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Test cases added
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MySQL Build Team
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commit
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5 changed files with 506 additions and 0 deletions
13
mysql-test/r/innodb_bug47777.result
Normal file
13
mysql-test/r/innodb_bug47777.result
Normal file
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@ -0,0 +1,13 @@
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create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb;
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insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'));
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select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)');
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count(*)
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1
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update bug47777 set c2=GeomFromText('POINT(1 1)');
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select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)');
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count(*)
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0
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select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)');
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count(*)
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1
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drop table bug47777;
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308
mysql-test/r/innodb_lock_wait_timeout_1.result
Normal file
308
mysql-test/r/innodb_lock_wait_timeout_1.result
Normal file
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@ -0,0 +1,308 @@
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#
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# Bug#41756 Strange error messages about locks from InnoDB
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#
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drop table if exists t1;
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# In the default transaction isolation mode, and/or with
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# innodb_locks_unsafe_for_binlog=OFF, handler::unlock_row()
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# in InnoDB does nothing.
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# Thus in order to reproduce the condition that led to the
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# warning, one needs to relax isolation by either
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# setting a weaker tx_isolation value, or by turning on
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# the unsafe replication switch.
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# For testing purposes, choose to tweak the isolation level,
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# since it's settable at runtime, unlike
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# innodb_locks_unsafe_for_binlog, which is
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# only a command-line switch.
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#
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set @@session.tx_isolation="read-committed";
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# Prepare data. We need a table with a unique index,
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# for join_read_key to be used. The other column
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# allows to control what passes WHERE clause filter.
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create table t1 (a int primary key, b int) engine=innodb;
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# Let's make sure t1 has sufficient amount of rows
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# to exclude JT_ALL access method when reading it,
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# i.e. make sure that JT_EQ_REF(a) is always preferred.
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insert into t1 values (1,1), (2,null), (3,1), (4,1),
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(5,1), (6,1), (7,1), (8,1), (9,1), (10,1),
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(11,1), (12,1), (13,1), (14,1), (15,1),
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(16,1), (17,1), (18,1), (19,1), (20,1);
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#
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# Demonstrate that for the SELECT statement
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# used later in the test JT_EQ_REF access method is used.
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#
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explain
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select 1 from t1 natural join (select 2 as a, 1 as b union all
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select 2 as a, 2 as b) as t2 for update;
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id 1
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select_type PRIMARY
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table <derived2>
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type ALL
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possible_keys NULL
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key NULL
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key_len NULL
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ref NULL
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rows 2
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Extra
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id 1
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select_type PRIMARY
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table t1
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type eq_ref
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possible_keys PRIMARY
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key PRIMARY
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key_len 4
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ref t2.a
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rows 1
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Extra Using where
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id 2
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select_type DERIVED
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table NULL
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type NULL
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possible_keys NULL
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key NULL
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key_len NULL
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ref NULL
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rows NULL
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Extra No tables used
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id 3
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select_type UNION
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table NULL
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type NULL
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possible_keys NULL
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key NULL
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key_len NULL
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ref NULL
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rows NULL
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Extra No tables used
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id NULL
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select_type UNION RESULT
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table <union2,3>
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type ALL
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possible_keys NULL
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key NULL
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key_len NULL
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ref NULL
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rows NULL
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Extra
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#
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# Demonstrate that the reported SELECT statement
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# no longer produces warnings.
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#
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select 1 from t1 natural join (select 2 as a, 1 as b union all
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select 2 as a, 2 as b) as t2 for update;
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1
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commit;
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#
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# Demonstrate that due to lack of inter-sweep "reset" function,
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# we keep some non-matching records locked, even though we know
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# we could unlock them.
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# To do that, show that if there is only one distinct value
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# for a in t2 (a=2), we will keep record (2,null) in t1 locked.
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# But if we add another value for "a" to t2, say 6,
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# join_read_key cache will be pruned at least once,
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# and thus record (2, null) in t1 will get unlocked.
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#
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begin;
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select 1 from t1 natural join (select 2 as a, 1 as b union all
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select 2 as a, 2 as b) as t2 for update;
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1
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#
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# Switching to connection con1
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# We should be able to delete all records from t1 except (2, null),
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# since they were not locked.
