mirror of
https://github.com/MariaDB/server.git
synced 2025-06-16 11:21:15 +03:00
Merge olga.mysql.com:/home/igor/mysql-5.0-opt
into olga.mysql.com:/home/igor/mysql-5.1-opt BitKeeper/etc/gone: auto-union mysql-test/r/insert_select.result: Auto merged mysql-test/r/join_outer.result: Auto merged mysql-test/r/select.result: Auto merged mysql-test/r/view.result: Auto merged mysql-test/t/insert_select.test: Auto merged mysql-test/t/join_outer.test: Auto merged mysql-test/t/select.test: Auto merged mysys/my_getopt.c: Auto merged sql/field.h: Auto merged sql/field_conv.cc: Auto merged sql/item.cc: Auto merged sql/item_cmpfunc.cc: Auto merged sql/item_cmpfunc.h: Auto merged sql/item_func.cc: Auto merged sql/sql_lex.cc: Auto merged sql/sql_prepare.cc: Auto merged sql/sql_select.cc: Auto merged sql/sql_show.cc: Auto merged sql/sql_view.cc: Auto merged sql/table.cc: Auto merged sql/table.h: Auto merged mysql-test/include/mix1.inc: Manual merge mysql-test/r/information_schema.result: Manual merge mysql-test/r/innodb_mysql.result: Manual merge mysql-test/t/information_schema.test: Manual merge mysql-test/t/view.test: Manual merge mysys/my_pthread.c: Manual merge sql/mysql_priv.h: Manual merge sql/opt_range.cc: Manual merge sql/sql_insert.cc: Manual merge sql/sql_update.cc: Manual merge
This commit is contained in:
@ -324,6 +324,70 @@ EXPLAIN SELECT SQL_BIG_RESULT b, SUM(c) FROM t1 GROUP BY b;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 128 Using filesort
|
||||
DROP TABLE t1;
|
||||
CREATE TABLE t1 (
|
||||
id int NOT NULL,
|
||||
name varchar(20) NOT NULL,
|
||||
dept varchar(20) NOT NULL,
|
||||
age tinyint(3) unsigned NOT NULL,
|
||||
PRIMARY KEY (id),
|
||||
INDEX (name,dept)
|
||||
) ENGINE=InnoDB;
|
||||
INSERT INTO t1(id, dept, age, name) VALUES
|
||||
(3987, 'cs1', 10, 'rs1'), (3988, 'cs2', 20, 'rs1'), (3995, 'cs3', 10, 'rs2'),
|
||||
(3996, 'cs4', 20, 'rs2'), (4003, 'cs5', 10, 'rs3'), (4004, 'cs6', 20, 'rs3'),
|
||||
(4011, 'cs7', 10, 'rs4'), (4012, 'cs8', 20, 'rs4'), (4019, 'cs9', 10, 'rs5'),
|
||||
(4020, 'cs10', 20, 'rs5'),(4027, 'cs11', 10, 'rs6'),(4028, 'cs12', 20, 'rs6');
|
||||
EXPLAIN SELECT DISTINCT t1.name, t1.dept FROM t1 WHERE t1.name='rs5';
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 range name name 44 NULL 2 Using where; Using index for group-by
|
||||
SELECT DISTINCT t1.name, t1.dept FROM t1 WHERE t1.name='rs5';
|
||||
name dept
|
||||
rs5 cs10
|
||||
rs5 cs9
|
||||
DELETE FROM t1;
|
||||
EXPLAIN SELECT DISTINCT t1.name, t1.dept FROM t1 WHERE t1.name='rs5';
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 range name name 44 NULL 2 Using where; Using index for group-by
|
||||
SELECT DISTINCT t1.name, t1.dept FROM t1 WHERE t1.name='rs5';
|
||||
name dept
|
||||
DROP TABLE t1;
|
||||
show variables like 'innodb_rollback_on_timeout';
|
||||
Variable_name Value
|
||||
innodb_rollback_on_timeout OFF
|
||||
create table t1 (a int unsigned not null primary key) engine = innodb;
|
||||
insert into t1 values (1);
|
||||
commit;
|
||||
begin work;
|
||||
insert into t1 values (2);
|
||||
select * from t1;
|
||||
a
|
||||
1
|
||||
2
|
||||
begin work;
|
||||
insert into t1 values (5);
|
||||
select * from t1;
|
||||
a
|
||||
1
|
||||
5
|
||||
insert into t1 values (2);
|
||||
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
|
||||
select * from t1;
|
||||
a
|
||||
1
|
||||
5
|
||||
commit;
|
||||
select * from t1;
|
||||
a
|
||||
1
|
||||
2
|
||||
commit;
|
||||
select * from t1;
|
||||
a
|
||||
1
|
||||
2
|
||||
5
|
||||
drop table t1;
|
||||
End of 5.0 tests
|
||||
CREATE TABLE t1 (a int, b int);
|
||||
insert into t1 values (1,1),(1,2);
|
||||
CREATE TABLE t2 (primary key (a)) select * from t1;
|
||||
|
Reference in New Issue
Block a user