# 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-05, -6e-05, --6e-05, -6e-05+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 #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 End of 5.0 tests