path: root/mysql-test/t/type_float.test

# Description
# -----------
# Numeric floating point.

--disable_warnings
drop table if exists t1,t2;
--enable_warnings

SELECT 10,10.0,10.,.1e+2,100.0e-1;
SELECT 6e-16, -6e-16, --6e-16, -6e-16+1.000000;
SELECT 1e1,1.e1,1.0e1,1e+1,1.e+1,1.0e+1,1e-1,1.e-1,1.0e-1;
SELECT 0.001e+1,0.001e-1, -0.001e+01,-0.001e-01;
SELECT 123.23E+02,-123.23E-02,"123.23E+02"+0.0,"-123.23E-02"+0.0;
SELECT 2147483647E+02,21474836.47E+06;

create table t1 (f1 float(24),f2 float(52));
# We mask out Privileges column because it differs for embedded server
--replace_column 8 #
show full columns from t1;
insert into t1 values(10,10),(1e+5,1e+5),(1234567890,1234567890),(1e+10,1e+10),(1e+15,1e+15),(1e+20,1e+20),(1e+50,1e+50),(1e+150,1e+150);
insert into t1 values(-10,-10),(1e-5,1e-5),(1e-10,1e-10),(1e-15,1e-15),(1e-20,1e-20),(1e-50,1e-50),(1e-150,1e-150);
select * from t1;
drop table t1;

create table t1 (datum double);
insert into t1 values (0.5),(1.0),(1.5),(2.0),(2.5);
select * from t1;
select * from t1 where datum < 1.5;
select * from t1 where datum > 1.5;
select * from t1 where datum = 1.5;
drop table t1;

create table t1 (a  decimal(7,3) not null, key (a));
insert into t1 values ("0"),("-0.00"),("-0.01"),("-0.002"),("1");
select a from t1 order by a;
select min(a) from t1;
drop table t1;

#
# BUG#3612, BUG#4393, BUG#4356, BUG#4394
#

create table t1 (c1 double, c2 varchar(20));
insert t1 values (121,"16");
select c1 + c1 * (c2 / 100) as col from t1;
create table t2 select c1 + c1 * (c2 / 100) as col1, round(c1, 5) as col2, round(c1, 35) as col3, sqrt(c1*1e-15) col4 from t1;
# Floats are a bit different in PS
--disable_ps_protocol
select * from t2;
--enable_ps_protocol
show create table t2;
drop table t1,t2;

# Bug #1022: When a table contains a 'float' field, 
# and one of the functions MAX, MIN, or AVG is used on that field,
# the system crashes.

create table t1 (a float);
insert into t1 values (1);
select max(a),min(a),avg(a) from t1;
drop table t1;

#
# FLOAT/DOUBLE/DECIMAL handling
#

create table t1 (f float, f2 float(24), f3 float(6,2), d double, d2 float(53), d3 double(10,3), de decimal, de2 decimal(6), de3 decimal(5,2), n numeric, n2 numeric(8), n3 numeric(7,6));
# We mask out Privileges column because it differs for embedded server
--replace_column 8 #
show full columns from t1;
drop table t1;

create table t1 (a  decimal(7,3) not null, key (a));
insert into t1 values ("0"),("-0.00"),("-0.01"),("-0.002"),("1");
select a from t1 order by a;
select min(a) from t1;
drop table t1;

--error 1425
create table t1 (a float(200,100), b double(200,100));

#
# float in a char(1) field
#
create table t1 (c20 char);
insert into t1 values (5000.0);
insert into t1 values (0.5e4);
drop table t1;

# Errors

--error 1063
create table t1 (f float(54));	# Should give an error
--disable_warnings
drop table if exists t1;
--enable_warnings

# Don't allow 'double unsigned' to be set to a negative value (Bug #7700)
create table t1 (d1 double, d2 double unsigned);
insert into t1 set d1 = -1.0;
update t1 set d2 = d1;
select * from t1;
drop table t1;

# Ensure that maximum values as the result of number of decimals
# being specified in table schema are enforced (Bug #7361)
create table t1 (f float(4,3));
insert into t1 values (-11.0),(-11),("-11"),(11.0),(11),("11");
select * from t1;
drop table if exists t1;
create table t1 (f double(4,3));
insert into t1 values (-11.0),(-11),("-11"),(11.0),(11),("11");
select * from t1;
drop table if exists t1;

# Check conversion of floats to character field (Bug #7774)
create table t1 (c char(20));
insert into t1 values (5e-28);
select * from t1;
drop table t1;
create table t1 (c char(6));
insert into t1 values (2e5),(2e6),(2e-4),(2e-5);
select * from t1;
drop table t1;