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begin;
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# Delete in series of 3 records so that full scan
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# is not used and we're not blocked on record (2,null)
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delete from t1 where a in (1,3,4);
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delete from t1 where a in (5,6,7);
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delete from t1 where a in (8,9,10);
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delete from t1 where a in (11,12,13);
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delete from t1 where a in (14,15,16);
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delete from t1 where a in (17,18);
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delete from t1 where a in (19,20);
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#
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# Record (2, null) is locked. This is actually unnecessary,
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# because the previous select returned no rows.
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# Just demonstrate the effect.
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#
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delete from t1;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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rollback;
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#
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# Switching to connection default
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#
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# Show that the original contents of t1 is intact:
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select * from t1;
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a b
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1 1
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2 NULL
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3 1
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4 1
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5 1
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6 1
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7 1
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8 1
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9 1
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10 1
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11 1
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12 1
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13 1
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14 1
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15 1
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16 1
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17 1
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18 1
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19 1
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20 1
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commit;
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#
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# Have a one more record in t2 to show that
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# if join_read_key cache is purned, the current
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# row under the cursor is unlocked (provided, this row didn't
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# match the partial WHERE clause, of course).
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# Sic: the result of this test dependent on the order of retrieval
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# of records --echo # from the derived table, if !
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# We use DELETE to disable the JOIN CACHE. This DELETE modifies no
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# records. It also should leave no InnoDB row locks.
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#
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begin;
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delete t1.* from t1 natural join (select 2 as a, 2 as b union all
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select 0 as a, 0 as b) as t2;
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# Demonstrate that nothing was deleted form t1
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select * from t1;
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a b
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1 1
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2 NULL
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3 1
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4 1
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5 1
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6 1
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7 1
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8 1
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9 1
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10 1
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11 1
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12 1
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13 1
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14 1
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15 1
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16 1
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17 1
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18 1
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19 1
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20 1
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#
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# Switching to connection con1
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begin;
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# Since there is another distinct record in the derived table
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# the previous matching record in t1 -- (2,null) -- was unlocked.
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delete from t1;
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# We will need the contents of the table again.
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rollback;
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select * from t1;
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a b
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1 1
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2 NULL
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3 1
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4 1
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5 1
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6 1
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7 1
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8 1
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9 1
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10 1
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11 1
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12 1
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13 1
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14 1
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15 1
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16 1
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17 1
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18 1
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19 1
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20 1
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commit;
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#
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# Switching to connection default
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rollback;
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begin;
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#
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# Before this patch, we could wrongly unlock a record
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# that was cached and later used in a join. Demonstrate that
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# this is no longer the case.
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# Sic: this test is also order-dependent (i.e. the
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# the bug would show up only if the first record in the union
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# is retreived and processed first.
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#
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# Verify that JT_EQ_REF is used.
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explain
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select 1 from t1 natural join (select 3 as a, 2 as b union all
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select 3 as a, 1 as b) as t2 for update;
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id 1
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select_type PRIMARY
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table <derived2>
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type ALL
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possible_keys NULL
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key NULL
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key_len NULL
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ref NULL
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rows 2
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Extra
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id 1
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select_type PRIMARY
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table t1
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type eq_ref
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possible_keys PRIMARY
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key PRIMARY
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key_len 4
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ref t2.a
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rows 1
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Extra Using where
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id 2
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select_type DERIVED
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table NULL
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type NULL
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possible_keys NULL
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key NULL
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key_len NULL
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ref NULL
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rows NULL
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Extra No tables used
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id 3
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select_type UNION
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table NULL
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type NULL
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possible_keys NULL
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key NULL
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key_len NULL
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ref NULL
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rows NULL
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Extra No tables used
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id NULL
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select_type UNION RESULT
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table <union2,3>
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type ALL
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possible_keys NULL
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key NULL
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key_len NULL
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ref NULL
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rows NULL
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Extra
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# Lock the record.
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select 1 from t1 natural join (select 3 as a, 2 as b union all
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select 3 as a, 1 as b) as t2 for update;
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1
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1
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# Switching to connection con1
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#
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# We should not be able to delete record (3,1) from t1,
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# (previously it was possible).
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#
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delete from t1 where a=3;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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# Switching to connection default
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commit;
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set @@session.tx_isolation=default;
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drop table t1;
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#
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# End of 5.1 tests
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#
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24
mysql-test/t/innodb_bug47777.test
Normal file
24
mysql-test/t/innodb_bug47777.test
Normal file
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@ -0,0 +1,24 @@
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# This is the test for bug 47777. GEOMETRY
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# data is treated as BLOB data in innodb.
