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Excluded posibility of tmp_table_param.copy_field double deletion (BUG#14851).

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mysql-test/r/kill.result:
  BUG#14851 test
mysql-test/t/kill.test:
  BUG#14851 test
sql/sql_class.cc:
  Debug prints are added.
sql/sql_select.cc:
  Allocation of tmp_join fixed to involve constructor (it is not related to the bug directly but might cause other problems).
  Excluded posibility of tmp_table_param.copy_field double deletion (BUG#14851).
sql/sql_select.h:
  JOINs constructor added, initialization of them fixed (it is not related to the bug directly but might cause other problems).
This commit is contained in:
unknown
2006-01-18 13:48:57 +02:00
parent d88df3a316
commit e7c25ed4a1
5 changed files with 87 additions and 4 deletions
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49
mysql-test/t/kill.test
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@ -12,7 +12,7 @@ connect (con2, localhost, root,,);
#remember id of con1
connection con1;
--disable_warnings
drop table if exists t1;
drop table if exists t1, t2, t3;
--enable_warnings
create table t1 (kill_id int);
@ -40,4 +40,51 @@ connection con2;
select 4;
drop table t1;
disconnect con2;
connection default;
#
# BUG#14851: killing long running subquery processed via a temporary table.
#
create table t1 (id int primary key);
create table t2 (id int unsigned not null);
connect (conn1, localhost, root,,);
connection conn1;
-- disable_result_log
-- disable_query_log
let $1 = 4096;
while ($1)
{
eval insert into t1 values ($1);
dec $1;
}
-- enable_query_log
-- enable_result_log
insert into t2 select id from t1;
create table t3 (kill_id int);
insert into t3 values(connection_id());
-- disable_result_log
send select id from t1 where id in (select distinct id from t2);
-- enable_result_log
connect (conn2, localhost, root,,);
connection conn2;
select ((@id := kill_id) - kill_id) from t3;
-- sleep 1
kill @id;
connection conn1;
-- error 1053
reap;
disconnect conn1;
disconnect conn2;
connection default;
drop table t1, t2, t3;
# End of 4.1 tests