Commit 5097c6fc authored by unknown's avatar unknown
Browse files

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

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.
parents af1f49b7 4c4f5062

mysql-test/r/order_by.result

+24 −0
Original line number Diff line number Diff line
@@ -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

mysql-test/t/order_by.test

+29 −0
Original line number Diff line number Diff line
@@ -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

sql/item.cc

+12 −1
Original line number Diff line number Diff line
@@ -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