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auto merge 5.0-bugteam --> 5.1-bugteam (bug 40761)

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This commit is contained in:
Gleb Shchepa
2008-12-12 18:19:33 +04:00
parent 749847686c af5cf536bc
commit cd42f4ba2c
3 changed files with 27 additions and 1 deletions
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9
mysql-test/r/func_if.result
View File

@ -176,4 +176,13 @@ IF((ROUND(t1.a,2)=1), 2,
IF((ROUND(t1.a,2)=1), 2,
IF((R
DROP TABLE t1;
CREATE TABLE t1 (c LONGTEXT);
INSERT INTO t1 VALUES(1), (2), (3), (4), ('12345678901234567890');
SELECT * FROM (SELECT MAX(IF(1, CAST(c AS UNSIGNED), 0)) FROM t1) AS te;
MAX(IF(1, CAST(c AS UNSIGNED), 0))
12345678901234567890
SELECT * FROM (SELECT MAX(IFNULL(CAST(c AS UNSIGNED), 0)) FROM t1) AS te;
MAX(IFNULL(CAST(c AS UNSIGNED), 0))
12345678901234567890
DROP TABLE t1;
End of 5.0 tests

14
mysql-test/t/func_if.test
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@ -150,4 +150,18 @@ FROM t1;
DROP TABLE t1;
#
# Bug #40761: Assert on sum func on IF(..., CAST(longtext AS UNSIGNED), signed)
# (was: LEFT JOIN on inline view crashes server)
#
CREATE TABLE t1 (c LONGTEXT);
INSERT INTO t1 VALUES(1), (2), (3), (4), ('12345678901234567890');
SELECT * FROM (SELECT MAX(IF(1, CAST(c AS UNSIGNED), 0)) FROM t1) AS te;
SELECT * FROM (SELECT MAX(IFNULL(CAST(c AS UNSIGNED), 0)) FROM t1) AS te;
DROP TABLE t1;
--echo End of 5.0 tests

5
sql/item_func.h
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@ -362,7 +362,10 @@ public:
Item_func_unsigned(Item *a) :Item_func_signed(a) {}
const char *func_name() const { return "cast_as_unsigned"; }
void fix_length_and_dec()
{ max_length=args[0]->max_length; unsigned_flag=1; }
{
max_length= min(args[0]->max_length, DECIMAL_MAX_PRECISION + 2);
unsigned_flag=1;
}
longlong val_int();
virtual void print(String *str, enum_query_type query_type);
};