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MDEV-15991 Server crashes in setup_on_expr upon calling SP or function executing DML on versioned tables

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Do not try to set versioning conditions on every SP call. It may work
incorrectly, but it's a general bug described in MDEV-774.
This patch makes system versioning stuff consistent with other code and
also fixes a use-after-free bug.

Closes #756
This commit is contained in:
Eugene Kosov
2018-05-16 18:11:30 +03:00
committed by Sergei Golubchik
parent b1efff46cd
commit 748ef3ec91
4 changed files with 40 additions and 3 deletions
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21
mysql-test/suite/versioning/r/select.result
View File

@ -538,6 +538,27 @@ a
select * from t1 for system_time from @t2 to @t1;
a
drop table t1;
#
# MDEV-15991 Server crashes in setup_on_expr upon calling SP or function executing DML on versioned tables
#
create or replace table t1 (i int);
insert into t1 values (1);
create or replace procedure p(n int)
begin
select * from t1;
end $
call p(1);
i
1
alter table t1 add system versioning;
call p(2);
i
1
call p(3);
i
1
drop procedure p;
drop table t1;
call verify_trt_dummy(34);
No A B C D
1 1 1 1 1