1drop table if exists t0,t1; 2create table t0 (a int); 3insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); 4explain select * from t0 where a < 3; 5id select_type table type possible_keys key key_len ref rows Extra 61 SIMPLE t0 ALL NULL NULL NULL NULL 10 Using where 7# 8# MDEV-5045: Server crashes in QPF_query::print_explain with log_slow_verbosity='query_plan,explain' 9# 10set autocommit=1; 11drop table t0; 12# 13# MDEV-5047 virtual THD::~THD(): Assertion `status_var.memory_used == 0' fails on disconnect 14# 15connect con1,localhost,root,,; 16ALTER TABLE nonexisting ENABLE KEYS; 17ERROR 42S02: Table 'test.nonexisting' doesn't exist 18SHOW WARNINGS; 19Level Code Message 20Error 1146 Table 'test.nonexisting' doesn't exist 21disconnect con1; 22connection default; 23SELECT 1; 241 251 26# 27# MDEV-5060 Server crashes on EXPLAIN EXTENDED or EXPLAIN PARTITIONS with explain in slow_log 28# 29EXPLAIN PARTITIONS SELECT 1 ; 30id select_type table partitions type possible_keys key key_len ref rows Extra 311 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used 32# 33# MDEV-5106: Server crashes in Explain_union::print_explain on ER_TOO_BIG_SELECT with explain in slow log 34# 35CREATE TABLE t1 (i INT) ENGINE=MyISAM; 36INSERT INTO t1 VALUES 37(1),(2),(3),(4),(5),(6),(7),(8),(9),(10); 38SET max_join_size = 10; 39( SELECT ta.* FROM t1 ta, t1 tb ) UNION ( SELECT * FROM t1 ); 40ERROR 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 41SELECT 'Server still alive?' as 'Yes'; 42Yes 43Server still alive? 44DROP TABLE t1; 45# 46# MDEV-5308 Crash when running with slow_query_log=1 47# 48SET @save1= @@log_slow_rate_limit; 49SET @save2= @@long_query_time; 50SET log_slow_rate_limit=1000; 51SET long_query_time=0.000001; 52SELECT 1; 531 541 55SET log_slow_rate_limit=@save1; 56SET long_query_time=@save2; 57create table t1 (a int); 58execute immediate "select * from t1 join t1 t2 on (t1.a>5) where exists (select 1)"; 59a a 60drop table t1; 61