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