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Bug#11766424 59527: DECIMAL_BIN_SIZE: ASSERTION `SCALE >= 0 && PRECISION > 0 && SCALE <= PRE

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Assertion happens due to missing initialization of unsigned_flag
for Item_func_set_user_var object. It leads to incorrect
calculation of decimal field size.
The fix is to add initialization of unsigned_flag.


mysql-test/r/variables.result:
  test case
mysql-test/t/variables.test:
  test case
sql/item_func.cc:
  add initialization of unsigned_flag.
This commit is contained in:
Sergey Glukhov
2011-03-28 12:28:30 +04:00
parent d499851be0
commit ff23f5360e
3 changed files with 30 additions and 0 deletions
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16
mysql-test/r/variables.result
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@ -1547,6 +1547,22 @@ Warning 1292 Truncated incorrect key_cache_block_size value: '0'
select @@max_long_data_size;
@@max_long_data_size
1048576
#
# Bug#11766424 59527: DECIMAL_BIN_SIZE: ASSERTION `SCALE >= 0 && PRECISION > 0 && SCALE <= PRE
#
CREATE TABLE t1(f1 DECIMAL(1,1) UNSIGNED);
INSERT INTO t1 VALUES (0.2),(0.1);
SELECT 1 FROM t1 GROUP BY @a:= (SELECT ROUND(f1) FROM t1 WHERE @a=f1);
1
1
DROP TABLE t1;
CREATE TABLE t1 AS SELECT @a:= CAST(1 AS UNSIGNED) AS a;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(1) unsigned NOT NULL DEFAULT '0'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
SET @@global.max_binlog_cache_size=DEFAULT;
SET @@global.max_join_size=DEFAULT;
SET @@global.key_buffer_size=@kbs;