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| author | Sergey Glukhov <Sergey.Glukhov@sun.com> | 2009-09-29 07:23:38 +0500 |
|---|---|---|
| committer | Sergey Glukhov <Sergey.Glukhov@sun.com> | 2009-09-29 07:23:38 +0500 |
| commit | 5f8bb5c507631a56a267f42972c809d51dacd84b (patch) | |
| tree | 9411d5d5d7f9273f255a3b5f08d3ce89b93ec46f /mysql-test | |
| parent | 54631d6168c12fec47ad8d6ce01a0c53418993df (diff) | |
| download | mariadb-git-5f8bb5c507631a56a267f42972c809d51dacd84b.tar.gz | |
Bug#47150 Assertion in Field_long::val_int() on MERGE + TRIGGER + multi-table UPDATE
The bug is not related to MERGE table or TRIGGER. More correct description
would be 'assertion on multi-table UPDATE + NATURAL JOIN + MERGEABLE VIEW'.
On PREPARE stage(see test case) we call mark_common_columns() func which
creates ON condition for NATURAL JOIN and sets appropriate
table read_set bitmaps for fields which are used in ON condition.
On EXECUTE stage mark_common_columns() is not called, we set
necessary read_set bitmaps in setup_conds(). But 'B.f1' field
is already processed and related item alredy fixed before
setup_conds() as updated field and setup_conds can not set
read_set bitmap because of that.
The fix is to set read_set bitmap for appropriate table field even
if Item_direct_view_ref item which represents a refernce to this field
is fixed.
mysql-test/r/join.result:
test result
mysql-test/t/join.test:
test case
sql/item.cc:
The bug is not related to MERGE table or TRIGGER. More correct description
would be 'assertion on multi-table UPDATE + NATURAL JOIN + MERGEABLE VIEW'.
On PREPARE stage(see test case) we call mark_common_columns() func which
creates ON condition for NATURAL JOIN and sets appropriate
table read_set bitmaps for fields which are used in ON condition.
On EXECUTE stage mark_common_columns() is not called, we set
necessary read_set bitmaps in setup_conds(). But 'B.f1' field
is already processed and related item alredy fixed before
setup_conds() as updated field and setup_conds can not set
read_set bitmap because of that.
The fix is to set read_set bitmap for appropriate table field even
if Item_direct_view_ref item which represents a refernce to this field
is fixed.
Diffstat (limited to 'mysql-test')
| -rw-r--r-- | mysql-test/r/join.result | 10 | ||||
| -rw-r--r-- | mysql-test/t/join.test | 20 |
2 files changed, 30 insertions, 0 deletions
diff --git a/mysql-test/r/join.result b/mysql-test/r/join.result index 736ecf1d90e..77f73532474 100644 --- a/mysql-test/r/join.result +++ b/mysql-test/r/join.result @@ -1064,3 +1064,13 @@ a b c d 128 NULL 128 NULL DROP TABLE IF EXISTS t1,t2; End of 5.0 tests. +CREATE TABLE t1 (f1 int); +CREATE TABLE t2 (f1 int); +INSERT INTO t2 VALUES (1); +CREATE VIEW v1 AS SELECT * FROM t2; +PREPARE stmt FROM 'UPDATE t2 AS A NATURAL JOIN v1 B SET B.f1 = 1'; +EXECUTE stmt; +EXECUTE stmt; +DEALLOCATE PREPARE stmt; +DROP VIEW v1; +DROP TABLE t1, t2; diff --git a/mysql-test/t/join.test b/mysql-test/t/join.test index b5e30e63f54..1cd05c8cb65 100644 --- a/mysql-test/t/join.test +++ b/mysql-test/t/join.test @@ -729,4 +729,24 @@ SELECT * FROM t1 JOIN t2 ON b=c ORDER BY a; SELECT * FROM t1 JOIN t2 ON a=c ORDER BY a; DROP TABLE IF EXISTS t1,t2; + --echo End of 5.0 tests. + + +# +# Bug#47150 Assertion in Field_long::val_int() on MERGE + TRIGGER + multi-table UPDATE +# +CREATE TABLE t1 (f1 int); + +CREATE TABLE t2 (f1 int); +INSERT INTO t2 VALUES (1); +CREATE VIEW v1 AS SELECT * FROM t2; + +PREPARE stmt FROM 'UPDATE t2 AS A NATURAL JOIN v1 B SET B.f1 = 1'; +EXECUTE stmt; +EXECUTE stmt; + +DEALLOCATE PREPARE stmt; + +DROP VIEW v1; +DROP TABLE t1, t2; |