#
# Test of comparison of integer with float-in-range (Bug #7840)
# This is needed because some ODBC applications (like Foxpro) uses
# floats for everything.
#

CREATE TABLE t1 (
  reckey int unsigned NOT NULL,
  recdesc varchar(50) NOT NULL,
  PRIMARY KEY  (reckey)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;

INSERT INTO t1 VALUES (108, 'Has 108 as key');
INSERT INTO t1 VALUES (109, 'Has 109 as key');
select * from t1 where reckey=108;
select * from t1 where reckey=1.08E2;
select * from t1 where reckey=109;
select * from t1 where reckey=1.09E2;
drop table t1;

#
# Bug #13372 (decimal union)
#
create table t1 (d double(10,1));
create table t2 (d double(10,9));
insert into t1 values ("100000000.0");
insert into t2 values ("1.23456780");
create table t3 select * from t2 union select * from t1;
select * from t3;
show create table t3;
drop table t1, t2, t3;


#
# Bug #9855 (inconsistent column type for create select
#
create table t1 select  105213674794682365.00 + 0.0 x;
show warnings;
desc  t1;
drop table t1;

create table t1 select 0.0 x;
desc t1;
create table t2 select 105213674794682365.00 y;
desc t2;
create table t3 select x+y a from t1,t2;
show warnings;
desc t3;
drop table t1,t2,t3;

#
# Bug #22129: A small double precision number becomes zero
#
# check if underflows are detected correctly
select 1e-308, 1.00000001e-300, 100000000e-300;

# check if overflows are detected correctly
select 10e307;

#
# Bug #19690: ORDER BY eliminates rows from the result
#
create table t1(a int, b double(8, 2));
insert into t1 values
(1, 28.50), (1, 121.85), (1, 157.23), (1, 1351.00), (1, -1965.35), (1, 81.75), 
(1, 217.08), (1, 7.94), (4, 96.07), (4, 6404.65), (4, -6500.72), (2, 100.00),
(5, 5.00), (5, -2104.80), (5, 2033.80), (5, 0.07), (5, 65.93),
(3, -4986.24), (3, 5.00), (3, 4857.34), (3, 123.74), (3,  0.16),
(6, -1695.31), (6, 1003.77), (6, 499.72), (6, 191.82);
explain select sum(b) s from t1 group by a;
select sum(b) s from t1 group by a;
select sum(b) s from t1 group by a having s <> 0;
select sum(b) s from t1 group by a having s <> 0 order by s;
select sum(b) s from t1 group by a having s <=> 0;
select sum(b) s from t1 group by a having s <=> 0 order by s;
alter table t1 add key (a, b);
explain select sum(b) s from t1 group by a;
select sum(b) s from t1 group by a;
select sum(b) s from t1 group by a having s <> 0;
select sum(b) s from t1 group by a having s <> 0 order by s;
select sum(b) s from t1 group by a having s <=> 0;
select sum(b) s from t1 group by a having s <=> 0 order by s;
drop table t1;

--echo End of 4.1 tests

#
# bug #12694 (float(m,d) specifications)
#

--error 1427
create table t1 (s1 float(0,2));
--error 1427
create table t1 (s1 float(1,2));

#
# MySQL Bugs: #11589: mysqltest --ps-protocol, strange output, float/double/real with zerofill
#

CREATE TABLE t1 (
  f1 real zerofill,
  f2 double zerofill,
  f3 float zerofill);
INSERT INTO t1 VALUES ( 0.314152e+1, 0.314152e+1, 0.314152e+1);

let $my_stmt= select f1, f2, f3 FROM t1;
eval PREPARE stmt1 FROM '$my_stmt';
select f1, f2, f3 FROM t1;
eval $my_stmt;
EXECUTE stmt1;

DROP TABLE t1;
# Bug #28121 "INSERT or UPDATE into DOUBLE(200,0) field being truncated to 31 digits"
#

create table t1 (f1 double(200, 0));
insert into t1 values (1e199), (-1e199);
insert into t1 values (1e200), (-1e200);
insert into t1 values (2e200), (-2e200);
select f1 + 0e0 from t1;
drop table t1;

create table t1 (f1 float(30, 0));
insert into t1 values (1e29), (-1e29);
insert into t1 values (1e30), (-1e30);
insert into t1 values (2e30), (-2e30);
select f1 + 0e0 from t1;
drop table t1;

#
# Bug #12860 "Difference in zero padding of exponent between Unix and Windows"
#

create table t1 (c char(6));
insert into t1 values (2e6),(2e-5);
select * from t1;
drop table t1;

