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join_outer.test, join_outer.result:

Browse source 
Added test cases for bug #9938.
item.h:
  Fixed bug #9938: missing method not_null_tables for Item_ref.


sql/item.h:
  Fixed bug #9938: missing method not_null_tables for Item_ref.
mysql-test/t/join_outer.test:
  Added test cases for bug #9938.
This commit is contained in:
unknown 2005-05-21 08:44:50 -07:00
commit 6df4988985
3 changed files with 42 additions and 0 deletions
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18
mysql-test/r/join_outer.result
View file

@ -957,3 +957,21 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 const PRIMARY,id PRIMARY 14 const,const,const,const 1 Using index
1 SIMPLE t3 const PRIMARY PRIMARY 3 const,const 1
drop tables t1,t2,t3;
CREATE TABLE t1 (EMPNUM INT, GRP INT);
INSERT INTO t1 VALUES (0, 10);
INSERT INTO t1 VALUES (2, 30);
CREATE TABLE t2 (EMPNUM INT, NAME CHAR(5));
INSERT INTO t2 VALUES (0, 'KERI');
INSERT INTO t2 VALUES (9, 'BARRY');
CREATE VIEW v1 AS
SELECT COALESCE(t2.EMPNUM,t1.EMPNUM) AS EMPNUM, NAME, GRP
FROM t2 LEFT OUTER JOIN t1 ON t2.EMPNUM=t1.EMPNUM;
SELECT * FROM v1;
EMPNUM NAME GRP
0 KERI 10
9 BARRY NULL
SELECT * FROM v1 WHERE EMPNUM < 10;
EMPNUM NAME GRP
0 KERI 10
9 BARRY NULL
DROP TABLE t1,t2;

23
mysql-test/t/join_outer.test
View file

@ -676,3 +676,26 @@ left join t3 on t1.art = t3.id where t2.id =1 and t2.x = -5 and t2.y =-8
and t1.gid =1 and t2.gid =1 and t3.set_id =1;
drop tables t1,t2,t3;
#
# Test for bug #9938: invalid conversion from outer join to inner join
# for queries containing indirect reference in WHERE clause
#
CREATE TABLE t1 (EMPNUM INT, GRP INT);
INSERT INTO t1 VALUES (0, 10);
INSERT INTO t1 VALUES (2, 30);
CREATE TABLE t2 (EMPNUM INT, NAME CHAR(5));
INSERT INTO t2 VALUES (0, 'KERI');
INSERT INTO t2 VALUES (9, 'BARRY');
CREATE VIEW v1 AS
SELECT COALESCE(t2.EMPNUM,t1.EMPNUM) AS EMPNUM, NAME, GRP
FROM t2 LEFT OUTER JOIN t1 ON t2.EMPNUM=t1.EMPNUM;
SELECT * FROM v1;
SELECT * FROM v1 WHERE EMPNUM < 10;
DROP TABLE t1,t2;

1
sql/item.h
View file

@ -1325,6 +1325,7 @@ public:
{
return depended_from ? OUTER_REF_TABLE_BIT : (*ref)->used_tables();
}
table_map not_null_tables() const { return (*ref)->not_null_tables(); }
void set_result_field(Field *field) { result_field= field; }
bool is_result_field() { return 1; }
void save_in_result_field(bool no_conversions)