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remove invalid test

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it starts an EXPLAIN of a multi-table join and tries to KILL it.
no sync points.
depending on how fast the hareware is and optimizer development
it might kill EXPLAIN at some random point in time (generally unrelated
to the Bug#28598 it was supposed to test) or EXPLAIN might finish
before the KILL and the test will fail.
This commit is contained in:
Sergei Golubchik
2022-06-18 15:10:34 +02:00
parent be99d0ddb6
commit f299351e1c
2 changed files with 0 additions and 82 deletions
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68
mysql-test/main/kill.test
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@ -272,74 +272,6 @@ connection default;
SET DEBUG_SYNC = 'RESET';
DROP TABLE t1, t2;
#
# Bug#28598: mysqld crash when killing a long-running explain query.
#
connection con1;
let $ID= `SELECT @id := CONNECTION_ID()`;
connection con2;
let $ignore= `SELECT @id := $ID`;
connection con1;
--disable_query_log
let $tab_count= 40;
--disable_query_log
begin;
let $i= $tab_count;
while ($i)
{
eval CREATE TABLE t$i (a$i INT, KEY(a$i));
eval INSERT INTO t$i VALUES (1),(2),(3),(4),(5),(6),(7);
dec $i ;
}
commit;
--enable_query_log
SET SESSION optimizer_search_depth=0;
let $i=$tab_count;
while ($i)
{
let $a= a$i;
let $t= t$i;
dec $i;
if ($i)
{
let $comma=,;
let $from=$comma$t$from;
let $where=a$i=$a $and $where;
}
if (!$i)
{
let $from=FROM $t$from;
let $where=WHERE $where;
}
let $and=AND;
}
--enable_query_log
SET DEBUG_SYNC= 'before_join_optimize SIGNAL in_sync';
eval PREPARE stmt FROM 'EXPLAIN SELECT * $from $where';
send EXECUTE stmt;
connection con2;
SET DEBUG_SYNC= 'now WAIT_FOR in_sync';
KILL QUERY @id;
connection con1;
--error 1317
reap;
--disable_query_log
let $i= $tab_count;
while ($i)
{
eval DROP TABLE t$i;
dec $i ;
}
--enable_query_log
connection default;
SET DEBUG_SYNC = 'RESET';
--echo #
--echo # Bug#19723: kill of active connection yields different error code
--echo # depending on platform.