#16678 FORMAT gives wrong result if client run with default-character-set=utf8
test case
mysql-test/t/func_math.test:
Fix for bug#16678 FORMAT gives wrong result if client run with default-character-set=utf8
test case
180 lines
5.2 KiB
Plaintext
180 lines
5.2 KiB
Plaintext
#
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# Test of math functions
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#
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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select floor(5.5),floor(-5.5);
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explain extended select floor(5.5),floor(-5.5);
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select ceiling(5.5),ceiling(-5.5);
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explain extended select ceiling(5.5),ceiling(-5.5);
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select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1);
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explain extended select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1);
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select round(5.5),round(-5.5);
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explain extended select round(5.5),round(-5.5);
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select round(5.64,1),round(5.64,2),round(5.64,-1),round(5.64,-2);
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select abs(-10), sign(-5), sign(5), sign(0);
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explain extended select abs(-10), sign(-5), sign(5), sign(0);
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select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
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explain extended select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
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select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL);
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explain extended select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL);
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select log2(8),log2(15),log2(-2),log2(0),log2(NULL);
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explain extended select log2(8),log2(15),log2(-2),log2(0),log2(NULL);
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select log10(100),log10(18),log10(-4),log10(0),log10(NULL);
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explain extended select log10(100),log10(18),log10(-4),log10(0),log10(NULL);
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select pow(10,log10(10)),power(2,4);
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explain extended select pow(10,log10(10)),power(2,4);
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set @@rand_seed1=10000000,@@rand_seed2=1000000;
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select rand(999999),rand();
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explain extended select rand(999999),rand();
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select pi(),format(sin(pi()/2),6),format(cos(pi()/2),6),format(abs(tan(pi())),6),format(cot(1),6),format(asin(1),6),format(acos(0),6),format(atan(1),6);
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explain extended select pi(),format(sin(pi()/2),6),format(cos(pi()/2),6),format(abs(tan(pi())),6),format(cot(1),6),format(asin(1),6),format(acos(0),6),format(atan(1),6);
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select degrees(pi()),radians(360);
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#
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# Bug #2338 Trignometric arithmatic problems
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#
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SELECT ACOS(1.0);
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SELECT ASIN(1.0);
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SELECT ACOS(0.2*5.0);
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SELECT ACOS(0.5*2.0);
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SELECT ASIN(0.8+0.2);
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SELECT ASIN(1.2-0.2);
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#
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# Bug #3051 FLOOR returns invalid
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#
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# This can't be tested as it's not portable
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#select floor(log(4)/log(2));
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#select floor(log(8)/log(2));
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#select floor(log(16)/log(2));
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#
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# Bug #9060 (format returns incorrect result)
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#
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select format(4.55, 1), format(4.551, 1);
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explain extended select degrees(pi()),radians(360);
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#
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# Bug #7281: problem with rand()
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#
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--error 1054
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select rand(rand);
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# End of 4.1 tests
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#
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# Bug #8459 (FORMAT returns incorrect result)
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#
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create table t1 (col1 int, col2 decimal(60,30));
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insert into t1 values(1,1234567890.12345);
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select format(col2,7) from t1;
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select format(col2,8) from t1;
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insert into t1 values(7,1234567890123456.12345);
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select format(col2,6) from t1 where col1=7;
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drop table t1;
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#
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# Bug #10083 (round doesn't increase decimals)
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#
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select round(150, 2);
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#
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# Bug @10632 (Ceiling function returns wrong answer)
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#
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select ceil(0.09);
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select ceil(0.000000000000000009);
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#
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# Bug #9837: problem with round()
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#
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create table t1 select round(1, 6);
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show create table t1;
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select * from t1;
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drop table t1;
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#
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# Bug #11402: abs() forces rest of calculation to unsigned
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#
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select abs(-2) * -2;
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#
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# Bug #6172 RAND(a) should only accept constant values as arguments
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#
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create table t1 (i int);
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insert into t1 values (1);
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--error 1210
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select rand(i) from t1;
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drop table t1;
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#
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# Bug #14009: use of abs() on null value causes problems with filesort
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#
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# InnoDB is required to reproduce the fault, but it is okay if we default to
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# MyISAM when testing.
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--disable_warnings
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create table t1 (a varchar(90), ts datetime not null, index (a)) engine=innodb default charset=utf8;
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--enable_warnings
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insert into t1 values ('http://www.foo.com/', now());
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select a from t1 where a='http://www.foo.com/' order by abs(timediff(ts, 0));
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drop table t1;
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# End of 4.1 tests
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#
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# Bug #13820 (No warning on log(negative)
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#
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set sql_mode='traditional';
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select ln(-1);
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select log10(-1);
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select log2(-1);
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select log(2,-1);
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select log(-2,1);
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set sql_mode='';
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#
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# Bug #8461 truncate() and round() return false results 2nd argument negative.
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#
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# round(a,-b) log_10(b) > a
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select round(111,-10);
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# round on bigint
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select round(-5000111000111000155,-1);
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# round on unsigned bigint
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select round(15000111000111000155,-1);
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# truncate on bigint
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select truncate(-5000111000111000155,-1);
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# truncate on unsigned bigint
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select truncate(15000111000111000155,-1);
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#
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# Bug#16678 FORMAT gives wrong result if client run with default-character-set=utf8
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#
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set names utf8;
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create table t1
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(f1 varchar(32) not null,
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f2 smallint(5) unsigned not null,
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f3 int(10) unsigned not null default '0')
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engine=myisam default charset=utf8;
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insert into t1 values ('zombie',0,0),('gold',1,10000),('silver',2,10000);
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create table t2
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(f1 int(10) unsigned not null,
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f2 int(10) unsigned not null,
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f3 smallint(5) unsigned not null)
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engine=myisam default charset=utf8;
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insert into t2 values (16777216,16787215,1),(33554432,33564431,2);
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select format(t2.f2-t2.f1+1,0) from t1,t2
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where t1.f2 = t2.f3 order by t1.f1;
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drop table t1, t2;
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set names default;
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