mirror of
https://github.com/MariaDB/server.git
synced 2025-11-03 20:36:16 +01:00
60 lines
1.9 KiB
Text
60 lines
1.9 KiB
Text
drop table if exists t0,t1;
|
|
create table t0 (a int);
|
|
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
explain select * from t0 where a < 3;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t0 ALL NULL NULL NULL NULL 10 Using where
|
|
#
|
|
# MDEV-5045: Server crashes in QPF_query::print_explain with log_slow_verbosity='query_plan,explain'
|
|
#
|
|
set autocommit=1;
|
|
drop table t0;
|
|
#
|
|
# MDEV-5047 virtual THD::~THD(): Assertion `status_var.memory_used == 0' fails on disconnect
|
|
#
|
|
connect con1,localhost,root,,;
|
|
ALTER TABLE nonexisting ENABLE KEYS;
|
|
ERROR 42S02: Table 'test.nonexisting' doesn't exist
|
|
SHOW WARNINGS;
|
|
Level Code Message
|
|
Error 1146 Table 'test.nonexisting' doesn't exist
|
|
disconnect con1;
|
|
connection default;
|
|
SELECT 1;
|
|
1
|
|
1
|
|
#
|
|
# MDEV-5060 Server crashes on EXPLAIN EXTENDED or EXPLAIN PARTITIONS with explain in slow_log
|
|
#
|
|
EXPLAIN PARTITIONS SELECT 1 ;
|
|
id select_type table partitions type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
|
#
|
|
# MDEV-5106: Server crashes in Explain_union::print_explain on ER_TOO_BIG_SELECT with explain in slow log
|
|
#
|
|
CREATE TABLE t1 (i INT) ENGINE=MyISAM;
|
|
INSERT INTO t1 VALUES
|
|
(1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
|
|
SET max_join_size = 10;
|
|
( SELECT ta.* FROM t1 ta, t1 tb ) UNION ( SELECT * FROM t1 );
|
|
ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET MAX_JOIN_SIZE=# if the SELECT is okay
|
|
SELECT 'Server still alive?' as 'Yes';
|
|
Yes
|
|
Server still alive?
|
|
DROP TABLE t1;
|
|
#
|
|
# MDEV-5308 Crash when running with slow_query_log=1
|
|
#
|
|
SET @save1= @@log_slow_rate_limit;
|
|
SET @save2= @@long_query_time;
|
|
SET log_slow_rate_limit=1000;
|
|
SET long_query_time=0.000001;
|
|
SELECT 1;
|
|
1
|
|
1
|
|
SET log_slow_rate_limit=@save1;
|
|
SET long_query_time=@save2;
|
|
create table t1 (a int);
|
|
execute immediate "select * from t1 join t1 t2 on (t1.a>5) where exists (select 1)";
|
|
a a
|
|
drop table t1;
|