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Fix for bug #12956: cast make differ rounding.

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sql/item_func.cc:
  Fix for bug #12956: cast make differ rounding.
  - call rint() as we do in the Field_*int*::store(double)
This commit is contained in:
unknown
2005-11-28 14:52:38 +04:00
parent 57e1c5aa9a
commit 6cc4218f21
3 changed files with 9 additions and 9 deletions
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14
mysql-test/r/ps.result
View File

@ -337,7 +337,7 @@ set @precision=10000000000;
select rand(),
cast(rand(10)*@precision as unsigned integer) from t1;
rand() cast(rand(10)*@precision as unsigned integer)
- 6570515219
- 6570515220
- 1282061302
- 6698761160
- 9647622201
@ -348,23 +348,23 @@ prepare stmt from
set @var=1;
execute stmt using @var;
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(?)*@precision as unsigned integer)
- 6570515219 -
- 6570515220 -
- 1282061302 -
- 6698761160 -
- 9647622201 -
set @var=2;
execute stmt using @var;
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(?)*@precision as unsigned integer)
- 6570515219 6555866465
- 1282061302 1223466192
- 6698761160 6449731873
- 6570515220 6555866465
- 1282061302 1223466193
- 6698761160 6449731874
- 9647622201 8578261098
set @var=3;
execute stmt using @var;
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(?)*@precision as unsigned integer)
- 6570515219 9057697559
- 6570515220 9057697560
- 1282061302 3730790581
- 6698761160 1480860534
- 6698761160 1480860535
- 9647622201 6211931236
drop table t1;
deallocate prepare stmt;

2
mysql-test/t/count_distinct3.test
View File

@ -17,7 +17,7 @@ while ($1)
SET @rnd= RAND();
SET @id = CAST(@rnd * @rnd_max AS UNSIGNED);
SET @id_rev= @rnd_max - @id;
SET @grp= CAST(128.0 * @rnd AS UNSIGNED);
SET @grp= CAST(127.0 * @rnd AS UNSIGNED);
INSERT INTO t1 (id, grp, id_rev) VALUES (@id, @grp, @id_rev);
dec $1;
}

2
sql/item_func.cc
View File

@ -735,7 +735,7 @@ longlong Item_func_numhybrid::val_int()
case INT_RESULT:
return int_op();
case REAL_RESULT:
return (longlong)real_op();
return (longlong) rint(real_op());
case STRING_RESULT:
{
int err_not_used;