1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
|
# 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 #
--echo #
--echo # MDEV-8704 Wrong result for SELECT..WHERE LENGTH(double_column)!=6 AND double_column=100e0
--echo #
# The original test case from the bug report
CREATE TABLE t1 (a DOUBLE(9,2));
INSERT INTO t1 VALUES (100),(110);
SELECT * FROM t1 WHERE LENGTH(a)!=6;
SELECT * FROM t1 WHERE LENGTH(a)!=6 AND a=100e0;
DROP TABLE t1;
# DOUBLE with no specific precision
CREATE TABLE t1 (a DOUBLE);
INSERT INTO t1 VALUES (100),(110);
SELECT * FROM t1 WHERE LENGTH(a)!=6;
SELECT * FROM t1 WHERE LENGTH(a)!=6 AND a=100e0;
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)!=6 AND a=100e0;
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)!=RAND() AND a=100e0;
DROP TABLE t1;
# The constant scale is bigger than the field scale
CREATE TABLE t1 (a DOUBLE(10,1));
INSERT INTO t1 VALUES (1.1),(1.2),(1.3);
SELECT * FROM t1 WHERE LENGTH(a)!=3;
SELECT * FROM t1 WHERE LENGTH(a)!=3 AND a=1.10e0;
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)!=3 AND a=1.10e0;
--echo # Notice 1.1 instead of 1.10 in the final WHERE condition
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)!=RAND() AND a=1.10e0;
DROP TABLE t1;
# The constant scale is equal to the field scale
CREATE TABLE t1 (a DOUBLE(10,2));
INSERT INTO t1 VALUES (1.1),(1.2),(1.3);
SELECT * FROM t1 WHERE LENGTH(a)!=4;
SELECT * FROM t1 WHERE LENGTH(a)!=4 AND a=1.10e0;
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)!=4 AND a=1.10e0;
--echo # Notice 1.10 in the final WHERE condition
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)!=RAND() AND a=1.10e0;
DROP TABLE t1;
# The constant scale is smaller than the field scale
CREATE TABLE t1 (a DOUBLE(10,3));
INSERT INTO t1 VALUES (1.1),(1.2),(1.3);
SELECT * FROM t1 WHERE LENGTH(a)!=5;
SELECT * FROM t1 WHERE LENGTH(a)!=5 AND a=1.10e0;
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)!=5 AND a=1.10e0;
--echo # Notice 1.100 rather than 1.10 in the final WHERE condition
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)!=RAND() AND a=1.10e0;
DROP TABLE t1;
--echo #
--echo # MDEV-8741 Equal field propagation leaves some remainders after simplifying WHERE zerofill_column=2010 AND zerofill_column>=2010
--echo #
CREATE TABLE t1 (a DOUBLE ZEROFILL);
INSERT INTO t1 VALUES (2010),(2020);
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=2010e0 AND a>=2010e0;
DROP TABLE t1;
--echo #
--echo # End of 10.1 tests
--echo #
--echo #
--echo # Start of 10.2 tests
--echo #
--echo #
--echo # MDEV-4102 Limitation on DOUBLE or REAL length is ignored with INSERT .. SELECT
--echo #
CREATE TABLE t1 (d1 DOUBLE(5,2), d2 DOUBLE(10,2));
INSERT INTO t1 VALUES (10000000.55, 10000000.55);
INSERT INTO t1 SELECT d2, d2 FROM t1;
SELECT * FROM t1;
DROP TABLE t1;
--echo #
--echo # MDEV-9709 Unexpected modification of value and warning about out of range value upon ALTER
--echo #
CREATE TABLE t1 (
f FLOAT,
d10_10 DOUBLE PRECISION (10,10),
d53_10 DOUBLE(53,10)
);
INSERT INTO t1 (f,d10_10,d53_10) VALUES (
-9999999999999999999999999999999999999999999.9999999999,
-9999999999999999999999999999999999999999999.9999999999,
-9999999999999999999999999999999999999999999.9999999999
);
--vertical_results
SELECT * FROM t1;
INSERT INTO t1 (f,d10_10,d53_10) SELECT d53_10, d53_10, d53_10 FROM t1;
SELECT * FROM t1;
ALTER TABLE t1 ADD COLUMN i INT;
SELECT * FROM t1;
DROP TABLE t1;
--horizontal_results
CREATE TABLE t1 (d10_10 DOUBLE (10,10));
CREATE TABLE t2 (d53_10 DOUBLE (53,10));
INSERT INTO t2 VALUES (-9999999999999999999999999999999999999999999.9999999999);
INSERT INTO t1 (d10_10) SELECT d53_10 FROM t2;
SELECT * FROM t1;
DROP TABLE t1,t2;
CREATE TABLE t1 (d2_2 FLOAT (2,2));
CREATE TABLE t2 (d4_2 FLOAT (4,2));
INSERT INTO t2 VALUES (99.99);
INSERT INTO t1 (d2_2) SELECT d4_2 FROM t2;
SELECT * FROM t1;
DROP TABLE t1,t2;
--echo #
--echo # Test of using wrong scale
--echo #
create or replace table t1 (a double(40,30));
--error ER_TOO_BIG_SCALE 1425
create or replace table t1 (a double(40,31));
create or replace table t1 as select 1.01e1;
show create table t1;
create or replace table t1 as select truncate(10.000000000001e1, 30) as t;
show create table t1;
create or replace table t1 as select truncate(10.000000000001e1, 31) as t;
show create table t1;
create or replace table t1 as select truncate(10.000000000001e1, 39) as t;
show create table t1;
create or replace table t1 as select truncate(10.000000000001e1, 51) as t;
show create table t1;
create or replace table t1 as select truncate(10.000000000001e1, 20)/2 as t;
show create table t1;
create or replace table t1 as select truncate(10.000000000001e1, 28)/2 as t;
show create table t1;
drop table if exists t1;
--echo #
--echo # End of 10.2 tests
--echo #
|