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Merge calliope.local.cmiller:/Volumes/Source/src/mysql-4.1-maint--bug25126

Browse source 
into  calliope.local.cmiller:/Volumes/Source/src/mysql-4.1-maint


sql/item.cc:
  Auto merged
mysql-test/r/order_by.result:
  Manual merge.
mysql-test/t/order_by.test:
  Manual merge.
This commit is contained in:
unknown 2007-02-14 12:24:11 -05:00
commit 5097c6fc06
3 changed files with 65 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

24
mysql-test/r/order_by.result
View file

@ -847,6 +847,30 @@ num (select num + 2 FROM t1 LIMIT 1)
SELECT a.a + 1 AS num FROM t1 a JOIN t1 b ON num = b.a;
ERROR 42S22: Unknown column 'num' in 'on clause'
DROP TABLE t1;
CREATE TABLE bug25126 (
val int unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY
);
UPDATE bug25126 SET MissingCol = MissingCol;
ERROR 42S22: Unknown column 'MissingCol' in 'field list'
UPDATE bug25126 SET val = val ORDER BY MissingCol;
ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
UPDATE bug25126 SET val = val ORDER BY val;
UPDATE bug25126 SET val = 1 ORDER BY val;
UPDATE bug25126 SET val = 1 ORDER BY MissingCol;
ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
UPDATE bug25126 SET val = 1 ORDER BY val, MissingCol;
ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
UPDATE bug25126 SET val = MissingCol ORDER BY MissingCol;
ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
UPDATE bug25126 SET MissingCol = 1 ORDER BY val, MissingCol;
ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
UPDATE bug25126 SET MissingCol = 1 ORDER BY MissingCol;
ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
UPDATE bug25126 SET MissingCol = val ORDER BY MissingCol;
ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
UPDATE bug25126 SET MissingCol = MissingCol ORDER BY MissingCol;
ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
DROP TABLE bug25126;
CREATE TABLE t1 (a int);
SELECT p.a AS val, q.a AS val1 FROM t1 p, t1 q ORDER BY val > 1;
val val1

29
mysql-test/t/order_by.test
View file

@ -575,6 +575,35 @@ SELECT a + 1 AS num, (select num + 2 FROM t1 LIMIT 1) FROM t1;
SELECT a.a + 1 AS num FROM t1 a JOIN t1 b ON num = b.a;
DROP TABLE t1;
#
# Bug#25126: Reference to non-existant column in UPDATE...ORDER BY...
# crashes server
#
CREATE TABLE bug25126 (
val int unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY
);
--error 1054
UPDATE bug25126 SET MissingCol = MissingCol;
--error 1054
UPDATE bug25126 SET val = val ORDER BY MissingCol;
UPDATE bug25126 SET val = val ORDER BY val;
UPDATE bug25126 SET val = 1 ORDER BY val;
--error 1054
UPDATE bug25126 SET val = 1 ORDER BY MissingCol;
--error 1054
UPDATE bug25126 SET val = 1 ORDER BY val, MissingCol;
--error 1054
UPDATE bug25126 SET val = MissingCol ORDER BY MissingCol;
--error 1054
UPDATE bug25126 SET MissingCol = 1 ORDER BY val, MissingCol;
--error 1054
UPDATE bug25126 SET MissingCol = 1 ORDER BY MissingCol;
--error 1054
UPDATE bug25126 SET MissingCol = val ORDER BY MissingCol;
--error 1054
UPDATE bug25126 SET MissingCol = MissingCol ORDER BY MissingCol;
DROP TABLE bug25126;
#
# Bug #25427: crash when order by expression contains a name
# that cannot be resolved unambiguously

13
sql/item.cc
View file

@ -1774,7 +1774,18 @@ bool Item_field::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
use the field from the Item_field in the select list and leave
the Item_field instance in place.
*/
set_field((*((Item_field**)res))->field);
Field *field= (*((Item_field**)res))->field;
if (field == NULL)
{
/* The column to which we link isn't valid. */
my_error(ER_BAD_FIELD_ERROR, MYF(0), (*res)->name,
current_thd->where);
return(1);
}
set_field(field);
return 0;
}
else