#
# Bug #21497 "DOUBLE truncated to unusable value"
#

CREATE TABLE d1 (d DOUBLE);
INSERT INTO d1 VALUES (1.7976931348623157E+308);
SELECT * FROM d1;
--error ER_ILLEGAL_VALUE_FOR_TYPE
INSERT INTO d1 VALUES (1.79769313486232e+308);
SELECT * FROM d1;
DROP TABLE d1;

#
# Bug #26788 "mysqld (debug) aborts when inserting specific numbers into char 
#             fields"
#

create table t1 (a char(20));
insert into t1 values (1.225e-05);
select a+0 from t1;
drop table t1;

# 
# Bug #27483: Casting 'scientific notation type' to 'unsigned bigint' fails on 
#             windows.
#

create table t1(d double, u bigint unsigned);

insert into t1(d) values (9.22337203685479e18),
                         (1.84e19);

update t1 set u = d;
select u from t1;

drop table t1;

#
# Bug #21205: Different number of digits for float/doble/real in --ps-protocol
#

CREATE TABLE t1 (f1 DOUBLE);
INSERT INTO t1 VALUES(-1.79769313486231e+308);
SELECT f1 FROM t1;
DROP TABLE t1;

--echo #
--echo # Bug#12406055 BUFFER OVERFLOW OF VARIABLE 'BUFF' IN STRING::SET_REAL
--echo # 

--echo # Ignoring output from misc. float operations
--disable_result_log

let $nine_65=
99999999999999999999999999999999999999999999999999999999999999999;

select format(-1.7976931348623157E+307,256) as foo;
select least(-1.1111111111111111111111111,
             - group_concat(1.7976931348623157E+308)) as foo;
eval select concat((truncate((-1.7976931348623157E+307),(0x1e))),
                   ($nine_65)) into @a;
--enable_result_log

--echo End of 5.0 tests

--echo #
--echo # Bug#12368853 FORMAT() CRASHES WITH LARGE NUMBERS AFTER TRUNCATE...
--echo #

select format(truncate('1.7976931348623157E+308',-12),1,'fr_BE') as foo;

--echo #
--echo # Bug #13500371 63704: CONVERSION OF '1.' TO A NUMBER GIVES ERROR 1265
--echo # (WARN_DATA_TRUNCATED)
--echo #

CREATE TABLE t1 (f FLOAT);
INSERT INTO t1 VALUES ('1.');
INSERT INTO t1 VALUES ('2.0.');
INSERT INTO t1 VALUES ('.');
SELECT * FROM t1 ORDER BY f;
DROP TABLE t1;


--echo #
--echo # Start of 10.0 tests
--echo #

--echo #
--echo # MDEV-6950 Bad results with joins comparing DATE/DATETIME and INT/DECIMAL/DOUBLE/ENUM/VARCHAR columns
--echo #
CREATE TABLE t1 (a DATETIME PRIMARY KEY);
INSERT INTO t1 VALUES ('1999-01-01 00:00:00');
CREATE TABLE t2 (a DOUBLE);
INSERT INTO t2 VALUES (19990101000000);
INSERT INTO t2 VALUES (990101000000);  
SELECT t1.* FROM t1,t2 WHERE t1.a=t2.a;
SELECT t1.* FROM t1 LEFT JOIN t2 ON t1.a=t2.a;
ALTER TABLE t2 ADD PRIMARY KEY(a);
SELECT t1.* FROM t1,t2 WHERE t1.a=t2.a;
SELECT t1.* FROM t1 LEFT JOIN t2 ON t1.a=t2.a;
--echo # t2 should NOT be eliminated
EXPLAIN SELECT t1.* FROM t1 LEFT JOIN t2 ON t1.a=t2.a;
DROP TABLE t1,t2; 

--echo #
--echo # MDEV-6971 Bad results with joins comparing TIME and DOUBLE/DECIMAL columns
--echo #
CREATE TABLE t1 (a TIME(6) PRIMARY KEY);
INSERT INTO t1 VALUES ('10:20:30');
CREATE TABLE t2 (a DOUBLE);
INSERT INTO t2 VALUES (102030),(102030.000000001);
SELECT t1.* FROM t1 JOIN t2 USING(a);
SELECT t1.* FROM t1 LEFT JOIN t2 USING(a);
ALTER TABLE t2 ADD PRIMARY KEY(a);
SELECT t1.* FROM t1 JOIN t2 USING(a);
SELECT t1.* FROM t1 LEFT JOIN t2 USING(a);
--echo # t2 should NOT be elimitated
EXPLAIN SELECT t1.* FROM t1 LEFT JOIN t2 USING(a);
DROP TABLE t1,t2;

--echo #
--echo # End of 10.0 tests
--echo #