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# Consequently, its key value generation/storing
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# should follow the process for the BLOB
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# datatype as well.
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--source include/have_innodb.inc
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create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb;
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insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'));
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# Verify correct row get inserted.
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select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)');
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# Update table bug47777 should be successful.
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update bug47777 set c2=GeomFromText('POINT(1 1)');
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# Verify the row get updated successfully. The original
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# c2 value should be changed to GeomFromText('POINT(1 1)').
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select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)');
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select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)');
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drop table bug47777;
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1
mysql-test/t/innodb_lock_wait_timeout_1-master.opt
Normal file
1
mysql-test/t/innodb_lock_wait_timeout_1-master.opt
Normal file
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@ -0,0 +1 @@
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--innodb_lock_wait_timeout=1
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160
mysql-test/t/innodb_lock_wait_timeout_1.test
Normal file
160
mysql-test/t/innodb_lock_wait_timeout_1.test
Normal file
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@ -0,0 +1,160 @@
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--source include/have_innodb.inc
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--echo #
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--echo # Bug#41756 Strange error messages about locks from InnoDB
|
||||
--echo #
|
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--disable_warnings
|
||||
drop table if exists t1;
|
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--enable_warnings
|
||||
--echo # In the default transaction isolation mode, and/or with
|
||||
--echo # innodb_locks_unsafe_for_binlog=OFF, handler::unlock_row()
|
||||
--echo # in InnoDB does nothing.
|
||||
--echo # Thus in order to reproduce the condition that led to the
|
||||
--echo # warning, one needs to relax isolation by either
|
||||
--echo # setting a weaker tx_isolation value, or by turning on
|
||||
--echo # the unsafe replication switch.
|
||||
--echo # For testing purposes, choose to tweak the isolation level,
|
||||
--echo # since it's settable at runtime, unlike
|
||||
--echo # innodb_locks_unsafe_for_binlog, which is
|
||||
--echo # only a command-line switch.
|
||||
--echo #
|
||||
set @@session.tx_isolation="read-committed";
|
||||
|
||||
--echo # Prepare data. We need a table with a unique index,
|
||||
--echo # for join_read_key to be used. The other column
|
||||
--echo # allows to control what passes WHERE clause filter.
|
||||
create table t1 (a int primary key, b int) engine=innodb;
|
||||
--echo # Let's make sure t1 has sufficient amount of rows
|
||||
--echo # to exclude JT_ALL access method when reading it,
|
||||
--echo # i.e. make sure that JT_EQ_REF(a) is always preferred.
|
||||
insert into t1 values (1,1), (2,null), (3,1), (4,1),
|
||||
(5,1), (6,1), (7,1), (8,1), (9,1), (10,1),
|
||||
(11,1), (12,1), (13,1), (14,1), (15,1),
|
||||
(16,1), (17,1), (18,1), (19,1), (20,1);
|
||||
--echo #
|
||||
--echo # Demonstrate that for the SELECT statement
|
||||
--echo # used later in the test JT_EQ_REF access method is used.
|
||||
--echo #
|
||||
--vertical_results
|
||||
explain
|
||||
select 1 from t1 natural join (select 2 as a, 1 as b union all
|
||||
select 2 as a, 2 as b) as t2 for update;
|
||||
--horizontal_results
|
||||
--echo #
|
||||
--echo # Demonstrate that the reported SELECT statement
|
||||
--echo # no longer produces warnings.
|
||||
--echo #
|
||||
select 1 from t1 natural join (select 2 as a, 1 as b union all
|
||||
select 2 as a, 2 as b) as t2 for update;
|
||||
commit;
|
||||
--echo #
|
||||
--echo # Demonstrate that due to lack of inter-sweep "reset" function,
|
||||
--echo # we keep some non-matching records locked, even though we know
|
||||
--echo # we could unlock them.
|
||||
--echo # To do that, show that if there is only one distinct value
|
||||
--echo # for a in t2 (a=2), we will keep record (2,null) in t1 locked.
|
||||
--echo # But if we add another value for "a" to t2, say 6,
|
||||
--echo # join_read_key cache will be pruned at least once,
|
||||
--echo # and thus record (2, null) in t1 will get unlocked.
|
||||
--echo #
|
||||
begin;
|
||||
select 1 from t1 natural join (select 2 as a, 1 as b union all
|
||||
select 2 as a, 2 as b) as t2 for update;
|
||||
connect (con1,localhost,root,,);
|
||||
--echo #
|
||||
--echo # Switching to connection con1
|
||||
connection con1;
|
||||
--echo # We should be able to delete all records from t1 except (2, null),
|
||||
--echo # since they were not locked.
