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DEV-8632 Segmentation fault on INSERT

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View/derived fields should be taken into account when we build ref_pointer_array constructed.

DBUG_ASSERTs added to avoid memory overrun.
This commit is contained in:
Oleksandr Byelkin 2015-11-06 16:36:41 +01:00
commit 7e4da9b370
6 changed files with 91 additions and 0 deletions
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35
mysql-test/t/view.test
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@ -5445,6 +5445,41 @@ EXECUTE stmt;
DROP TABLE t1, t2, t3;
DROP VIEW v3;
--echo #
--echo # MDEV-8632: Segmentation fault on INSERT
--echo #
CREATE TABLE `t1` (
`id` int(10) unsigned NOT NULL,
`r` float NOT NULL,
PRIMARY KEY (`id`)
) DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
create view v1 as select id, if(r=r,1,2) as d from t1;
create view v2 as
select id,
d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d as p
from v1;
insert into t1 (id, r)
select id,p from
(
select id,
d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d as p
from (
select id, if(r=r,1,2) as d
from t1
) a
) b
on duplicate key update r=p;
insert into t1 (id, r)
select id,p from v2
on duplicate key update r=p;
prepare stmt from "insert into t1 (id, r) select id,p from v2 on duplicate key update r=p";
execute stmt;
execute stmt;
deallocate prepare stmt;
drop view v1,v2;
drop table `t1`;
--echo # -----------------------------------------------------------------
--echo # -- End of 5.5 tests.
--echo # -----------------------------------------------------------------