|
||||
begin;
|
||||
--echo # Delete in series of 3 records so that full scan
|
||||
--echo # is not used and we're not blocked on record (2,null)
|
||||
delete from t1 where a in (1,3,4);
|
||||
delete from t1 where a in (5,6,7);
|
||||
delete from t1 where a in (8,9,10);
|
||||
delete from t1 where a in (11,12,13);
|
||||
delete from t1 where a in (14,15,16);
|
||||
delete from t1 where a in (17,18);
|
||||
delete from t1 where a in (19,20);
|
||||
--echo #
|
||||
--echo # Record (2, null) is locked. This is actually unnecessary,
|
||||
--echo # because the previous select returned no rows.
|
||||
--echo # Just demonstrate the effect.
|
||||
--echo #
|
||||
--error ER_LOCK_WAIT_TIMEOUT
|
||||
delete from t1;
|
||||
rollback;
|
||||
--echo #
|
||||
--echo # Switching to connection default
|
||||
connection default;
|
||||
--echo #
|
||||
--echo # Show that the original contents of t1 is intact:
|
||||
select * from t1;
|
||||
commit;
|
||||
--echo #
|
||||
--echo # Have a one more record in t2 to show that
|
||||
--echo # if join_read_key cache is purned, the current
|
||||
--echo # row under the cursor is unlocked (provided, this row didn't
|
||||
--echo # match the partial WHERE clause, of course).
|
||||
--echo # Sic: the result of this test dependent on the order of retrieval
|
||||
--echo # of records --echo # from the derived table, if !
|
||||
--echo # We use DELETE to disable the JOIN CACHE. This DELETE modifies no
|
||||
--echo # records. It also should leave no InnoDB row locks.
|
||||
--echo #
|
||||
begin;
|
||||
delete t1.* from t1 natural join (select 2 as a, 2 as b union all
|
||||
select 0 as a, 0 as b) as t2;
|
||||
--echo # Demonstrate that nothing was deleted form t1
|
||||
select * from t1;
|
||||
--echo #
|
||||
--echo # Switching to connection con1
|
||||
connection con1;
|
||||
begin;
|
||||
--echo # Since there is another distinct record in the derived table
|
||||
--echo # the previous matching record in t1 -- (2,null) -- was unlocked.
|
||||
delete from t1;
|
||||
--echo # We will need the contents of the table again.
|
||||
rollback;
|
||||
select * from t1;
|
||||
commit;
|
||||
--echo #
|
||||
--echo # Switching to connection default
|
||||
connection default;
|
||||
rollback;
|
||||
begin;
|
||||
--echo #
|
||||
--echo # Before this patch, we could wrongly unlock a record
|
||||
--echo # that was cached and later used in a join. Demonstrate that
|
||||
--echo # this is no longer the case.
|
||||
--echo # Sic: this test is also order-dependent (i.e. the
|
||||
--echo # the bug would show up only if the first record in the union
|
||||
--echo # is retreived and processed first.
|
||||
--echo #
|
||||
--echo # Verify that JT_EQ_REF is used.
|
||||
--vertical_results
|
||||
explain
|
||||
select 1 from t1 natural join (select 3 as a, 2 as b union all
|
||||
select 3 as a, 1 as b) as t2 for update;
|
||||
--horizontal_results
|
||||
--echo # Lock the record.
|
||||
select 1 from t1 natural join (select 3 as a, 2 as b union all
|
||||
select 3 as a, 1 as b) as t2 for update;
|
||||
--echo # Switching to connection con1
|
||||
connection con1;
|
||||
--echo #
|
||||
--echo # We should not be able to delete record (3,1) from t1,
|
||||
--echo # (previously it was possible).
|
||||
--echo #
|
||||
--error ER_LOCK_WAIT_TIMEOUT
|
||||
delete from t1 where a=3;
|
||||
--echo # Switching to connection default
|
||||
connection default;
|
||||
commit;
|
||||
|
||||
disconnect con1;
|
||||
set @@session.tx_isolation=default;
|
||||
drop table t1;
|
||||
|
||||
--echo #
|
||||
--echo # End of 5.1 tests
|
||||
--echo #
|
||||
Loading…
Reference in a new issue